10,375 permits from 1,153 contractors across 8 kinds of work in the City and County of Denver, October 2023 through September 2026: about 3,458 a year. Remodel & Alteration is the biggest trade with 3,530 permits. The busiest month for filings is October.
Firms are distinct business names on the file. A linked usual filed value opens what that work costs. Finished is the share of permits a year or more old that the city closed out. Days to finish run from issue to the city's completion date, not from application.
| Trade | Permits | Firms | Active last 12 mo | Usual filed value | Finished | Days to finish | Busiest month |
|---|---|---|---|---|---|---|---|
| Remodel & Alteration | 3,530 | 858 | 488 | $25,000 | — | — | July |
| New Home | 2,371 | 270 | 142 | $275,110 | — | — | July |
| Demolition | 1,139 | 122 | 67 | $8,000 | 91.0% | 21 | October |
| Garage | 989 | 233 | 64 | $29,882 | — | — | October |
| Foundation & Structural Repair | 951 | 130 | 62 | $12,220 | 63.7% | 93 | December |
| Addition | 864 | 393 | 174 | $110,000 | — | — | April |
| Pool, Shed & Outdoor Structure | 269 | 132 | 45 | $37,786 | — | — | May |
| ADU | 262 | 162 | 77 | $137,144 | — | — | June |
The file we publish splits exactly into the last 12 months on file and the 24 months before them, so these are 12-month periods ending September 2026, not calendar years. Per year scales each period to 12 months. Counts cover the 8 kinds of home work we track, not every permit Denver issues.
| Period | Months | Permits | Per year |
|---|---|---|---|
| Oct 2023–Sep 2025 | 24 | 7,050 | 3,525 |
| Oct 2025–Sep 2026 (last 12 months) | 12 | 3,325 | 3,325 |
Share of filings by month, 100 = an average month (the thin line). The 6 biggest trades, October 2023 through September 2026. A tall bar is a busy month at the permit counter, which usually means a longer wait for a contractor.
3,530 permits · busiest July, quietest December
2,371 permits · busiest July, quietest September
1,139 permits · busiest October, quietest January
989 permits · busiest October, quietest September
951 permits · busiest December, quietest March
864 permits · busiest April, quietest December
| Trade | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Remodel & Alteration | 101 | 94 | 97 | 111 | 90 | 100 | 114 | 103 | 95 | 109 | 101 | 86 |
| New Home | 118 | 76 | 105 | 95 | 78 | 74 | 157 | 95 | 65 | 144 | 90 | 104 |
| Demolition | 77 | 92 | 88 | 113 | 87 | 116 | 99 | 93 | 96 | 127 | 114 | 96 |
| Garage | 118 | 82 | 86 | 96 | 107 | 82 | 117 | 102 | 79 | 155 | 84 | 92 |
| Foundation & Structural Repair | 109 | 86 | 66 | 102 | 98 | 83 | 109 | 113 | 116 | 104 | 81 | 132 |
| Addition | 76 | 89 | 109 | 136 | 100 | 106 | 104 | 117 | 106 | 115 | 75 | 67 |
For each trade, the month with the most permit filings and the month with the fewest, October 2023 through September 2026. Trades do not all peak together, so the busy season depends on the job. Busiest is not the same as best: these are counts of filings, not prices or weather, though a quiet month at the permit counter can mean contractors have more room in the schedule.
