P&DS COVID-19 Closures
The P&DS Services Center is closed for in person services. Online applications and processes are available for all services.
The city's zoning code is broken into three basic parts, or modules, that specify use, density and development requirements for each district. The combined elements of the three modules create a zoning district.
The three zoning code modules are:
Building coverage is the maximum horizontal area within the outer perimeter of the building walls, dividers, or columns at or above ground level, whichever is the greater area.
Building coverage standards apply to all principal and accessory residential buildings:
Building coverage does not include:
The purposes of the City of Boulder's building coverage standards are to:
To determine the maximum amount of building coverage permitted on a property, you need to know the lot size and zoning district for your property. Select the "Map of Zoning Districts" link below.
|LOT SIZE (IN SQUARE FEET)||LESS THAN 5,000||5,000 TO 10,000||10,001 TO 22,500||MORE THAN 22,500|
|RR-1, RR-2, RE, RL-1, RL-2 AND RMX-1||0.41||(Lot Size x 0.2) + 1,050||(Lot Size x 0.116) + 1,890||Lot Size x 2.0|
Accurate lot area, as determined by a surveyor, is recommended in all circumstances but may be required if the proposed development is within 20 percent of the maximum allowed building coverage.
|7,000-square-foot RL-1 lot||(7,000 x 0.2) + 1,050 = 2,450 square feet|
|4,900-square-foot RMX-1 lot||4,900 x 0.41 = 2,009 square feet|