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  2. Baltimore, MD
  3. R-10

Baltimore, MD · zoning record

R-10 zoning in Baltimore.

The dimensional standards that govern what you can build in the R-10 district, straight from Baltimore's ordinance, with every figure quoting its source. Check a specific address to see how these rules apply to a real lot.

Free · Every figure cited · Read from the current code (2026-10-02)

R-10 dimensional standards.

These are the letter-of-the-law limits for the base R-10 district. Overlays (historic, neighborhood plan, and similar) can tighten them; a specific address check resolves the overlays that actually apply.

Maximum height

35 ft

How tall the building may be. This is the rule for a detached house; the code sets other values below.

“Dwelling: Detached or Semi-Detached | 35 feet | 35 feet | 35 feet | 35 feet | 35 feet | 35 feet”Table 9-401 Rowhouse and Multi-Family Residential Districts – Bulk and Yard Regulations › Maximum Bldg Height › Dwelling: Detached or Semi-Detached › R-10 column · Baltimore code · read 2026-10-02
Other values, by what you build · 1
  • All Other Uses45 ft
    “All Other Uses | 35 or 45 feet 2 | 35 or 45 feet 2 | 35 or 45 feet 2 | 45 or 60 feet 3 | 45 feet | 45 feet”Table 9-401 Rowhouse and Multi-Family Residential Districts – Bulk and Yard Regulations › Maximum Bldg Height › All Other Uses › R-10 column · Baltimore code

Minimum lot size

3,000 sf

Smallest conforming lot. This is the rule for a detached house; the code sets other values below.

“Dwelling: Detached | 3,000 sq.ft. | 3,000 sq.ft. | 3,000 sq.ft. | 3,000 sq.ft. | 3,000 sq.ft. | 3,000 sq.ft.”Table 9-401 Rowhouse and Multi-Family Residential Districts – Bulk and Yard Regulations › Minimum Lot Area › Dwelling: Detached › R-10 column · Baltimore code · read 2026-10-02
Other values, by what you build · 3
  • Dwelling: Semi-Detached2,000 sf
    “Dwelling: Semi-Detached | 2,500 sq.ft. | 2,000 sq.ft. | 2,000 sq.ft. | 2,000 sq.ft. | 2,500 sq.ft. | 2,000 sq.ft.”Table 9-401 Rowhouse and Multi-Family Residential Districts – Bulk and Yard Regulations › Minimum Lot Area › Dwelling: Semi-Detached › R-10 column · Baltimore code
  • Dwelling: Rowhouse500 sf
    “Dwelling: Rowhouse | 2,500 sq.ft. | 1,500 sq.ft. | 1,100 sq.ft. | 750 sq.ft. | 750 sq.ft. | 500 sq.ft.”Table 9-401 Rowhouse and Multi-Family Residential Districts – Bulk and Yard Regulations › Minimum Lot Area › Dwelling: Rowhouse › R-10 column · Baltimore code
  • All Other Uses3,000 sf
    “All Other Uses | 3,000 sq. ft. | 3,000 sq. ft. | 3,000 sq. ft. | 3,000 sq. ft. | 3,000 sq. ft. | 3,000 sq. ft.”Table 9-401 Rowhouse and Multi-Family Residential Districts – Bulk and Yard Regulations › Minimum Lot Area › All Other Uses › R-10 column · Baltimore code

Interior side setback

5 ft

Required space from a side line. This is the rule for a detached house; the code sets other values below.

“Dwelling: Detached | 5 feet | 5 feet | 5 feet | 5 feet | 5 feet | 5 feet”Table 9-401 Rowhouse and Multi-Family Residential Districts – Bulk and Yard Regulations › Minimum Interior-Side Yard › Dwelling: Detached › R-10 column · Baltimore code · read 2026-10-02
Other values, by what you build · 2
  • Dwelling: Semi-Detached 75 ft
    “Dwelling: Semi-Detached 7 | 10 feet | 10 feet | 5 feet | 5 feet | 5 feet | 5 feet”Table 9-401 Rowhouse and Multi-Family Residential Districts – Bulk and Yard Regulations › Minimum Interior-Side Yard › Dwelling: Semi-Detached 7 › R-10 column · Baltimore code
  • All Other Uses5 ft
    “All Other Uses | 10 feet | 10 feet | 10 feet | 5 feet | 5 feet | 5 feet”Table 9-401 Rowhouse and Multi-Family Residential Districts – Bulk and Yard Regulations › Minimum Interior-Side Yard › All Other Uses › R-10 column · Baltimore code

Street-side setback

5 ft

Required space from a side street on a corner lot.

