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Permitting Authorities / Union County - Building Department

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

Adopted code

Union County - Building Department

The Union County Building Department, part of the County Engineer's office at 233 West 6th Street in Marysville, issues residential building permits and carries out inspections; its residential page says it "has agreements with all municipalities to provide commercial and residential building code enforcement except Unionville Center, Plain City (incorporated areas), and the City of Dublin", and that "Marysville, Richwood, Milford Center and Magnetic Springs have all contracted with Union County for building code services". The Residential Code of Ohio applies to one-, two- and three-family dwellings in the areas it serves 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 any jurisdiction's own codified building ordinances.

Jurisdiction
Union County, Ohio
Jurisdiction type
county
Address
233 West 6th Street, Marysville, OH 43040
Contact
  • url: https://www.unioncountyohio.gov/building-regulation-1
  • phone: 937-645-3018
Permit portal
Permit portal
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 Union County, the Building Department administers residential building permits and inspections in the county, including the municipalities that contract with it, which its residential page names as Marysville, Richwood, Milford Center and Magnetic Springs, with Unionville Center, the incorporated areas of Plain City and the City of Dublin outside its building code enforcement. This record did not read Union County'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 Union County'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 Union County's own ordinances.

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Roofing questions: Union County, OH

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

What building code does Union County, 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 Union County, the Building Department administers residential building permits and inspections in the county, including the municipalities that contract with it, which its residential page names as Marysville, Richwood, Milford Center and Magnetic Springs, with Unionville Center, the incorporated areas of Plain City and the City of Dublin outside its building code enforcement. This record did not read Union County's own codified ordinances, so any additional local building regulation is not reflected here.