Baltimore, MD Zoning
Districts & Requirements
Every zoning district in Baltimore with permitted uses, setbacks, height limits, and density requirements — in plain English. Baltimore adopted TransForm Baltimore in June 2017, replacing the 1971 zoning code. The new code uses a progressive district numbering system — R-1 is the lowest-density residential, R-10 the highest. Commercial runs C-1 through C-5, with C-5 divided into seven downtown subdistricts. The code also introduced special-purpose districts (TOD, OR, IMU) and preserved the urban renewal overlay system that covers large parts of the city.
20
Zoning districts
5
Overlay districts
576,000
Population
2017
Code adopted
Quick Reference
Find your district, see what you can do. Click any row for details.
| District | At a glance | Height | Coverage |
|---|---|---|---|
| R-1 | Large-lot single-family only. 7,300 SF minimum, 50-ft wide. North Baltimore neighborhoods. | 35 ft | 40% |
| R-2 | Single-family detached and semi-detached. 5,000 SF lots, 30-ft wide. Duplexes on corner lots. | 35 ft | 40% |
| R-4 | Smallest detached lots. 3,000 SF minimum, 30-ft wide. Semi-detached allowed. Urban infill scale. | 35 ft | 45% |
| R-5 | Classic Baltimore rowhouse district. 2,500 SF lots. Single-family attached only — no apartments. | 35 ft | 50% |
| R-6 | Rowhouses plus small apartments. 1,500 SF per unit for multifamily. Conversion-friendly. | 35 ft (45 ft on corner lots) | 45% |
| R-7 | Medium-density multifamily. 800 SF per unit. 35-45 ft height. Apartment-scale buildings. | 35 ft (45 ft on wide-street corners) | 50% |
| R-8 | High-density rowhouse and multifamily. Up to 80% coverage, no front setback required. Urban core. | 35 ft (45 ft on corner lots) | 80% |
| R-9 | High-rise residential. 300 SF per unit, 45-ft+ height with conditional use. Tower-in-park form. | 45 ft (higher with conditional use) | 40% |
| R-10 | Highest-density residential. 200 SF per unit, 80% coverage, no front setback. Downtown-adjacent. | 45 ft (higher with conditional use) | 80% |
| C-1 | Corner-store commercial. 40 ft height, residential above allowed. Neighborhood-scale retail. | 40 ft (68 ft mixed-use) | 80% |
| C-2 | Corridor commercial. 60 ft standard, 100 ft with conditional use for mixed-use. Auto access allowed. | 60 ft (100 ft conditional mixed-use) | 80% |
| C-3 | Big-box and auto-oriented commercial. 60 ft base, 100 ft conditional. Drive-throughs permitted. | 60 ft (100 ft conditional mixed-use) | 80% |
| C-4 | Warehousing, outdoor storage, heavy commercial. Same bulk as C-3 but broader industrial uses. | 60 ft (100 ft conditional mixed-use) | 80% |
| C-5-DC | No height limit, no setbacks, no coverage cap. Baltimore's most valuable entitlement. CBD core. | No limit | 100% |
| C-5-IH | Inner Harbor waterfront. No stated height limit. Pedestrian-oriented, waterfront mixed-use. | No stated limit | 100% |
| TOD-3 | 100 ft height, no coverage cap, no setbacks. High-density mixed-use near transit stations. | 100 ft | 100% |
| OR-2 | 100 ft height, 200 SF per unit. Office and high-density residential. Mount Vernon, Charles Village. | 100 ft | 80% |
| IMU-1 | Adaptive reuse district. 60 ft, residential + light industrial. Old warehouses near neighborhoods. | 60 ft | 80% |
| I-1 | Light manufacturing, warehouse, flex. 60 ft, 10,000 SF minimum lot. No residential. | 60 ft | 80% |
| I-2 | Heavy industrial. No height limit near other industrial. 20,000 SF minimum. Port-adjacent. | No limit (60 ft within 50 ft of residential/commercial) | 80% |
Residential — Detached
3 districts in Baltimore
R-1
Detached ResidentialBaltimore's lowest-density residential district. Detached single-family homes on large lots — found in neighborhoods like Roland Park, Guilford, and Homeland. No path to density without rezoning.
