The Roofing Book

Permitting Authorities / City of Westland - Building Division

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

Adopted code

City of Westland - Building Division

Yes, a permit is required to replace a roof in Westland, MI, issued by City of Westland - Building Division. A re-roof in Westland usually needs a building permit: the Building Division lists re-roofing among the renovations for which "A building permit is usually required", and its building permit application lists Roof among the purposes of a project. The application is a PDF form on the division's pages; inspections can be scheduled online with the city's scheduling tool, by email, by phone or in person, and permits can be paid for online, by mail or in person at City Hall. Building permit fees follow the value of the work: "Minimum Permit Fee for all Permits shall be $100.00 not including Administration fee or Plan Review fees", a "Permit Administration fee of $100.00 shall apply for all Permits issued (Non-Refundable)", and "Installations made without first obtaining permit shall be $110.00 plus the permit fee." The Building Division "requires that contractors, residential maintenance providers, and alteration contractors register with the City." The Building Division is at Westland City Hall, 36300 Warren Road, Westland, MI 48185, 734-467-3210, open Monday through Friday, 9 am to 5 pm.

Roof code checklist: Westland, MI

ItemAnswerCode citeSourceVerified
Permit to replace a roofYescityofwestland.com2026-10-02
Repair permit thresholdPublishedcityofwestland.com2026-10-02
Layer limit / roof-overPublishedR908.3.1.1codes.iccsafe.org2026-10-02
Deck & sheathingPublishedR905.2.1codes.iccsafe.org2026-10-02
Drip edgeYesR905.2.8.5codes.iccsafe.org2026-10-02
Ice & water shieldYesR905.1.2ars.apps.lara.state.mi.us2026-10-02
Mid-roof inspectionNot published
Impact-resistant (Class 4) roofingNoars.apps.lara.state.mi.us2026-10-02
Wind design criteriaNot published
Adopted codePublishedSec. 22-37ars.apps.lara.state.mi.us2026-10-02
Contractor license / registrationYeslegislature.mi.gov2026-10-02
Sales & use taxPublishedlegislature.mi.gov2026-10-02

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 Westland, Michigan
Jurisdiction type
city
Address
36300 Warren Road, Westland, MI 48185
Contact
  • url: https://www.cityofwestland.com/194/Building-Division
  • phone: 734-467-3210
  • email: [email protected]
Permit portal
Permit portal
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: Westland registers contractors under City Code Chapter 22, Article VIII: "No person shall engage in the business of or act in the capacity of a residential builder or residential maintenance and alteration contractor in the city without first obtaining a registration certificate from the director of building." A maintenance and alteration certificate names the crafts it covers, and "roofing and siding" is one of them (Section 22-214). Section 22-213 says no certificate is issued "unless such person is licensed as a residential builder or residential maintenance and alteration contractor" by the state board. The building permit fee sheet charges $15.00 for registration of a state-issued contractor's licence.
Permit process note
A re-roof in Westland usually needs a building permit: the Building Division lists re-roofing among the renovations for which "A building permit is usually required", and its building permit application lists Roof among the purposes of a project. The application is a PDF form on the division's pages; inspections can be scheduled online with the city's scheduling tool, by email, by phone or in person, and permits can be paid for online, by mail or in person at City Hall. Building permit fees follow the value of the work: "Minimum Permit Fee for all Permits shall be $100.00 not including Administration fee or Plan Review fees", a "Permit Administration fee of $100.00 shall apply for all Permits issued (Non-Refundable)", and "Installations made without first obtaining permit shall be $110.00 plus the permit fee." The Building Division "requires that contractors, residential maintenance providers, and alteration contractors register with the City." The Building Division is at Westland City Hall, 36300 Warren Road, Westland, MI 48185, 734-467-3210, open Monday through Friday, 9 am to 5 pm.
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 Westland as its own building code enforcer. The city's Building Division lists the 2015 Michigan Residential Code among the standards it enforces, and City Code Section 22-37 adopts the Michigan Residential Code by reference without naming an edition.
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). Westland's building ordinance, City Code Chapter 22 (read in full), states nothing further on drip edge. 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). Westland's building ordinance, City Code Chapter 22 (read in full), states nothing further on ice barrier. 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." Westland's building ordinance, City Code Chapter 22 (read in full), adopts the state codes and adds no roof-covering rule; no UL 2218 or Class 4 impact requirement appears in it.
Repair permit threshold
Westland names re-roofing as permit work, with a hedge: its Building Division says "A building permit is usually required for:" and lists "Renovations (garage conversions, basement furnishings, kitchen expansions, re-roofing, etc.)". Its building permit application lists Roof among the purposes of a project. The division's Permit Required page says to "check with the Building Division to learn if your project requires a permit" and gives no size, square or dollar point below which roof repair needs no permit, and City Code Chapter 22 (Buildings and Building Regulations), read in full, adopts the Michigan Residential Code and sets no repair threshold of its own. The state part: Michigan's construction code act says "A building permit is not required for ordinary repairs of a building or structure" and does not define ordinary repairs. For a small repair, ask the Building Division (734-467-3210) before starting.
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." Westland's own building ordinance, City Code Chapter 22 (Buildings and Building Regulations), was read in full: Section 22-37 adopts the Michigan Residential Code by reference and takes on its enforcement, and nothing in the chapter touches the reroofing section, so the state limit applies unchanged.
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). Westland's building ordinance, City Code Chapter 22 (read in full), states nothing further on roof sheathing.
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 Westland adds no sales tax of its own, so 6% is the whole rate on a job there.

More roof permit pages in Michigan

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The City of Westland's Building Division, part of the Planning and Building Department at Westland City Hall, 36300 Warren Road, issues building and trade permits in Westland, inspects the work and registers contractors. It lists re-roofing among the projects that usually need a building permit. 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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Roofing questions: Westland, MI

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

Yes, a permit is required to replace a roof in Westland, MI. Westland names re-roofing as permit work, with a hedge: its Building Division says "A building permit is usually required for:" and lists "Renovations (garage conversions, basement furnishings, kitchen expansions, re-roofing, etc.)". Its building permit application lists Roof among the purposes of a project. The division's Permit Required page says to "check with the Building Division to learn if your project requires a permit" and gives no size, square or dollar point below which roof repair needs no permit, and City Code Chapter 22 (Buildings and Building Regulations), read in full, adopts the Michigan Residential Code and sets no repair threshold of its own. The state part: Michigan's construction code act says "A building permit is not required for ordinary repairs of a building or structure" and does not define ordinary repairs. For a small repair, ask the Building Division (734-467-3210) before starting.

Is ice & water shield required in Westland, 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). Westland's building ordinance, City Code Chapter 22 (read in full), states nothing further on ice barrier.

Is drip edge required in Westland, 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). Westland's building ordinance, City Code Chapter 22 (read in full), states nothing further on drip edge.

Can you roof over an existing roof in Westland, 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." Westland's own building ordinance, City Code Chapter 22 (Buildings and Building Regulations), was read in full: Section 22-37 adopts the Michigan Residential Code by reference and takes on its enforcement, and nothing in the chapter touches the reroofing section, so the state limit applies unchanged.

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

Yes.

What building code does Westland, 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 Westland as its own building code enforcer. The city's Building Division lists the 2015 Michigan Residential Code among the standards it enforces, and City Code Section 22-37 adopts the Michigan Residential Code by reference without naming an edition.