Off-grid site report

Sebastian County, AR

35.3483, -94.3399 · 436 ft elevation

Read this before you act on anything below. This is my researched starting point for Sebastian County, AR, not legal advice and not a guarantee. Rules change, and the deciding facts on any specific parcel (setbacks, perc results, overlay districts, deed restrictions, road frontage) live at the county or town office, not in any database. Before you buy land or build, confirm the current rules directly with the local zoning and health offices - the sources on this page tell you exactly who to call.

The local rulesSebastian County, AR

Zoning & raw-land occupancy

Unclear - verifySebastian County has no zoning or land use controls in unincorporated areas; Arkansas law delegates that authority to cities like Fort Smith, Greenwood, and Bonanza, so status depends entirely on whether your parcel is inside a city's limits or extraterritorial zoning jurisdiction. source

Dwellings, tiny homes & RVs

Unclear - verifyNo county ordinance on tiny homes, manufactured housing, or RV residency was found for unincorporated Sebastian County; any restriction would come from a specific municipality, not the county. source

Building permits & codes

Generally allowedThe county does not run a building permit or inspection process for unincorporated land, consistent with its no-zoning stance; cities like Fort Smith operate their own building departments inside city limits, and state contractor/electrical licensing still applies. source

Septic & composting toilets

Generally allowedThe Arkansas Department of Health's Onsite Wastewater program, implemented locally through the county Health Unit, permits septic systems statewide; a narrow permit exemption exists for a residence on ten-plus acres with all system parts over 200 feet from property lines, though design rules still apply. source

Greywater reuse

RestrictedNo separate Sebastian County greywater ordinance was found; greywater falls under the same statewide ADH onsite wastewater rules that govern septic systems. source

Rainwater harvesting

Generally allowedNo Sebastian County or state rule was found restricting rainwater collection; the unregulated state baseline appears to apply.

Private wells & water rights

Generally allowedNo county-specific well ordinance was found; the Arkansas Department of Health's statewide well construction standards are the applicable framework. source

Living disconnected from utilities

Unclear - verifyNo county requirement to connect to electric, water, or sewer utilities was found for unincorporated Sebastian County; this is not confirmed, and municipal codes inside city limits could differ.

Open the full county page with sources →

Sun30-year normals

Peak-sun hours, annual average: 5.2 hrs/day
Worst month (sizes an off-grid array): 3.8 hrs/day
Yearly output per 1 kW of panels: 1,443 kWh

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Weather1991-2020

Precipitation: 45 in/yr
Snowfall: 5 in/yr
Heating degree days: 3,244 (moderate)
Frost-free season: Mar 30 to Nov 6

How far help isstraight-line

Hospital Mercy Hospital Fort Smith: 0.9 mi
Fire station Fort Smith Fire Department Station 6: 0.2 mi
Hardware store Lowe's: 0.3 mi
Grocery Walmart Supercenter: 0.1 mi

From OpenStreetMap. Road miles will be longer, often much longer in hill country.

Plan this spot

These open with this location's real numbers already filled in (ZIP 72923).

Size a solar system Heat loss & insulation Firewood per winter Rainwater harvest Garden size Panel tilt

Sources: US Census Bureau geocoder; NLR PVWatts v8 (solar); NOAA NCEI 1991-2020 climate normals (nearest station) or Open-Meteo (ZIP-centroid) for weather; Open-Elevation; OpenStreetMap contributors. Public data retrieved Aug 22, 2026; agencies update their layers on their own schedules. Planning data, not a survey or legal advice.