What you can build
- ✓Detached single-family dwelling
- ✓Accessory dwelling unit
- ✓Home occupation
- ✗Semi-detached or attached dwellings
- ✗Multifamily of any kind
- ✗Commercial or retail
Key numbers
- Height
- 35 ft
- Lot min
- 7,300 SF
- Width
- 50 ft
- Coverage
- 40%
- Front
- 30 ft
- Side
- 5 ft
- Rear
- 30 ft
What this means in practice
40% coverage on 7,300 SF = 2,920 SF footprint. Two stories gets you ~5,500 SF of living space. R-1 land in Roland Park or Guilford trades at a premium for the neighborhood, not the entitlement. If you're buying R-1 for development, you're building one custom home — the math doesn't support anything else without rezoning.
R-2
Detached & Semi-Detached ResidentialAllows detached and semi-detached (side-by-side duplex) dwellings. The semi-detached option is the key difference from R-1 — it lets you put two units on a wider lot with a shared wall.
What you can build
- ✓Detached single-family dwelling
- ✓Semi-detached dwelling (duplex)
- ✓Accessory dwelling unit
- ✓Home occupation
- ✗Rowhouses or townhouses
- ✗Multifamily apartments
- ✗Commercial or retail
Key numbers
- Height
- 35 ft
- Lot min
- 5,000 SF
- Width
- 30 ft
- Coverage
- 40%
- Front
- 30 ft
- Side
- 5 ft
- Rear
- 30 ft
What this means in practice
The semi-detached option is the play. On a 60-ft-wide lot, you can build two side-by-side units sharing a party wall — each on its own 30-ft-wide lot. At 40% coverage per unit, that's 1,200 SF footprint each, or ~2,200 SF per unit over two stories. Compare land cost per unit against R-5+ rowhouse sites.
R-4
Detached & Semi-Detached ResidentialThe densest detached/semi-detached district. 3,000 SF lots at 45% coverage — urban-scale single-family and duplexes. Found in older neighborhoods transitioning between rowhouse and detached patterns.
What you can build
- ✓Detached single-family dwelling
- ✓Semi-detached dwelling
- ✓Accessory dwelling unit
- ✓Home occupation
- ✗Rowhouses or townhouses
- ✗Multifamily apartments
- ✗Commercial or retail
Key numbers
- Height
- 35 ft
- Lot min
- 3,000 SF
- Width
- 30 ft
- Coverage
- 45%
- Front
- 25 ft
- Side
- 5 ft
- Rear
- 25 ft
What this means in practice
45% coverage on 3,000 SF = 1,350 SF footprint. Two stories yields ~2,500 SF total. For semi-detached on a 60-ft lot, you get two ~2,500 SF units. Tight but workable for infill. R-4 lots adjacent to R-5 or R-6 rowhouse districts may be rezoning candidates — adding rowhouse entitlement significantly increases yield.
Residential — Rowhouse
2 districts in Baltimore
R-5
Rowhouse ResidentialBaltimore's traditional rowhouse district. Single-family attached dwellings on 2,500 SF lots. This is the zoning behind most of Baltimore's iconic rowhouse neighborhoods — Federal Hill, Canton, Patterson Park.
What you can build
- ✓Single-family rowhouse
- ✓Accessory dwelling unit
- ✓Home occupation
- ✗Multifamily apartments
- ✗Duplexes or conversions to multiple units
- ✗Commercial or retail
Key numbers
- Height
- 35 ft
- Lot min
- 2,500 SF
- Width
- 16 ft
- Coverage
- 50%
- Front
- 25 ft (or blockface average)
- Side
- None (attached party wall)
- Rear
- 25 ft
What this means in practice
A standard Baltimore rowhouse lot is 14-16 ft wide and 60-80 ft deep. At 50% coverage on a typical 16x70 lot (1,120 SF), you get a 560 SF footprint — tight. The practical constraint is lot width, not coverage. Most R-5 development is gut rehab of existing rowhouses, not new construction. New-build rowhouse projects happen on assembled lots where you control the full block.
