Off-grid site report

Weld County, CO

40.4444, -104.6913 · 4,682 ft elevation

Read this before you act on anything below. This is my researched starting point for Weld 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 rulesWeld County, CO

Zoning & raw-land occupancy

RestrictedWeld County has a comprehensive countywide zoning code (Chapter 23) administered by Planning Services, with defined districts and permit requirements for certain uses. Confirm your parcel's zoning district before assuming a use is allowed. source

Dwellings, tiny homes & RVs

RestrictedManufactured/mobile homes require a separate building permit and specific installation standards under Weld County rules. Tiny houses on wheels as permanent dwellings are not addressed in any official county source found, so that status is unclear pending confirmation with Building Inspection. source

Building permits & codes

RestrictedWeld County's Building Inspection Division requires a permit for nearly all construction, alteration, or habitable structures, under adopted International Codes. A limited agricultural-exempt-building allowance exists but cannot be used as a place of human habitation. source

Septic & composting toilets

RestrictedWeld County's Environmental Health Services Division permits onsite wastewater treatment systems (OWTS), layered on state CDPHE Regulation 43. There is no transfer-of-title inspection requirement, but composting toilets are not addressed in any official source found. source

Greywater reuse

Unclear - verifyNo official Weld County page on greywater reuse was found. This falls back to the state CDPHE framework, which requires local program adoption that could not be confirmed for Weld County, so ask the county's Environmental Health Services division directly.

Rainwater harvesting

Unclear - verifyNo Weld County-specific rainwater harvesting rule was found. Rainwater collection in Colorado is governed by state water law and limited household exemptions administered by the state, not by county ordinance.

Private wells & water rights

RestrictedWell permitting in Weld County is handled entirely by the state Division of Water Resources, not the county, with exempt-well household use governed by state statute. source

Living disconnected from utilities

Varies locallyNo Weld County rule was found forcing connection to grid power or municipal water/sewer, but off-grid setups still require the same building and septic permits as any other habitable structure.

Open the full county page with sources →

Sun30-year normals

Peak-sun hours, annual average: 5.6 hrs/day
Worst month (sizes an off-grid array): 4.0 hrs/day
Yearly output per 1 kW of panels: 1,598 kWh

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Weather1991-2020

Precipitation: 14 in/yr
Snowfall: 24 in/yr
Heating degree days: 6,073 (cold)
Frost-free season: Apr 30 to Oct 18
Design low: 0 °F

How far help isstraight-line

Hospital North Colorado Medical Center: 2.2 mi
Fire station Greeley Fire Station #1: 1.7 mi
Hardware store Harbor Freight Tools: 2.1 mi
Grocery Ismail Halal Asian Market: 1.9 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 80633).

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 21, 2026; agencies update their layers on their own schedules. Planning data, not a survey or legal advice.