Zoning, building permits and septic rules in Village of St. Henry, Ohio

Village of St. Henry’s own rules

• Local zoningPresent

  Land inside St. Henry village, Mercer County, Ohio

  • Code is administered by the village administrator
  • Code text states it was adopted February 2021; the posted PDF is a revision dated 10-11-2025

  “therefore be it ordained by the council of the, village of st. henry, mercer county, state of ohio, two-thirds of the members thereto concurring: chapter 150 - zoning regulations”

• Zoning districtsPublished

  Zoning districts inside St. Henry village

  • Official zoning map is posted as a separate PDF on the village zoning page
  • Districts: R-1, R-2, R-3, C-1, C-I, I-1

  “the following zoning districts are hereby established for the village of st. henry, ohio: a. r-1 single-family residential district b. r-2 single-family residential district c. r-3 two-family residential district d. c-1 commercial district e. c- i commercial/ industrial district f. i-1 g e n e r a l industrial district”

• Minimum dwelling sizeSpecified

  Single-family dwellings in the R-1 single-family residential district inside St. Henry village

  • R-2 district requires 1,200 sq ft for single-family dwellings (150.225)
  • Multi-unit dwellings 850 sq ft per unit

  minimum living area, single-family, R-1: >= 1500 sq ft

  “minimum living area per multi-unit dwelling 850 sq feet per unit minimum living area for single-family dwellings 1,500 sq feet”

• Minimum lot sizeSpecified

  Dwellings in the R-1 district inside St. Henry village

  • R-3 two-family: 3,600 sq ft per unit; R-2 lot size not captured

  minimum lot area, R-1: >= 11000 sq ft · minimum lot width, R-1: >= 90 ft

  “minimum lot area 11,000 square feet minimum lot width 90 feet minimum front yard setback 30 feet from property line”

• SetbacksSpecified

  Dwellings in the R-1 district inside St. Henry village

  • R-2 side yard 7.5 ft, rear 20 ft; R-3 front 25 ft, side 7.5 ft, rear 25 ft

  front yard setback: >= 30 ft · side yard setback: >= 10 ft · rear yard setback: >= 20 ft

  “minimum front yard setback 30 feet from property line minimum side yard setback 10 feet minimum rear yard setback 20 feet maximum height 35 feet”

• Building heightSpecified

  Dwellings in the R-1 district inside St. Henry village

  • R-2 and R-3 also 35 ft; C-1 45 ft

  maximum height, R-1: <= 35 ft

  “minimum rear yard setback 20 feet maximum height 35 feet minimum living area per multi-unit dwelling 850 sq feet per unit”

• Manufactured homesLimited

  Manufactured homes on individual parcels inside St. Henry village

  • New manufactured homes are not permitted in any district; only those in place at enactment may continue subject to stated conditions
  • If an existing manufactured home is removed for 3 months or longer, the parcel reverts to its district use and no manufactured home is permitted thereafter

  “if an existing manufactured home is removed from said individual parcel (lot) for a period of 3 months or longer, the use of the parcel (lot) reverts to that for which that district is zoned, and no manufactured home will be permitted thereafter.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Village of St. Henry or Mercer County directly.

• Building permit — Building permits inside St. Henry village
• Owner-builder exemption — Owner-builder exemption inside St. Henry village
• Building code adopted — Building code inside St. Henry village
• Inspections — Inspections inside St. Henry village
• Certificate of occupancy — Certificates of occupancy inside St. Henry village

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.