R-6
Rowhouse & Multi-Family ResidentialWhere Baltimore first allows multifamily. Rowhouses plus small apartment buildings. 1,500 SF per dwelling unit for multifamily means a 6,000 SF lot supports 4 units. Key district for rowhouse-to-apartment conversions.
What you can build
- ✓Single-family rowhouse
- ✓Multifamily dwelling (1,500 SF/unit)
- ✓Rowhouse conversion to apartments
- ✓Home occupation
- ✗Commercial or retail (without overlay)
- ✗Industrial
Key numbers
- Height
- 35 ft (45 ft on corner lots)
- Lot min
- 1,500 SF per dwelling unit
- Width
- 16 ft
- Coverage
- 45%
- Front
- 25 ft (or blockface average)
- Side
- None (rowhouse); 5 ft (detached)
- Rear
- 25 ft
What this means in practice
The conversion math: a 16x70 rowhouse (1,120 SF footprint, ~3,000 SF over 3 floors) can become 2 units at 1,500 SF each. Assemble two adjacent rowhouses and you have a 4-unit building. R-6 is the sweet spot for small-scale investors doing rowhouse conversions — the 1,500 SF/unit density is generous enough to pencil on Baltimore land costs.
Residential — Multi-Family
4 districts in Baltimore
R-7
Multi-Family ResidentialMedium-density apartment district. 800 SF per dwelling unit pushes density significantly — a 10,000 SF lot supports 12 units. Found along corridors and in neighborhoods transitioning to higher density.
What you can build
- ✓Multifamily dwelling (800 SF/unit)
- ✓Rowhouses
- ✓Senior housing
- ✓Group homes
- ✗Commercial or retail (without overlay)
- ✗Industrial
Key numbers
- Height
- 35 ft (45 ft on wide-street corners)
- Lot min
- 800 SF per dwelling unit
- Width
- 16 ft
- Coverage
- 50%
- Front
- 20 ft (or blockface average)
- Side
- None (rowhouse); 5 ft (detached)
- Rear
- 25 ft
What this means in practice
At 800 SF/unit, a quarter-acre lot (10,890 SF) supports 13 units. At 50% coverage and 3 stories (within the 45-ft corner-lot allowance), you get ~16,000 SF gross — roughly 13 units averaging 1,000 SF each after corridors. This is where small apartment projects start to pencil in Baltimore. The gap between R-6 (1,500 SF/unit) and R-7 (800 SF/unit) is enormous — nearly double the density.
R-8
Multi-Family ResidentialHigh-density residential for Baltimore's urban core. 500 SF per dwelling unit, up to 80% lot coverage, and no front setback requirement. Found in downtown-adjacent neighborhoods and along major corridors.
What you can build
- ✓Multifamily dwelling (500 SF/unit)
- ✓Rowhouses
- ✓Senior housing
- ✓Live/work units
- ✗Standalone commercial
- ✗Industrial
Key numbers
- Height
- 35 ft (45 ft on corner lots)
- Lot min
- 500 SF per dwelling unit
- Width
- 14 ft
- Coverage
- 80%
- Front
- None required
- Side
- None (rowhouse); 5 ft (detached)
- Rear
- 10 ft
What this means in practice
R-8 is where Baltimore gets dense without going tall. At 80% coverage and 500 SF/unit, a 10,000 SF lot yields 20 units in a 3-story building — that's 24,000 SF gross with zero front setback. The no-front-setback rule means you build to the sidewalk, Baltimore-style. Parking is the constraint — structured parking at this density adds $25K-40K per space. Target sites near transit to reduce parking demand.
R-9
Multi-Family High-RiseBaltimore's high-rise residential district. Low coverage (40%) but tall buildings — the tower-in-park model. Found in Charles Village, Mount Vernon, and along the waterfront. 300 SF per dwelling unit allows extreme density on larger sites.
