Mercer County, Ohio
Center Township is a township in Mercer County, Ohio. Center Township adopts its own zoning, so inside its limits Center Township’s rules apply, not the county’s. Septic permits inside Center Township come from Center Township. 3 rules below are quoted from official sources and independently re-checked, most recently on November 9, 2026. Rules for unincorporated land are on the Mercer County page.
Erection, moving, addition to, or structural alteration of buildings and structures, and establishment or changed use of buildings, structures, or land in unincorporated Center Township, Mercer County, Ohio.
work commencement deadline: <= 6 months (Permit application may expire and be revoked if work has not begun.) · work substantial-completion deadline: <= 2 years (Permit application may expire and be revoked if work has not been substantially completed.)
“No building or other structure, unless it is exempt as agricultural (see definition), shall be erected, moved, added to, or structurally altered; nor shall any building, structure, or land be established or changed in use; nor shall any accessory structure, fence, sign, or swimming pool be installed without a permit issued by the Zoning Inspector.”
Land in unincorporated Center Township, Mercer County, Ohio, subject to Center Township zoning administration.
“TOWNSHIP ZONING INSPECTORS MERCER COUNTY [...] CENTER Dave Stoner 419-305-4079”
Center Township does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
Household sewage treatment systems serving land inside Center Township, Mercer County, Ohio.
“This program covers septic system siting, building lot approvals, septic system permitting, review of system operation and maintenance, and nuisance investigations.”
Each answer was extracted from an official source and independently re-checked against that source by a second reviewer. That is an evidence check, not legal advice. Rules change; confirm with the authority before you buy or build.
Off-grid gear
Going off-grid in Center Township means bringing your own water and power. The kit we’d start with:
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