Off-grid site report

Gasconade County, MO

38.6695, -91.5602 · 528 ft elevation

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

Zoning & raw-land occupancy

Unclear - verifyCommercial sources say Gasconade County has no countywide zoning ordinance for unincorporated areas, but this is not confirmed on an official county page. Incorporated towns like Hermann and Owensville have their own separate zoning codes not covered here. source

Dwellings, tiny homes & RVs

Unclear - verifyNo official county document addresses tiny homes, RVs, or dwelling standards in unincorporated areas; secondary sources suggest minimal regulation but the County Commission should confirm.

Building permits & codes

Unclear - verifyNo official Gasconade County building code or permit page was found; Missouri lets each county decide whether to adopt a code, and Gasconade appears not to have done so outside incorporated towns. source

Septic & composting toilets

RestrictedThe Gasconade County Health Department handles soil/percolation testing, but the actual onsite wastewater permit is issued by the Missouri Department of Health and Senior Services, not the county, per both agencies' official pages. source

Greywater reuse

Unclear - verifyNo Gasconade County or Missouri state page specifically addresses greywater reuse; ask the county health department directly.

Rainwater harvesting

Generally allowedNo Gasconade County restriction on rainwater collection was found, and Missouri's state-level posture generally allows it.

Private wells & water rights

RestrictedWell construction is governed entirely by Missouri DNR under the Water Well Drillers Act and Well Construction Rules; there's no separate Gasconade County well permit, though owners who drill their own well are exempt from the state permit requirement. source

Living disconnected from utilities

Generally allowedNo Gasconade County ordinance requiring utility hookups was found for unincorporated areas; off-grid living appears workable there, but incorporated towns may have their own separate hookup rules.

Open the full county page with sources →

Sun30-year normals

Peak-sun hours, annual average: 4.9 hrs/day
Worst month (sizes an off-grid array): 3.5 hrs/day
Yearly output per 1 kW of panels: 1,358 kWh

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Weather1991-2020

Precipitation: 44 in/yr
Snowfall: 11 in/yr
Heating degree days: 5,122 (moderate)
Frost-free season: Apr 18 to Oct 14

How far help isstraight-line

Hospital Hermann Area District Hospital: 6.2 mi
Fire station: none within range
Hardware store: none within range
Grocery Loutre Market: 7.5 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 65036).

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.