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Permitting Authorities / City of Warren - Engineering, Planning and Building Department

Do you need a permit to replace a roof in Warren, OH?

Adopted code

City of Warren - Engineering, Planning and Building Department

The City of Warren Engineering, Planning and Building Department, at 187 High St NE in Warren (Trumbull County), issues building permits through its Building Division, which reviews construction documents and conducts inspections in the city. The department's page states that "Permits can only be issued to registered contractors" under the city's codified ordinances, or to homeowners working on the single family dwelling in which they reside. The Residential Code of Ohio applies to one-, two- and three-family dwellings in Warren as it does statewide. This listing covers the office's contact details and the rules state law sets for every Ohio jurisdiction; it does not cover Warren's own codified building ordinances.

Roof code checklist: Warren, OH

ItemAnswerCode citeSourceVerified
Permit to replace a roofNot published
Repair permit thresholdNot published
Layer limit / roof-overNot published
Deck & sheathingPublished4101$8-9-01_eff_7_1_19.pdf2026-10-17
Drip edgeNot published
Ice & water shieldYes4101$8-3-01_eff_7_1_19.pdf2026-10-17
Mid-roof inspectionNot published
Impact-resistant (Class 4) roofingNot published
Wind design criteriaNot published
Adopted codePublishedcodes.ohio.gov2026-10-17
Contractor license / registrationYeswarren.org2026-10-17
Sales & use taxPublishedSalestaxmap.pdf2026-10-17

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 Warren, Ohio
Jurisdiction type
city
Address
187 High St NE, Warren, OH 44481
Contact
  • url: https://www.warren.org/engineering_planning__building__department/index.php
  • phone: 330-841-2562
Permit portal
Permit portal
Contractor registration required
Required
Adopted code
The Residential Code of Ohio (RCO), Ohio Administrative Code Division 4101:8, adopted by the Ohio Board of Building Standards, governs one-, two- and three-family dwellings statewide; its roof assemblies rule (OAC 4101:8-9-01) and administration rule (OAC 4101:8-1-01) carry an effective date of July 1, 2019. Ohio Rev. Code 3781.01(B) provides that the state residential building code "does not prevent a local governing authority from adopting additional regulations governing residential structures that do not conflict with the state residential building code". Under RCO 101.5, where no building department certified by the Board of Building Standards for residential buildings has jurisdiction, "the owner is not required to make submission of construction documents, seek approvals, request inspections, or obtain certificates of occupancy". In Warren, the Building Division of the Engineering, Planning and Building Department reviews construction documents, issues building permits, conducts inspections and enforces the Residential Code of Ohio for one, two and three family dwelling units. This record did not read Warren's own codified ordinances, so any additional local building regulation is not reflected here.
Ice & water shield
Required — SET BY STATE RULE. Table 301.2(1) of the Residential Code of Ohio (OAC 4101:8-3-01) marks ice barrier underlayment as required, and its footnote h states that "all jurisdictions in Ohio have a history of local damage from the effects of ice damming". RCO 905.1.2 then requires the ice barrier for asphalt shingles and the other listed coverings, consisting of "not fewer than two layers of underlayment cemented together, or a self-adhering polymer-modified bitumen sheet", extending 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", and on slopes of 8 in 12 or steeper not less than 36 inches measured along the slope from the eave edge. The section's own exception covers "Detached accessory structures and roof assemblies terminating at a vertical wall over unconditioned floor areas". Ohio Rev. Code 3781.01(B) lets a city add regulations that do not conflict with the state code; this record did not read Warren's own ordinances. About ice & water barrier
Deck & sheathing requirements
SET BY STATE RULE. RCO 905.2.1 (OAC 4101:8-9-01) provides: "Asphalt shingles shall be fastened to solidly sheathed decks." RCO 905.6.1 sets the same rule for slate: "Slate shingles shall be fastened to solidly sheathed roofs." Ohio Rev. Code 3781.01(B) lets a city add regulations that do not conflict with the state code; this record did not read Warren's own ordinances.
Sales & use tax
Trumbull County: 6.75% combined state and local sales and use tax rate (5.75% state rate plus a 1.00% county permissive rate), per the Ohio Department of Taxation's Sales and Use Tax Rate Map dated September 9, 2026, for rates in effect as of October 2026.

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Sources

Roofing questions: Warren, OH

Is ice & water shield required in Warren, OH?

Yes. SET BY STATE RULE. Table 301.2(1) of the Residential Code of Ohio (OAC 4101:8-3-01) marks ice barrier underlayment as required, and its footnote h states that "all jurisdictions in Ohio have a history of local damage from the effects of ice damming". RCO 905.1.2 then requires the ice barrier for asphalt shingles and the other listed coverings, consisting of "not fewer than two layers of underlayment cemented together, or a self-adhering polymer-modified bitumen sheet", extending 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", and on slopes of 8 in 12 or steeper not less than 36 inches measured along the slope from the eave edge. The section's own exception covers "Detached accessory structures and roof assemblies terminating at a vertical wall over unconditioned floor areas". Ohio Rev. Code 3781.01(B) lets a city add regulations that do not conflict with the state code; this record did not read Warren's own ordinances.

Do roofing contractors need a license or registration in Warren, OH?

Yes.

What building code does Warren, OH use?

The Residential Code of Ohio (RCO), Ohio Administrative Code Division 4101:8, adopted by the Ohio Board of Building Standards, governs one-, two- and three-family dwellings statewide; its roof assemblies rule (OAC 4101:8-9-01) and administration rule (OAC 4101:8-1-01) carry an effective date of July 1, 2019. Ohio Rev. Code 3781.01(B) provides that the state residential building code "does not prevent a local governing authority from adopting additional regulations governing residential structures that do not conflict with the state residential building code". Under RCO 101.5, where no building department certified by the Board of Building Standards for residential buildings has jurisdiction, "the owner is not required to make submission of construction documents, seek approvals, request inspections, or obtain certificates of occupancy". In Warren, the Building Division of the Engineering, Planning and Building Department reviews construction documents, issues building permits, conducts inspections and enforces the Residential Code of Ohio for one, two and three family dwelling units. This record did not read Warren's own codified ordinances, so any additional local building regulation is not reflected here.