“Dwelling: Detached or Semi-Detached | 10 feet | 10 feet | 5 feet | 5 feet | 5 feet | 5 feet”Table 9-401 Rowhouse and Multi-Family Residential Districts – Bulk and Yard Regulations › Minimum Corner-Side Yard › Dwelling: Detached or Semi-Detached › R-10 column · Baltimore code · read 2026-10-02

Rear setback

10 ft

Required space from the rear line. This is the rule for a detached house; the code sets other values below.

“Dwelling: Detached or Semi-Detached | 25 feet | 25 feet | 25 feet | 25 feet | 10 feet | 10 feet”Table 9-401 Rowhouse and Multi-Family Residential Districts – Bulk and Yard Regulations › Minimum Rear Yard › Dwelling: Detached or Semi-Detached › R-10 column · Baltimore code · read 2026-10-02
Other values, by what you build · 3
  • Dwelling: Rowhouse10 ft
    “Dwelling: Rowhouse | 25 feet | 25 feet | 25 feet | 16 feet or None 9 | 10 feet | 10 feet”Table 9-401 Rowhouse and Multi-Family Residential Districts – Bulk and Yard Regulations › Minimum Rear Yard › Dwelling: Rowhouse › R-10 column · Baltimore code
  • Dwelling: Multi-Family10 ft
    “Dwelling: Multi-Family | 25 feet | 25 feet | 25 feet | 16 feet or None 9 | 10 feet | 10 feet”Table 9-401 Rowhouse and Multi-Family Residential Districts – Bulk and Yard Regulations › Minimum Rear Yard › Dwelling: Multi-Family › R-10 column · Baltimore code
  • All Other Uses10 ft
    “All Other Uses | 25 feet | 25 feet | 25 feet | 25 feet | 10 feet | 10 feet”Table 9-401 Rowhouse and Multi-Family Residential Districts – Bulk and Yard Regulations › Minimum Rear Yard › All Other Uses › R-10 column · Baltimore code

Maximum building coverage

35 %

Share of the lot the building footprint may cover. This is the rule for a detached house; the code sets other values below.

“Dwelling: Detached or Semi-Detached | 35% | 35% | 35% | 35% | 35% | 35%”Table 9-401 Rowhouse and Multi-Family Residential Districts – Bulk and Yard Regulations › Maximum Lot Coverage › Dwelling: Detached or Semi-Detached › R-10 column · Baltimore code · read 2026-10-02
Other values, by what you build · 3
  • Dwelling: Rowhouse80 %
    “Dwelling: Rowhouse | 50% | 60% | 70% | 80% or 100% 4 | 40% | 80%”Table 9-401 Rowhouse and Multi-Family Residential Districts – Bulk and Yard Regulations › Maximum Lot Coverage › Dwelling: Rowhouse › R-10 column · Baltimore code
  • Dwelling: Multi-Family80 %
    “Dwelling: Multi-Family | 50% | 60% | 70% | 80% or 100% 4 | 40% | 80%”Table 9-401 Rowhouse and Multi-Family Residential Districts – Bulk and Yard Regulations › Maximum Lot Coverage › Dwelling: Multi-Family › R-10 column · Baltimore code
  • All Other Uses70 %
    “All Other Uses | 40% | 40% | 70% | 70% | 40% | 70%”Table 9-401 Rowhouse and Multi-Family Residential Districts – Bulk and Yard Regulations › Maximum Lot Coverage › All Other Uses › R-10 column · Baltimore code

Maximum impervious cover

60 %

Share of the lot that may be hard surface. This is the rule for a detached house; the code sets other values below.

“Dwelling: Detached or Semi-Detached | 60% | 60% | 60% | 60% | 60% | 60%”Table 9-401 Rowhouse and Multi-Family Residential Districts – Bulk and Yard Regulations › Maximum Impervious Surface › Dwelling: Detached or Semi-Detached › R-10 column · Baltimore code · read 2026-10-02
Other values, by what you build · 1
  • Dwelling: Rowhouse (Rear Yard)65 %
    “Dwelling: Rowhouse (Rear Yard) | 65% | 65% | 65% | 65% | 65% | 65%”Table 9-401 Rowhouse and Multi-Family Residential Districts – Bulk and Yard Regulations › Maximum Impervious Surface › Dwelling: Rowhouse (Rear Yard) › R-10 column · Baltimore code

Sources

Every figure above is quoted verbatim from the current ordinance. We never substitute a typical-for-zone default: a field absent from the record shows nothing, not a guess.

Informational only — not a permit, appraisal, or professional engineering opinion. Verify with your local planning department before acting on it. See Terms and data sources.

Other Baltimore districts on record.

R-1AR-1R-1BR-8R-1CR-2R-5R-1DR-3R-6R-9R-1ER-4R-7

Check a real Baltimore lot against R-10.

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