393 home addition contractors filed 864 home addition permits on homes in the City and County of Denver from October 2023 to September 2026; 174 filed one in the last 12 months. The middle filed job value was $110,000. The most active in the last 12 months were TWO18 Construction LLC (9 permits), PR Builders (9) and A2Z Builders, LLC (8); busy is not the same as careful. The finished share isn't shown for home addition permits here, so this list compares firms on permits filed and recent activity only. Side by side: permits filed and permits in the last 12 months for each firm. Pick what you value and the list re-orders.
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Top 5 by home addition permits filed in the last 12 months. This is volume, not quality: a busy firm is not necessarily a careful one.
The 8 ZIP codes with the most home addition permits on homes from October 2023 to September 2026. Each opens permits by trade and the most active firms there.
80210 (140) 80220 (93) 80211 (81) 80209 (80) 80212 (68) 80207 (60) 80206 (51) 80205 (40)
Before you move a slider, the list is in a default order built only from the permit record: how much of each firm’s record is this kind of job (weight 30) and how many permits it filed in the last 12 months (15). Each measure is ranked against the other 393 firms and pulled toward the middle when a record is short.
The order comes from the Denver permit file, not from reviews: 174 of 393 home addition contractors filed a permit in the last 12 months. Nobody pays to be listed or to move up, and there are no star ratings or reviews. The sliders and presets change the weights, and the order changes with them. How the records work in Denver.
We do not rate contractors. In this page’s default order, which uses only the permit record through Sep 2026, the top 3 are A2Z Builders, LLC (17 permits), Lujan Investment Group & Home Improvement LLC (14 permits) and Five J Construction LLC (12 permits).
393 firms are on the list; the busiest filed 9 home addition permits in the last 12 months and the middle firm filed 1 in the whole file. Line them up on the same public measures: permits filed and usual filed job value. Pick what matters to you and the list re-orders, for example recent activity if you need someone soon. The order comes from the permit record only, and nobody pays to be listed or to move up.
393 firms filed at least one home addition permit on homes in the City and County of Denver from October 2023 to September 2026; 174 of them filed one in the last 12 months.
We have not matched license records to Denver firms, so ask for the license number and check it yourself with Denver permits & licenses portal. How to check a contractor's license in Colorado →
Three you can check against this page: “How many home addition permits have you filed in Denver?” (the middle firm here filed 1; 174 of 393 filed one in the last 12 months); “What value will you put on the permit?” (the usual filed value here is $110,000); “Will you pull the permit in your company’s name, and when is the final inspection?”. All 10 questions and how to check each →
On this page: 393 firms filed 864 home addition permits from October 2023 to September 2026, and each firm’s name opens its own permit record. Every number comes from City and County of Denver residential construction and demolition permits. To see one permit itself, search the address or permit number with the Denver permit office. How the records work in Denver →
We do not rate or collect reviews. Instead each of the 393 home addition contractors here is shown with its permit record: 864 permits and usual filed value. Read reviews on other sites and use this page to check them against the record. Reviews vs permit records →
Every number on this page comes from City and County of Denver residential construction and demolition permits: 393 firms filed 864 home addition permits on homes in the City and County of Denver from October 2023 to September 2026, and 174 of them filed one in the last 12 months. The middle firm has 1 permit in the whole file. A short record leaves more uncertainty, and some jobs never require a permit.
The middle recorded permit value is $110,000. That is a filed estimate, not a quote or final bill. See how we compare records.
Most Denver home addition permits are filed in April (136 against an average month of 100); December is the quietest (67). When each trade is busiest in Denver →