The Roofing Book

Permitting Authorities / Township of Mount Holly - Construction Department

Do you need a permit to replace a roof in Township of Mount Holly, NJ?

Adopted code

Township of Mount Holly - Construction Department

Yes, a permit is required to replace a roof in Township of Mount Holly, NJ, issued by Township of Mount Holly - Construction Department. The Township of Mount Holly publishes a permit rule for roofing that the state rule does not make for a detached one- or two-family house. Section 96-3 of the Township Code says "No building or structure, or part thereof, shall be erected, constructed, reconstructed, rehabilitated, structurally altered, moved or demolished until there has been issued by the Chief Construction Official a construction permit pursuant to N.J.S.A 52:27D-119 et seq., provided that the replacement of roofing and exterior siding materials shall not be considered as ordinary repairs pursuant to the regulations adopted by the State of New Jersey governing the Construction Code." and its fee schedule, Section 96-4A(9), reads: "The fee for a roof permit for a single-family dwelling (Use Groups R-3 and R-4 only) shall be calculated as outlined in § 94-4A(2) above." The state rule, N.J.A.C. 5:23-2.7(c), lists "The repair or replacement of existing roof covering on detached one- and two-family dwellings" among items that "are ordinary maintenance and shall be treated as such by every enforcing agency," and says "No permit for, inspections of, or notice to the enforcing agency of ordinary maintenance shall be required." The State Uniform Construction Code Act, N.J.S.A. 52:27D-123.1, says "Any law or regulation to the contrary notwithstanding," the "alteration, renovation, rehabilitation, repair, maintenance, removal, or demolition of all buildings or structures already erected shall be regulated pursuant to the 'State Uniform Construction Code Act.'" This record does not decide whether the Township's provision is lawful under those provisions. In practice, a roofer should expect the Construction Department to treat roof replacement as permit work, as the Township Code reads. Reroofing a townhouse or other attached dwelling, or any other building, needs a permit under the state rule in any case. Section 96-4A(2) prices renovations, alterations and repairs at "$46 per $1,000, or a fraction thereof, for the first $50,000 of estimated cost of construction," with "the minimum fee of $75." The Construction Department is at 23 Washington Street, open Monday 9:00 a.m. to 5:30 p.m. and Tuesday through Thursday 9:00 a.m. to 3:00 p.m., closed Friday; its page gives no separate phone line (the Township's number is 609-845-1100) and says email and the drop box are preferred. It says "Per adopted UCC law, all construction inspection requests are to be in writing" and asks for requests by email to [email protected]. Permit applications are the state's construction permit forms, and the Township's Forms and Documents page lists a Building Permit Jacket, Permit Tech Sheets and an Application for Dumpsters Permit.

Roof code checklist: Township of Mount Holly, NJ

ItemAnswerCode citeSourceVerified
Permit to replace a roofYesnjac_5_23_2.pdf2026-10-02
Repair permit thresholdPublishednjac_5_23_2.pdf2026-10-02
Layer limit / roof-overPublishednjac_5_23_6.pdf2026-10-02
Deck & sheathingNot published
Drip edgeNot published
Ice & water shieldNot published
Mid-roof inspectionNonjac_5_23_2.pdf2026-10-02
Impact-resistant (Class 4) roofingNo52_27D_119.pdf2026-10-02
Wind design criteriaNot published
Adopted codePublishednjac_5_23_3.pdf2026-10-02
Contractor license / registrationYespub.njleg.gov2026-10-02
Sales & use taxPublishedsu3.pdf2026-10-02

