Off-grid site report

Jones County, MS

31.7318, -89.3034 · 305 ft elevation

Read this before you act on anything below. This is my researched starting point for Jones County, MS, 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 rulesJones County, MS

Zoning & raw-land occupancy

Unclear - verifyI couldn't find an adopted countywide zoning ordinance for unincorporated Jones County, Mississippi. If you're buying inside Laurel, Ellisville, Sandersville, or Soso city limits, check that town's own zoning rules separately. For unincorporated land, call the Jones County Board of Supervisors to confirm what, if anything, governs land use. source

Dwellings, tiny homes & RVs

Unclear - verifyI found no Jones County ordinance specifically addressing tiny homes or RV living in unincorporated areas. Without a county zoning or building code on record, there may be little formal restriction, but this isn't officially confirmed, so I'd call the Board of Supervisors before counting on it.

Building permits & codes

Unclear - verifyUnincorporated Jones County reportedly has no formal building code, but a 2022 Mississippi state law (HB 1163) requires counties to issue construction permits, and even the county's own Chief Administrative Officer said the scope of what counts as 'construction' was unclear. This is genuinely in flux, so confirm current status directly with the Jones County Board of Supervisors. source

Septic & composting toilets

Generally allowedSeptic systems, including alternatives like composting setups, run through the Mississippi State Department of Health's Onsite Wastewater Program statewide, with Jones County following that same process via the local health department rather than its own separate rule. source

Greywater reuse

RestrictedMississippi doesn't have a distinct greywater law for Jones County that I could find, so greywater use gets folded into MSDH's onsite wastewater permitting framework at the state level. Check with MSDH before setting up a separate greywater system. source

Rainwater harvesting

Generally allowedI found no Jones County or Mississippi state rule restricting rainwater collection, so basic cistern or barrel systems appear to be permitted without a special permit as a matter of state baseline.

Private wells & water rights

Generally allowedPrivate wells fall under the Mississippi Department of Environmental Quality's statewide groundwater and well construction rules, with no separate Jones County well ordinance that I could locate. Drilling still needs to go through a state-licensed well contractor, so confirm specifics with MDEQ.

Living disconnected from utilities

RestrictedNo Jones County ordinance on mandatory grid connection turned up in my research, so this follows the general Mississippi position that off-grid power generation is legal, though your specific electric utility or co-op, such as Southern Pine Electric or Mississippi Power, may have its own requirements worth checking.

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): 3.7 hrs/day
Yearly output per 1 kW of panels: 1,372 kWh

JFMAMJJASOND

Weather1991-2020

Precipitation: 57 in/yr
Snowfall: 0 in/yr
Heating degree days: 2,257 (mild)
Frost-free season: Mar 12 to Nov 15

How far help isstraight-line

Hospital South Central Regional Medical Center: 10.1 mi
Fire station Boggy Volunteer Fire Department: 7.5 mi
Hardware store Lowe's: 9.2 mi
Grocery Kroger: 9.0 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 39480).

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.