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Permitting Authorities / City of Wyandotte - Department of Engineering and Building

Do you need a permit to replace a roof in Wyandotte, MI?

Adopted code

City of Wyandotte - Department of Engineering and Building

Yes, a permit is required to replace a roof in Wyandotte, MI, issued by City of Wyandotte - Department of Engineering and Building. Plan on a building permit for a reroof in Wyandotte, on the Department of Engineering and Building's Application for Alterations: mark "Strip and Reroof" for the house, garage or shed, give the estimated cost, and say whether the permit is to correct cited violations. The residential building permit fee schedule (effective 02/13/2017) charges a $50.00 base fee "Plus $13.00 per $1,000 to $250,000 (starting at $0)", and $40.00 for each reinspection. Contractors register with the department first (see the registration details). Department of Engineering and Building, 3200 Biddle Ave., Ste. 200, Wyandotte, MI 48192, (734) 324-4551.

Roof code checklist: Wyandotte, MI

ItemAnswerCode citeSourceVerified
Permit to replace a roofYeswyandottemi.gov2026-10-03
Repair permit thresholdPublishedwyandottemi.gov2026-10-03
Layer limit / roof-overPublishedR908.3.1.1codes.iccsafe.org2026-10-15
Deck & sheathingPublishedR905.2.1codes.iccsafe.org2026-10-03
Drip edgeYesR905.2.8.5codes.iccsafe.org2026-10-03
Ice & water shieldYesR905.1.2ars.apps.lara.state.mi.us2026-10-03
Mid-roof inspectionNot published
Impact-resistant (Class 4) roofingNoars.apps.lara.state.mi.us2026-10-03
Wind design criteriaNot published
Adopted codePublishedSec. 170.022ars.apps.lara.state.mi.us2026-10-15
Contractor license / registrationYeslegislature.mi.gov2026-10-03
Sales & use taxPublishedlegislature.mi.gov2026-10-03

Each row comes from the sourced record on this page; full wording is in the table below. "Not published" means no official source for that item was found when the record was last verified.

