Off-grid site report

Pettis County, MO

38.7093, -93.2702 · 846 ft elevation

Read this before you act on anything below. This is my researched starting point for Pettis County, MO, 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 rulesPettis County, MO

Zoning & raw-land occupancy

Unclear - verifyPettis County's government site shows a Planning/Zoning function exists, but I couldn't confirm from official text whether zoning applies countywide or only certain areas. Confirm directly with the county office; Sedalia city limits are governed separately. source

Dwellings, tiny homes & RVs

Unclear - verifyNo official county or state text specifies dwelling-size minimums, tiny-home rules, or RV-residency standards for unincorporated Pettis County land. Ask the county Planning/Zoning office directly.

Building permits & codes

Unclear - verifyMissouri has no statewide building code, so any permit requirement or code adoption would be set locally, and I found no official Pettis County text confirming details. Confirm with the county Planning/Zoning office, or Sedalia City Hall if inside city limits. source

Septic & composting toilets

RestrictedMissouri DHSS sets a statewide minimum standard for onsite wastewater treatment systems, with permitting handled by DHSS directly or a local authority depending on the county. Confirm with the Pettis County Health Center or DHSS which authority issues permits locally; a possible exception exists for single-family homes on 10+ acre parcels meeting DHSS criteria. source

Greywater reuse

Unclear - verifyNo Missouri statute, DNR/DHSS rule, or Pettis County ordinance specific to greywater reuse was found. Check with the Pettis County Health Center for any local policy.

Rainwater harvesting

Generally allowedNo Pettis County ordinance restricting rainwater collection was found, and Missouri has a statewide protection for landowners collecting rainwater that applies by default.

Private wells & water rights

RestrictedWell construction and siting statewide, including in Pettis County, is administered by the Missouri DNR under its Well Construction Rules and the Water Well Drillers Act, with no county-specific ordinance found.

Living disconnected from utilities

Generally allowedNo Pettis County ordinance was found barring off-grid living or requiring utility hookups, but septic, well, and any applicable local zoning/building rules still apply.

Open the full county page with sources →

Sun30-year normals

Peak-sun hours, annual average: 5.0 hrs/day
Worst month (sizes an off-grid array): 3.7 hrs/day
Yearly output per 1 kW of panels: 1,414 kWh

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Weather1991-2020

Precipitation: 44 in/yr
Snowfall: 11 in/yr
Heating degree days: 5,309 (moderate)
Frost-free season: Apr 19 to Oct 17

How far help isstraight-line

Hospital Bothwell Regional Health Center: 2.7 mi
Fire station Sedalia Fire Headquarters: 0.9 mi
Hardware store Lowe's: 0.4 mi
Grocery Walmart Supercenter: 0.2 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 65301).

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.