What you can build
- ✓High-rise apartment buildings
- ✓Multifamily dwelling (300 SF/unit)
- ✓Senior housing towers
- ✓Group homes
- ✗Commercial or retail (without overlay)
- ✗Industrial
- ✗Rowhouses (wrong building type)
Key numbers
- Height
- 45 ft (higher with conditional use)
- Lot min
- 300 SF per dwelling unit
- Width
- 50 ft
- Coverage
- 40%
- Front
- 45 ft (increases with building height)
- Side
- 10 ft minimum
- Rear
- 20 ft
What this means in practice
R-9 trades coverage for height. At 40% coverage on a 1-acre lot, your footprint is 17,400 SF. A 10-story tower (conditional use required above 45 ft) yields ~174,000 SF gross — at 300 SF/unit that's theoretically 145 units, though real unit sizes average 700-900 SF. The 45-ft front setback creates the setback-tower-and-lawn aesthetic common in Baltimore's mid-century apartment buildings. New R-9 projects need structured or underground parking.
R-10
Multi-Family High-DensityBaltimore's most intense residential district. 200 SF per dwelling unit, 80% lot coverage, and no required front setback. This is R-8's density with R-9's height potential. Found in downtown and waterfront locations.
What you can build
- ✓High-density apartment buildings
- ✓Multifamily dwelling (200 SF/unit)
- ✓Senior housing
- ✓Live/work units
- ✗Standalone commercial
- ✗Industrial
Key numbers
- Height
- 45 ft (higher with conditional use)
- Lot min
- 200 SF per dwelling unit
- Width
- 14 ft
- Coverage
- 80%
- Front
- None (or blockface average)
- Side
- None (rowhouse); 5 ft (detached)
- Rear
- 10 ft
What this means in practice
R-10 is the maximum residential entitlement in Baltimore. On a 1-acre site at 80% coverage: a 10-story building yields ~350,000 SF gross. At 200 SF/unit you could theoretically fit 217 units per acre, but realistic unit sizes (650-850 SF) plus corridors and common area bring you to 120-150 units per acre. This is institutional-scale development — expect structured parking, elevator cores, and Type I construction. Compare with C-5 for mixed-use flexibility.
Commercial
4 districts in Baltimore
C-1
Neighborhood BusinessBaltimore's neighborhood commercial district — the corner store, the local restaurant, the dry cleaner. Ground-floor retail with apartments above. Height capped at 40 ft (68 ft for mixed-use buildings). Found at intersections throughout residential neighborhoods.
What you can build
- ✓Retail and restaurants
- ✓Office
- ✓Apartments above commercial (68 ft for mixed-use)
- ✓Personal services
- ✓Live/work units
- ✗Drive-throughs
- ✗Auto-oriented uses (gas stations, car washes)
- ✗Industrial
- ✗Large-format retail
Key numbers
- Height
- 40 ft (68 ft mixed-use)
- Lot min
- None (120-550 SF/dwelling unit)
- Width
- None
- Coverage
- 80%
- Front
- None (5 ft max if provided)
- Side
- None (10 ft min if provided)
- Rear
- None (if alley); 20 ft (if residential abuts)
What this means in practice
The 68-ft mixed-use height is the story here — that's 5-6 stories of apartments over ground-floor retail. On a typical C-1 corner (5,000-10,000 SF), build to the lot line with 80% coverage: a 5-story mixed-use on 8,000 SF yields ~32,000 SF gross. Budget for commercial-grade ground floor ($20-35/SF premium). C-1 sites at busy intersections in Canton, Hampden, or Fells Point command retail rents of $25-40/SF NNN.
C-2
Community CommercialMedium-scale commercial along Baltimore's urban corridors — North Avenue, Eastern Avenue, Belair Road. Pedestrian and auto-oriented uses both allowed. Conditional use can push mixed-use buildings to 100 ft.
What you can build
- ✓Retail, restaurants, and entertainment
- ✓Office buildings
- ✓Mixed-use with residential above
- ✓Auto-oriented commercial (with conditions)
- ✓Hotels
- ✗Heavy industrial
- ✗Large-scale manufacturing
Key numbers
- Height
- 60 ft (100 ft conditional mixed-use)
- Lot min
- None (120-550 SF/dwelling unit)
- Width
- None
- Coverage
- 80%
- Front
- None (5 ft max if provided)
- Side
- None (10 ft min if provided)
- Rear
- None (if alley); 20 ft (if residential abuts)
What this means in practice
The 100-ft conditional use height for mixed-use is the development play. That's 8-10 stories on a corridor site. A half-acre C-2 site at 80% coverage and 8 stories = ~140,000 SF gross — 10,000 SF retail, 100+ apartments. Many of Baltimore's underperforming commercial corridors (North Avenue, Greenmount) are C-2, and land is cheap relative to downtown. The conditional use approval adds 2-4 months to your timeline.
