Off-grid site report
Jones County, IA
42.2466, -91.1879 · 820 ft elevationRead this before you act on anything below. This is my researched starting point for Jones County, IA, 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, IA
Zoning & raw-land occupancy
Varies locallyJones County has countywide zoning administered outside city limits (and within 2-mile fringe areas of Anamosa, Monticello, and Cascade, those cities retain review rights). The county ordinance requires full compliance before any land or structure is used or developed, and generally limits lots to one dwelling except auxiliary/seasonal units. Check your parcel's zoning district with the Land Use Office before planning off-grid occupancy. source
Dwellings, tiny homes & RVs
Varies locallyIowa state law protects manufactured homes from outright zoning bans but lets counties require the same foundation, setback, and size standards as site-built homes; agricultural-zoned land can't have width standards imposed on a single manufactured home. Jones County's ordinance echoes these state rules, but I could not confirm a specific provision on tiny houses or RVs used as a permanent residence, so ask the Land Use Administrator directly. source
Building permits & codes
Generally allowedThe Jones County Land Use Office handles building, buying, and dividing rural property, and an erosion control plan is required before any land-disturbing activity begins. Exact fees and inspection timelines aren't listed on the pages I reviewed, so confirm those specifics directly with the Land Use Office. source
Septic & composting toilets
Generally allowedSeptic systems are permitted and administered locally under Jones County's own Sewage Disposal ordinance (Chapter 6), with applications and fees submitted to the Environmental Health Office, operating under Iowa DNR oversight. Rules specifically covering composting toilets or holding tanks weren't itemized online, so verify those with Environmental Health. source
Greywater reuse
Unclear - verifyI found no Jones County or Iowa DNR page specifically addressing residential greywater reuse. This is a gap in the official record, not a stated prohibition, so ask Jones County Environmental Health whether any local sewage ordinance provisions apply.
Rainwater harvesting
Unclear - verifyI found no official Jones County or state page addressing rainwater catchment permitting or restrictions. There's no evidence of a ban, but nothing confirming rules either, so this remains unconfirmed.
Private wells & water rights
Generally allowedPrivate wells are permitted in Jones County but require a permit through the Environmental Health Department, including a site evaluation, and must be built by a Certified Well Contractor or the owner. The county also has its own well construction and abandoned-well plugging ordinance chapters and a cost-share program for plugging old wells. source
Living disconnected from utilities
Varies locallyNo Jones County page explicitly bans disconnecting from the grid, but living in unincorporated Jones County still requires meeting the zoning ordinance's dwelling standards along with a legal, permitted well and septic setup through Environmental Health. In practice this means off-grid living is workable but not a free-for-all, you still have to satisfy county water/wastewater rules. source
Sun30-year normals
- Peak-sun hours, annual average
- 4.8 hrs/day
- Worst month (sizes an off-grid array)
- 3.3 hrs/day
- Yearly output per 1 kW of panels
- 1,396 kWh
JFMAMJJASOND
Weather1991-2020
- Precipitation
- 38 in/yr
- Snowfall
- 22 in/yr
- Heating degree days
- 7,185 (cold)
- Frost-free season
- May 8 to Sep 28
How far help isstraight-line
- Hospital
UnityPoint Health - Jones Regional Medical Center - 10.7 mi
- Fire station
Monticello Fire Department - 1.0 mi
- Hardware store
Delhi Lumber - 14.6 mi
- Grocery
Fareway - 0.4 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 52310).
Size a solar systemHeat loss & insulationFirewood per winterRainwater harvestGarden sizePanel tilt
Looking at a specific parcel in Jones County, IA?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 22, 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.