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
Township of Mount Holly, New Jersey
Jurisdiction type
city
Address
23 Washington Street, Mount Holly, NJ 08060
Contact
  • url: https://twp.mountholly.nj.us/departments/construction
  • phone: 609-845-1100
Roofing permit required
Required
Contractor registration required
Required
Registration details
  • state_level: New Jersey requires home improvement contractors to register with the Division of Consumer Affairs. The Contractors' Registration Act as enacted in 2004 (P.L.2004, c.16), C.56:8-138(a), reads: "No person shall offer to perform, or engage, or attempt to engage in the business of making or selling home improvements unless registered with the Division of Consumer Affairs in accordance with the provisions of this act." The Uniform Construction Code's permit rule, N.J.A.C. 5:23-2.15(b)9, reads: "If work involves a home improvement performed by a contractor, such contractor shall be registered pursuant to N.J.S.A. 56:8-136 et seq. The registration number of the contractor shall appear on the permit application."
  • city_level: Chapter 98 of the Mount Holly Township Code, Contractors, Licensing of (adopted July 7, 1980), reads at Section 98-1: "Every general contractor or contractor for masonry, plastering, carpentry, plumbing or electrical wiring or fixtures or heating or cooling systems shall be licensed by the Construction Official of the Township prior to the issuance of any construction permit." Section 98-2 defines a contractor as "Any person or firm seeking a construction permit except a property owner who is working on his own property in which he resides." Section 98-6 reads: "The fee for a general contractor's licenses shall be $75 and a renewal fee for the same shall be $50 for each subsequent year or portion thereof," and "This license fee shall be waived for those contractors who can present a current registration by the Department of Community Affairs, State of New Jersey." Section 98-3: "All such licenses shall expire on December 31 of each year." Section 98-7 requires evidence of "general liability coverage, including completed operations with bodily injury limits of $100,000 for each occurrence and $300,000 aggregate and $50,000 property damage."
Permit process note
The Township of Mount Holly publishes a permit rule for roofing that the state rule does not make for a detached one- or two-family house. Section 96-3 of the Township Code says "No building or structure, or part thereof, shall be erected, constructed, reconstructed, rehabilitated, structurally altered, moved or demolished until there has been issued by the Chief Construction Official a construction permit pursuant to N.J.S.A 52:27D-119 et seq., provided that the replacement of roofing and exterior siding materials shall not be considered as ordinary repairs pursuant to the regulations adopted by the State of New Jersey governing the Construction Code." and its fee schedule, Section 96-4A(9), reads: "The fee for a roof permit for a single-family dwelling (Use Groups R-3 and R-4 only) shall be calculated as outlined in § 94-4A(2) above." The state rule, N.J.A.C. 5:23-2.7(c), lists "The repair or replacement of existing roof covering on detached one- and two-family dwellings" among items that "are ordinary maintenance and shall be treated as such by every enforcing agency," and says "No permit for, inspections of, or notice to the enforcing agency of ordinary maintenance shall be required." The State Uniform Construction Code Act, N.J.S.A. 52:27D-123.1, says "Any law or regulation to the contrary notwithstanding," the "alteration, renovation, rehabilitation, repair, maintenance, removal, or demolition of all buildings or structures already erected shall be regulated pursuant to the 'State Uniform Construction Code Act.'" This record does not decide whether the Township's provision is lawful under those provisions. In practice, a roofer should expect the Construction Department to treat roof replacement as permit work, as the Township Code reads. Reroofing a townhouse or other attached dwelling, or any other building, needs a permit under the state rule in any case. Section 96-4A(2) prices renovations, alterations and repairs at "$46 per $1,000, or a fraction thereof, for the first $50,000 of estimated cost of construction," with "the minimum fee of $75." The Construction Department is at 23 Washington Street, open Monday 9:00 a.m. to 5:30 p.m. and Tuesday through Thursday 9:00 a.m. to 3:00 p.m., closed Friday; its page gives no separate phone line (the Township's number is 609-845-1100) and says email and the drop box are preferred. It says "Per adopted UCC law, all construction inspection requests are to be in writing" and asks for requests by email to [email protected]. Permit applications are the state's construction permit forms, and the Township's Forms and Documents page lists a Building Permit Jacket, Permit Tech Sheets and an Application for Dumpsters Permit.
Adopted code
