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Permitting Authorities / Monitor Charter Township - Building Department

Do you need a permit to replace a roof in Charter Township of Monitor, MI?

Adopted code

Monitor Charter Township - Building Department

The Monitor Charter Township Building Department, at the township offices at 2483 Midland Road in Bay City, issues building permits and inspects construction in the township. It says a building permit is required for structural work on a home and that siding and same-size window replacement need none; it does not mention roofing. Michigan applies one residential code statewide, so the roofing rules below are state law that the township enforces.

Roof code checklist: Charter Township of Monitor, MI

ItemAnswerCode citeSourceVerified
Permit to replace a roofNot published
Repair permit thresholdNot published
Layer limit / roof-overPublishedR908.3.1.1codes.iccsafe.org2026-10-03
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 codePublishedars.apps.lara.state.mi.us2026-10-03
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
Charter Township of Monitor, Michigan
Jurisdiction type
city
Address
2483 Midland Road, Bay City, MI 48706
Contact
  • url: https://monitortwp.gov/building-department/
  • phone: 989-684-7203
  • email: [email protected]
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: Monitor Township asks contractors to register: its page says "If you haven`t registered with Monitor Township, please fax a completed registration form to the Building Department at 989-684-9234." The form (updated 09/24/2009) asks for the contractor's state licence number and expiration date and a copy of the licence, and says "There is NO Fee for registration"; that step files the state licence and sets no separate township credential.
Permit process note
Monitor Charter Township has published nothing that names roof work either way. Its Building Department page says "A building permit is required when any type of structural work is done on your home," lists examples ("any deck or porch raised off the ground, additions, garages, sheds over 200 sq. ft., changing the size of the existing windows, adding or changing interior walls, or finishing interior attic or basement space"), and adds "A building permit is NOT REQUIRED for adding or changing the exterior siding or replacing same-size windows"; roofing is not mentioned, and the township's application fee list has no roofing line. State law requires a permit before construction and says "A building permit is not required for ordinary repairs of a building or structure," without defining ordinary repairs; this record does not decide whether a reroof is one, so ask the Building Department before starting. To obtain a building permit the department asks for "A completed Building Permit Application" and one set of construction plans for residential work; the application asks for the contractor's builder's licence number and expiration date and the value of construction, and permits can be paid online through the township's payment link. The Building Department is at 2483 Midland Road, Bay City, MI 48706, (989) 684-7203, [email protected], open Monday through Wednesday 8:00 am to 12:00 pm and 1:00 pm to 6:00 pm, and Thursday 8:00 am to 12:00 pm and 1:00 pm to 5:00 pm; the building inspector's line is 989-450-0194.
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 Township of Monitor as its own building code enforcer. The township's posted ordinances (its Ordinances page lists 22, mostly zoning and public-safety ordinances) include no building code adoption ordinance, and its Building Department page names no code 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). The Monitor Township Building Department page and building permit application state 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). The Monitor Township Building Department page and building permit application state 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." The Monitor Township Building Department page and building permit application state nothing further on roof covering ratings.
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 township's Ordinances page posts no building code ordinance, and its Building Department page and building permit application state no local roofing rule.
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 Monitor Township Building Department page and building permit application state 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." Monitor Charter Township adds no sales tax of its own, so 6% is the whole rate on a job there.

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Sources

Roofing questions: Charter Township of Monitor, MI

Is ice & water shield required in Charter Township of Monitor, 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 Monitor Township Building Department page and building permit application state nothing further on ice barrier.

Is drip edge required in Charter Township of Monitor, 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 Monitor Township Building Department page and building permit application state nothing further on drip edge.

Can you roof over an existing roof in Charter Township of Monitor, 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 township's Ordinances page posts no building code ordinance, and its Building Department page and building permit application state no local roofing rule.

Do roofing contractors need a license or registration in Charter Township of Monitor, MI?

Yes.

What building code does Charter Township of Monitor, 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 Township of Monitor as its own building code enforcer. The township's posted ordinances (its Ordinances page lists 22, mostly zoning and public-safety ordinances) include no building code adoption ordinance, and its Building Department page names no code edition.