Grant County, Arkansas requires a county permit for construction and other development in floodplain areas, but we could not confirm a general residential building permit outside those areas1. Arkansas's statewide building and fire code applies even where permits or inspections are not required2. Septic permits go through the Arkansas Department of Health and the Grant County Health Unit3.
At a glance
- Building permit
- Required for construction and other development in floodplain areas; general permits elsewhere are unconfirmed1
- Building code
- Arkansas's statewide building and fire code applies in Grant County4
- Zoning
- Listed as no countywide zoning, but current official materials do not expressly confirm that conclusion5
- Septic permits
- Arkansas Department of Health, working through the Grant County Health Unit3
- Floodplain development
- County permit required before work in a FEMA-designated Special Flood Hazard Area6
- Owner-builder
- Licensing exemption for an owner building one residence in a calendar year; other rules still apply7
- RV or tiny home
- Single-site occupancy is unconfirmed; qualifying paid parks with three or more spaces are state-regulated89
- Well work
- Use a licensed Arkansas well contractor; no separate owner-applied private-well permit was confirmed10
Who to call
Septic permits
Arkansas Department of Health Grant County Health Unit
Local contact for Arkansas Department of Health services; the statewide Onsite Wastewater program works with county Environmental Health Specialists on septic applications and site visits
700 E Center St, Sheridan, AR 72150
Septic permits
Arkansas Department of Health Onsite Wastewater Program
Statewide onsite wastewater policy and permit-application review in cooperation with county Environmental Health Specialists
4815 W. Markham Street, Slot 46, Little Rock, AR 72205
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 Grant County, Arkansas?
Grant County requires a permit for construction, repairs, additions, digging, fences, fill and tree removal when the project is in a floodplain; the County Floodplain Administrator issues that permit1. For a project in a FEMA-designated Special Flood Hazard Area, obtain the Floodplain Development Permit before work begins; a Compliance Certificate is required before the development may be used or occupied6. We could not confirm a general residential building-permit requirement outside floodplain areas, so ask the County Judge's Office about the parcel and scope of work before ordering materials. Arkansas building-code requirements remain statewide minimums even where no permit or inspection is required2. The statewide source recognizes places without inspections but does not establish Grant County's inspection status11.
Who issues permits in Grant County, Arkansas?
The County Floodplain Administrator issues permits for construction and other development in Grant County floodplain areas1. We could not confirm a separate general building or inspection office for work outside floodplains, so start with the County Judge's Office for a parcel-specific answer. Septic applications are handled through the Arkansas Department of Health's Onsite Wastewater program in cooperation with the local Environmental Health Specialist, and the Grant County Health Unit is the local contact31213. A driveway built or changed on state highway right-of-way requires an Arkansas Department of Transportation permit issued through the District Engineer14. We could not confirm whether Grant County requires a driveway-access permit for county-maintained roads; ask the County Judge's Office before changing an entrance.
Does Grant County, Arkansas have zoning?
Grant County is listed as having no countywide zoning, but the county's current official ordinance and department pages do not expressly establish that unincorporated Grant County has no zoning5. Ask the County Judge's Office whether a parcel is subject to a county land-development ordinance, and ask the relevant city before relying on the county answer for land inside municipal limits. We could not confirm a county minimum dwelling size, minimum lot size, general building setback, lot-coverage limit or building-height limit for unincorporated land. Subdivision plats are not unrestricted: before an unincorporated-area plat can be recorded, the county court must accept roads for perpetual maintenance and any land dedicated for public purposes15. A nonresidential farm building has a state exemption from specified electrical licensing and code-authority requirements, but that exemption does not erase floodplain, septic, zoning or other approvals16.
How do septic permits work in Grant County?
Grant County septic systems go through the Arkansas Department of Health's Onsite Wastewater program and the local Environmental Health Specialist at the Grant County Health Unit31213. Review fees are $30 for a structure of 1,500 square feet or less, $45 through 2,000 square feet, $90 through 3,000 square feet, $120 through 4,000 square feet, $150 above 4,000 square feet, and $30 for an alteration, repair or extension17. The installer must request inspection and submit the required documents to the local health unit within five days; use cannot begin until the Authorized Agent issues the Permit for Operation18. No mapped county soil is rated free of severe limitations for a conventional drain field, so make the site evaluation an early purchase contingency rather than assuming a standard system will work19. If an available sanitary sewer is within 300 feet of the building's sewer exit and connection does not cross another person's property, connection is required instead of septic20.
Can you live in an RV or tiny home in Grant County?