The 2024 International Residential Code, New Jersey edition, adopted by the State, with the Rehabilitation Subcode for work on existing buildings. New Jersey has one construction code, the Uniform Construction Code (N.J.A.C. 5:23), which every municipality enforces; municipalities do not adopt building codes of their own (N.J.S.A. 52:27D-123.1 and 52:27D-139). N.J.A.C. 5:23-3.21(a)1 adopts the International Code Council's "2024 International Residential Code known as the IRC/2024 as the one- and two-family dwelling subcode in New Jersey subject to the modifications stated at (c) below," and 3.21(b) applies it to "detached one- and two-family dwellings and townhouses not more than three stories above grade plane in height." The section was rewritten by R.2026 d.086, "effective August 17, 2026," in the Department of Community Affairs' print of the rules "adopted and published through the New Jersey Register, Vol. 58 No. 16," and the Department's Current Construction Codes page lists the "International Residential Code/2024, NJ ed" with an adoption date of Aug 17, 2026. Other buildings fall under the building subcode, the International Building Code/2024, NJ edition (N.J.A.C. 5:23-3.14). Roof work on an existing building is held to the Rehabilitation Subcode: "Existing structures, when repaired, renovated, altered or reconstructed, shall conform to the requirements of N.J.A.C. 5:23-6, Rehabilitation Subcode" (N.J.A.C. 5:23-2.4(a)). A six-month grace period follows the adoption. N.J.A.C. 5:23-1.6(a): "For a period of six months following the operative date of a subcode revision, applicants may submit a complete permit application, including all prior approvals, to be reviewed under the code in force immediately preceding the subcode revision." The rule history gives R.2026 d.086 no date other than its effective date, so on that reading the window runs from August 17, 2026 until about February 17, 2027: a complete application filed inside it may be reviewed under either the prior edition or the 2024 edition, at the applicant's choice, and one filed after it closes is reviewed under the 2024 edition. Everything above is New Jersey state law, the same in every municipality. Locally, the Mount Holly Construction Department page says the department is responsible for enforcing "the regulations of the State Uniform Construction Code" and names no edition; Chapter 96 of the Township Code, which establishes the "Mount Holly Township Code Enforcement Agency," names none either.
Mid-roof inspection
Not required — No mid-roof inspection under state law. Reroofing a detached one- or two-family house is ordinary maintenance, and N.J.A.C. 5:23-2.7(c) says "No permit for, inspections of, or notice to the enforcing agency of ordinary maintenance shall be required." Where a reroof does need a permit, N.J.A.C. 5:23-2.18(b)1 says "Inspections of one- and two-family dwellings for which construction must cease until the inspection is made shall be limited to the following": footing trenches, foundations, utility services and a mid-point inspection, whose building item is "All structural framing, connections, wall and roof sheathing, and insulation." The list names no roof-covering or underlayment stage, and the rule does not say whether its sheathing item reaches a permitted reroof that replaces sheathing. Any further inspection a municipality requires "shall be of the type and nature that construction may continue without interruption" (5:23-2.18(b)3). Everything above is New Jersey state law, the same in every municipality. Locally, the Mount Holly Construction Department page says "Per adopted UCC law, all construction inspection requests are to be in writing" and asks for inspection requests by email; it names no roof-covering or mid-roof inspection.
Impact-resistant roofing
Not required — No impact-resistant roofing requirement under state law. The New Jersey Uniform Construction Code rules that reach a house reroof (the administrative rules in N.J.A.C. 5:23-1 and 5:23-2, the State's amendments to the 2024 International Residential Code at 5:23-3.21, and the Rehabilitation Subcode at 5:23-6) contain no UL 2218, Class 4 or hail-impact requirement for roof coverings. A municipality cannot add one: N.J.S.A. 52:27D-123.1 says "Any law or regulation to the contrary notwithstanding," the "alteration, renovation, rehabilitation, repair, maintenance, removal, or demolition of all buildings or structures already erected shall be regulated pursuant to the 'State Uniform Construction Code Act,'" and under 52:27D-139 local construction regulations were "deemed repealed and superseded" once the state code was promulgated. An owner may still choose an impact-rated roof covering. Everything above is New Jersey state law, the same in every municipality. The Mount Holly Construction Department page states nothing further on roofing.
Repair permit threshold
