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Permitting Authorities / Missouri / City of Hazelwood - Building Department and Code Enforcement

Do you need a permit to replace a roof in Hazelwood, MO?

Adopted code

City of Hazelwood - Building Department and Code Enforcement

Yes, a permit is required to replace a roof in Hazelwood, MO, issued by City of Hazelwood - Building Department and Code Enforcement.

Roof code checklist: Hazelwood, MO

ItemAnswerCode citeSourceVerified
Permit to replace a roofYeshazelwoodmo.org2026-10-17
Repair permit thresholdPublishedhazelwoodmo.org2026-10-17
Layer limit / roof-overNot published
Deck & sheathingNot published
Drip edgeNot published
Ice & water shieldNot published
Mid-roof inspectionNot published
Impact-resistant (Class 4) roofingNot published
Wind design criteriaPublishedhazelwoodmo.org2026-10-22
Adopted codePublishedhazelwoodmo.org2026-10-17
Contractor license / registrationNot published
Sales & use taxPublisheddor.mo.gov2026-10-17

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 Hazelwood, Missouri
Jurisdiction type
city
Address
415 Elm Grove Lane, Hazelwood, MO 63042
Contact
  • url: https://hazelwoodmo.org/224/Building-Department-and-Code-Enforcement
  • phone: 314-513-5034
Permit portal
Permit portal
Roofing permit required
Required
Adopted code
The City's Building Department and Code Enforcement page says that "In addition to the City of Hazelwood Municipal Code, the City has adopted and enforces" a list of International Code Council codes that includes the "2021 International Residential Code," and that "The City of Hazelwood contracts with St. Louis County for Electrical, Plumbing, Elevator, and Amusement permits and inspections." The City's Re-Roofing Guidelines (May 29, 2025) say "City of Hazelwood adopted the 2021 International Residential Code," though one line of the same guidelines still says roofing is installed "per the 2015 International Residential Code." The City's codified adopting section and its local amendments to the International Residential Code were not read for this record.
Repair permit threshold
NO PARTIAL RE-ROOFS; REPAIRS NEED CITY APPROVAL FIRST. The City's Re-Roofing Guidelines (May 29, 2025) say "A Building Permit is required for all Residential re-roofing projects," "No Partial or Half Re-Roofs Allowed" and "Any Proposed Repairs require City approval PRIOR to commencement of work." The guidelines list a sheathing inspection "after shingles and underlayment (felt) has been removed" and a final inspection on the completed re-roof. On layers they say "A maximum number of two (2) layers of shingles is allowed" and "Recovering of composition shingle materials is permitted provided there is only one (1) existing layer."
Wind design criteria
The City's Building Department page lists its "Climate & Geographic Design Criteria" as "Ground snow load - 20 psf," "Wind speed - 107 mph," "Seismic Design Category - C or D (soil based)," "Winter design temperature - 2°" and "Frost depth - 30 inches."
Sales & use tax
9.9880% SALES TAX AND 6.4750% USE TAX FOR HAZELWOOD, ST. LOUIS COUNTY (Missouri Department of Revenue jurisdiction code 31276-189-000, listed as "HAZELWOOD ST LOUIS COUNTY"), per the Department's Sales and Use Tax Rate Tables for October, November, December 2026 (updated 8/25/2026). The same table lists 10 other rows for parts of Hazelwood inside a community improvement, transportation development or other district, in a separately coded part of the city, or in another county, with sales tax rates of 9.9880% to 11.9880%. For a roofer, the Department's Contractors Tax Matrix (effective 10-24-2022) defines a contractor as "Any person entering into an agreement to improve, repair, replace, erect or alter real property," and lists "Purchases of parts, materials, supplies, and chemicals purchased by contractors" as taxable. It says the "Missouri sales or Missouri consumer's use tax must be paid to the vendor or accrued and remitted directly to the Missouri Department of Revenue."

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The City of Hazelwood issues residential building permits, including re-roof permits, through its Building Department and Code Enforcement at City Hall, 415 Elm Grove Lane, and contracts with St. Louis County only for electrical, plumbing, elevator and amusement permits. The City says it has adopted the 2021 International Residential Code. Its re-roofing guidelines require a permit for every residential re-roof and say "Ice and water shield and drip edge are required." This listing covers the office's contact details and those published roofing rules.

Working an insurance claim in Hazelwood, MO? 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).

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Sources

Roofing questions: Hazelwood, MO

Do you need a permit to replace a roof in Hazelwood, MO?

Yes, a permit is required to replace a roof in Hazelwood, MO. NO PARTIAL RE-ROOFS; REPAIRS NEED CITY APPROVAL FIRST. The City's Re-Roofing Guidelines (May 29, 2025) say "A Building Permit is required for all Residential re-roofing projects," "No Partial or Half Re-Roofs Allowed" and "Any Proposed Repairs require City approval PRIOR to commencement of work." The guidelines list a sheathing inspection "after shingles and underlayment (felt) has been removed" and a final inspection on the completed re-roof. On layers they say "A maximum number of two (2) layers of shingles is allowed" and "Recovering of composition shingle materials is permitted provided there is only one (1) existing layer."

What building code does Hazelwood, MO use?

The City's Building Department and Code Enforcement page says that "In addition to the City of Hazelwood Municipal Code, the City has adopted and enforces" a list of International Code Council codes that includes the "2021 International Residential Code," and that "The City of Hazelwood contracts with St. Louis County for Electrical, Plumbing, Elevator, and Amusement permits and inspections." The City's Re-Roofing Guidelines (May 29, 2025) say "City of Hazelwood adopted the 2021 International Residential Code," though one line of the same guidelines still says roofing is installed "per the 2015 International Residential Code." The City's codified adopting section and its local amendments to the International Residential Code were not read for this record.