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How do roofers in Michigan get more customers from Google and AI search?
Short answer: Roofers in Michigan get found online with a website that shows their license number, names the towns they serve such as Detroit, Grand Rapids and Warren, and collects real local reviews. Licensing runs through the LARA Bureau of Construction Codes. The state had 474 businesses with staff in this Census category in 2022.
- Licensing body: LARA Bureau of Construction Codes.
- Residential builders and M&A contractors must put name, license number and actual business address in all advertising. A phone or PO box alone is not allowed. Rule: Mich. Admin. Code R 338.1532.
- 474 businesses with staff in 2022, 19th of 50 states; 74% have fewer than 10 staff.
- Largest cities: Detroit, Grand Rapids and Warren.
- Common words in local searches: “repair” and “reviews”.
- Coldest month January (about 20°F), warmest July (about 69°F), statewide average.
Do roofers need a license in Michigan?
In Michigan, the licensing body for this work is LARA Bureau of Construction Codes.
License or registration types named by the state: Residential Builder; Residential Maintenance and Alteration Contractor.
- No separate roofing license found. Residential roofing is done under a Residential Builder or Maintenance and Alteration (M&A) license.
- The license is required once a project's total contract price reaches $600. Splitting jobs to dodge the threshold is not allowed.
- Applicants need 60 hours of approved prelicensure education and a PSI exam, per LARA-related sources.
Contractor registration in Michigan sits with LARA Bureau of Construction Codes. The M&A license covers residential repair, alteration, improvement, demolition, building a garage and laying concrete on residential property. It is the license for concrete, masonry, fencing and painting jobs at that scale. Residential means detached 1 or 2 family homes and townhouses up to three stories. Threshold is a total contract price of $600 or more.
License numbers in ads and on websites
Residential builders and M&A contractors must put name, license number and actual business address in all advertising. A phone or PO box alone is not allowed. Rule: Mich. Admin. Code R 338.1532. Advertising rules for electrical, plumbing and mechanical licensees: unknown.
What do homeowners in Michigan’s biggest cities search for?
Google autocomplete for roofer searches in each city (job-seeker searches removed):
Detroit
- detroit roofer fight
- detroit roofers of belleville
- detroit roofers of birmingham
- detroit roofers of royal oak
- detroit roofers of southfield
- detroit roofing company
- detroit roofing contractors
- detroit roofing inspection service
Grand Rapids
- big rapids roofing reviews
- grand junction roofing company
- grand junction roofing company reviews
- grand rapids roof repair
- grand rapids roofers & home improvement
- grand rapids roofing companies
- grand rapids roofing contractors
- grand rapids roofing permit
Warren
- roofers warren ohio
- roofing warranty certificate
- roofing warranty example
- roofing warranty template
- roofing warranty template free
- roofing warren mi
- roofing warren ohio
- warren roofers inc
Sterling Heights
- platinum roofing sterling heights mi
- pro roofing sterling heights
- rapid roofing sterling heights
- rapid roofing sterling heights reviews
- roof repair sterling heights
- roof repair sterling heights mi
- roofing companies sterling heights
- roofing sterling heights mi
Ann Arbor
- ann arbor roof repair
- ann arbor roofing company
- ann arbor roofing contractors
- freedom roofing ann arbor
- goto roofing ann arbor
- metal roofing ann arbor
- neighborhood roofing ann arbor
- rapid roofing ann arbor
Across these cities, the words that come up most are “repair” and “reviews”.
Source: Google autocomplete suggestions, checked November 9, 2026. Suggestions change over time.
What does a year of roofer work look like in Michigan?
Publish each seasonal page four to six weeks ahead.
| Month | Avg temp | Jobs to plan for (our suggestion) |
|---|---|---|
| January | 20°F | leak repairs and ice dam calls, booking spring work |
| February | 22°F | leak repairs and ice dam calls, booking spring work |
| March | 31°F | leak repairs and ice dam calls, booking spring work |
| April | 43°F | inspections and replacement quotes |
| May | 55°F | inspections and replacement quotes |
| June | 65°F | full replacements, gutters |
| July | 69°F | full replacements, gutters |
| August | 67°F | full replacements, gutters |
| September | 60°F | full replacements, gutters |
| October | 48°F | inspections and replacement quotes |
| November | 36°F | inspections and replacement quotes |
| December | 26°F | leak repairs and ice dam calls, booking spring work |
Temperatures: NOAA NCEI nClimDiv statewide data. Job column: our planning suggestion, not survey data.
How many roofing contractors compete in Michigan’s main cities?
| City | County | Businesses with staff | Residents per business |
|---|---|---|---|
| Detroit | Wayne County | 43 | 40,725 |
| Grand Rapids | Kent County | 38 | 17,404 |
| Warren | Macomb County | 44 | 19,889 |
| Sterling Heights | Macomb County | 44 | 19,889 |
| Ann Arbor | Washtenaw County | 14 | 26,110 |
Competition is tightest around Grand Rapids (Kent County), with one business for every 17,404 residents, and loosest around Detroit, at one per 40,725.
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 Michigan?