Section 96-3 of the Mount Holly Township Code (https://ecode360.com/10357324), adopted July 7, 1980 as Sec. 12-1 of the Revised General Ordinances, says "No building or structure, or part thereof, shall be erected, constructed, reconstructed, rehabilitated, structurally altered, moved or demolished until there has been issued by the Chief Construction Official a construction permit pursuant to N.J.S.A 52:27D-119 et seq., provided that the replacement of roofing and exterior siding materials shall not be considered as ordinary repairs pursuant to the regulations adopted by the State of New Jersey governing the Construction Code." The Township fee schedule, Section 96-4A(9), reads: "The fee for a roof permit for a single-family dwelling (Use Groups R-3 and R-4 only) shall be calculated as outlined in § 94-4A(2) above." The state rule below makes no permit demand for reroofing a detached one- or two-family house, and this record does not decide whether the Township's provision is lawful under it; in practice, expect the Township's Construction Department to treat roof replacement as permit work, as its code states. Under state law: No permit and no size limit for reroofing a detached one- or two-family house; a permit for every other building. N.J.A.C. 5:23-2.7(c) lists items that "are ordinary maintenance and shall be treated as such by every enforcing agency" and says "No permit for, inspections of, or notice to the enforcing agency of ordinary maintenance shall be required." Item 1.x is "The repair or replacement of existing roof covering on detached one- and two-family dwellings," with no square-footage or percentage cap. N.J.A.C. 5:23-2.14(b)1 carries this into the permit rule: "Ordinary maintenance as defined in N.J.A.C. 5:23-2.7 shall not require a permit or notice to the enforcing agency." Two limits apply. First, the item covers only detached one- and two-family dwellings. Reroofing a townhouse or other attached dwelling, or any other building, falls under the general permit rule, N.J.A.C. 5:23-2.14(a): "It shall be unlawful to construct, enlarge, repair, renovate, alter, reconstruct or demolish a structure ... without first filing an application with the construction official." Some of that work may be "minor work" under N.J.A.C. 5:23-2.17A, which still needs a permit, but "work may proceed, upon notice to the enforcing agency, before the permit is issued" (5:23-2.14(b)2). The fee is municipal: "The municipality, in accordance with this chapter, shall establish by ordinance enforcing agency fees" (N.J.A.C. 5:23-2.25; fee standards at 5:23-4.18). Second, ordinary maintenance does not include "Any work affecting structural or fire safety" (5:23-2.7(b)4), so roof work that reaches rafters, trusses or other structure needs a permit even on a detached house. The rule does not say whether replacing roof sheathing alone is such work. Everything after "Under state law:" is New Jersey state law, the same in every municipality.
Roof layer limit / recover
Two layers maximum, by state rule. Roof work on an existing building is held to the Rehabilitation Subcode (N.J.A.C. 5:23-2.4(a)), whose repair section, N.J.A.C. 5:23-6.4(e)7, reads: "Existing roof covering shall be removed before installing new roof covering when any of the following conditions occur: i. The existing roof or roof covering is water soaked or has deteriorated to the point that the existing roof or roof covering is not adequate as a base for additional roofing; ii. The existing roof covering is wood shake, slate, clay, cement or asbestos-cement tile; or iii. The existing roof has two or more applications of any type of roof covering." So one existing layer of asphalt shingles may be covered once; a roof that already has two layers, a wet or deteriorated roof, or a wood shake, slate, clay, cement or asbestos-cement tile roof must be torn off first. The answer is the same if a reroof is treated as renovation rather than repair: for work other than repair, N.J.A.C. 5:23-6.8(h)7 applies "All of Chapter 9 entitled 'Roof Assemblies', except Section R907" of the 2024 International Residential Code, and its reroofing section, R908.4, Exceptions, bars a recover "Where the existing roof has two or more applications of any type of roof covering." New Jersey's Chapter 9 amendments at N.J.A.C. 5:23-3.21(c)8 change only R903.4.1 and R905.1.2 and leave R908 as published. Everything above is New Jersey state law, the same in every municipality. The Mount Holly Construction Department page states nothing further on roofing.
Sales & use tax
6.625% New Jersey Sales Tax; whether the roofing bill is taxed depends on the job. The Division of Taxation's guide Contractors and New Jersey Taxes (S&U-3, Rev. 5/25) refers to "New Jersey's 6.625% Sales Tax rate." A new roof is an exempt capital improvement: "New roof" is on the guide's list of "Exempt capital improvements," and "If the work results in an exempt capital improvement to real property, the contractor does not charge Sales Tax on the bill"; the owner gives the contractor a Certificate of Exempt Capital Improvement (Form ST-8). The roofer still pays tax on materials: "The contractor pays the Sales Tax on the cost of materials and supplies at the time of purchase." A repair is taxable. The guide lists "Fixing a leaky roof" among repairs and says "replacing a few loose bath tiles or a portion of a leaky roof is a repair to the existing real property. However, replacing all of the tiles or the entire roof with upgraded or improved materials would be an exempt capital improvement." On a taxable job the only deduction is a separately stated cost of materials, and "If the contractor does not itemize the materials and the labor for a taxable job, the entire receipt is subject to tax." Work for an exempt organization, a government agency or a qualified business in an Urban Enterprise Zone follows separate exemption rules. Everything above is New Jersey state law, the same in every municipality. The Mount Holly Construction Department page states nothing further on sales tax.

