Building permits, zoning and land rules in Ionia County, Michigan

Before constructing a building or structure, or changing its use or occupancy, an applicant in Ionia County must submit a written building-permit application to the appropriate enforcing agency¹. Qualifying ordinary repairs are excepted, but structural, egress, plumbing, electrical, mechanical, and other work affecting public health or safety falls outside that exception¹. Michigan's construction code applies statewide, with residential requirements in the Michigan Residential Code¹. For unincorporated land in its service area, start with the Ionia County Building Department, which accepts building and residential trade permits². Portland independently enforces building codes; building permits in Lake Odessa and Saranac are handled through the county enforcing agency^1,2,8. In Pewamo, placing or occupying a mobile home as a dwelling requires a building permit and a certificate of occupancy upon completion⁹. Septic permits throughout Ionia County remain with Environmental Health⁴.

The Ionia County Building Department accepts building and residential electrical, plumbing, and mechanical permits². The office is on the second floor of the Health and Human Services Building at 175 E. Adams Street, Ionia, MI 48846, and its main phone number is (616) 527-5374². Ask the Building Department to identify the forms and enforcing jurisdiction for the proposed house, addition, or occupancy change. Michigan's owner-builder licensing exemption covers a residence built on the owner's property for the owner's own use and occupancy; the exemption does not waive the building-permit application⁷. Construction codes, local zoning approval, and septic permits remain separate requirements^1,3,5.

Zoning varies among Ionia County's townships, cities, and villages; zoned areas require local approval before building-permit submittal³. Belding, Portland, Lake Odessa, and Pewamo have their own zoning; septic permits remain with Ionia County Environmental Health^{4,10,11,12,13}. For unincorporated Keene Township, the Official Zoning Map in the Township Clerk's office is the final authority for a parcel's current district; district rules govern uses, buildings, and structures¹⁴. Danby Township's general single-family minimum is 760 square feet of living space unless another ordinance provision applies¹⁵. Danby's Agricultural District requires a 1-acre lot, 110 feet of width, a 40-foot front setback, and a 15-foot side setback¹⁵. Ask the parcel's local zoning office for the applicable district and standards before choosing a house design.

The Ionia County Health Department's Environmental Health Division administers on-site sewage permitting countywide⁴. A permit is required for every on-site sewage system, including a repair, and the county conducts soil and site evaluations after receiving the application and fee⁵. The published fee sheet lists $88 for a new or repair septic permit and $178 for a residential well permit, but the document has no stated effective date, so confirm the current charge before applying¹⁶. Ionia County also issues permits for new and replacement water wells, and the application and fee are due before the site visit⁵. Only 1.7% of Ionia County soils are rated without severe limitations for a conventional septic drain field, making the site evaluation an especially important early contingency¹⁷. Michigan requires a building with plumbing fixtures to connect to public sewer where available or otherwise use an approved private sewage-disposal system¹⁸.

We could not confirm a countywide rule allowing long-term RV occupancy or private-land camping in Ionia County. Ask the township, city, or village zoning office for the parcel before buying or moving an RV onto the land because zoning approval is administered locally³. For tiny houses proposed as resort cabins or similar occupancy, Michigan guidance says even a tiny house on wheels is not treated as a recreational unit and requires applicable local zoning, building, electrical, plumbing, well, and septic approvals⁶. Danby Township's general minimum is 760 square feet of living space for a single-family dwelling unless another ordinance provision applies, so a smaller tiny home may not qualify there¹⁵. That Danby rule does not establish permission or a minimum size elsewhere. Any sanitary sewage from a residence must go to a municipal sewer or an approved on-site septic system¹⁹.

1. Identify the township, city, or village governing the parcel and obtain local zoning approval where required before submitting a building-permit application³.

1. If public sewer is unavailable, submit the septic-permit application and fee to Ionia County Environmental Health so the soil and site evaluation can occur before issuance^5,18. For a new or replacement well, submit the well-permit application and fee before the county's site visit⁵.

1. Resolve access and floodplain constraints before fixing the house site. Access to a state trunkline requires an MDOT driveway permit, while the driveway-permit rule for other roads must be confirmed with the road authority²⁰. Altering or occupying a regulated river, stream, or drain floodplain requires EGLE review, and new residential construction is prohibited in the floodway²¹.

1. Submit the building-permit application to the appropriate enforcing agency; Ionia County's office accepts building and residential trade permits, while the City of Portland enforces its own codes^1,2.

1. Schedule the periodic building inspections required for permitted construction, then request the Certificate of Occupancy before using the completed or altered building^22,23.

Make septic feasibility a purchase contingency: only 1.7% of county soils are rated without severe limitations for a conventional drain field, and Ionia County evaluates the soil and site before issuing a septic permit^5,17. Confirm the exact zoning district and allowed use with the parcel's township, city, or village because zoning approval is local³. Danby's Agricultural District, for example, requires a 1-acre lot with 110 feet of width and imposes district-specific setbacks¹⁵. Verify legal road access and identify the road authority: access to a state trunkline requires an MDOT driveway permit, but the driveway-permit rule for other roads could not be confirmed countywide²⁰. Check flood status before fixing a house site because EGLE regulates qualifying river, stream, and drain floodplains and prohibits new residential construction in the floodway²¹. If land will be divided or platted, Michigan's state office reviews final plat maps for compliance with the Land Division Act before authorizing recordation²⁴. Finally, budget for an effective property-tax rate around 1.2% and a median annual property-tax bill near $2,211¹⁷.