Jurisdiction
City of Wyandotte, Michigan
Jurisdiction type
city
Address
3200 Biddle Avenue, Suite 200, Wyandotte, MI 48192
Contact
  • url: https://www.wyandottemi.gov/200/Engineering-Building-Department
  • phone: 734-324-4551
Roofing permit required
Required
Contractor registration required
Required
Registration details
  • state_level: Michigan licenses residential maintenance and alteration contractors under the Occupational Code, and that licence "includes the following crafts and trades" among which it names roofing (MCL 339.2404(3)); "A person shall not engage in or attempt to engage in the practice of an occupation regulated under this act" without the licence (MCL 339.601(1)). MCL 339.2403 lists who may work without one, including a project whose "aggregate contract price for the labor, material, and any other items for the undertaking or project is less than $600.00". This record does not decide whether a given roofer falls inside an exemption.
  • city_level: Wyandotte registers contractors before they pull permits: its Contractor License Registration form asks for the contractor's licence number and says "Copies of current license, driver's license and insurance to be attached", with "Registration Fee: $45.00 (Registration expires when license expires.)" (form updated 05/22/14), while the building fee schedule (effective 02/13/2017) lists "Registration of Residential Builders License" at $15.00; confirm the current fee with the department.
Permit process note
Plan on a building permit for a reroof in Wyandotte, on the Department of Engineering and Building's Application for Alterations: mark "Strip and Reroof" for the house, garage or shed, give the estimated cost, and say whether the permit is to correct cited violations. The residential building permit fee schedule (effective 02/13/2017) charges a $50.00 base fee "Plus $13.00 per $1,000 to $250,000 (starting at $0)", and $40.00 for each reinspection. Contractors register with the department first (see the registration details). Department of Engineering and Building, 3200 Biddle Ave., Ste. 200, Wyandotte, MI 48192, (734) 324-4551.
Adopted code
2015 Michigan Residential Code. This is state law and it is the same in every Michigan city, village, township and county: the state construction code act says "This act and the code apply throughout the state," and the Michigan Residential Code rule adopts "the international residential code, 2015 edition" with the state amendments in R 408.30500 to R 408.30547g. A 2021 edition was filed with the secretary of state in 2025 but has not taken effect. On July 7, 2025 the Michigan Court of Claims entered a stipulated order in Home Builders Assoc et al. v LARA et al., and the Michigan Department of Licensing and Regulatory Affairs (LARA) says that while that order remains in place "the 2015 versions of the IRC and residential provisions of the IECC standards currently adopted, in part, by each rule set will remain valid and in effect." LARA's Statewide Jurisdiction List names the City of Wyandotte as its own building code enforcing agency, and the city's Building Code page says "The City of Wyandotte has adopted the 2015 Michigan Building Code, 2015 Michigan Residential Code". The city's Code of Ordinances agrees: Section 170.022 adopts the document "designated as the 2015 Michigan Residential Code, including all appendices," for "detached one- and two-family dwellings, their appurtenances and accessory structures" (Ord. 1506, passed 4-26-2021), and Section 170.021 adopts the "2021 Michigan Building Code, including Appendices F, G, and H" (Ord. 1553, passed 5-12-2025), which is not the code for houses.
Drip edge
Required — Required on asphalt shingle roofs by state law. Michigan makes no amendment to the drip edge rule of the 2015 International Residential Code, Section R905.2.8.5, which applies as published: "A drip edge shall be provided at eaves and rake edges of shingle roofs." Segments overlap by at least 2 inches, the drip edge extends at least 1/4 inch below the roof sheathing and at least 2 inches back onto the deck, it is fastened at no more than 12 inches on center, and underlayment goes over it at the eaves and under it at the rakes. A reroof is held to the same rule, because "Materials and methods of application used for re-covering or replacing an existing roof covering shall comply with the requirements of Chapter 9" (R908.1). The City of Wyandotte's Building Code page says the city "has adopted the 2015 Michigan Building Code, 2015 Michigan Residential Code" and states nothing further on roofing, and the city's Chapter 170 Building Regulations has no roofing provision. About drip edge
Ice & water shield
Required — Required everywhere in Michigan by state law. Michigan fills in the climatic design table of the 2015 code once for the whole state (Rule 516, Table R301.2(1)), and its ice barrier underlayment column reads Yes. The state footnote calls for Yes "for areas where the average daily temperature in January is 25 degrees Fahrenheit" or less, or where ice damming has caused damage. The base code then requires an ice barrier "for asphalt shingles, metal roof shingles, mineral-surfaced roll roofing, slate and slate-type shingles, wood shingles and wood shakes," running "from the lowest edges of all roof surfaces to a point not less than 24 inches (610 mm) inside the exterior wall line of the building" (R905.1.2). Detached accessory structures without conditioned floor area are exempt. On a tear-off, an existing ice barrier that is adhered to the deck may stay and be covered with an additional layer (R908.3, Exception). The City of Wyandotte's Building Code page says the city "has adopted the 2015 Michigan Building Code, 2015 Michigan Residential Code" and states nothing further on roofing, and the city's Chapter 170 Building Regulations has no roofing provision. About ice & water barrier
Impact-resistant roofing
Not required — No impact-resistance requirement under state law. The 2015 Michigan Residential Code was searched in full and has no hail or impact rating rule for roof coverings: the words hail, impact and UL 2218 do not appear in it, and none of them appears in the roof assemblies chapter of the base 2015 International Residential Code either. Michigan applies one code statewide ("This act and the code apply throughout the state."), and the act gives the power to amend it to the state director, who adopts the model codes "with amendments, additions, or deletions as the director determines appropriate." The City of Wyandotte's Building Code page says the city "has adopted the 2015 Michigan Building Code, 2015 Michigan Residential Code" and states nothing further on roofing, and the city's Chapter 170 Building Regulations has no roofing provision.
Repair permit threshold
Wyandotte treats a reroof as permit work: the Department of Engineering and Building posts a "Siding, Windows, Re-roofing, Exterior Basement Waterproofing Application", and that Application for Alterations (updated 01/21/2021) has a line for "Strip and Reroof" of a house, garage or shed and says "Location, Ownership, and Detail must be correct, complete, and legible before a Building Permit will be issued." The city publishes no size or dollar line below which roof work needs no permit. State law requires that "before construction of a building or structure, the owner, or the owner's builder, architect, engineer, or agent, shall submit an application in writing to the appropriate enforcing agency for a building permit" (MCL 125.1510(1)), and the act defines construction to mean "the construction, erection, reconstruction, alteration, conversion, demolition, repair, moving, or equipping of buildings or structures" (MCL 125.1502a(n)). The same section says "A building permit is not required for ordinary repairs of a building or structure." (MCL 125.1510(7)), without defining ordinary repairs, and the permit exemptions in the Michigan Residential Code name no roofing.
Roof layer limit / recover
Two layers at most, under state law. Michigan builds one- and two-family homes to the 2015 Michigan Residential Code, which adopts the 2015 International Residential Code and makes no amendment to its reroofing section, Section R908; the Michigan rule set was searched in full and R908 does not appear in it. The base section therefore applies as the International Code Council publishes it. Section R908.3.1.1 lists the conditions under which a new roof may not be laid over an existing one, and the third is "Where the existing roof has two or more applications of any type of roof covering." One existing layer may be covered once; a roof that already carries two layers is torn off to the deck. The same section also bars covering a roof that is water soaked or too deteriorated to serve as a base, and covering "slate, clay, cement or asbestos-cement tile." The City of Wyandotte's Building Code page says the city has adopted the 2015 Michigan Residential Code; the city's code of ordinances, Chapter 170 Building Regulations; Construction, was read for this record, including its adoption sections 170.021 and 170.022 and its additional building and residential code requirements, and contains no local reroofing or layer rule, so the state rule stands.
Deck & sheathing requirements
State law, from the base code. Michigan makes no amendment to the roof sheathing section of the 2015 International Residential Code, Section R803, which does not appear in the Michigan rule set, so it applies as published. Lumber roof sheathing follows Table R803.1: over rafters or beams 24 inches apart it must be at least 5/8 inch net thick. Wood structural panels must be identified "for grade, bond classification and performance category by a grade mark or certificate of inspection issued by an approved agency," and their spans may not exceed "the values set forth in Table R503.2.1.1(1), or APA E30." For a shingle roof the base code adds that "Asphalt shingles shall be fastened to solidly sheathed decks" (R905.2.1), and on any reroof "The structural roof components shall be capable of supporting the roof covering system" (R908.2). The City of Wyandotte's Building Code page says the city "has adopted the 2015 Michigan Building Code, 2015 Michigan Residential Code" and states nothing further on roofing, and the city's Chapter 170 Building Regulations has no roofing provision.
Sales & use tax
6%, statewide, with no local add-on. This is state law: the General Sales Tax Act sets the tax "equal to 6% of the gross proceeds of the business," the Use Tax Act sets "a total combined rate equal to 6%," and the Michigan Department of Treasury says "Michigan does not allow city or local units to impose sales tax." On a roofing job the roofer is the taxpayer on materials, because the Use Tax Act counts as a consumer "A person acquiring tangible personal property if engaged in the business of constructing, altering, repairing, or improving the real estate of others." The City of Wyandotte adds no sales tax of its own, so 6% is the whole rate on a job there.

