3 rules for unincorporated Baltimore County, Maryland.
Verified from official government sources
In the county's Density Residential (D.R.) zones, single-family detached dwellings must meet minimum setbacks set in the BCZR tables — typically about 25 feet front and 30 feet rear in D.R.1–D.R.16, with side setbacks scaled to building height. Accessory structures need 2.5 feet from side and rear lines.
BCZR §1B01.2.C.1
Building setback requirements. ... Except as otherwise may be provided under standards adopted pursuant to Section 504.2, the minimum setbacks and heights shall be as set forth in the following tables.
In the county's Density Residential zones, the maximum building height for dwellings is generally 50 feet, rising to 60 feet in the higher-density D.R.16 zone. Detached residential accessory structures (sheds, garages) are limited to 15 feet.
Baltimore County Residential Accessory Structure Permit standards (accessory height); BCZR §1B01.2 (dwelling height 50 ft, 60 ft in D.R.16)
There is a height limitation of 15 feet.
Baltimore County does not use a single flat lot-coverage percentage. In Density Residential (D.R.) zones, development is controlled mainly by maximum gross density (dwelling units per acre) and open-space standards set in the BCZR tables and the county's Comprehensive Manual of Development Policies.
BCZR §1B01.2 (density, bulk, open space and height standards)
The maximum gross residential densities and height of dwellings shall be as prescribed in the table below; provided, however, that higher or additional standards for the provision of other amenity open space, standards and methods for the inclusion and equitable apportionment of public amenity open space [apply].
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