The Census Bureau counted 474 businesses with employees in Michigan in 2022, in the category “Roofing contractors”. That ranks Michigan 19th of 50 states, a mid-sized market, and 2% of the US total. 74% of them have fewer than 10 staff, and 60 have 20 or more.
Together they employ 4,390 people, with an average yearly payroll of $807,806 per business. The three busiest counties hold 32% of them, so the work is spread across the state.
With 10,037,261 residents (Census, July 2023), that is one business for every 21,176 people, against 13,628 nationally: more residents per business than the US average, so each business has more homes to serve.
Michigan next to its neighbors
| State | Businesses | Residents per business | Under 10 staff |
|---|---|---|---|
| Michigan | 474 | 21,176 | 74% |
| Illinois | 1,012 | 12,401 | 84% |
| Indiana | 512 | 13,403 | 79% |
| Minnesota | 497 | 11,545 | 85% |
| Ohio | 866 | 13,610 | 81% |
| Wisconsin | 489 | 12,088 | 82% |
Counties with the most roofing contractors
| County | Businesses | Residents per business |
|---|---|---|
| Oakland County | 63 | 20,165 |
| Macomb County | 44 | 19,889 |
| Wayne County | 43 | 40,725 |
| Kent County | 38 | 17,404 |
| Ottawa County | 26 | 11,668 |
| Livingston County | 18 | 10,931 |
| Kalamazoo County | 15 | 17,481 |
| Genesee County | 14 | 28,680 |
| Washtenaw County | 14 | 26,110 |
| Grand Traverse County | 12 | 8,035 |
35 of Michigan’s counties have at least one. Source: US Census Bureau, County Business Patterns 2022.
How big are they?
Businesses by number of employees, 2022: 280 with 1-4 staff, 69 with 5-9 staff, 65 with 10-19 staff, 46 with 20-49 staff, 14 with 50+ staff.
Where Michigan is growing
New homes and new owners bring new work. Michigan's population changed -0.3% from July 2020 to July 2023. The fastest-growing counties with 50,000 or more people:
- Montcalm County: 68,154 people, +2.3% since 2020, 0 roofing contractors
- Ottawa County: 303,372 people, +2.2% since 2020, 26 roofing contractors
- Newaygo County: 51,108 people, +2.0% since 2020, 5 roofing contractors
- Barry County: 63,808 people, +1.9% since 2020, 5 roofing contractors
- Marquette County: 66,999 people, +1.5% since 2020, 3 roofing contractors
Source: US Census Bureau, County Population Estimates, Vintage 2023.
Which code applies in Michigan?
Michigan uses the 2021 edition of the International Residential Code (IRC) (2021 Michigan Residential Code effective 2025-08-29; older trackers still show 2015). Homeowners rarely ask about code editions, but inspectors do, and a line on your service pages saying your work meets the current 2021 code answers the question before it comes up.
What should a Michigan roofer website show?
- Your license or registration number where people can see it, even where the state does not require it in ads.
- A service area list that names real counties and towns, for example Oakland County, Macomb County and Wayne County.
- Seasonal pages published before May, so they are found when demand starts.
- Real reviews from local jobs, with the town named, and photos of your own work.
Michigan questions
Who licenses roofers in Michigan?
LARA Bureau of Construction Codes. No separate roofing license found. Residential roofing is done under a Residential Builder or Maintenance and Alteration (M&A) license. The license is required once a project's total contract price reaches $600. Splitting jobs to dodge the threshold is not allowed. Applicants need 60 hours of approved prelicensure education and a PSI exam, per LARA-related sources.
How many roofing contractors are there in Michigan?
The US Census Bureau counted 474 businesses with employees in Michigan in 2022 in the category Roofing contractors, and 74% of them have fewer than 10 staff.
Which county in Michigan has the most roofing contractors?
Oakland County, with 63 businesses with employees in 2022 (Census County Business Patterns).
Do I need my license number on my website in Michigan?
Residential builders and M&A contractors must put name, license number and actual business address in all advertising. A phone or PO box alone is not allowed. Rule: Mich. Admin. Code R 338.1532. Advertising rules for electrical, plumbing and mechanical licensees: unknown.
Which edition of the International Residential Code (IRC) does Michigan use?
The 2021 edition. 2021 Michigan Residential Code effective 2025-08-29; older trackers still show 2015.
What do people in Detroit search for when they need a roofer?
Google autocomplete for Detroit shows searches such as “detroit roofer fight”, “detroit roofers of belleville”, “detroit roofers of birmingham” and “detroit roofers of royal oak”.
Sources
- US Census Bureau, County Business Patterns 2022 (state and county files)
- US Census Bureau, City, Town and County Population Estimates, Vintage 2023
- NOAA NCEI, nClimDiv statewide temperature and degree days, 1991 to 2020
- Google autocomplete suggestions for the cities named, checked November 2026
- https://www.legislature.mi.gov/Laws/MCL?objectName=mcl-339-2403
- https://www.legislature.mi.gov/Laws/MCL?objectName=mcl-339-2401
- https://www.law.cornell.edu/regulations/michigan/Mich-Admin-Code-R-338-1532
- https://www.icc-nta.org/code-update/2021-michigan-residential-code-filed/
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