Roof Replacement in Colorado: Local Licensing, Permits and Hail

Colorado does not license roofers at the state level. The state's Department of Regulatory Agencies (DORA) says plainly that not all occupations are licensed, naming roofers and general contractors, and tells consumers to check with their city before hiring, because local laws may provide consumer protections (DORA home and repair) ¹. So the license check for a Colorado roofer happens with the city or county where the house is, not with the state.

The same is true of permits, which are set city by city. Colorado's Front Range also has one of the highest hail frequencies in the country, which shapes the roofing products people ask about. This page covers where to check a roofer, how two Colorado cities handle roofing permits, and what the hail record shows.

Who licenses roofers in Colorado

DORA licenses many occupations and keeps a lookup for the professions under its jurisdiction (DORA license check) ¹². Roofing is not one of them ¹. Cities fill the gap in different ways:

• Denver. The city tells homeowners to verify that their contractor has a current Denver contractor's license, and says homeowners acting as their own general contractor must hire contractors holding a City and County of Denver license for work they do not do themselves (Denver homeowner permits) ³.
• Other cities and counties. Each sets its own rules, and a license in one city may not carry over to the next. Call the building department for your address and ask whether roofing contractors must hold a local license or registration, and how to check one.

Ask the same question of any roofer who works across several cities: which local licenses or registrations does the company hold, and under what name? Where no local license applies, the checks shift to the company and the contract: an established address, references you can call, and a written quote with every line filled in. The guide to choosing a roofing contractor and the article on roofing contract red flags cover both.

Permits: Denver and Centennial compare

Denver's roofing guidelines carry a revision date of August 28, 2015, and cite the code editions in force then ⁴, so confirm current thresholds with the city. The same Denver document also lists design wind speeds for shingles that rise from 90 mph near Federal Boulevard to 110 mph near Kipling Street, and says shingles must be tested and labeled for those speeds ⁴. Centennial adds that a roof replacement must remove all existing layers down to the deck ⁵.

Denver also lets owners of single-family homes pull residential permits for work they do themselves, with no exam needed for roofing and siding permits; the homeowner who applies must be the person who does the work ³. When you hire a roofer, the roofer should apply. The roofing permit guide explains what to ask.

Hail on the Front Range: the weather record

Colorado's Front Range sees hail often. A NOAA-led study of hail reports from 2013 to 2020 found a maximum of about 26 days a year with hail of any size along the Colorado Front Range, second only to an area centered over Oklahoma at about 28 ⁶. For severe hail, the same study found a maximum of about 20 days a year where Nebraska, Kansas and Colorado meet ⁶. It found that spring brings the most frequent hail over the central Plains ⁶.

Impact-rated shingles and UL 2218

That record is why many Colorado quotes mention impact-rated shingles. FEMA suggests considering impact-rated asphalt shingles to reduce hail damage to asphalt roofs, with a Class 4 rating under UL 2218, the Underwriters Laboratories impact-resistance standard for prepared roof coverings, or Class 4 under ANSI/FM 4473, which tests with ice balls ⁷.

When a quote lists impact-rated shingles, ask for:

• the exact product name and line;
• the rating as printed on the product label or packaging (UL 2218 Class 4, or FM 4473 Class 4) ⁷;
• whether the manufacturer's warranty for that product has any hail-related terms, and what they say.

A rating describes how a new product performed in a standard test, not a promise about any particular storm. The roof warranties article explains how to read the material warranty itself.

What a roof costs in Colorado

The national surveys do not publish reliable city-level roof prices for Colorado, so this page does not quote a local figure. Impact-rated products, tear-off of multiple layers and local permit requirements can all change a Colorado quote ⁴⁵⁷. The roof replacement cost guide sets the published national ranges side by side, and the line-by-line quote template helps you compare quotes for the same scope.

RooferProMatch is a lead-generation service, not a roofer, and is paid by roofing companies when a reader requests quotes. When you are ready, you can compare quotes from roofing companies that serve your part of Colorado.

About these figures

• ¹ Official record: DORA statement that roofers and general contractors are not licensed by the state, with advice to check with the city, checked November 11, 2026.
• ² Official record: DORA license lookup for state-regulated professions, checked November 11, 2026.
• ³ Official record: Denver homeowner permit page (verify a current Denver contractor's license; homeowner permits; no exam for roofing and siding), checked November 11, 2026.
• ⁴ Official record: Denver residential roofing guidelines revised August 28, 2015 (permit over 10% of the roof, two-layer limit, 90 to 110 mph wind speeds), checked November 11, 2026.
• ⁵ Official record: Centennial roof repair rules (100 square feet, 25% tear-off threshold, mid-roof inspection, removal of all layers), checked November 11, 2026.
• ⁶ Reported: Elmore, Allen and Gerard (2022), about 26 hail days a year on the Front Range, about 28 over Oklahoma, a 20-day severe hail maximum at the Nebraska-Kansas-Colorado junction, and spring frequency, 2013 to 2020 data, checked November 11, 2026.
• ⁷ Official record: FEMA fact sheet suggesting Class 4 impact-rated asphalt shingles under UL 2218 or ANSI/FM 4473, checked November 11, 2026.