C-3
General CommercialBaltimore's general commercial district for auto-oriented uses — big-box retail, car dealerships, drive-throughs, gas stations. Also allows mixed-use at higher densities with conditional approval.
What you can build
- ✓Big-box retail
- ✓Drive-throughs and fast food
- ✓Auto dealers and gas stations
- ✓Mixed-use with residential above
- ✓Hotels and entertainment
- ✗Heavy industrial
- ✗Manufacturing
Key numbers
- Height
- 60 ft (100 ft conditional mixed-use)
- Lot min
- None
- Width
- None
- Coverage
- 80%
- Front
- None (5 ft max if provided)
- Side
- None (10 ft min if provided)
- Rear
- None (if alley); 20 ft (if residential abuts)
What this means in practice
C-3 sites along commercial strips are often underbuilt — a gas station or single-story retail on a half-acre lot zoned for 100-ft mixed-use. The rezoning-free density potential makes C-3 sites attractive for multifamily developers. If you're looking at a C-3 parcel on a transit line, the by-right entitlement alone may justify the purchase. Just be aware that adjacent auto-oriented uses can affect your residential leasing.
C-4
Heavy CommercialHeavy commercial — warehousing, distribution, outdoor storage, and contractor yards. Same bulk regulations as C-3 but with a wider range of industrial-adjacent uses. Found in transitional areas between commercial corridors and industrial zones.
What you can build
- ✓Warehousing and distribution
- ✓Outdoor storage
- ✓Heavy commercial and contractor yards
- ✓Retail and office
- ✓Mixed-use with conditional approval
- ✗Heavy manufacturing
- ✗Hazardous materials processing
Key numbers
- Height
- 60 ft (100 ft conditional mixed-use)
- Lot min
- None
- Width
- None
- Coverage
- 80%
- Front
- None (5 ft max if provided)
- Side
- None (10 ft min if provided)
- Rear
- None (if alley); 20 ft (if residential abuts)
What this means in practice
C-4 sites in transitioning neighborhoods (Remington, Woodberry, Pigtown) are the rezoning play. Current use might be a warehouse or scrapyard, but the conditional use path to 100-ft mixed-use is available without rezoning. Land in C-4 trades at a discount to C-2 because of adjacent uses — if the neighborhood is improving, that discount is your upside.
Commercial — Downtown
2 districts in Baltimore
C-5-DC
Downtown CoreThe most intensely developed district in Baltimore. No height limit, no setback requirements, no lot coverage maximum. Covers the central business district core — Charles Street, Pratt Street, and the blocks between the Inner Harbor and Penn Station.
What you can build
- ✓High-rise office towers
- ✓Luxury apartment buildings
- ✓Hotels
- ✓Mixed-use at any scale
- ✓Entertainment and cultural venues
- ✗Industrial or manufacturing
- ✗Auto-oriented uses
- ✗Outdoor storage
Key numbers
- Height
- No limit
- Lot min
- None
- Width
- None
- Coverage
- 100%
- Front
- None
- Side
- None
- Rear
- None
What this means in practice
C-5-DC is Baltimore's blank check — build as tall and dense as the market supports. The 36-ft minimum building height ensures urban character. The practical constraints are market, not zoning: downtown office vacancy is high (20%+), so most new C-5-DC projects are residential or mixed-use. A quarter-acre site with no height cap can support 200+ apartments. Land in the CBD is cheaper than comparable DC entitlements — that arbitrage drives Baltimore's downtown residential conversion pipeline.
C-5-IH
Inner HarborCovers structures adjacent to and facing the Inner Harbor. Designed for waterfront-oriented, pedestrian-focused mixed-use development. The most visible real estate in Baltimore — Harborplace, the World Trade Center, and surrounding blocks.
