Zoning, building permits and septic rules in Corunna, Michigan
Corunna is a city in Shiawassee County, Michigan. Corunna adopts its own zoning, so inside its limits Corunna’s rules apply, not the county’s. 3 rules below are quoted from official sources and independently re-checked, most recently on October 23, 2026. Rules for unincorporated land are on the Shiawassee County page.
Answers from the rulebook for Corunna
Corunna’s own rules
Local zoningPresent
Land inside Corunna city limits; Corunna city administers its own Chapter 86 Zoning ordinance
Table of contents lists Article II zoning districts and maps, Article XI schedule of regulations, and Article XVI administration and enforcement.
Table of contents also shows zoning amendment entries for Ord. No. 26-03 and Ord. No. 26-04; amendment text was not opened.
Individual district section text was not opened; see the dimensional claims.
“article xi schedule of regulations § 86-301 height, bulk, density and area requirements.”
Zoning districtsPublished
Zoning districts inside Corunna city limits, per Chapter 86 Article II and following articles
Table of contents lists districts: R-C recreation/conservation; R-A one-family residential; R-O residential/office; RM multiple-family residential; RM-2 multiple-family high rise; C-1 central business; C-2 service/business; C-3 general business; I-L light and I-H heavy industrial.
District boundary and zoning map text (Article II, §§ 86-31 to 86-36) was not opened.
“article ii zoning districts and maps § 86-31 districts enumerated.”
Subdividing landRegulated (with conditions)
Land divisions and subdivisions inside Corunna city limits
Chapter 72 covers subdivisions and land division (§ 72-1 to § 72-56); its text was not opened, so approval steps and standards are unverified.
“chapter 72 subdivisions and land division (§ 72-1 – § 72-56)”
Still unanswered
We looked and could not find an official answer yet. Silence is not permission; ask Corunna or Shiawassee County directly.
Building permit — Building permits for new homes inside Corunna city limits
Owner-builder exemption — Owner-builder permit exemption for a home inside Corunna city limits
Building code adopted — Building codes for construction inside Corunna city limits
Inspections — Building inspections inside Corunna city limits
Minimum dwelling size — Minimum dwelling floor area in the R-A One-Family Residential District inside Corunna city limits
20 more unanswered
Minimum lot size
Setbacks
Lot coverage
Building height
Living in an RV
Camping on your land
Tiny homes
Manufactured homes
Accessory dwellings
Who permits septic
Septic permit
Septic inspection
Off-grid sanitation
Well permit
Mandatory utility hookup
Agricultural exemption
Driveway access
Building in a floodplain
Short-term rentals
Permit fees
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.
Unanswered questions are usually a sign that Corunna publishes no rule on the point, not that none exists. Shiawassee County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Corunna means bringing your own water and power. The kit we’d start with:
