Bolthole Index

Ionia County, Michigan

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

60Index Score / 100
#60 of 83 in Michigan

Ionia County, Michigan requires a building permit before construction of a building or structure, except for qualifying ordinary repairs1. The Ionia County Building Department accepts building and trade permit applications, while the county Health Department permits every new or repaired on-site sewage system23. Confirm zoning with the township, city, or village that governs the parcel because the available countywide zoning answer remains incomplete45.

At a glance

Building permit
Required for construction and changes in use or occupancy; qualifying ordinary repairs are excepted1
Permit office
Ionia County Building Department accepts building and residential trade permits2
Zoning
Confirm rules with the parcel's township, city, or village; no reliable countywide aggregate answer was confirmed45
Septic
County Environmental Health permits all on-site sewage systems, including repairs63
Well permit
County Environmental Health issues permits for new and replacement water wells7
RV living
Not confirmed countywide; ask the parcel's local zoning office4
Tiny home
Local zoning and construction approvals apply; countywide occupancy rules were not confirmed84
Owner-builder
An exemption was not confirmed; ask the Building Department9

Who to call

Building permits

Ionia County Building Department

Building permits and residential electrical, plumbing, and mechanical permits

(616) 527-5374

175 E. Adams Street, 2nd Floor, Ionia, MI 48846

Online permits →

Septic permits

Ionia County Health Department, Environmental Health

On-site sewage disposal and water-supply well permits, including soil and site evaluations

(616) 527-5341

175 E. Adams Street, Ionia, MI 48846

Contact details are copied from each office’s official page and were checked against it on September 28, 2026.

Do you need a building permit in Ionia County, Michigan?

Yes. 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 do not require a permit, but work involving structure, egress, plumbing, electrical or mechanical systems, or public health and safety is outside that exception1. Michigan applies its construction code statewide, with residential requirements contained in the Michigan Residential Code1011. The Ionia County Building Department is the local point of intake and issuance for building permits and residential electrical, plumbing, and mechanical permits2. The City of Portland independently enforces those codes, so property there follows the city's process rather than the county office's process2.

Who issues Ionia County building permits, and how do you reach them?

The Ionia County Building Department accepts building permits 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. Start there to identify the forms and enforcing jurisdiction for a proposed house, addition, or change of occupancy. The City of Portland independently enforces the listed construction codes, so owners of Portland property should use the city rather than assuming the county will issue the permit2. An Ionia County owner-builder exemption could not be confirmed; ask the Building Department how licensing and permit responsibilities apply before choosing to perform or supervise the work yourself9.

Does Ionia County have zoning?

Ionia County appears not to administer countywide zoning, but that should not be treated as proof that a parcel is unrestricted4. Michigan's zoning framework allows counties, townships, cities, and villages to establish zoning districts, and the actual districts and regulations must be checked with the applicable local government5. Keene Township, for example, publishes its own zoning districts and treats the official map in the Township Clerk's office as the final authority for a parcel's zoning status12. For any Ionia County parcel, identify the township, city, or village and ask its zoning official about allowed uses, setbacks, lot size, building height, accessory dwellings, and placement of an RV or tiny home. We could not confirm a reliable countywide answer for those dimensional or occupancy rules, so a county-level statement should not substitute for parcel-specific zoning review.

How do septic and well permits work in Ionia County?

The Ionia County Health Department's Environmental Health Division administers on-site sewage permitting countywide6. 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 fee313. 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 applying14. The county office also issues permits for new and replacement water wells7. 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 contingency15. Michigan requires a building with plumbing fixtures to connect to public sewer where available or otherwise use an approved private sewage-disposal system16.

Can you live in an RV or tiny home on land in Ionia County?

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 Michigan zoning districts and their use rules are established locally5. 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 approvals8. That state guidance does not itself establish permission to occupy a tiny house on a particular Ionia County parcel8. Any sanitary sewage from a residence must go to a municipal sewer or an on-site septic system rather than an unapproved off-grid disposal method17.

What are the steps to build a home in Ionia County?

