Eaton County, Michigan requires a building permit before construction in the applicable construction-code jurisdiction; the enforcing agency may be the state, county or local government1. Eaton County zoning ended June 30, 2026, but township, village and city zoning can still apply2. On-site sewage systems and wells require review and permits through the Barry-Eaton District Health Department34.
At a glance
- Building permit
- Required before construction in the applicable construction-code jurisdiction and for a change of use or occupancy1
- Building department
- Eaton County Construction Codes serves many communities; verify the enforcing agency for the parcel56
- County zoning
- No county zoning after June 30, 2026; township, village or city zoning may still apply7
- Septic permit
- Site evaluation, permit and final inspection through Barry-Eaton District Health Department389
- County minimum home size
- No county zoning minimum, but building-code and local-government rules may apply10
- County setbacks
- No county zoning setback, but local, septic, road, floodplain and other requirements may apply11
- Owner-builder exemption
- Available for a qualifying home built for the owner's own use and occupancy; permits and inspections still apply12
- Private well
- Site evaluation, permit, final inspection and water sampling through Barry-Eaton District Health Department4
Who to call
Building permits
Eaton County Department of Construction Codes
Building-code inspections and compliance in the county department's jurisdiction
ConstructionCode@eatoncounty.org
1045 Independence Boulevard, Room 150, Charlotte, MI 48813
Also useful
Eaton County Department of Construction Codes - Jurisdiction List
Published list of local governments served by county code enforcement and jurisdictions that administer their own codes
Septic permits
Barry-Eaton District Health Department - Eaton County Office
On-site sewage site evaluations, permits and final inspections in Eaton County
1033 Health Care Dr., Charlotte, MI 48813
Contact details are copied from each office’s official page and were checked against it on October 12, 2026.
Off-grid gear
Going off-grid in Eaton County means bringing your own water and power. The kit we’d start with:
- Water Crystal Quest Filter any source — well, rain, or creek — to drinking-clean.
- Power Bluetti Solar generators and home battery backup for living off the grid.
- Septic Soil percolation test kit Run your own perc test before paying an engineer — the first thing a septic office asks about.
- Water Well water test kit Bacteria, nitrates, hardness — know what the well on a parcel is really pumping.
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Do you need a building permit in Eaton County, Michigan?
Eaton County, Michigan requires a building permit before construction and when a building's use or occupancy changes; apply to the appropriate state, county or local enforcing agency1. Within its listed jurisdiction, Eaton County enforces the 2015 Michigan Residential Code for one- and two-family homes and the 2021 Michigan Building Code for commercial and industrial buildings5. Ordinary repairs are exempt only if they do not affect structural supports, required egress or public-health and safety systems1. Charlotte issues city building permits13. Grand Ledge requires a city Zoning & DPS Referral Form before the county building-permit application for new construction and specified alterations; Bellevue village generally requires village zoning approval before construction, with construction codes enforced by Eaton County1415. Private septic systems remain subject to Barry-Eaton District Health Department review and septic permits3.
Who is the Eaton County building department, and how do you reach it?
The Eaton County Department of Construction Codes inspects work and verifies code compliance within its listed jurisdiction6. Its office is at 1045 Independence Boulevard, Room 150, Charlotte, MI 48813; call 517-543-3004 or email ConstructionCode@eatoncounty.org16. Eaton County accepts construction-code applications through BS&A Online, with staff assistance and public computers available; online card payment follows staff review17. To request a county inspection, call 517-543-3004 and leave your name, phone number, permit number or job-site address, and inspection type18. County inspection hours are Monday through Friday, 9:00 a.m. to 4:00 p.m., excluding holidays19. Check the county jurisdiction list before applying because some communities administer construction codes locally5.
Does Eaton County have zoning?
Eaton County repealed county zoning in unincorporated areas effective June 30, 2026; township and municipal zoning authority remains7. Charlotte, Grand Ledge, Olivet, Bellevue village and Dimondale village have their own zoning2021222324. Private septic review remains with Barry-Eaton District Health Department, including inside Olivet and Dimondale32526. County zoning sets no minimum dwelling size, minimum lot size, setbacks, lot-coverage limit or building-height limit in unincorporated Eaton County1027112829. Ask the parcel's township, village or city for its current zoning map and ordinance; local zoning, building codes, septic separations, road requirements and floodplain restrictions may still constrain development11.
How do septic permits work in Eaton County?
The Barry-Eaton District Health Department evaluates Eaton County sites, issues on-site sewage permits and performs final reviews where municipal wastewater service is unavailable30. A site evaluation comes first; if the parcel can support development, the applicant submits the sewage-system application and fee before a sanitarian authorizes construction31. After installation, the owner or contractor must notify the department; the system can be covered after final approval and an approved tag32. Only 0.2% of Eaton County soils are rated without severe limits for a conventional drain field, so obtain the evaluation before fixing the house location or purchase budget33. The Eaton County health office is at 1033 Health Care Dr., Charlotte, MI 48813, and its phone is 517-543-243034.
Can you live in an RV or tiny home on land in Eaton County?
We could not confirm a countywide right to live in an RV on private land in Eaton County; ask the parcel's local government about RV occupancy, parking, utilities and time limits because the county zoning repeal left local zoning authority intact7. Eaton County Parks rules do not answer the private-land question: on property administered by the Parks and Recreation Commission, camping is allowed only in designated areas with a written permit35. A tiny home is not automatically exempt from approvals: Michigan guidance for tiny houses used as resort cabins requires applicable local zoning, building, electrical and plumbing permits and final approvals, along with health-department approvals for wells and septic systems36. County zoning itself sets no minimum dwelling size, but local-government rules and building-code minimums may still apply10.