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The City of Wyandotte Department of Engineering and Building, at 3200 Biddle Avenue, Suite 200, handles inspections, permits and plan reviews in Wyandotte, and its Application for Alterations has its own line for a strip and reroof. Michigan applies one residential code statewide, so the roofing rules below are state law; the city enforces them and sets its own permit fees.

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Sources

Roofing questions: Wyandotte, MI

Do you need a permit to replace a roof in Wyandotte, MI?

Yes, a permit is required to replace a roof in Wyandotte, MI. Wyandotte treats a reroof as permit work: the Department of Engineering and Building posts a "Siding, Windows, Re-roofing, Exterior Basement Waterproofing Application", and that Application for Alterations (updated 01/21/2021) has a line for "Strip and Reroof" of a house, garage or shed and says "Location, Ownership, and Detail must be correct, complete, and legible before a Building Permit will be issued." The city publishes no size or dollar line below which roof work needs no permit. State law requires that "before construction of a building or structure, the owner, or the owner's builder, architect, engineer, or agent, shall submit an application in writing to the appropriate enforcing agency for a building permit" (MCL 125.1510(1)), and the act defines construction to mean "the construction, erection, reconstruction, alteration, conversion, demolition, repair, moving, or equipping of buildings or structures" (MCL 125.1502a(n)). The same section says "A building permit is not required for ordinary repairs of a building or structure." (MCL 125.1510(7)), without defining ordinary repairs, and the permit exemptions in the Michigan Residential Code name no roofing.

Is ice & water shield required in Wyandotte, MI?

