BuildingPermitCost Colorado permit fees at a glance
This page covers 12 cities and 3 counties in Colorado, each priced from its own official fee schedule. For the same $75,000 addition, totals run from $260.00 in Fort Collins to $2,026.40 in Arapahoe County, with a Colorado median of $1,174.21, 43% above the median of $820.58 across all 267 places on this site.
The most common pricing method here is a fee table based on project value (14 of 15), followed by a rate per square foot (1). For project value, 5 places use the higher of your bid and a valuation table, 4 places use your contract or bid price and 3 places use the ICC Building Valuation Data table.
14 of 15 charge a separate plan review fee; the most common rate is 65% of the permit fee (8 places).
6 of 15 schedules state an effective date, 4 of them from 2025 or later. Every page shows its effective date and the date we last checked it against the official source.
| Project | Colorado median | National median | Places |
|---|---|---|---|
| $25,000 remodel | $531.00 | $380.00 | 15 |
| $75,000 addition | $1,174.21 | $820.58 | 15 |
| $350,000 new home | $3,972.62 | $2,918.63 | 15 |
Calculate your own project · Compare Colorado places side by side · Fees people often miss
Cities
| Jurisdiction | $25k remodel | $75k addition | $350k new home | Verified |
|---|---|---|---|---|
| Boulder | $522.31 | $1,174.21 | $13,550.03 | Nov 5, 2026 |
| Centennial | $645.56 | $1,350.94 | $3,949.69 | Nov 5, 2026 |
| Colorado Springs | $337.92 | $753.92 | $2,193.92 | Nov 4, 2026 |
| Commerce City | $835.11 | $1,748.08 | $5,111.04 | Nov 5, 2026 |
| Denver | $328.50 | $892.50 | $3,255.00 | Nov 4, 2026 |
| Fort Collins | $461.50 | $260.00 | $1,560.00 | Nov 4, 2026 |
| Grand Junction | $296.00 | $601.00 | $1,701.00 | Nov 5, 2026 |
| Lakewood | $652.00 | $1,316.12 | $3,972.62 | Nov 5, 2026 |
| Longmont | $674.70 | $1,411.95 | $4,128.83 | Nov 5, 2026 |
| Pueblo | $308.75 | $633.75 | $2,198.44 | Nov 5, 2026 |
| Thornton | $671.47 | $1,369.91 | $4,122.29 | Nov 5, 2026 |
| Westminster | $549.37 | $1,147.49 | $3,290.43 | Nov 5, 2026 |
Counties
| Jurisdiction | $25k remodel | $75k addition | $350k new home | Verified |
|---|---|---|---|---|
| Adams County | $531.00 | $1,323.00 | $4,582.00 | Nov 5, 2026 |
| Arapahoe County | $968.34 | $2,026.40 | $7,079.52 | Nov 5, 2026 |
| Broomfield | $391.25 | $818.75 | $6,374.69 | Nov 5, 2026 |
Colorado permit fee questions
How much is a building permit in Colorado?
It depends on the city or county, because each sets its own fees. Across the 15 places we cover in Colorado, the median for a $75,000 addition is $1,174.21 and for a $350,000 new home $3,972.62, including plan review and required surcharges.
Which Colorado places have the lowest and highest permit fees?
For a $75,000 addition, the lowest total we found is $260.00 in Fort Collins, CO and the highest is $2,026.40 in Arapahoe County, CO. The tables on this page list every place we cover.
Totals use each jurisdiction's own formula for a 300 sq ft remodel, a 400 sq ft addition and a 2,400 sq ft wood-frame home. Trade permits and conditional fees are not included. Fees are estimates based on the official schedules; confirm with the permit office before applying.