Poinsett County, AR zoning map, flood zone and property lines by address
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Towns in Poinsett County: Trumann, Marked Tree, Harrisburg.
Flood zone by address
ParcelSheet reads FEMA's National Flood Hazard Layer at the lot: the zone, whether it is a high risk area where lenders ask for flood insurance, and the base flood elevation where FEMA lists one. FEMA's countywide study for Poinsett County has 24 FIRM panels, the newest effective February 2011; no coastal V zones are mapped in it.
The official panel and any Letter of Map Amendment are at FEMA's Map Service Center. An elevation certificate for a Poinsett house comes from a licensed surveyor and is often on file with the county or city building office.
Property lines
The parcel outline, parcel number and mapped size come from the Arkansas GIS Office, statewide parcels from county assessors (CAMA), so a Poinsett lot shows the same lines the county assessor draws. Poinsett County covers about 485,309 acres of land and 3,433 acres of water.
Mapped lines are approximate. The Poinsett County assessor keeps the parcel record (Poinsett County website); a licensed surveyor sets the true corners.
Zoning
Poinsett County zones its unincorporated land, and Trumann, Marked Tree, Harrisburg each zone the land inside their limits. ParcelSheet shows the use the county assessor lists for the lot and links the county or city planning office for the district, the uses it allows and the lot size it needs.
ADU and guest houses
Under Arkansas's county planning law (Arkansas Code Title 14, Chapter 17, Subchapter 2), local governments can allow an accessory dwelling unit on a lot with a house. Whether a Poinsett lot can add one depends on its district; the county or city planning office has the rule. ParcelSheet shows the mapped lot size and the ground's slope, the first two things the question turns on.
Septic and soil
ParcelSheet reads the USDA soil survey at the lot: the soil's name, its septic absorption rating and whether it is prime farmland. Poinsett County is soil survey area AR111, Poinsett County, Arkansas, last updated September 2026, on Web Soil Survey.
A new or changed septic system in Poinsett County needs a permit from the Poinsett County local health unit (Arkansas Department of Health onsite wastewater program).
Setbacks
Setbacks in Poinsett County come from the zoning district: the front, side and rear distances a house must keep. ParcelSheet does not draw setback lines; the county zoning office gives them for the lot's district, and Trumann, Marked Tree, Harrisburg for land inside their limits.
Hazards that apply
- Wetlands and wildfire. ParcelSheet shows the National Wetlands Inventory near a Poinsett lot and the Forest Service wildfire hazard rating at it.
Questions
Is my house in a flood zone in Poinsett County?
Type the address in the box above and ParcelSheet reads FEMA's flood zone at the lot's center. FEMA's countywide flood map for Poinsett County has 24 panels, the newest effective February 2011. A lender or insurer uses the official FIRM panel; FEMA's Map Service Center has it.
How do I find property lines in Poinsett County?
Open the Arkansas map, type the address, and the parcel outline from the Poinsett County assessor shows on the map with its parcel number and mapped size. Mapped lines are approximate; only a licensed surveyor sets the true corners.
What is my property zoned in Poinsett County?
Zoning in Poinsett County is set by the county for unincorporated land and by each city (such as Trumann, Marked Tree) inside its own limits. ParcelSheet shows the use code the county assessor lists and links the office that sets the zoning; the planning office has the final word.
Can I build an ADU in Poinsett County?
Under Arkansas's county planning law (Arkansas Code Title 14, Chapter 17, Subchapter 2), counties and cities can allow an accessory dwelling unit, and each sets its own rules. In Poinsett County ask the zoning office for the lot's district first; ParcelSheet shows the lot size as mapped so you can see the room you have.
Do I need a septic permit in Poinsett County?
Yes. A new or changed septic system in Poinsett County needs a permit from the Poinsett County local health unit (Arkansas Department of Health onsite wastewater program). ParcelSheet shows the USDA soil survey's septic rating at the lot, from survey area AR111 (Poinsett County, Arkansas).
What can I build on 5 acres in Poinsett County?
Zoning in Poinsett County is set by the county for unincorporated land and each city inside its own limits (such as Trumann, Marked Tree). The zoning district decides the uses, how many homes and the smallest lot it allows on 5 acres. ParcelSheet shows the lot size as mapped and the use code on the parcel record; the planning office has the district and its rules. See the Poinsett County website.
What are the residential setbacks in Poinsett County (2026)?
Setbacks in Poinsett County come from the zoning code of the county, or of the city when the lot is inside city limits: the front, side and rear distances depend on the lot's district. ParcelSheet does not draw setback lines or give a number it did not read; the zoning office gives them for the district. See the Poinsett County website.
Next to Poinsett County: Craighead County, Crittenden County, Cross County, Jackson County, Mississippi County.
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