  1. Identify the township, city, or village governing the parcel and obtain its zoning determination; Michigan's actual zoning districts and standards are local5.
  1. If public sewer is unavailable, submit the septic application and fee to Ionia County Environmental Health so the soil and site evaluation can occur before the permit is issued1316. Apply there for a new or replacement well permit when needed7.
  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 codes12.
  1. Confirm driveway and floodplain approvals with the relevant road and zoning authorities because countywide requirements were not confirmed.
  1. Complete required permit inspections and request the Certificate of Occupancy before using a new or altered building18.

What should you check before buying land in Ionia County?

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 an on-site sewage permit1513. Confirm the exact zoning district and allowed use with the parcel's township, city, or village; Keene Township's own ordinance illustrates why the official local map matters12. Verify legal road access and ask the road authority whether a driveway permit is required, since a countywide driveway rule could not be confirmed. Check flood status and ask the local zoning or building office what floodplain approval applies before fixing a house site. If land will be divided or platted, Michigan's state office reviews final plat maps for compliance with the Land Division Act before authorizing recordation19. Finally, budget for an effective property-tax rate around 1.2% and a median annual property-tax bill near $2,2112021.

Watch-outs

  • Do not assume an Ionia County parcel is unrestricted; confirm the township, city, or village zoning rules before relying on a proposed use45.
  • The City of Portland independently enforces construction codes, so Portland projects do not follow the county office's permitting path2.
  • The Environmental Health fee sheet lists $88 for a septic permit and $178 for a residential well permit but gives no effective date; confirm current fees with the office14.
  • Existing private-residence water and sewage inspections are offered for real-estate transactions or refinancing only22.

Sources

  1. Building Permit Information, quoted and re-checked
  2. Ionia County Building Department (ioniacounty.org)
  3. Water & Sewage – Ionia County, quoted and re-checked
  4. Keene Township (Ionia County) Zoning (2026 county census)
  5. Michigan Zoning Enabling Act (Michigan statewide rule), quoted and re-checked
  6. Environmental Health – Ionia County, quoted and re-checked
  7. Ionia County Health Department, Environmental Health (ioniacounty.org)
  8. 2022 ARVC - General (Michigan statewide rule), quoted and re-checked
  9. (2026 county census)
  10. Building Permit Information, quoted and re-checked
  11. Code Books (Michigan statewide rule), quoted and re-checked
  12. Keene Township Zoning Ordinance, quoted and re-checked
  13. Water & Sewage – Ionia County, quoted and re-checked
  14. Common Environmental Health Fees, quoted and re-checked
  15. Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
  16. Michigan Part 7 Plumbing Code Rules (Michigan statewide rule), quoted and re-checked
  17. Disposal of residential wastewater such as swimming pool water (Michigan statewide rule), quoted and re-checked
  18. Certificate of Occupancy Request (Michigan statewide rule), quoted and re-checked
  19. Subdivisions (Michigan statewide rule), quoted and re-checked
  20. Effective property tax rate: Bolthole Index county data
  21. Median property tax bill: Bolthole Index county data
  22. Water & Sewage – Ionia County, quoted and re-checked

Written September 28, 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.

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County locator

Ionia County in Michigan

60
County map
Ionia County highlighted among the Michigan counties · colored by Index score

How Ionia County scores

Seclusion22100% ev.
Self-Sufficiency71100% ev.
Admin Boringness5690% ev.
Durability81100% ev.
Property Autonomy77100% ev.
Carry Cost72100% ev.

Evidence strength: 98%. This reports direct-source completeness and fallback use; it is separate from the score and is not a confidence interval. How it works →

$270kTypical home
1.2%Property tax
$6,594Land / acre
35.9"Annual rain
1.2% of yrsSevere drought
2.8 / yr (+2.7)Mid-century 100°F days
11.3 daysMid-century dry spell
1.61" (+7.6%)Mid-century 1-day rain
1.64×Wildfire change factor
100%Forward climate coverage
$1,122Home insurance / yr
-1.1% / yrInsurance growth
0.64%Nonrenewal rate
county median (2+ published ZIPs)Insurance basis
108,735People within 30 min
5,779,512People within 2 hr
92,513Radius comparison (15 mi)
116People / sq mi
0.1%Federal land
97.3%Land at 15% slope or less
1.7%Septic soil without severe limits
5,807 acWorkable land screen
31%Wooded land
60.3 tonsBiomass / forest ac
47.7°FAvg temp

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Answers from the rulebook for Ionia County

What the ordinances and state agencies actually say — one answer per question, each quoted from the official source and independently re-checked.

