Residential accessory buildings include greenhouses, sheds, garages, and other standalone structures not connected to the main structure.
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Relevant Building Codes
- A maximum of two accessory buildings per lot is allowed.
- Structure can occupy up to 30% of the rear yard.
- Total combined area of the garage and driveway can occupy up to 50% of the rear yard.
- Lots under 12,000 square feet may have a 1, 2, or 3 car garage.
- Lots over 12,000 square feet may have a 4 car garage.
- Structure must be at least 60 feet from the front property line.
- Structure must be at least 3 feet from the side and rear property lines. A maximum of 1 foot of overhang is allowed.
- Structure must be at least 10 feet from the main building.
If the windows and doors are not opposite or parallel to the main building, then a structure may be a minimum of 5 feet from the main building.
- Structure must be less than 20 feet tall (average height) and is limited to one story.
- Business may not be conducted from a residential accessory structure.
- Check for any deed restrictions or easements.
- Buildings less than 200 square feet: must have a minimum 4" thick stone base
- Buildings 201 to 600 square feet: minimum 12" footer depth below grade, minimum width of 12"
- Building larger than 200 square feet: full 3 feet depth foundation below grade, minimum width of 12"
- ½” φ anchor bolts @ 6’ maximum spacing O/C for anchoring walls to footer
- Sill plates directly on concrete slab must be pressure treated lumber
- All framing members in contact with the concrete slab must be pressure treated lumber
- Exterior wall studs shall be at least 2 x 4 @ 24” o.c. with double top plate
- Door headers shall conform to 2019 Residential Code of Ohio, Table R602.7 (1). For headers in non-bearing walls, a minimum
of 2 - 2x6 is required for a 1 car door or 2 - 2x12 with ½” plywood sheathing for a 2 car door. Headers in bearing walls require a
- Rafters shall be according to 2019 Residential Code of Ohio Chapter 8. 2 x 6 rafter ties @ 4’ o.c. maximum may be used.
- A side hinge door not less than 2’6” wide by 6’8” high is required from all garages. (2019 Residential Code of Ohio Section
- Floor surfaces shall be sloped toward the main vehicle entry doorway (2019 Residential Code of Ohio Section 309.2)
- Driveways constructed of concrete, asphalt, or other dust free material are required to provide access to a garage, carport or unsheltered parking space from a street or place (TMC 1107.1906)