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How do roofers in Hawaii get more customers from Google and AI search?
Short answer: Roofers in Hawaii get found online with a website that shows their license number, names the towns they serve such as Urban Honolulu CDP, and collects real local reviews. Licensing runs through the Contractors License Board, Hawaii DCCA Professional and Vocational Licensing. The state had 96 businesses with staff in this Census category in 2022.
- Licensing body: Contractors License Board, Hawaii DCCA Professional and Vocational Licensing.
- HRS 444-9.2 lets a contractor advertise in print or broadcast media only if the ad shows the current license number and the contractor can prove it is valid.
- 96 businesses with staff in 2022, 42nd of 50 states; 68% have fewer than 10 staff.
- Largest cities: Urban Honolulu CDP.
- Code edition: 2018 International Residential Code (IRC).
Do roofers need a license in Hawaii?
In Hawaii, the licensing body for this work is Contractors License Board, Hawaii DCCA Professional and Vocational Licensing.
License or registration types named by the state: C-42 Roofing Contractor.
- Roofing has its own specialty license, C-42, with sub-classes for metal shingles, wood shakes, tile, urethane foam and roof coatings.
- A B general building license automatically includes C-42a metal shingles and C-42b wood shingles and shakes.
Homeowners can check a license on the state lookup page. Put your number where they will look for it.
Contractor registration in Hawaii sits with Contractors License Board, Hawaii DCCA Professional and Vocational Licensing. Work over $1,500 in labor and materials needs a license. Concrete is C-31a, masonry C-31, fencing C-32 or C-32a, painting C-33. B general building licensees automatically hold C-31a cement concrete and C-32a wood and vinyl fencing. A licensees hold C-31a and C-32.
License numbers in ads and on websites
HRS 444-9.2 lets a contractor advertise in print or broadcast media only if the ad shows the current license number and the contractor can prove it is valid. Advertising as a contractor without a valid license is a misdemeanor, even for people exempt under the small-job rule.
How many roofing contractors compete in Hawaii’s main cities?
| City | County | Businesses with staff | Residents per business |
|---|---|---|---|
| Urban Honolulu CDP | Honolulu County | 64 | 15,460 |
Source: US Census Bureau, County Business Patterns 2022 and County Population Estimates 2023. Counts businesses with paid employees only.
How many roofing contractors are in Hawaii?
The Census Bureau counted 96 businesses with employees in Hawaii in 2022, in the category “Roofing contractors”. That ranks Hawaii 42nd of 50 states, one of the smaller markets, and 0% of the US total. 68% of them have fewer than 10 staff, and 13 have 20 or more.
Together they employ 1,091 people, with an average yearly payroll of $706,708 per business. The three busiest counties hold 93% of them, so competition is packed into a few places.
With 1,435,138 residents (Census, July 2023), that is one business for every 14,949 people, against 13,628 nationally: close to the US average.
Counties with the most roofing contractors
| County | Businesses | Residents per business |
|---|---|---|
| Honolulu County | 64 | 15,460 |
| Hawaii County | 14 | 14,830 |
| Maui County | 11 | 14,926 |
| Kauai County | 7 | 10,550 |
4 of Hawaii’s counties have at least one. Source: US Census Bureau, County Business Patterns 2022.
How big are they?
Businesses by number of employees, 2022: 45 with 1-4 staff, 20 with 5-9 staff, 17 with 10-19 staff, 9 with 20-49 staff, 4 with 50+ staff.
Where Hawaii is growing
New homes and new owners bring new work. Hawaii's population changed -1.1% from July 2020 to July 2023. The fastest-growing counties with 50,000 or more people:
- Hawaii County: 207,615 people, +3.4% since 2020, 14 roofing contractors
- Kauai County: 73,851 people, +0.9% since 2020, 7 roofing contractors
- Maui County: 164,183 people, -0.4% since 2020, 11 roofing contractors
- Honolulu County: 989,408 people, -2.3% since 2020, 64 roofing contractors
Source: US Census Bureau, County Population Estimates, Vintage 2023.
Which code applies in Hawaii?
Hawaii uses the 2018 edition of the International Residential Code (IRC) (State council adopted 2018 IRC with amendments; counties enforce). Homeowners rarely ask about code editions, but inspectors do, and a line on your service pages saying your work meets the current 2018 code answers the question before it comes up.
What should a Hawaii roofer website show?
- Your license number in the footer of every page. Hawaii requires it in advertising for at least some trades.
- A service area list that names real counties and towns, for example Honolulu County, Hawaii County and Maui County.
- Real reviews from local jobs, with the town named, and photos of your own work.
Hawaii questions
Who licenses roofers in Hawaii?
Contractors License Board, Hawaii DCCA Professional and Vocational Licensing. Roofing has its own specialty license, C-42, with sub-classes for metal shingles, wood shakes, tile, urethane foam and roof coatings. A B general building license automatically includes C-42a metal shingles and C-42b wood shingles and shakes.
How many roofing contractors are there in Hawaii?
The US Census Bureau counted 96 businesses with employees in Hawaii in 2022 in the category Roofing contractors, and 68% of them have fewer than 10 staff.
Which county in Hawaii has the most roofing contractors?
Honolulu County, with 64 businesses with employees in 2022 (Census County Business Patterns).
Do I need my license number on my website in Hawaii?
HRS 444-9.2 lets a contractor advertise in print or broadcast media only if the ad shows the current license number and the contractor can prove it is valid. Advertising as a contractor without a valid license is a misdemeanor, even for people exempt under the small-job rule.
Which edition of the International Residential Code (IRC) does Hawaii use?
The 2018 edition. State council adopted 2018 IRC with amendments; counties enforce.
Sources
- US Census Bureau, County Business Patterns 2022 (state and county files)
- US Census Bureau, City, Town and County Population Estimates, Vintage 2023
- https://cca.hawaii.gov/pvl/boards/contractor/
- https://cca.hawaii.gov/wp-content/uploads/2026/01/DescriptionofContractorLicenseClassifications-1.pdf
- https://data.capitol.hawaii.gov/hrscurrent/Vol10_Ch0436-0474/HRS0444/HRS_0444-0009_0002.htm
- https://www.law.cornell.edu/regulations/hawaii/Haw-Code-R-SS-16-77-83
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