Crawford County, Michigan requires a building permit for residential construction, issued by the county's Department of Building and Safety1. The county also administers its own zoning ordinance, with a Zoning Board of Appeals for variances2. District Health Department No. 10 issues septic permits and handles site evaluation, system design and final inspection3. If you're building it yourself for your own use, Michigan lets you act as your own general contractor without a residential builder license, though you still need the permit and inspections45.
At a glance
- Building permit
- Required, issued by the Crawford County Department of Building and Safety1
- Zoning
- Countywide zoning ordinance, administered with a Zoning Board of Appeals2
- Septic permits
- District Health Department No. 10 issues permits and handles site evaluation, design and final inspection3
- Septic soils
- Only 0.1% of county soils are free of severe limits for a conventional drain field6
- Owner-builder
- Allowed; a homeowner may act as their own general contractor on their own property without a residential builder license45
- Certificate of occupancy
- Required statewide before a new or altered building can be used or occupied7
- RV / tiny home living
- Not addressed directly by an official county page; state rules on campgrounds and tiny houses apply once you have five or more units or build as a resort89
Who to call
Building permits
Crawford County Department of Building and Safety
Building, electrical, mechanical and plumbing permits, inspections, fire inspection applications, and Zoning Board of Appeals matters (variances, special-use permits, site-plan review) for Crawford County
200 W. Michigan Ave, Grayling, MI 49738
Septic permits
District Health Department No. 10 (DHD#10), Crawford County office
Well and septic construction permits, site evaluation and design review, and final-work inspection for Crawford County
Contact details are copied from each office’s official page and were checked against it on September 29, 2026.
Do you need a building permit in Crawford County, Michigan?
Yes. Crawford County requires a building permit for construction of a building or structure, issued through the county's Department of Building and Safety, and a permit is also required whenever the use or occupancy of a structure changes110. Ordinary repairs don't need a permit, but that exemption doesn't cover work involving structural elements, required exits, or anything affecting public health or general safety11. Most applications need construction documents, and for anything beyond a one- or two-family dwelling under 3,500 square feet (or public work under $15,000), those documents generally have to be sealed by a licensed architect or engineer11. A narrow exemption exists for shade-cloth structures built strictly for nursery or agricultural purposes, though it doesn't cover any service systems attached to them12.
Who is the Crawford County building department, and how do you reach them?
The Crawford County Department of Building and Safety, at 200 W. Michigan Ave in Grayling, is the office for building, electrical, mechanical and plumbing permits, plus fire-inspection applications13. The same office also staffs the Zoning Board of Appeals, so it's your first call for a variance, special-use permit or site-plan review as well as a construction permit13. Applications can be submitted online or by mail, though the county's own guidance warns that mailed applications can take longer to process11.
Does Crawford County have zoning?
Yes, Crawford County administers its own countywide zoning ordinance, with a Zoning Board of Appeals to hear variance requests and amendment petitions213. The specific numbers a buyer would want to know before building, minimum lot size, setbacks, lot coverage, building height and minimum dwelling size, are set in the zoning ordinance and master plan documents, which could not be reliably opened and quoted for this guide; get those figures directly from the Department of Building and Safety for your specific parcel13. Michigan's statewide zoning-enabling law lets counties, townships, cities and villages each set their own zoning districts, so if your land sits near a township or municipal boundary, it's worth confirming which authority's ordinance actually governs it14.
How do septic permits work in Crawford County?
District Health Department No. 10 issues private well and septic permits in Crawford County, evaluates the site, designs the septic system, locates the well area and inspects the finished work3. A homeowner may install their own septic system, but any other installer must be licensed by DHD#103. Before the system is covered or backfilled, the owner or contractor must contact the local sanitarian at least 24 hours ahead for a final inspection; if the sanitarian cannot attend within that window, the sanitarian may authorize a Contractor Affidavit before covering3. Soils are the defining constraint on building here: only 0.1% of Crawford County's soils are free of severe limits for a conventional drain field, so get DHD#10's site evaluation before committing to a house location or assuming a standard system will work63.
Can you live in an RV or tiny home on your land in Crawford County?
No official Crawford County page directly addresses long-term RV or tiny-home occupancy on an individual private parcel, so treat this as unconfirmed rather than settled. What is clear is what doesn't apply to a single owner: Michigan's campground-licensing rule only kicks in once a site allows five or more recreational units, so a single RV on your own land isn't the situation that rule was written for8. A temporary campground, by contrast, needs a license from the local health department, can't run more than two weeks at a stretch (four weeks total, with a 30-day gap before the same location can host another), and needs an application at least 14 days before the event starts15. Michigan treats a tiny house, even one built on wheels, as a home rather than a recreational unit if it's meant for occupancy: it needs local zoning, building, electrical and plumbing approval, plus local health department permitting for its well and septic, the same as any other house9. Given Crawford County has its own zoning ordinance, check with the Department of Building and Safety before placing either one13.