What you can build
- ✓Waterfront mixed-use
- ✓Hotels and hospitality
- ✓Restaurants and entertainment
- ✓Residential towers
- ✓Office
- ✗Industrial
- ✗Auto-oriented uses
- ✗Uses inconsistent with waterfront character
Key numbers
- Height
- No stated limit
- Lot min
- None
- Width
- None
- Coverage
- 100%
- Front
- None
- Side
- None
- Rear
- None
What this means in practice
Inner Harbor sites are the trophy play — highest visibility in the city, unlimited entitlement, waterfront premium. The Harborplace redevelopment (approved 2024) is the test case for what the market will support: mixed-use with residential, retail, and public space. C-5-IH land is scarce and expensive, but the city is motivated to support waterfront activation. Expect design review scrutiny on anything facing the water.
Transit-Oriented Development
1 district in Baltimore
TOD-3
Transit-Oriented Development 3High-intensity transit-oriented development within a quarter-mile of rail stations. 100 ft height, no lot coverage limit, no required setbacks. Designed to concentrate density where transit capacity exists — near light rail and Metro stations.
What you can build
- ✓High-density apartments
- ✓Mixed-use (residential + commercial)
- ✓Office buildings
- ✓Hotels
- ✓Retail and restaurants
- ✗Auto-oriented uses (drive-throughs, gas stations)
- ✗Industrial
- ✗Low-density single-family
Key numbers
- Height
- 100 ft
- Lot min
- None
- Width
- None
- Coverage
- 100%
- Front
- None (5 ft max if provided)
- Side
- None
- Rear
- None
What this means in practice
TOD-3 is Baltimore's answer to transit-adjacent density. At 100 ft and 100% coverage on a half-acre site, you can build ~435,000 SF gross — roughly 300 apartments over ground-floor retail. The 24-ft / 2-story minimum building height prevents single-story suburban-style development near stations. Target sites near Penn Station, State Center, or Lexington Market Metro. Reduced parking requirements in TOD districts significantly improve your pro forma.
Office-Residential
1 district in Baltimore
OR-2
Office-Residential 2High-density office and residential district. 100 ft height, 200 SF per dwelling unit. Found in Mount Vernon, Charles Village, and along North Charles Street — areas with large historic buildings and institutional adjacency.
What you can build
- ✓Office buildings
- ✓High-density apartments (200 SF/unit)
- ✓Hotels
- ✓Mixed-use (office + residential)
- ✓Institutional uses
- ✗Retail (limited, conditional use only)
- ✗Industrial
- ✗Auto-oriented uses
Key numbers
- Height
- 100 ft
- Lot min
- 200 SF per dwelling unit
- Width
- None
- Coverage
- 80%
- Front
- None
- Side
- None (10 ft min if provided)
- Rear
- 10 ft
What this means in practice
OR-2 gives you R-10 density (200 SF/unit) plus office entitlement at 100 ft. On a half-acre Mount Vernon site: 80% coverage x 8 stories = ~140,000 SF gross. The limited retail is the catch — if your ground floor needs a coffee shop or restaurant, you need conditional use approval. OR-2 is ideal for residential conversion of former office buildings, which Baltimore has in abundance along the North Charles corridor.
Industrial Mixed-Use
1 district in Baltimore
IMU-1
Industrial Mixed-Use 1Baltimore's adaptive reuse district — designed for converting old industrial buildings near residential neighborhoods into a mix of light industrial, residential, and commercial uses. At least 60% of ground-floor area must be non-residential.
What you can build
- ✓Live/work dwellings
- ✓Apartments (300 SF/unit)
- ✓Light manufacturing and maker spaces
- ✓Office, retail, and restaurants
- ✓Breweries and distilleries
- ✗Heavy manufacturing
- ✗Outdoor storage (limited)
- ✗All-residential projects (60% ground floor must be non-residential)
Key numbers
- Height
- 60 ft
- Lot min
- 300 SF per dwelling unit
- Width
- None
- Coverage
- 80%
- Front
- None
- Side
- None (10 ft min if provided)
- Rear
- None
What this means in practice
IMU-1 is the creative-economy district — Remington, Hampden, Woodberry, and parts of Station North are full of IMU-1 sites. The 60% non-residential ground floor requirement is the key constraint: plan for maker spaces, breweries, co-working, or light manufacturing on the ground floor with apartments above. A 20,000 SF warehouse conversion at 300 SF/unit could yield 40+ apartments on upper floors. The non-residential requirement actually helps leasing — mixed-use buildings in these neighborhoods command rent premiums.
