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Permitting Authorities / Illinois / Village of Westmont Community Development Department, Permitting Division

Do you need a permit to replace a roof in Westmont, IL?

Adopted code

Village of Westmont Community Development Department, Permitting Division

Yes, a permit is required to replace a roof in Westmont, IL, issued by Village of Westmont Community Development Department, Permitting Division. A ROOF COVERING REPLACEMENT IS AN EXPRESS PERMIT WITH A $100 APPLICATION FEE, TYPICALLY ISSUED IN 1 TO 2 BUSINESS DAYS. The Permitting Division page lists, among express permit examples, "Roof covering replacement (tear off or second layer only)," and says "Express permits are typically issued within 1-2 business days," "Contractor(s) must be currently registered PRIOR to applying for permits," and "Application fee is due at the time of the submission ($100)." The Village's Re-Roof Requirements and Guidelines sheet (Rev 5/2026) asks for a completed permit application, a contractor proposal "which should include total cost of construction," the completed guide, and a "Building Application Fee: $100." The sheet says "This document is applicable for re-shingling or re-roofing only" and that structural work is outside it. The page adds that "Final Inspections" are required for ALL Permits issued and that "The minimum charge for any Residential inspection, or missed inspection, or re-inspection shall be fifty dollars ($50.00)." Working without a permit carries "a penalty of $300.00, or double the total cost of the permit, whichever is greater, plus the cost of the permit to be issued," per the Village's Work Without A Permit page.

Roof code checklist: Westmont, IL

ItemAnswerCode citeSourceVerified
Permit to replace a roofYeswestmont.illinois.gov2026-10-17
Repair permit thresholdNot published
Layer limit / roof-overPublishedwestmont.illinois.gov2026-10-17
Deck & sheathingNot published
Drip edgeYeswestmont.illinois.gov2026-10-17
Ice & water shieldNot published
Mid-roof inspectionNowestmont.illinois.gov2026-10-17
Impact-resistant (Class 4) roofingNot published
Wind design criteriaNot published
Adopted codePublishedwestmont.illinois.gov2026-10-17
Contractor license / registrationYesilga.gov2026-09-18
Sales & use taxPublishedilga.gov2026-09-18

