Unincorporated Phillips County, Arkansas does not require a county building permit, but Arkansas construction standards still apply12. No countywide zoning applies to unincorporated land, while Helena-West Helena has its own zoning and inspection rules34. Septic construction and operation require Arkansas Department of Health approval56.
At a glance
- Building permit
- Not required in unincorporated Phillips County; ask county government to verify the parcel and project17
- Zoning
- No countywide zoning in unincorporated areas; Helena-West Helena has city zoning34
- Septic permits
- Required through the Arkansas Department of Health and the Phillips County Local Health Unit56
- Owner-builder
- A qualifying owner may build the owner's residence without a residential-contractor license8
- RV or tiny-home living
- Private-land occupancy rules could not be confirmed; ask county government before moving onto a parcel7
- Septic soil difficulty
- Only 2.6% of soils avoid severe limits for a conventional drain field9
- State-highway driveway
- An ARDOT permit is required for a noncommercial driveway adjoining a state highway10
Who to call
Septic permits
Arkansas Department of Health, Phillips County Local Health Unit
Local contact for Arkansas Department of Health onsite-wastewater applications; ask for the Environmental Health Specialist
110 Shirley Hicks Dr., Helena-West Helena, AR 72390
Also useful
General county contact for questions about unincorporated parcels
600 Cherry Street, Helena-West Helena, AR 72342
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 Phillips County, Arkansas?
A county building permit is not required for a home on unincorporated land in Phillips County1. Before ordering plans or starting work, call Phillips County Government to verify that the parcel is outside a city and ask whether floodplain review or another project-specific approval applies7. Arkansas's statewide Fire Prevention Code governs new structures and applicable alterations even where a local permit is not required2. A qualifying owner may build the owner's residence without a residential-contractor license, but that licensing exemption does not erase any permit, inspection, zoning or occupancy rule that applies to the site8.
Who handles Phillips County building permits and inspections?
Phillips County does not list a separate building department for unincorporated construction; start with Phillips County Government at (870) 338-5500 or 600 Cherry Street, Helena-West Helena, AR 7234217. Give the county the parcel number and project description, and ask who handles floodplain review and any special approval. Inside Helena-West Helena, the city inspects construction, plumbing, HVAC and electrical work for compliance with state codes11. Septic approval is separate: the Arkansas Department of Health is the permitting authority, working through the Environmental Health Specialist assigned to the county12.
Does Phillips County have zoning?
Unincorporated Phillips County does not have countywide zoning3. That answer does not settle every parcel question: we could not confirm county rules for minimum dwelling size, setbacks, lot coverage, building height, RV occupancy or tiny-home occupancy, so ask Phillips County Government about the proposed use and exact location7. Helena-West Helena is different because the city identifies its own zoning map, zoning code and zoning-application process4. Confirm city limits before relying on the county answer, and review deed restrictions, subdivision covenants, floodplain status and utility conditions separately because those can affect a project even without countywide zoning.
How do septic permits work in Phillips County?
Phillips County onsite wastewater systems require Arkansas Department of Health approval through the Phillips County Local Health Unit513. A designated representative completes the construction application, and Department approval is required before work begins; the system cannot be used until an operating permit is issued6. New-system review fees range from $30 to $150 by structure size, while an alteration, repair or extension costs $3014. Only 2.6% of county soils avoid severe limits for a conventional drain field, so make septic evaluation an early purchase contingency9. A sanitary sewer must be used when it is within 300 feet of the building's sewer-exit point and is available without crossing another person's property15.
Can you live in an RV or tiny home in Phillips County?
We could not confirm a Phillips County rule allowing or prohibiting long-term occupancy of one RV or tiny home on private, unincorporated land. Ask Phillips County Government about occupancy, temporary use, floodplain limits and sanitation before moving onto the parcel7. Arkansas regulates a narrower situation: a parcel with three or more paid spaces for RVs, tiny houses on wheels or mobile homes is treated as a mobile-home or recreational-vehicle park and requires health-department compliance16. That park rule does not answer whether one owner may live in one unit. Any occupied site still needs lawful wastewater disposal, and an onsite system requires construction approval and an operating permit17.
Building a home in Phillips County: the steps, in order
- Confirm that the parcel is outside city limits, then call Phillips County Government to verify the county building-permit answer and ask about floodplain review for the exact site17.
- If the driveway will join a state highway, obtain an ARDOT permit before beginning work in the highway right-of-way10.
- Have a designated representative evaluate the site and prepare the onsite-wastewater application; obtain Department of Health construction approval before septic work starts6.
- Build to the Arkansas Fire Prevention Code and any rules that apply within the parcel's jurisdiction2.
- Complete the septic inspection process and obtain the operating permit before using the system18.
What should you check before buying land in Phillips County?
Make septic feasibility the first physical test: only 2.6% of Phillips County soils avoid severe limits for a conventional drain field9. The terrain is generally gentle, with 96.8% of land at a slope of 15% or less, while 18.9% is wooded1920. Confirm floodplain status, legal road access and utility availability for the actual parcel; a driveway adjoining a state highway needs an ARDOT permit10. The typical effective property-tax rate is about 0.7%, and the median annual bill is about $5002122. Finally, verify jurisdiction with Phillips County Government because Helena-West Helena has city zoning and inspections that do not govern unincorporated land7411.
Watch-outs
- Ask Phillips County Government to verify that the parcel is unincorporated and that the proposed work does not need a project-specific approval before construction17.
- Do not apply Helena-West Helena zoning or inspection rules to unincorporated land, and do not assume county rules govern property inside city limits411.
- State-highway frontage does not create automatic driveway access; ARDOT approval is required before constructing a noncommercial driveway adjoining a state highway10.
Sources
- Arkansas.gov - Phillips County (2026 county census)
- 2021 Arkansas Fire Prevention Code (Arkansas statewide rule), quoted and re-checked
- Arkansas.gov - Phillips County (2026 county census)
- Code Enforcement — City of Helena-West Helena, Arkansas, quoted and re-checked
- Arkansas Department of Health - Onsite Wastewater (2026 county census)
- 14 CAR § 21-303. Permit Procedure, quoted and re-checked
- Phillips County Government (portal.arkansas.gov)
- Arkansas Residential Contractors Licensing Law, quoted and re-checked
- Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
- 27 CAR § 94-401. General, quoted and re-checked
- Code Enforcement — City of Helena-West Helena, Arkansas, quoted and re-checked
- 14 CAR § 21-102. Definitions, quoted and re-checked
- Arkansas Department of Health, Phillips County Local Health Unit (healthy.arkansas.gov)
- Onsite Wastewater Fee Schedule, quoted and re-checked
- 14 CAR § 21-301. Generally (Arkansas statewide rule), quoted and re-checked
- 20 CAR § 138-102. Compliance, quoted and re-checked
- 14 CAR § 21-303. Permit Procedure, quoted and re-checked
- 14 CAR § 21-303. Permit Procedure, quoted and re-checked
- Share of land at 15% slope or less: Bolthole Index county data
- Wooded share of land: Bolthole Index county data
- Effective property tax rate: Bolthole Index county data
- Median property tax bill: Bolthole Index county data
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.