More roof permit pages in New Jersey

Township of Mount Laurel, NJRoof permit Township of Neptune, NJRoof permit Township of North Bergen, NJRoof permit Township of North Brunswick, NJRoof permit Township of North Hanover, NJRoof permit

Related guides

Denver-Metro Roofing Permits Filing a Hail Insurance Claim Colorado Hail Season Prep Hiring a Contractor

The Construction Department of the Township of Mount Holly, in Burlington County, enforces the Uniform Construction Code from the Township offices at 23 Washington Street and takes inspection requests in writing by email. Section 96-3 of the Township Code says the replacement of roofing is not ordinary repair, which is stricter than the state rule for a detached house. New Jersey's Uniform Construction Code governs the work.

Working an insurance claim in Township of Mount Holly, NJ? Everything on this page (drip edge, ice & water shield, inspections, Class 4 rules) formatted as a claim-ready evidence pack: verbatim ordinance quotes, code section cites, verification dates, and official source links, ready to attach to a supplement. See a real sample pack (PDF, 4 pages, free).

Buy this jurisdiction's pack: $12 Delivered by email within minutes.

Questions about the Township of Mount Holly, NJ pack?

Not ready to buy, or need a different jurisdiction? Tell us and we’ll reply directly.

By submitting, you agree to our Terms of Use and Privacy Policy.

Sources

Roofing questions: Township of Mount Holly, NJ

Do you need a permit to replace a roof in Township of Mount Holly, NJ?

Yes, a permit is required to replace a roof in Township of Mount Holly, NJ. Section 96-3 of the Mount Holly Township Code (https://ecode360.com/10357324), adopted July 7, 1980 as Sec. 12-1 of the Revised General Ordinances, says "No building or structure, or part thereof, shall be erected, constructed, reconstructed, rehabilitated, structurally altered, moved or demolished until there has been issued by the Chief Construction Official a construction permit pursuant to N.J.S.A 52:27D-119 et seq., provided that the replacement of roofing and exterior siding materials shall not be considered as ordinary repairs pursuant to the regulations adopted by the State of New Jersey governing the Construction Code." The Township fee schedule, Section 96-4A(9), reads: "The fee for a roof permit for a single-family dwelling (Use Groups R-3 and R-4 only) shall be calculated as outlined in § 94-4A(2) above." The state rule below makes no permit demand for reroofing a detached one- or two-family house, and this record does not decide whether the Township's provision is lawful under it; in practice, expect the Township's Construction Department to treat roof replacement as permit work, as its code states. Under state law: No permit and no size limit for reroofing a detached one- or two-family house; a permit for every other building. N.J.A.C. 5:23-2.7(c) lists items that "are ordinary maintenance and shall be treated as such by every enforcing agency" and says "No permit for, inspections of, or notice to the enforcing agency of ordinary maintenance shall be required." Item 1.x is "The repair or replacement of existing roof covering on detached one- and two-family dwellings," with no square-footage or percentage cap. N.J.A.C. 5:23-2.14(b)1 carries this into the permit rule: "Ordinary maintenance as defined in N.J.A.C. 5:23-2.7 shall not require a permit or notice to the enforcing agency." Two limits apply. First, the item covers only detached one- and two-family dwellings. Reroofing a townhouse or other attached dwelling, or any other building, falls under the general permit rule, N.J.A.C. 5:23-2.14(a): "It shall be unlawful to construct, enlarge, repair, renovate, alter, reconstruct or demolish a structure ... without first filing an application with the construction official." Some of that work may be "minor work" under N.J.A.C. 5:23-2.17A, which still needs a permit, but "work may proceed, upon notice to the enforcing agency, before the permit is issued" (5:23-2.14(b)2). The fee is municipal: "The municipality, in accordance with this chapter, shall establish by ordinance enforcing agency fees" (N.J.A.C. 5:23-2.25; fee standards at 5:23-4.18). Second, ordinary maintenance does not include "Any work affecting structural or fire safety" (5:23-2.7(b)4), so roof work that reaches rafters, trusses or other structure needs a permit even on a detached house. The rule does not say whether replacing roof sheathing alone is such work. Everything after "Under state law:" is New Jersey state law, the same in every municipality.

Can you roof over an existing roof in Township of Mount Holly, NJ?

