Off-grid site report
Seminole County, FL
28.8040, -81.3305 · 82 ft elevationRead this before you act on anything below. This is my researched starting point for Seminole 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 rulesSeminole County, FL
Zoning & raw-land occupancy
RestrictedSeminole County's Land Development Code and Comprehensive Plan regulate all unincorporated land, with extra overlay restrictions in areas like the Wekiva River Protection Area. Cities within the county have their own separate codes. source
Dwellings, tiny homes & RVs
Unclear - verifyNo county-specific tiny home standard was found, so the state baseline applies; whether long-term RV living on private land is allowed is a zoning question not confirmed on official pages.
Building permits & codes
RestrictedThe county Building Division enforces the Florida Building Code plus local amendments, and permits with inspections are required for construction and alteration of structures. source
Septic & composting toilets
Generally allowedDOH-Seminole's Environmental Public Health Program issues OSTDS permits directly, since Seminole is not one of the 16 counties where FDEP has taken over septic permitting; composting toilets likely fall under the same framework. source
Greywater reuse
RestrictedNo Seminole-specific greywater ordinance was found; the state Florida Building Code baseline restricts reuse largely to toilet/urinal flushing with approved discharge.
Rainwater harvesting
Unclear - verifyNo official Seminole County or DOH-Seminole page addresses residential rainwater cisterns directly; this is not confirmed either way, ask Development Services or DOH-Seminole.
Private wells & water rights
Generally allowedSeminole County is a non-delegated, delineated county within the St. Johns River Water Management District, so SJRWMD, not the county, issues well construction permits. source
Living disconnected from utilities
Unclear - verifyNo county ordinance explicitly bans full grid disconnection, but an occupied home still needs a permitted septic system, compliant water source, and building permit/certificate of occupancy; ask the Building Division about off-grid electrical setups specifically. source
Sun30-year normals
- Peak-sun hours, annual average
- 5.6 hrs/day
- Worst month (sizes an off-grid array)
- 4.8 hrs/day
- Yearly output per 1 kW of panels
- 1,533 kWh
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Weather1991-2020
- Precipitation
- 53 in/yr
- Snowfall
- 0 in/yr
- Heating degree days
- 624 (mild)
How far help isstraight-line
- Hospital
Bert Martin's Champions for Children Emergency Department & Trauma Center - 19.6 mi
- Fire station
Paola Fire Department Station 34 - 0.8 mi
- Hardware store
Lowe's - 3.9 mi
- Grocery
Publix - 1.8 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 32747).
Size a solar systemHeat loss & insulationFirewood per winterRainwater harvestGarden sizePanel tilt
Looking at a specific parcel in Seminole County, FL?The rules above are the jurisdiction. The land check runs the parcel itself: flood zone, soils and septic suitability, wetlands, slope, access, climate, and these verdicts, from a parcel number or coordinates.
Check a parcel →Share or save this report:New report
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.
New here, or not sure where this fits? Start here walks through the whole thing in order.