What are the steps to build a home in Eaton County?
- Identify the township, village or city and obtain its zoning rules because Eaton County no longer administers county zoning2.
- Use the county jurisdiction list to determine whether Eaton County Construction Codes or another agency enforces codes for the parcel37.
- If municipal sewer is unavailable, arrange the health department's septic evaluation; a private well also needs a site evaluation and permit84.
- Confirm driveway access with the Eaton County Road Commission for a land division entering a county road, or with MDOT for a state highway38.
- Submit the building-permit application to the proper enforcing agency before construction; Eaton County accepts applications through BS&A Online where it has jurisdiction117.
- In Eaton County Construction Codes' jurisdiction, complete the required inspections and obtain the Certificate of Occupancy before permanently occupying the home; well and septic approvals are required when those systems serve the home, and permanent electrical service needs inspection and approval before energizing693940.
What should you check before buying land in Eaton County?
Confirm local zoning and code jurisdiction first because the county zoning repeal does not answer what a township, village or city allows2. Test septic feasibility early because only 0.2% of county soils lack severe limits for a conventional drain field, and budget separately for the required well evaluation, permit, final inspection and water sampling if the parcel needs a well334. For a land division entering a county road, ask the Eaton County Road Commission whether a driveway can be established; MDOT handles access from a state highway38. Michigan requires EGLE approval for regulated river, stream or drain floodplain work and prohibits new residential construction in the floodway; ask EGLE and the parcel's local government about the proposed building site41.
Watch-outs
- Eaton County's zoning repeal does not cancel township, village or city zoning; verify the parcel's local rules before assuming an RV, tiny home, setback or lot size is allowed7.
- Select county construction-code fees changed October 1, 2026; verify the current schedule before applying42.
- Michigan's owner-builder licensing exemption is limited to a residential structure built for the owner's own use and occupancy on the owner's property; it does not remove the building-permit requirement12.
Sources
- Building Permit Information, quoted and re-checked
- Resolution to Repeal the Eaton County Land Development Code, quoted and re-checked
- On-Site Sewage Systems, quoted and re-checked
- On-Site Drinking Water Wells, quoted and re-checked
- Department of Construction Codes, quoted and re-checked
- Department of Construction Codes, quoted and re-checked
- Resolution to Repeal the Eaton County Land Development Code, quoted and re-checked
- On-Site Sewage Systems, quoted and re-checked
- On-Site Sewage Systems, quoted and re-checked
- Resolution to Repeal the Eaton County Land Development Code, quoted and re-checked
- Resolution to Repeal the Eaton County Land Development Code, quoted and re-checked
- Builders FAQ, quoted and re-checked
- Charlotte: § 82-30 Permits (Eaton County), quoted and re-checked
- Grand Ledge: Building Department | Grand Ledge, MI (Eaton County), quoted and re-checked
- Village of Bellevue: official source (Eaton County), quoted and re-checked
- Eaton County Department of Construction Codes (eatoncounty.org)
- Homeowner Permit Applications, quoted and re-checked
- Department of Construction Codes, quoted and re-checked
- Department of Construction Codes, quoted and re-checked
- Charlotte: Charlotte, MI Laws (Eaton County), quoted and re-checked
- Grand Ledge: Code of Ordinances, § 46-125. Principal uses permitted subject to special conditions (Eaton County), quoted and re-checked
- Olivet: Olivet Code, Sec. 42-95 A-1 District: Agricultural (Eaton County), quoted and re-checked
- Village of Bellevue: Chapter 155: Zoning (Eaton County), quoted and re-checked
- Village of Dimondale: TITLE SIX - Zoning Code (Eaton County), quoted and re-checked
- Olivet: Eaton County Resources (Eaton County), quoted and re-checked
- Village of Dimondale: 1294.04 Required Water Supply and Sanitary Sewerage Facilities (Eaton County), quoted and re-checked
- Resolution to Repeal the Eaton County Land Development Code, quoted and re-checked
- Resolution to Repeal the Eaton County Land Development Code, quoted and re-checked
- Resolution to Repeal the Eaton County Land Development Code, quoted and re-checked
- On-Site Sewage Systems, quoted and re-checked
- On-Site Sewage Systems, quoted and re-checked
- On-Site Sewage Systems, quoted and re-checked
- Share of soils USDA rates "not limited" for a conventional septic drain field (SSURGO). A strict rating: the median county is about 6% and a tenth of counties are 0%, so a low figure means most lots need a site evaluation or an engineered system, not that septic is impossible. Cite it only with that caveat: Bolthole Index county data
- Barry-Eaton District Health Department - Eaton County Office (barryeatonhealth.org)
- Eaton County Parks Rules and Regulations Ordinance, quoted and re-checked
- michigan.gov (Michigan statewide rule), quoted and re-checked
- Eaton County Department of Construction Codes - Jurisdiction List (eatoncounty.org)
- Eaton County Land Division Application, quoted and re-checked
- Construction Booklet 2018, quoted and re-checked
- Construction Booklet 2018, quoted and re-checked
- Floodplains (Michigan statewide rule), quoted and re-checked
- Eaton County Construction Fee Schedule, quoted and re-checked
Written October 12, 2026 from the rules quoted below, each taken from an official source and re-checked by an independent reviewer. This is research, not legal advice: rules change, so confirm with the office before you buy or build.