Off-grid site report
Mesa County, CO
39.0698, -108.5327 · 4,616 ft elevationRead this before you act on anything below. This is my researched starting point for Mesa County, CO, 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 rulesMesa County, CO
Zoning & raw-land occupancy
Varies locallyUnincorporated county land follows the Mesa County Land Development Code administered by Planning; land inside Grand Junction, Fruita, Palisade, Collbran, or De Beque follows that town's own separate code instead. source
Dwellings, tiny homes & RVs
Varies locallySubdividing land triggers county subdivision review unless both new parcels exceed 35 acres; RV/camp trailer rules for long-term living vary by location per the county, so confirm with Community Development for your specific parcel. source
Building permits & codes
RestrictedMesa County Building Department issues permits and inspects for unincorporated county plus De Beque, Collbran, Palisade, and Grand Junction; sheds over 200 sq ft or any utility-connected structure need a permit. source
Septic & composting toilets
RestrictedMesa County's OWTS Department permits septic systems under state Regulation 43 and county health board rules, and generally won't permit septic where sewer service is available in a special service district. source
Greywater reuse
RestrictedGreywater reuse is authorized under Colorado state law tied to well permit type, but it's not confirmed whether Mesa County has adopted its own local greywater program, which the state requires for local legality; ask the Septic Department. source
Rainwater harvesting
Generally allowedRain barrel collection from residential rooftops is allowed statewide under Colorado law (C.R.S. 37-96.5-103); no added Mesa County restriction was found. source
Private wells & water rights
Generally allowedWells are permitted entirely at the state level by the Division of Water Resources; Mesa County has no separate well permitting authority. source
Living disconnected from utilities
Varies locallyNo countywide mandate to connect to grid power or municipal water/sewer was found for unincorporated land, but properties inside town limits or near the Persigo annexation boundary may face different requirements under municipal code. source
Sun30-year normals
- Peak-sun hours, annual average
- 5.8 hrs/day
- Worst month (sizes an off-grid array)
- 4.2 hrs/day
- Yearly output per 1 kW of panels
- 1,648 kWh
JFMAMJJASOND
Weather1991-2020
- Precipitation
- 9 in/yr
- Snowfall
- 19 in/yr
- Heating degree days
- 5,609 (cold)
- Frost-free season
- Apr 27 to Oct 18
How far help isstraight-line
- Hospital
Grand Junction VA Medical Center - 0.6 mi
- Fire station
Fire Station #2 - 1.5 mi
- Hardware store
Valleywide Fence - 0.5 mi
- Grocery
GJ Mart Asian Store - 0.5 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 81501).
Size a solar systemHeat loss & insulationFirewood per winterRainwater harvestGarden sizePanel tilt
Looking at a specific parcel in Mesa County, CO?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.