Building permits · May 2026

Boulder County Building Permits

Monthly residential building permits for Boulder County, Colorado 285 units authorized in May 2026, 2,163 over the last 12 months — latest month +179.4% vs. a year earlier.

285
Units (latest month)
29
Single-family units
256
Multifamily (5+) units
$76,465,765
Reported value
Trailing 12 months: 2,163 units permitted · latest month +179.4% vs. a year earlier.
Total units permitted, by monthDec 2024May 2026
Dec 2024May 2026
Structure typeUnitsShare
Single-family (1-unit)2910.2%
2-unit structures00.0%
3–4 unit structures00.0%
Multifamily (5+ units)25689.8%
All units285100%

Boulder County building permits — FAQ

How many building permits were issued in Boulder County?+

285 new residential units were authorized in Boulder County, Colorado in May 2026, and 2,163 over the trailing 12 months (U.S. Census Building Permits Survey).

What share of Boulder County permits are multifamily?+

89.8% of Boulder County's May 2026 permitted units were in multifamily (2+ unit) buildings.

Where does this data come from?+

Figures come from the U.S. Census Bureau's Building Permits Survey, a monthly census of permit-issuing jurisdictions. PUMSdata is independent and not affiliated with the Census Bureau.