Ionia County rules

  • Who permits septicCounty

    On-site sewage disposal and related environmental-health permitting in Ionia County.

    • The administering body is the Ionia County Health Department Environmental Health Division.
    “The Environmental Health Division of the Ionia County Health Department seeks to protect public health through the application of inspection and permitting activities”
  • Septic permitRequired

    New, repair, and other on-site sewage systems in Ionia County.

    • Application and fee payment are required before soil and site evaluations.
    • The page states permits are issued for all on-site sewage systems, including repairs.
    “Permits are issued for all on-site sewage systems”
  • Septic inspectionLimited

    Inspections of existing private-residence water-supply and sewage-disposal systems in Ionia County.

    • Inspections are conducted for real-estate transactions or refinancing of private residences only.
    • A request form and fees must be submitted.
    • A full written report with a determination of system conditions is provided.
    “for real estate transactions or refinancing of private residences only.”
  • Permit feesPublished (with conditions)

    Ionia County Environmental Health permit fees.

    • The fee document states that fees not listed require contacting Environmental Health.
    • The retrieved document does not state an effective date.

    septic permit new/repair: 88 USD · residential well permit: 178 USD

    “Septic Permit- New/Repair $ 88.00 [...] Well Permit-Residential $178.00”
  • Permit processPartial

    Ionia County on-site sewage permit process.

    • Application and fee payment precede soil and site evaluations.
    • The source does not provide the complete building, zoning, driveway, or floodplain permit process.
    “After application and fee payment, soil and site evaluations are conducted”
  • County-wide zoningAbsent

    Zoning in Ionia County is administered at the township and city level (e.g., Keene Township, Orange Township, City of Ionia) under Michigan's Zoning Enabling Act rather than by a county-wide zoning ordinance.

    Keene Township (Ionia County) Zoning ↗Scouted from the county site, not yet independently re-checked

Michigan rules that apply here

  • Building permitRequired

    Construction of a building or structure and changes in use or occupancy in Ionia County, subject to the appropriate enforcing agency.

    • A permit is not required for ordinary repairs.
    • Ordinary repairs exclude structural, egress, plumbing, electrical, mechanical, and other work affecting public health or general safety.
    • Applications must be submitted to the appropriate enforcing agency.
    “Before construction of a building or structure [...] shall submit an application in writing [...] for a building permit.”
  • Building code adoptedAdopted (with conditions)

    Construction, alteration, relocation, demolition, use, and occupancy of buildings and structures statewide in Michigan, including residential requirements administered under the Michigan Residential Code.

    • The current Michigan Building Code is the 2021 edition and is effective April 9, 2025.
    • The rule adopts the International Building Code by reference with Michigan amendments and exceptions.
    • The adopted rule excludes sections 104.2, 104.3, 104.8, 104.8.1, 104.10, 105.3, 105.3.1, 105.3.2, 105.6, 109.2 to 109.6, 111.2, 111.3, 113.2, 113.3, 113.4, 114.1, 114.2, 114.3, 114.4, 115.1 to 115.4, 423.5, 423.5.1, 423.5.2, 903.2.8.4, 2902 to 2902.6, Table 2902.1, section 3005.5, the definition of agricultural building in section 202, and the definition of recreational vehicle in Appendix G.
    • The rule also incorporates IECC 2021, IEBC 2021, IMC 2021, IPC 2021, IPSDC 2021, and NFPA 70 2023 as listed in chapter 35.
    • Residential requirements are contained in the Michigan Residential Code.
    • The code may be purchased from the International Code Council through the bureau website at a cost of $144.00 as of the time of adoption of the amendatory rules.

    building code edition: 2021 Michigan Building Code (Michigan amendments and listed exceptions apply) · effective date: 2025-04-09

    “The provisions of the international building code, 2021 edition, including appendices F, G, and H, except for [...] govern the construction, alteration, relocation, demolition, use, and occupancy of buildings and structures, and, with exceptions noted, the international building code is adopted by reference in these rules.”
    One more reviewed finding on this topic
    • Adopted (with conditions) — Michigan construction statewide, including Ionia County where the state code applies.
      “The Michigan Building Code controls all matters”
  • Certificate of occupancyRequired

    A new building or altered building subject to the Michigan construction code.

