The Roofing Book

Permitting Authorities / City of Lima - Building Department

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

Adopted code

City of Lima - Building Department

Yes, a permit is required to replace a roof in Lima, OH, issued by City of Lima - Building Department.

Roof code checklist: Lima, OH

ItemAnswerCode citeSourceVerified
Permit to replace a roofYeslimaohio.gov2026-10-17
Repair permit thresholdPublishedlimaohio.gov2026-10-17
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 / registrationNot published
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 Lima, Ohio
Jurisdiction type
city
Address
50 Town Square, Lima, OH 45801
Contact
  • url: https://www.limaohio.gov/194/Building-Department
  • phone: 419-221-5243
Permit portal
Permit portal
Roofing permit 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 Lima, the Building Department, part of the city's Public Works, enforces the Residential Code of Ohio for one-, two- and three-family dwellings within the City of Lima corporation limits and issues the appropriate permits. This record did not read Lima'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 Lima's own ordinances. About ice & water barrier
Repair permit threshold
The residential permit and inspection guidelines list "Replacement or repair of existing roof covering with aggregate amount more than of 25% of roof surface" among the work that requires a building permit.
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 Lima's own ordinances.
Sales & use tax
Allen County: 6.85% combined state and local sales and use tax rate (5.75% state rate plus a 1.00% county permissive rate plus a 0.10% transit 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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The City of Lima Building Department, at the Municipal Building, 50 Town Square in Lima (Allen County), issues building permits and carries out inspections for one-, two- and three-family dwellings within the city. Its residential permit and inspection guidelines list "Installation of new roof covering" among the work that requires a building permit. The Residential Code of Ohio applies to one-, two- and three-family dwellings in Lima as it does statewide. This listing covers the office's contact details, its roofing permit rule where the office's own page states one, and the rules state law sets for every Ohio jurisdiction; it does not cover Lima's own codified building ordinances.

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Sources

Roofing questions: Lima, OH

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

Yes, a permit is required to replace a roof in Lima, OH. The residential permit and inspection guidelines list "Replacement or repair of existing roof covering with aggregate amount more than of 25% of roof surface" among the work that requires a building permit.

Is ice & water shield required in Lima, 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 Lima's own ordinances.

What building code does Lima, 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 Lima, the Building Department, part of the city's Public Works, enforces the Residential Code of Ohio for one-, two- and three-family dwellings within the City of Lima corporation limits and issues the appropriate permits. This record did not read Lima's own codified ordinances, so any additional local building regulation is not reflected here.