Building a home in Crawford County: the steps, in order
- Confirm your parcel's zoning district and any applicable setbacks, lot-size or height limits with the Department of Building and Safety before you finalize a site plan13.
- Decide whether you'll act as your own general contractor; Michigan allows this for your own property and occupancy without a residential builder license, though the permit and inspection requirements still apply5.
- Apply to DHD#10 for the septic permit and site evaluation before locking in a house location; DHD#10 evaluates the site, designs the system and locates the well area3.
- Submit your building-permit application in writing to the Department of Building and Safety, with construction documents sealed by an architect or engineer unless your home is a one- or two-family dwelling under 3,500 square feet1311.
- If any part of your site touches the 100-year floodplain of a river, stream or drain with a drainage area of 2 square miles or more, plan for an EGLE Part 31 permit and keep new residential construction out of the floodway itself16.
- If you install the septic system yourself, follow DHD#10's approved design; anyone else doing the installation must be licensed by DHD#103. Contact the local sanitarian at least 24 hours before backfilling for the final inspection3.
- Request your Certificate of Occupancy in writing once all permitted work, fees and finals are complete; Michigan law bars occupying a new or altered building until the code official issues one7.
What to check before you buy land in Crawford County
Soils come first: only 0.1% of Crawford County is free of severe limits for a conventional septic drain field, so treat every parcel as needing a Health Department site evaluation before you assume it's buildable with a standard system6. The terrain itself is forgiving, with 92.6% of the county at 15% slope or less, but 76.4% of the county is wooded, so clearing costs belong in your budget on most lots1718. Federal land covers 39.3% of Crawford County, among the highest shares on Bolthole Index, so confirm your parcel's boundaries against adjacent public land before you buy19. If any part of the property is near a river, stream or drain, check its floodway status; Michigan requires a 1-foot elevation above the 100-year flood level for residential construction within a mapped floodplain, and new residential construction is barred from the floodway itself16. Splitting land into a new subdivision or condominium project requires notifying the state and local governments and getting the final plat reviewed for compliance with Michigan's Land Division Act before it can be recorded20. Property taxes run an effective rate of 1.1%, with a median bill of $1,639 a year, against a typical home value around $179,615212223.
Watch-outs
- The specifics of Crawford County's zoning ordinance (minimum lot size, setbacks, building height, minimum dwelling size) could not be reliably opened and quoted for this guide; get exact numbers from the Department of Building and Safety for your parcel13.
- DHD#10's Crawford County office contact details (phone, address) could not be verified live or against a recent archive during this research; confirm them directly at dhd10.org before you apply for a septic permit24.
- Whether long-term RV or tiny-home occupancy on an individual private lot is allowed in Crawford County is not addressed by any official county page found in this research; the state rules cited here cover campgrounds and resorts, not a single owner on their own land8.
Sources
- Crawford County Building & Safety - Permits and Forms (2026 county census)
- Crawford County Building & Safety - Zoning Board of Appeals (2026 county census)
- Residential Well & Septic, quoted and re-checked
- Michigan LARA - Helpful Information for Homeowners (2026 county census)
- Frequently Asked Questions – Residential Builder (RB), quoted and re-checked
- Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
- Certificate of Occupancy Request (Michigan statewide rule), quoted and re-checked
- Starting a campground, quoted and re-checked
- 2022 ARVC - General (Michigan statewide rule), quoted and re-checked
- Building Permit Information, quoted and re-checked
- Building Permit Information, quoted and re-checked
- R 408.30409 Permits. Work exempt from permit., quoted and re-checked
- Crawford County Department of Building and Safety (crawfordco.org)
- Michigan Zoning Enabling Act (Michigan statewide rule), quoted and re-checked
- Temporary campgrounds, quoted and re-checked
- Floodplains, quoted and re-checked
- Share of land at 15% slope or less: Bolthole Index county data
- Wooded share of land: Bolthole Index county data
- Federal land share: Bolthole Index county data
- Subdivisions, quoted and re-checked
- Effective property tax rate: Bolthole Index county data
- Median property tax bill: Bolthole Index county data
- Typical home value (Zillow): Bolthole Index county data
- District Health Department No. 10 (DHD#10), Crawford County office (dhd10.org)
Written September 29, 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.