    • The building or altered building may not be used or occupied until the code official issues a Certificate of Occupancy.
    • The permit holder or authorized agent must submit a written request after project completion.
    • The request must include applicable building, electrical, mechanical, plumbing, boiler, elevator, plan-review, and school fire-services project numbers.
    • The certificate cannot be issued until all fees are paid, permits are finaled, and permitted work is completed in accordance with the permit, code, and applicable laws and ordinances.
    • If an electrical, mechanical, plumbing, boiler, elevator, plan-review, or Fire Services project is not required, the request must state “not applicable.”
    “A new building or a building that is altered shall not be used or occupied until a Certificate of Occupancy is issued by the code official.”
  • Zoning districtsPartial

    Michigan's statutory zoning framework for counties, townships, cities, and villages; this does not identify the actual zoning districts adopted by each local government.

    • Actual zoning districts and district regulations are local and must be checked in the applicable county, township, city, or village ordinance.
    • The cited act's stated effective date is July 1, 2006.
    “to provide for the establishment in counties, townships, cities, and villages of zoning districts;”
  • Off-grid sanitationLimited

    Residential sanitary sewage disposal in Michigan without connection to a municipal sanitary sewer.

    • Sanitary sewage from toilets, sinks, showers, washing machines, and dishwashers must be directed to a municipal sanitary sewer or an onsite septic system.
    • An onsite septic system is subject to the EGLE-coordinated permitting and local-health-department permitting and inspection framework.
    • The source does not establish a statewide authorization for untreated discharge or arbitrary off-grid sanitation methods.
    “All sanitary sewage [...] must be directed to municipal sanitary sewer or to an onsite septic system.”
  • Mandatory utility hookupConditional

    Buildings and premises in Michigan that have plumbing fixtures or drainage piping.

    • Connection must be to a public sewer where available, or otherwise to an approved private sewage disposal system.
    • Plumbing work cannot begin until the appropriate enforcing agency issues a permit.
    • Local requirements may apply to water service and building sewer installation.
    “Every building in which plumbing fixtures are installed [...] shall be connected to a public sewer, where available, or an approved private sewage disposal system.”
  • Subdividing landRegulated (with conditions)

    Subdivision plats and the orderly development of subdivisions in Michigan.

    • The Michigan Office of Land Survey and Remonumentation administers applicable provisions of the Land Division Act, 1967 PA 288.
    • Staff conducts final reviews of plat maps for compliance with the Act.
    • Final plats are authorized for submission to the Register of Deeds for proper recordation.
    “Staff conducts final reviews of plat maps to ensure compliance with the Act and authorizes final plats to be submitted to the Register of Deeds for proper recordation.”
  • Campground & park staysLimited

    Tiny houses, including tiny houses built on wheels, proposed as resort cabins or similar occupancy in Michigan.

    • The source distinguishes tiny houses from recreational units and states they cannot be treated as recreational units even if built on wheels.
    • The tiny house must be built as a resort rather than a campground.
    • Local health department permitting for wells, septic tanks, and drainfields is required as applicable.
    • Local zoning, building, electrical, and plumbing permits and final approvals are required under local authorities.
    • The source does not establish statewide zoning permission or a statewide right to occupy a tiny house.
    “Local zoning, building, electrical, plumbing permits and final approvals under local authorities.”
  • county building authorityGeneral

    Michigan counties serving as building-code enforcing agencies for residential construction in unincorporated areas, subject to the Statewide Jurisdiction List and local/state jurisdiction assignments.

