Yes, you can build in Baltimore. The city has been encouraging development through tax incentives, streamlined permitting, and zoning reform. Baltimore’s TransForm code (adopted 2017) modernized zoning. Historic preservation and some brownfield contamination are key considerations.
Last updated: April 2026 · Data from 20+ government sources
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ADU Status
Yes — under TransForm zoning code
Common Zones
R-1 through R-10, C-1 through C-5, TOD, IMU
Permit Timeline
4–10 weeks
Key Constraint
Historic districts, brownfield sites, harbor flood zones
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Score My Baltimore Property FreeZoning rules in Baltimore vary by address. Enter your specific property for accurate results. Always verify with the Baltimore planning department before making decisions.