Off-grid site report
Polk County, FL
28.1069, -81.9086 · 157 ft elevationRead this before you act on anything below. This is my researched starting point for Polk 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 rulesPolk County, FL
Zoning & raw-land occupancy
Varies locallyPolk County has countywide zoning under its Land Development Code; rural parcels commonly fall under Agricultural/Residential-Rural (A/RR). Living on raw land without an approved dwelling long-term generally isn't permitted, though variances exist through Growth Management. source
Dwellings, tiny homes & RVs
RestrictedFlorida Building Code applies statewide; Polk has an ADU ordinance capping size and barring short-term rental use of ADUs. No confirmed county rule sets a minimum tiny-home size, and permanent RV residency on raw land outside RV parks is generally not allowed under LDC use tables. source
Building permits & codes
Generally allowedPolk County Growth Management/Building Division enforces the Florida Building Code and issues permits; an official Polk building permit page wasn't located, so call Growth Management directly. source
Septic & composting toilets
Generally allowedDOH-Polk (Florida Department of Health in Polk County) permits and inspects septic systems out of its Bartow environmental health office; Florida DEP oversees statewide rulemaking since 2021 but counties handle day-to-day permitting. source
Greywater reuse
Unclear - verifyNo Polk-specific greywater ordinance was found; the state Florida Building Code baseline likely applies but this isn't confirmed for Polk. Ask DOH-Polk or Growth Management directly.
Rainwater harvesting
Unclear - verifyNo official Polk County page addresses rainwater harvesting or cisterns; not confirmed either way, so check with Growth Management or DOH-Polk.
Private wells & water rights
Generally allowedDOH-Polk handles well construction permits and pre-drilling site inspections for most of the county, but eastern Polk residents go through DOH-Osceola instead. Water use permitting splits between SWFWMD (most of Polk) and SFWMD (eastern Polk). source
Living disconnected from utilities
Unclear - verifyNo official Polk County source explicitly bans or permits full off-grid utility disconnection; a legal residence would still need DOH-approved septic and a compliant water supply regardless of grid connection.
Sun30-year normals
- Peak-sun hours, annual average
- 5.7 hrs/day
- Worst month (sizes an off-grid array)
- 4.8 hrs/day
- Yearly output per 1 kW of panels
- 1,578 kWh
JFMAMJJASOND
Weather1991-2020
- Precipitation
- 55 in/yr
- Snowfall
- 0 in/yr
- Heating degree days
- 547 (mild)
How far help isstraight-line
- Hospital
Winter Haven Hospital - 12.4 mi
- Fire station
Fire Department - 5.0 mi
- Hardware store
Northern Tool & Equipment - 3.7 mi
- Grocery
Publix - 2.3 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 33805).
Size a solar systemHeat loss & insulationFirewood per winterRainwater harvestGarden sizePanel tilt
Looking at a specific parcel in Polk 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.