Off-grid site report

Walton County, FL

30.8038, -86.0422 · 246 ft elevation

Read this before you act on anything below. This is my researched starting point for Walton County, FL, 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 rulesWalton County, FL

Zoning & raw-land occupancy

Varies locallyWalton County's Land Development Code sets zoning districts and allows a Temporary RV Living Permit for one RV on parcels of five acres or more in certain districts, with conditions set by the Planning Director. Municipalities within the county (DeFuniak Springs, Freeport, etc.) have separate rules. source

Dwellings, tiny homes & RVs

RestrictedRV living is treated as temporary, not a full-time equivalent to a permitted dwelling, and commercial RV use is barred in at least one district; no distinct tiny-home code was found, so small homes fall under standard building permitting. source

Building permits & codes

RestrictedWalton County Planning & Development Services and the Building Division require permits under the Florida Building Code (2023 edition for filings after 2023), with a limited exemption for small owner-built non-habitable accessory structures; confirm exact conditions with the Building Division. source

Septic & composting toilets

Generally allowedSeptic permitting in Walton County shifted from the county health department to the Florida DEP as of January 2, 2025; applicants use DEP's OSTDS online portal. Composting toilets are not separately addressed at the county level. source

Greywater reuse

RestrictedNo Walton County-specific rule loosens the state's greywater restrictions, so the statewide Florida Building Code baseline (limited largely to toilet/urinal flushing reuse) applies.

Rainwater harvesting

Unclear - verifyNo official Walton County ordinance or health guidance on residential rainwater cisterns was found; this inherits the state's unaddressed baseline, so treat it as unconfirmed and ask the county directly.

Private wells & water rights

Generally allowedWell construction, repair, and abandonment permits go through the Northwest Florida Water Management District, not Walton County staff; the county sits within a designated Water Resource Caution Area, which can add conditions. source

Living disconnected from utilities

Unclear - verifyNo explicit ban on full disconnection from utilities was found, but Walton County's building and mobile-home permit checklists ask for septic/water availability documentation and an energy form referencing a power company, so practical permitting assumes some utility documentation. Confirm directly with the Building Division.

Open the full county page with sources →

Sun30-year normals

Peak-sun hours, annual average: 5.3 hrs/day
Worst month (sizes an off-grid array): 4.4 hrs/day
Yearly output per 1 kW of panels: 1,483 kWh

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Weather1991-2020

Precipitation: 64 in/yr
Snowfall: 0 in/yr
Heating degree days: 1,772 (mild)
Frost-free season: Mar 7 to Nov 24

How far help isstraight-line

Hospital North Walton Doctors Hospital: 10.9 mi
Fire station DeFuniak Springs Fire Department: 6.9 mi
Hardware store Lowe's: 8.7 mi
Grocery Piggly Wiggly: 7.8 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 32422).

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 21, 2026; agencies update their layers on their own schedules. Planning data, not a survey or legal advice.