July: Denver remodel & alteration permits peak in July (114 against an average month of 100, about 9% of a year's filings); December is the quietest (86). That is from 3,530 permits, October 2023 through September 2026. If you can choose when to schedule a home remodel, December has the fewest filings. Busiest is not the same as best: this counts filings, not prices or weather, and we have no prices by month. See the remodel & alteration chart →
July: Denver new home permits peak in July (157 against an average month of 100, about 13% of a year's filings); September is the quietest (65). That is from 2,371 permits, October 2023 through September 2026. If you can choose when to schedule new home construction, September has the fewest filings. Busiest is not the same as best: this counts filings, not prices or weather, and we have no prices by month. See the new home chart →
October: Denver demolition permits peak in October (127 against an average month of 100, about 11% of a year's filings); January is the quietest (77). That is from 1,139 permits, October 2023 through September 2026. If you can choose when to schedule demolition, January has the fewest filings; the usual permit then takes 21 days from issue to sign-off. Busiest is not the same as best: this counts filings, not prices or weather, and we have no prices by month. See the demolition chart →
October: Denver garage permits peak in October (155 against an average month of 100, about 13% of a year's filings); September is the quietest (79). That is from 989 permits, October 2023 through September 2026. If you can choose when to schedule garage construction, September has the fewest filings. Busiest is not the same as best: this counts filings, not prices or weather, and we have no prices by month. See the garage chart →
December: Denver foundation & structural repair permits peak in December (132 against an average month of 100, about 11% of a year's filings); March is the quietest (66). That is from 951 permits, October 2023 through September 2026. If you can choose when to schedule structural repair work, March has the fewest filings; the usual permit then takes 93 days from issue to sign-off. Busiest is not the same as best: this counts filings, not prices or weather, and we have no prices by month. See the foundation & structural repair chart →
April: Denver addition permits peak in April (136 against an average month of 100, about 11% of a year's filings); December is the quietest (67). That is from 864 permits, October 2023 through September 2026. If you can choose when to schedule a home addition, December has the fewest filings. Busiest is not the same as best: this counts filings, not prices or weather, and we have no prices by month. See the addition chart →
May: Denver pool, shed & outdoor structure permits peak in May (148 against an average month of 100, about 12% of a year's filings); January is the quietest (56). That is from 269 permits, October 2023 through September 2026. If you can choose when to schedule outdoor structure work, January has the fewest filings. Busiest is not the same as best: this counts filings, not prices or weather, and we have no prices by month.
June: Denver ADU permits peak in June (128 against an average month of 100, about 11% of a year's filings); February is the quietest (68). That is from 262 permits, October 2023 through September 2026. If you can choose when to schedule ADU construction, February has the fewest filings. Busiest is not the same as best: this counts filings, not prices or weather, and we have no prices by month.
Top 10 by permits pulled in the last 12 months, all trades. This is volume, not quality: a busy firm is not a careful one. Pick what you value on the compare page to build a ranking.
| Contractor | Trades | Last 12 mo | All permits |
|---|---|---|---|
| Mendoza Demolition Services Inc | Demolition | 174 | 547 |
| R.G. Brinkmann Company dba Brinkmann Constructors | Remodel & Alteration, New Home | 147 | 147 |
| Groundworks Colorado LLC | Remodel & Alteration, Foundation & Structural Repair | 110 | 319 |
| Affordable Garages & Concrete LLC | Remodel & Alteration, Demolition, Garage, Addition, Pool, Shed & Outdoor Structure | 67 | 259 |
| Paulscorp LLC | Remodel & Alteration, New Home, Garage, Pool, Shed & Outdoor Structure | 61 | 197 |
| Thrasher Inc | Remodel & Alteration, Foundation & Structural Repair | 55 | 133 |
| Progressive Building Group LLC | Remodel & Alteration, New Home, Demolition, Garage | 49 | 70 |
| Columbine Home Builders | Remodel & Alteration, New Home, Garage, Pool, Shed & Outdoor Structure, ADU | 44 | 109 |
| All Demolition Excavating Co | Demolition | 43 | 129 |
| A2Z Builders, LLC | Remodel & Alteration, Demolition, Foundation & Structural Repair, Addition, ADU | 42 | 116 |
Each permit counted at its property's ZIP code, October 2023 through September 2026, for the 8 kinds of home work we track. The 10 busiest of 20 ZIP codes with 100 or more permits; each opens permits by trade and the most active contractors there.
| ZIP code | Permits | Share | Top trade | Usual home value |
|---|---|---|---|---|
| 80210 | 1,255 | 12% | Remodel & Alteration | $899,000 |
| 80209 | 777 | 7% | Remodel & Alteration | $1,194,000 |
| 80211 | 704 | 7% | Remodel & Alteration | $802,000 |
| 80220 | 676 | 7% | Remodel & Alteration | $808,000 |
| 80206 | 503 | 5% | Remodel & Alteration | $1,042,000 |
| 80212 | 480 | 5% | Remodel & Alteration | $820,000 |
| 80207 | 415 | 4% | Remodel & Alteration | $662,000 |
| 80205 | 408 | 4% | Remodel & Alteration | $651,000 |
| 80219 | 357 | 3% | Foundation & Structural Repair | $447,000 |
| 80204 | 355 | 3% | New Home | $503,000 |
Source: City and County of Denver residential construction and demolition permits. The window is October 2023 through September 2026; a permit filed after that isn't here yet.
A filed value is what the contractor wrote on the permit when they applied. It is not a quote and not the final bill.
Counts are permits, not jobs: one job can need several permits, and one permit can cover several visits.
Nobody paid to be on this page and nobody can. How the records work in Denver →
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