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May 2026 Building Permits

Official permit data from Boulder— updated Mon, Wed & Fri from the county permitting office.

Boulder, CO issued 657 building permits in May 2026, down 12% from the prior month. The most active zip code was 80304 with 203 permits. Right-of-Way Permit — Right-of-Way Permit with Utilities was the top permit type, making up 14% of all permits issued.

Permits issued
657
vs. prior month
-12%
743 last month
Most active zip
80304
203 permits
Top permit type
Right-of-Way Permit — Right-of-Way Permit with Utilities
14% of total

Permit activity by zip code

Top 10 zip codes by permit volume — May 2026

80304
203
80305
139
80301
104
80302
96
80303
96
80503
2

Permits by type

May 2026 · Boulder, CO

Right-of-Way Permit — Right-of-Way Permit with Utilities
92 (14%)
Mechanical Permit — Mechanical HVAC/Solar
86 (13%)
Roofing Replacement Permit — Roofing Replacement Permit
83 (13%)
Electrical Permit — Electrical Permit
80 (12%)
Mechanical Permit — Mechanical with Electrical
73 (11%)
Building Permit - Single Family Detached Dwelling — Alteration
43 (7%)
Utility Permit — Utility Permit
34 (5%)
Fire Permit — Fire Permit
26 (4%)
Right-of-Way Permit — Right-of-Way Permit
21 (3%)
Roofing Replacement Permit — Roofing ? Existing Solar Panels
12 (2%)
Building Permit - Single Family Detached Dwelling — Addition and Alteration
11 (2%)
Building Permit - Non-Residential — Alteration
8 (1%)
Mechanical Permit — Water Heat - Single Family Residential
8 (1%)
Sign Permit — Sign Permit
8 (1%)
Utility Permit — Utility Sub-Permit
8 (1%)
Building Permit - Single Family Attached Dwelling — Alteration
6 (1%)
Building Permit - Single Family Detached Dwelling — Repair
6 (1%)
Siding Replacement Permit — Siding Replacement Permit
6 (1%)
Building Permit - Accessory — RES- Enclosed Structure with Heating or Cooling
5 (1%)
Plumbing Permit — Plumbing Permit
5 (1%)
Wireless Facility Permit — Wireless Facility Permit
5 (1%)
Demolition Permit — Full Structure Deconstruction
4 (1%)
Building Permit - Multifamily — Alteration
3 (0%)
Electrical Permit — Temporary Construction Power
3 (0%)
Building Permit - Mixed Use — Tenant Finish
2 (0%)
Demolition Permit — Interior Non-Structural Deconstruction
2 (0%)
Erosion Control Permit — Erosion Control Permit
2 (0%)
Temporary Event Permit — Temporary Event Permit
2 (0%)
Building Permit - Accessory — NRE- Unenclosed Structure
1 (0%)
Building Permit - Accessory — RES- Enclosed Structure without Heating or Cooling
1 (0%)
Building Permit - Multifamily — Repair
1 (0%)
Building Permit - Non-Residential — Repair
1 (0%)
Building Permit - Non-Residential — Tenant Finish
1 (0%)
Building Permit - Single Family Attached Dwelling — Addition and Alteration
1 (0%)
Building Permit - Single Family Attached Dwelling — Modular
1 (0%)
Building Permit - Single Family Detached Dwelling — New
1 (0%)
Fence and Wall Permit — Fence and Wall Permit
1 (0%)
Floodplain Permit — Non-Public Process
1 (0%)
Grading Permit — Grading Permit
1 (0%)
Mechanical Permit — Building Heat - Single Family Residential
1 (0%)
Wetland Permit — Public Process
1 (0%)

Other months — Boulder

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