Industrial
2 districts in Baltimore
I-1
Light IndustrialLight industrial for fabrication, assembly, and warehousing with minimal external impact. Found in the industrial ring south and east of downtown — Locust Point, Canton Industrial, and the I-95 corridor.
What you can build
- ✓Light manufacturing and assembly
- ✓Warehousing and distribution
- ✓Office and flex space
- ✓Data centers
- ✗Residential of any kind
- ✗Retail (limited conditional use)
- ✗Heavy manufacturing with significant environmental impact
Key numbers
- Height
- 60 ft
- Lot min
- 10,000 SF
- Width
- None
- Coverage
- 80%
- Front
- 10 ft
- Side
- None (10 ft if abutting residential)
- Rear
- None (15 ft if abutting residential)
What this means in practice
I-1 sites near improving neighborhoods are the long-term rezoning play. Canton Industrial area I-1 parcels have been converting to residential through planned unit developments and rezonings for two decades. Current I-1 warehouse values run $40-80/SF; post-rezoning residential land values can hit $150-250/SF. If you're buying I-1, price in the rezoning timeline (12-18 months) and community engagement costs.
I-2
General IndustrialBaltimore's heaviest industrial district. Manufacturing, processing, and port-related uses. No height limit unless within 50 ft of residential or commercial zones. Found along the port, in Fairfield, and in the industrial southeast.
What you can build
- ✓Heavy manufacturing and processing
- ✓Large-scale warehousing
- ✓Port and maritime uses
- ✓Utility installations
- ✓Salvage and recycling operations
- ✗Residential
- ✗Retail or restaurants
- ✗Hotels
Key numbers
- Height
- No limit (60 ft within 50 ft of residential/commercial)
- Lot min
- 20,000 SF
- Width
- None
- Coverage
- 80%
- Front
- 10 ft
- Side
- None (20 ft if abutting residential)
- Rear
- None (30 ft if abutting residential)
What this means in practice
I-2 is for operating industrial businesses, not development speculation. The 20-ft side and 30-ft rear setbacks when abutting residential are substantial buffers. Port-adjacent I-2 land has held value through Baltimore's economic cycles because of the maritime logistics demand. If you're looking at I-2 for non-industrial use, budget for a full rezoning — there's no conditional use path to residential.
Development Bonus Program
Baltimore's primary development incentives are financial rather than zoning-based. The Enterprise Zone covers much of the city and provides a 10-year property tax credit (80% in year 1, declining 10% annually). PILOT (Payment In Lieu Of Taxes) agreements can reduce property taxes by up to 75% for a negotiated term. TIF (Tax Increment Financing) districts capture increased tax revenue to fund infrastructure. The city's first Affordable Housing TIF (2024) provides up to $150 million for neighborhood redevelopment. The 20/20 Vision tax credit offers 10-year property tax abatement for new construction and substantial rehab in targeted areas. These incentives stack — an Enterprise Zone project with a PILOT in a TIF district can dramatically change pro forma feasibility.
Overlay Districts
CHAP Historic Districts
The Commission for Historical and Architectural Preservation (CHAP) designates local historic districts across Baltimore. Exterior alterations visible from public rights-of-way require a permit from CHAP. Demolition requires CHAP review. There are 50+ CHAP districts covering neighborhoods from Mount Vernon to Fell's Point to Roland Park. Budget 1-3 months for CHAP review on any exterior work. Interior renovations are not regulated.
Urban Renewal Overlay
Baltimore has 100+ active Urban Renewal Plans, each functioning as an overlay with additional land use restrictions and design guidelines for a specific geography. URPs can restrict uses beyond base zoning, require design review, or mandate affordable housing. Always check whether a parcel is within an active URP — it may limit your development options even if the base zoning is permissive. URP requirements must be met in addition to zoning code requirements.