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
Village of Westmont, Illinois
Jurisdiction type
city
Address
31 W. Quincy Street, Westmont, IL 60559
Contact
  • url: https://westmont.illinois.gov/339/Permitting-Division
  • phone: 630-981-6250
Permit portal
Permit portal
Roofing permit required
Required
Contractor registration required
Required
Registration details
  • state_level: Illinois licenses roofing contractors statewide with no dollar threshold. 225 ILCS 335/9(2): "No work involving the construction, reconstruction, alteration, maintenance, or repair of any kind of roofing or waterproofing may be done except by a roofing contractor or a qualifying party licensed or credentialed under this Act." Under 225 ILCS 335/5(a-3), "A municipality or a county that requires a building permit may not issue a building permit to a roofing contractor unless that contractor has provided sufficient proof of current licensure as a roofing contractor by the State," and a holder of a limited license is restricted to permits for work on residential properties of 8 units or less. The Illinois Department of Financial and Professional Regulation lists "Roofing Contractor, Licensed" among the professions it licenses.
  • city_level: A VILLAGE CONTRACTOR REGISTRATION, WITH A $10,000 SURETY BOND FOR ROOFERS, ON TOP OF THE STATE LICENSE. The Village's Contractor Registration page says "ALL CONTRACTORS shall be registered with the Village of Westmont prior to the issuance of any permits and provide a non-refundable fee of $50.00 is due upon registration," that "All OTHER CONTRACTORS (including Electricians and Roofers) shall, additionally, provide a minimum $10,000 SURETY BOND, naming the Village of Westmont," and that "Roofers shall also provide a copy of their current/valid State of Illinois license." The page says "Westmont Contractor Registration is valid for one year from the date of registration."
Permit process note
A ROOF COVERING REPLACEMENT IS AN EXPRESS PERMIT WITH A $100 APPLICATION FEE, TYPICALLY ISSUED IN 1 TO 2 BUSINESS DAYS. The Permitting Division page lists, among express permit examples, "Roof covering replacement (tear off or second layer only)," and says "Express permits are typically issued within 1-2 business days," "Contractor(s) must be currently registered PRIOR to applying for permits," and "Application fee is due at the time of the submission ($100)." The Village's Re-Roof Requirements and Guidelines sheet (Rev 5/2026) asks for a completed permit application, a contractor proposal "which should include total cost of construction," the completed guide, and a "Building Application Fee: $100." The sheet says "This document is applicable for re-shingling or re-roofing only" and that structural work is outside it. The page adds that "Final Inspections" are required for ALL Permits issued and that "The minimum charge for any Residential inspection, or missed inspection, or re-inspection shall be fifty dollars ($50.00)." Working without a permit carries "a penalty of $300.00, or double the total cost of the permit, whichever is greater, plus the cost of the permit to be issued," per the Village's Work Without A Permit page.
Adopted code
THE 2021 INTERNATIONAL RESIDENTIAL CODE WITH LOCAL AMENDMENTS, PER THE VILLAGE'S OWN PERMITTING PAGE. The Permitting Division page says "The Village of Westmont has adopted the following codes with local amendments, by reference," and lists "2021 International Residential Code," "2021 International Building Code," "2021 International Existing Building Code" and "2021 International Energy Conservation Code," with the "2024 Illinois Energy Conservation Code" among the State codes to follow. The page says "The Village's Chapter 18 & Chapter 42 ordinances were amended on August 20, 2026," and links the amending ordinance the Village hosts (Ordinance No. 26-137). That ordinance is a scanned image and was not read for this record, nor was Chapter 18 itself, so this record does not state whether the Village has amended the IRC's roof provisions beyond what the division's re-roof sheet says.
Drip edge
Required — REQUIRED, PER THE DIVISION'S OWN SHEET. The Village's Re-Roof Requirements and Guidelines sheet (Rev 5/2026) states: "Flashing (including valley and sidewall) and drip edge shall be installed in compliance with adopted codes," and "Protect exposed edges of sheathing along the eaves and the rake of the roof with moldings or sheet metal flashing." It adds that "Flashing along eaves may be integral with gutters." This rests on the written sheet of the department that issues the permit; the Village's enacted amendment text was not read for this record. About drip edge
Mid-roof inspection
Not required — AN ICE AND WATER SHIELD INSPECTION IS OFFERED AT THE APPLICANT'S ELECTION, FOR AN EXTRA FEE. The Village's Re-Roof Requirements and Guidelines sheet (Rev 5/2026) asks: "Do you want an ice and water shield inspection: [ ] YES [ ] NO - If yes, an additional inspection fee will be applied." The Permitting Division page says "Final Inspections" are required for ALL Permits issued. The sheet does not itself state whether an ice barrier is required. This rests on the department's own written sheet; the Village's enacted amendment text was not read for this record.
Roof layer limit / recover
A RECOVER OVER ONE EXISTING LAYER AT MOST, PER THE DIVISION'S OWN SHEET. The Village's Re-Roof Requirements and Guidelines sheet (Rev 5/2026) states: "Complete tear off is required when two (2) or more layers exist," and "Roof recover is not permitted where 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." The Permitting Division page likewise limits the express roof permit to "tear off or second layer only." The enacted amendment text was not read for this record.
Sales & use tax
Illinois taxes the roofer, not the job, and the operative rate is not keyed to the Westmont job address. Under 86 Ill. Adm. Code 130.1940(c), a construction contractor "does not incur Retailers' Occupation Tax liability as to receipts from labor furnished and tangible personal property (materials and fixtures) incorporated into a structure," but "incurs Use Tax on the cost price of the tangible personal property that is incorporated into real estate," with "roofing materials" named in the rule's own list of examples. Repair and replacement are taxed identically: 130.1940(a)(3) defines "construct" to include "repair, renovate or remodel." The Illinois Department of Revenue states the Use Tax rate as "6.25% of the purchase price or fair market value, whichever is greater." Where the contractor buys for resale, the local tax follows "the place of business at or from which the contractor or builder handles the transaction" (130.2075(b)(3)), so the combined rate on materials is the supply house's or the contractor's, which this record does not pin down. The authoritative lookup is the Illinois Department of Revenue's MyTax Illinois Tax Rate Finder.