We could not confirm whether Grant County allows, limits or prohibits living in one RV or tiny home on ordinary private land outside a regulated park; ask the County Judge's Office and the municipality if the parcel lies inside city limits. Arkansas treats a site with three or more paid spaces receiving placement or maintenance services as a regulated mobile-home or recreational-vehicle park21. A regulated RV park is for transient stays, typically by the night or week, and its plans require Arkansas Department of Health approval8. In that setting, a tiny house on wheels is treated as a mobile home when plumbed and inspected under the Arkansas Plumbing Code and as an RV when it is not22. RVs in a regulated park must remain movable and sit at least 15 feet from other RVs and structures23. A manufactured home installed in Arkansas must be anchored under the applicable standard24.
Building a home in Grant County: the steps, in order
- Confirm whether the parcel is unincorporated and ask the County Judge's Office whether permits beyond floodplain approval apply; we could not confirm a general residential permit outside floodplain areas.
- Check flood status before design; construction and other development in a floodplain require a permit from the County Floodplain Administrator1.
- Arrange the septic site evaluation early because no mapped county soil is rated free of severe limits for a conventional drain field19.
- Apply through the Grant County Health Unit and budget the state review fee for the building size1217.
- Use a licensed Arkansas well contractor if the parcel needs a private well10.
- Obtain ARDOT approval before working on a driveway within state highway right-of-way14.
What should you check before buying land in Grant County?
Make septic feasibility the first contingency because 0% of mapped Grant County soils are rated without severe limits for a conventional drain field19. Check flood status and access next: development in a designated flood hazard area needs county approval, while work on state highway right-of-way needs ARDOT approval614. Confirm whether the deed describes an existing legal parcel or a proposed subdivision because an unincorporated-area plat cannot be recorded until the county court accepts roads and public-purpose dedications15. The land is heavily wooded and mostly gentle, with 86.3% forest cover and 94.7% at a slope of 15% or less, so clearing may matter more than major grading on many parcels2526. The effective property-tax rate is about 0.5%, and the median annual tax bill is about $8402728.
Watch-outs
- A floodplain permit can expire if work does not begin within six months, and a Compliance Certificate is required before the development may be used or occupied6.
- Grant County is listed as having no countywide zoning, but current official materials do not expressly confirm that conclusion; ask the County Judge's Office and any municipality with jurisdiction before relying on an unrestricted-use assumption5.
- No mapped Grant County soil is rated free of severe limits for a conventional septic drain field, so obtain a site evaluation before treating a homesite as buildable19.
Sources
- Floodplain | Grant County, AR, quoted and re-checked
- Home Improvement New Application, quoted and re-checked
- Arkansas Department of Health - Onsite Wastewater (2026 county census)
- Arkansas Legislative Review Summary: 2021 Arkansas Fire Prevention Code, quoted and re-checked
- Grant County, AR - Officials & Departments (2026 county census)
- Floodplain | Grant County, AR, quoted and re-checked
- Rules of the Residential Contractors Committee, quoted and re-checked
- 20 CAR § 138-101. Definitions, quoted and re-checked
- 20 CAR § 138-101. Definitions, quoted and re-checked
- Arkansas Water Well Construction Commission Rules (updated 2020), quoted and re-checked
- Home Improvement New Application, quoted and re-checked
- Arkansas Department of Health Grant County Health Unit (healthy.arkansas.gov)
- Arkansas Department of Health Onsite Wastewater Program (healthy.arkansas.gov)
- Regulations: Rules for Access Driveways to State Highways (Arkansas statewide rule), quoted and re-checked
- Act 277 of the Regular Session, quoted and re-checked
- 17 CAR § 210-602. Construction and exemptions, quoted and re-checked
- Rules Pertaining to Onsite Wastewater Systems (2024), quoted and re-checked
- Rules Pertaining to Onsite Wastewater Systems (2024), quoted and re-checked
- Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
- Rules Pertaining to Onsite Wastewater Systems (2024), Section 4.1, quoted and re-checked
- 20 CAR § 138-102. Compliance (Arkansas statewide rule), quoted and re-checked
- 20 CAR § 138-101. Definitions (Arkansas statewide rule), quoted and re-checked
- 20 CAR § 138-101. Definitions, quoted and re-checked
- 20 CAR § 911-504. Anchoring standards for new homes, used homes, quoted and re-checked
- Wooded share of land: Bolthole Index county data
- Share of land at 15% slope or less: Bolthole Index county data
- Effective property tax rate: Bolthole Index county data
- Median property tax bill: Bolthole Index county data
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.