Two layers maximum, by state rule. Roof work on an existing building is held to the Rehabilitation Subcode (N.J.A.C. 5:23-2.4(a)), whose repair section, N.J.A.C. 5:23-6.4(e)7, reads: "Existing roof covering shall be removed before installing new roof covering when any of the following conditions occur: i. The existing roof or roof covering is water soaked or has deteriorated to the point that the existing roof or roof covering is not adequate as a base for additional roofing; ii. The existing roof covering is wood shake, slate, clay, cement or asbestos-cement tile; or iii. The existing roof has two or more applications of any type of roof covering." So one existing layer of asphalt shingles may be covered once; a roof that already has two layers, a wet or deteriorated roof, or a wood shake, slate, clay, cement or asbestos-cement tile roof must be torn off first. The answer is the same if a reroof is treated as renovation rather than repair: for work other than repair, N.J.A.C. 5:23-6.8(h)7 applies "All of Chapter 9 entitled 'Roof Assemblies', except Section R907" of the 2024 International Residential Code, and its reroofing section, R908.4, Exceptions, bars a recover "Where the existing roof has two or more applications of any type of roof covering." New Jersey's Chapter 9 amendments at N.J.A.C. 5:23-3.21(c)8 change only R903.4.1 and R905.1.2 and leave R908 as published. Everything above is New Jersey state law, the same in every municipality. The Mount Holly Construction Department page states nothing further on roofing.

Do roofing contractors need a license or registration in Township of Mount Holly, NJ?

Yes.

What building code does Township of Mount Holly, NJ use?

The 2024 International Residential Code, New Jersey edition, adopted by the State, with the Rehabilitation Subcode for work on existing buildings. New Jersey has one construction code, the Uniform Construction Code (N.J.A.C. 5:23), which every municipality enforces; municipalities do not adopt building codes of their own (N.J.S.A. 52:27D-123.1 and 52:27D-139). N.J.A.C. 5:23-3.21(a)1 adopts the International Code Council's "2024 International Residential Code known as the IRC/2024 as the one- and two-family dwelling subcode in New Jersey subject to the modifications stated at (c) below," and 3.21(b) applies it to "detached one- and two-family dwellings and townhouses not more than three stories above grade plane in height." The section was rewritten by R.2026 d.086, "effective August 17, 2026," in the Department of Community Affairs' print of the rules "adopted and published through the New Jersey Register, Vol. 58 No. 16," and the Department's Current Construction Codes page lists the "International Residential Code/2024, NJ ed" with an adoption date of Aug 17, 2026. Other buildings fall under the building subcode, the International Building Code/2024, NJ edition (N.J.A.C. 5:23-3.14). Roof work on an existing building is held to the Rehabilitation Subcode: "Existing structures, when repaired, renovated, altered or reconstructed, shall conform to the requirements of N.J.A.C. 5:23-6, Rehabilitation Subcode" (N.J.A.C. 5:23-2.4(a)). A six-month grace period follows the adoption. N.J.A.C. 5:23-1.6(a): "For a period of six months following the operative date of a subcode revision, applicants may submit a complete permit application, including all prior approvals, to be reviewed under the code in force immediately preceding the subcode revision." The rule history gives R.2026 d.086 no date other than its effective date, so on that reading the window runs from August 17, 2026 until about February 17, 2027: a complete application filed inside it may be reviewed under either the prior edition or the 2024 edition, at the applicant's choice, and one filed after it closes is reviewed under the 2024 edition. Everything above is New Jersey state law, the same in every municipality. Locally, the Mount Holly Construction Department page says the department is responsible for enforcing "the regulations of the State Uniform Construction Code" and names no edition; Chapter 96 of the Township Code, which establishes the "Mount Holly Township Code Enforcement Agency," names none either.

Is a mid-roof inspection required in Township of Mount Holly, NJ?

No. No mid-roof inspection under state law. Reroofing a detached one- or two-family house is ordinary maintenance, and N.J.A.C. 5:23-2.7(c) says "No permit for, inspections of, or notice to the enforcing agency of ordinary maintenance shall be required." Where a reroof does need a permit, N.J.A.C. 5:23-2.18(b)1 says "Inspections of one- and two-family dwellings for which construction must cease until the inspection is made shall be limited to the following": footing trenches, foundations, utility services and a mid-point inspection, whose building item is "All structural framing, connections, wall and roof sheathing, and insulation." The list names no roof-covering or underlayment stage, and the rule does not say whether its sheathing item reaches a permitted reroof that replaces sheathing. Any further inspection a municipality requires "shall be of the type and nature that construction may continue without interruption" (5:23-2.18(b)3). Everything above is New Jersey state law, the same in every municipality. Locally, the Mount Holly Construction Department page says "Per adopted UCC law, all construction inspection requests are to be in writing" and asks for inspection requests by email; it names no roof-covering or mid-roof inspection.