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Building permits in the Village of Westmont, Illinois, in DuPage County, are handled by the Permitting Division of the Community Development Department at Village Hall, 31 W. Quincy Street. The Illinois Capital Development Board says "The State has not adopted a building code for repairs to existing single family residences," so Westmont's roofing rules are its own: the Village's Permitting Division page lists the 2021 International Residential Code, adopted with local amendments, and names roof covering replacement as an express permit, and the division publishes its own Re-Roof Requirements and Guidelines sheet. This listing covers the office's contact details, the Village's own statements on code and permits, and the rules state law sets for every Illinois roofer.

Working an insurance claim in Westmont, IL? 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).

Code items like drip edge are what adjusters ask you to document.

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Sources

Roofing questions: Westmont, IL

Do you need a permit to replace a roof in Westmont, IL?

Yes, a permit is required to replace a roof in Westmont, IL.

Is drip edge required in Westmont, IL?

Yes. REQUIRED, PER THE DIVISION'S OWN SHEET. The Village's Re-Roof Requirements and Guidelines sheet (Rev 5/2026) states: "Flashing (including valley and sidewall) and drip edge shall be installed in compliance with adopted codes," and "Protect exposed edges of sheathing along the eaves and the rake of the roof with moldings or sheet metal flashing." It adds that "Flashing along eaves may be integral with gutters." This rests on the written sheet of the department that issues the permit; the Village's enacted amendment text was not read for this record.

Can you roof over an existing roof in Westmont, IL?

A RECOVER OVER ONE EXISTING LAYER AT MOST, PER THE DIVISION'S OWN SHEET. The Village's Re-Roof Requirements and Guidelines sheet (Rev 5/2026) states: "Complete tear off is required when two (2) or more layers exist," and "Roof recover is not permitted where 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." The Permitting Division page likewise limits the express roof permit to "tear off or second layer only." The enacted amendment text was not read for this record.

Do roofing contractors need a license or registration in Westmont, IL?

Yes.

What building code does Westmont, IL use?

THE 2021 INTERNATIONAL RESIDENTIAL CODE WITH LOCAL AMENDMENTS, PER THE VILLAGE'S OWN PERMITTING PAGE. The Permitting Division page says "The Village of Westmont has adopted the following codes with local amendments, by reference," and lists "2021 International Residential Code," "2021 International Building Code," "2021 International Existing Building Code" and "2021 International Energy Conservation Code," with the "2024 Illinois Energy Conservation Code" among the State codes to follow. The page says "The Village's Chapter 18 & Chapter 42 ordinances were amended on August 20, 2026," and links the amending ordinance the Village hosts (Ordinance No. 26-137). That ordinance is a scanned image and was not read for this record, nor was Chapter 18 itself, so this record does not state whether the Village has amended the IRC's roof provisions beyond what the division's re-roof sheet says.

Is a mid-roof inspection required in Westmont, IL?

No. AN ICE AND WATER SHIELD INSPECTION IS OFFERED AT THE APPLICANT'S ELECTION, FOR AN EXTRA FEE. The Village's Re-Roof Requirements and Guidelines sheet (Rev 5/2026) asks: "Do you want an ice and water shield inspection: [ ] YES [ ] NO - If yes, an additional inspection fee will be applied." The Permitting Division page says "Final Inspections" are required for ALL Permits issued. The sheet does not itself state whether an ice barrier is required. This rests on the department's own written sheet; the Village's enacted amendment text was not read for this record.