Yes. Required everywhere in Michigan by state law. Michigan fills in the climatic design table of the 2015 code once for the whole state (Rule 516, Table R301.2(1)), and its ice barrier underlayment column reads Yes. The state footnote calls for Yes "for areas where the average daily temperature in January is 25 degrees Fahrenheit" or less, or where ice damming has caused damage. The base code then requires an ice barrier "for asphalt shingles, metal roof shingles, mineral-surfaced roll roofing, slate and slate-type shingles, wood shingles and wood shakes," running "from the lowest edges of all roof surfaces to a point not less than 24 inches (610 mm) inside the exterior wall line of the building" (R905.1.2). Detached accessory structures without conditioned floor area are exempt. On a tear-off, an existing ice barrier that is adhered to the deck may stay and be covered with an additional layer (R908.3, Exception). The City of Wyandotte's Building Code page says the city "has adopted the 2015 Michigan Building Code, 2015 Michigan Residential Code" and states nothing further on roofing, and the city's Chapter 170 Building Regulations has no roofing provision.

Is drip edge required in Wyandotte, MI?

Yes. Required on asphalt shingle roofs by state law. Michigan makes no amendment to the drip edge rule of the 2015 International Residential Code, Section R905.2.8.5, which applies as published: "A drip edge shall be provided at eaves and rake edges of shingle roofs." Segments overlap by at least 2 inches, the drip edge extends at least 1/4 inch below the roof sheathing and at least 2 inches back onto the deck, it is fastened at no more than 12 inches on center, and underlayment goes over it at the eaves and under it at the rakes. A reroof is held to the same rule, because "Materials and methods of application used for re-covering or replacing an existing roof covering shall comply with the requirements of Chapter 9" (R908.1). The City of Wyandotte's Building Code page says the city "has adopted the 2015 Michigan Building Code, 2015 Michigan Residential Code" and states nothing further on roofing, and the city's Chapter 170 Building Regulations has no roofing provision.

Can you roof over an existing roof in Wyandotte, MI?

Two layers at most, under state law. Michigan builds one- and two-family homes to the 2015 Michigan Residential Code, which adopts the 2015 International Residential Code and makes no amendment to its reroofing section, Section R908; the Michigan rule set was searched in full and R908 does not appear in it. The base section therefore applies as the International Code Council publishes it. Section R908.3.1.1 lists the conditions under which a new roof may not be laid over an existing one, and the third is "Where the existing roof has two or more applications of any type of roof covering." One existing layer may be covered once; a roof that already carries two layers is torn off to the deck. The same section also bars covering a roof that is water soaked or too deteriorated to serve as a base, and covering "slate, clay, cement or asbestos-cement tile." The City of Wyandotte's Building Code page says the city has adopted the 2015 Michigan Residential Code; the city's code of ordinances, Chapter 170 Building Regulations; Construction, was read for this record, including its adoption sections 170.021 and 170.022 and its additional building and residential code requirements, and contains no local reroofing or layer rule, so the state rule stands.

Do roofing contractors need a license or registration in Wyandotte, MI?

Yes.

What building code does Wyandotte, MI use?

2015 Michigan Residential Code. This is state law and it is the same in every Michigan city, village, township and county: the state construction code act says "This act and the code apply throughout the state," and the Michigan Residential Code rule adopts "the international residential code, 2015 edition" with the state amendments in R 408.30500 to R 408.30547g. A 2021 edition was filed with the secretary of state in 2025 but has not taken effect. On July 7, 2025 the Michigan Court of Claims entered a stipulated order in Home Builders Assoc et al. v LARA et al., and the Michigan Department of Licensing and Regulatory Affairs (LARA) says that while that order remains in place "the 2015 versions of the IRC and residential provisions of the IECC standards currently adopted, in part, by each rule set will remain valid and in effect." LARA's Statewide Jurisdiction List names the City of Wyandotte as its own building code enforcing agency, and the city's Building Code page says "The City of Wyandotte has adopted the 2015 Michigan Building Code, 2015 Michigan Residential Code". The city's Code of Ordinances agrees: Section 170.022 adopts the document "designated as the 2015 Michigan Residential Code, including all appendices," for "detached one- and two-family dwellings, their appurtenances and accessory structures" (Ord. 1506, passed 4-26-2021), and Section 170.021 adopts the "2021 Michigan Building Code, including Appendices F, G, and H" (Ord. 1553, passed 5-12-2025), which is not the code for houses.