    • Before construction, a written building-permit application must be submitted to the appropriate enforcing agency.
    • A permit is also required when use or occupancy changes.
    • Ordinary repairs do not require a permit, but the stated structural, egress, plumbing, electrical, mechanical, and public-health/safety limitations apply.
    • The Michigan Building Code and Michigan Residential Code govern construction; county enforcement applies only where the Statewide Jurisdiction List designates county jurisdiction.
    “If COUNTY is indicated, that unit of government receives code enforcement services from a county enforcing agency.”

Inside cities and towns in Ionia County

Municipal rules found while researching the county. They apply inside that city or town, not to unincorporated land.

  • Zoning districtsPublished (with conditions)

    The unincorporated portions of Keene Township, Ionia County, Michigan.

    • District locations are shown on the Official Zoning Map, which is adopted by reference as part of the ordinance.
    • The ordinance states that the Official Zoning Map located in the Township Clerk's office is the final authority for current zoning status of a land, parcel, lot, district, use, building, or structure.
    • The Renewable Energy Overlay District was added 6-10-2025.
    • Uses, buildings, and structures are subject to the regulations applicable in the zoning district where located; special uses require the required conditions to be met.
    • All uses of land, buildings, or structures must also conform to applicable local, county, state, and federal laws, rules, and regulations.

    zoning districts: RD—Resource Development; AG—Agricultural; AR—Agricultural Residential; NR—Natural River; RR—Rural Residential; LDR—Low Density Residential; CC—Convenience Commercial; I—Industrial; PUD—Planned Unit Development; REO—Renewable Energy Overlay (REO was added 6-10-2025.)

    “The Township is hereby divided into the following zoning districts as shown on the Official Zoning Map, which together with all explanatory matter shown thereon, is hereby adopted by reference and declared to be a part of this Ordinance. Article IV RD - Resource Development District Article V AG - Agricultural District Article VI AR - Agricultural Residential District Article VII NR - Natural River District Article VIII RR - Rural Residential District Article IX LDR - Low Density Residential District Article X CC - Convenience Commercial District Article XI I - Industrial District Article XIII PUD - Planned Unit Development District Article XXVII REO – Renewable Energy Overlay District (Added 6-10-2025)”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission — ask the county directly.

  • Owner-builder exemption — Owner-builder exemptions from residential builder licensing or permitting requirements in Ionia County.
  • Inspections — Building inspections in Ionia County.
  • Local zoning — Local zoning within Ionia County, including townships, cities, and villages.
  • Minimum dwelling size — Minimum dwelling size requirements in Ionia County.
  • Minimum lot size — Minimum lot size requirements in Ionia County.
12 more unanswered
  • Setbacks
  • Lot coverage
  • Building height
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Manufactured homes
  • Accessory dwellings
  • Agricultural exemption
  • Driveway access
  • Building in a floodplain
  • Short-term rentals

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.

Living off-grid in Ionia County, Michigan

Is Ionia County a good place to live off-grid or homestead?

Ionia County scores 60/100 on the Bolthole Index, a solid county profile. Its strengths: mixed durability signals and a stronger property-autonomy legal backdrop. Watch-outs: about 108,735 people within a 30-minute drive.

Do you need a building permit in Ionia County, Michigan?

Ionia County generally requires a residential building permit, and it has no county-wide zoning. Onsite septic is permitted by Ionia County Health Department, Environmental Health Division. These answers are quoted from official sources and independently re-checked. Rules change and cities within the county differ — always confirm with the county before you buy or build.

How much does land cost in Ionia County, Michigan?

Land in Ionia County runs about $6,594 per acre, based on the latest county data.

What is the water situation in Ionia County?

Ionia County gets about 35.9" of rain a year, with severe drought in roughly 1.2% of years.

How remote is Ionia County?

A representative private-land location has about 108,735 people within a 30-minute drive and 5,779,512 within two hours. The road-network catchments count population across county lines and clusters of smaller cities; straight-line radius values remain available as a comparison.

Off-grid gear

Going off-grid in Ionia County means bringing your own water and power. The kit we’d start with:

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How Ionia compares in Michigan

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