Floodplain Overlay
Baltimore City's floodplain regulations supersede both state and federal requirements. Properties in the floodplain require review by the Department of Planning's floodplain managers. Affects buildable area, foundation design, insurance costs, and financing. Inner Harbor, Jones Falls, and Gwynns Falls corridors are primary flood risk areas. Check FEMA FIRM maps before making an offer on any waterfront or low-lying parcel.
Designated Landmark
Individual structures or sites designated as Baltimore City Landmarks by CHAP. Higher scrutiny than district-level review — any exterior alteration, including minor changes, requires CHAP approval. Demolition is essentially prohibited without extraordinary circumstances. Landmark designation adds significant time and design constraints to any project.
Design Review (C-5 Districts)
Projects in C-5 Downtown subdistricts may be subject to Baltimore City Design Review, particularly for large-scale development. The Design Review Manual governs building massing, materials, streetscape, and pedestrian experience. Expect 2-4 months for design review on major downtown projects.
Frequently Asked Questions
How do I check zoning for a specific property?
Use Baltimore City's interactive zoning map at data.baltimorecity.gov — search by address to see the zoning district, any overlays, and urban renewal plan boundaries. For what the zoning actually means for your project, Nearby Property translates the code into permitted uses, setbacks, density, and buildable area for any address.
What changed with TransForm Baltimore?
The 2017 code replaced the 1971 zoning ordinance. Key changes: new TOD districts near transit, IMU districts for industrial adaptive reuse, C-5 subdistricts replacing the single downtown zone, and OR districts for office-residential transitions. The district numbering (R-1 through R-10) stayed similar but bulk standards were updated. If you're working from pre-2017 entitlements, verify the mapping — some properties changed districts.
Can I convert a rowhouse to apartments?
Depends on your district. R-5 is single-family rowhouse only — no conversions without rezoning or a variance. R-6 and above allow multifamily, subject to the density standard (1,500 SF/unit in R-6, 800 SF/unit in R-7, 500 SF/unit in R-8). A typical 3-story rowhouse (~3,000 SF) converts to 2 units in R-6 or up to 6 units in R-8. Check whether you're in an Urban Renewal Plan area — some URPs restrict conversions even when base zoning allows them.
What is a CHAP district and how does it affect my project?
CHAP (Commission for Historical and Architectural Preservation) districts are local historic overlays. If your property is in a CHAP district, any exterior alteration visible from the public right-of-way needs CHAP approval — windows, doors, roofing, paint color, additions. Interior work is unregulated. Budget 1-3 months for review. CHAP review is in addition to building permits, not a substitute. There are 50+ CHAP districts covering most of Baltimore's historic neighborhoods.
How do Baltimore's tax incentives work for development?
Baltimore stacks multiple programs. Enterprise Zone: 10-year declining property tax credit (80% year 1 to 0% year 10). PILOT: negotiated tax reduction up to 75%, common for large projects. 20/20 Vision: 10-year property tax freeze for new construction in targeted neighborhoods. These can overlap — a project can be in an Enterprise Zone AND have a PILOT. The incentives fundamentally change deal feasibility, especially for multifamily in neighborhoods with moderate rents. Run your pro forma with and without the credits.
What's the difference between C-5 subdistricts?
C-5 covers all of downtown but is divided into seven subdistricts with different height limits and character goals. C-5-DC (Downtown Core) and C-5-IH (Inner Harbor) have no height limit. C-5-TO (Traditional Office) allows 175 ft. C-5-DE (Downtown East) caps at 125 ft. C-5-HT (Historic and Traditional) and C-5-G (Government Center) cap at 80 ft. All C-5 subdistricts require a 36-ft minimum building height and have zero setback requirements. The subdistrict determines your height ceiling — everything else is the same.
Do I need to check for an Urban Renewal Plan?
Yes — always. Baltimore has over 100 active Urban Renewal Plans, and they function as overlays that can restrict uses beyond base zoning. A property might be zoned C-2 (which allows mixed-use) but sit within a URP that prohibits residential or requires design review. URPs are not always visible on the zoning map — check with the Department of Planning or use the city's planning portal. Ignoring a URP is the most common zoning mistake in Baltimore development.
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any address in Baltimore
Permitted uses, setbacks, density, buildable area, overlays, and nearby development activity — for a specific parcel, not just the district.