Start here:System PlannerOne plan for power, heat and waterLand CheckAssess a parcel before you buy itFree CourseOff-grid from zero, in 12 lessons

Off-Grid Laws › Colorado

Off-Grid Living in Las Animas County, Colorado

Las Animas County has actual countywide zoning and requires building permits (with septic approval first), while wells, greywater, and rainwater harvesting mostly follow Colorado state rules rather than county-specific ordinances. Several details on tiny homes, RVs, and composting toilets aren't confirmed in public county documents, so direct calls to the Planning & Land Use Office and health department are worthwhile.

Is it legal to live off-grid in Las Animas County, Colorado?

There is no outright ban on living off-grid in Las Animas County, Colorado - it is legal but regulated. Zoning and land use are set locally and vary by area, putting a cabin, tiny home, or RV on raw land is set locally and vary by area, and building permits are restricted. Plan around septic/wastewater (restricted) and disconnecting from utilities (set locally and vary by area). Because these rules are set locally, confirm the specifics with Las Animas County before you buy land or build.

Read this before you act on anything below. This is my researched starting point for Las Animas County, 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.
Primary-source verified · reviewed Aug 202618 government, statute, or municipal sources are linked below; the verdict card cites them where a match exists.

The verdict for Las Animas County

  • Zoning: Varies locally
  • Dwellings, tiny homes: Varies locally
  • Building permits: Restricted
  • Septic: Restricted
  • Greywater reuse: Restricted
  • Rainwater harvesting: Restricted
  • Private wells: Restricted
  • Living disconnected from utilities: Varies locally

Las Animas County at a glance

Zoning & raw-land occupancy
Varies locallyLas Animas County maintains countywide zoning districts, permitted/conditional/prohibited uses, accessory building rules, and mobile home park/campground regulations under its Land Use Regulations, administered by the County Planning Commission and Planning and Land Use Office. Inside incorporated towns like Trinidad, municipal zoning applies instead. source
Dwellings, tiny homes & RVs
Varies locallyThe county's Land Use Regulations cover mobile home parks, campgrounds, and accessory buildings, but specific rules on tiny houses on wheels, RV occupancy, or minimum dwelling size were not confirmed in available documents. Confirm directly with the Planning & Land Use Office. source
Building permits & codes
RestrictedThe county requires building permits and adopts the 2018 International Building Code family (IRC/IBC/IMC) plus the 2018 International Energy Conservation Code, with structural elements needing review or a wet stamp from a Colorado-registered engineer. A septic permit must be completed before a building permit is issued. source
Septic & composting toilets
RestrictedThe Las Animas-Huerfano Counties District Health Department permits and regulates septic/OWTS installation under state Regulation 43, requiring a permit application and licensed installers; composting toilet specifics are not confirmed separately. source
Greywater reuse
RestrictedGreywater use is governed by Colorado state rules under the Division of Water Resources, tied to the state's water rights system; no county-specific greywater ordinance for Las Animas County was confirmed, so the state framework applies by default. source
Rainwater harvesting
RestrictedState law allows rain barrel collection up to a combined 110 gallons without a permit for single-family or small multi-family residences, per Colorado statute; no Las Animas County-specific rainwater rule was found. source
Private wells & water rights
RestrictedLas Animas County's own building guidance directs residents to the Colorado Division of Water Resources for well permits, confirming there is no separate county well permitting layer, only the state process. source
Living disconnected from utilities
Varies locallyNo official Las Animas County or state source found imposing a mandatory grid or utility hookup requirement; county building focus is on code compliance, septic, and water permitting rather than utility connections. Confirm with the Building Department for specifics on off-grid power setups.

Who to call in Las Animas County

Offices named on official pages during research. Phone numbers appear only when the official page showed one; confirm hours and jurisdiction before you drive out.

I've been digging into Las Animas County, Colorado for anyone thinking about building or living off-grid out here, and here's what I found, along with what I couldn't pin down.

First, the basics of jurisdiction: unincorporated Las Animas County runs on its own countywide Land Use Regulations, administered by the Planning & Land Use Office and the Building Department. There's also a joint health department, the Las Animas-Huerfano Counties District Health Department (LAHCDHD), that handles septic. If your parcel sits inside a town like Trinidad, though, municipal code takes over and county rules don't apply, so the very first thing I'd confirm is whether you're inside or outside town limits.

On zoning, this county isn't one of those "no zoning at all" rural Colorado counties. Las Animas County has actual zoning districts, permitted and conditional uses, accessory-building rules, temporary-use provisions, an airport overlay district, and specific mobile home park/campground regulations, all administered by the County Planning Commission and Planning and Land Use Office. That means raw land isn't a blank slate; you need to check the zoning district your parcel falls in before assuming you can just live on it.

For dwellings, tiny homes, and RVs, I have to be honest: the county's land use document references mobile home park and campground rules and accessory-building provisions, but I couldn't confirm the specifics on tiny-house-on-wheels occupancy, RV living limits, or minimum square footage from what's publicly available. I'd call the Planning & Land Use Office directly before assuming anything here.

Building permits are a real requirement. The county's own guidance says structures must meet the 2018 International Building Code family (IRC/IBC/IMC) plus the 2018 International Energy Conservation Code, and structural work needs review or a wet stamp from a Colorado-registered engineer. Notably, septic approval has to happen before the county will issue a building permit at all.

Speaking of septic, that's handled by LAHCDHD under the state's Regulation 43 (OWTS) framework, which the district formally adopted, including the Transfer of Title Program required by CDPHE. You need a permit application submitted before installing any onsite wastewater system, and installers must be licensed with the district. Composting toilets aren't separately addressed in what I found, so treat that as unconfirmed.

Greywater and rainwater both largely follow state rules rather than anything county-specific. Colorado's Division of Water Resources allows graywater use for things like showers and laundry (not toilet water), tied into the state's water rights system, but I found no evidence Las Animas County has adopted its own local greywater program, so the default state framework applies. Rainwater harvesting in rain barrels up to 110 gallons is allowed statewide without a permit for single-family and small multi-family homes, per state law, and again I found no county-specific twist on that.

Wells are purely a state matter here: the county's building guidance literally tells applicants to contact the Colorado Division of Water Resources to get a well permit, with no separate county well permit layer in sight.

Finally, living off the grid utility-wise, I didn't find any county or state mandate forcing a grid connection. The county's building focus is code compliance, septic, and water permitting, not utility hookups, though I'd still confirm with the Building Department if you're planning something like solar-only power.

Bottom line: Las Animas County is workable for off-grid living but it is not unregulated. Confirm zoning district, get your septic sorted before applying for a building permit, and lean on the state for wells, greywater, and rainwater questions.

Las Animas County in numbers

Worst-month sun
4.5 peak hours/day (6.2 annual average)
Heating degree days
5,345
Precipitation / snow
14.08 in / ? in a year
Frost-free season
04-24 to 10-11
Elevation
3,908 ft
Supermarket
Thaxton's Market · 0.4 mi
Hospital
Arkansas Valley Regional Medical Center · 18.8 mi
Hardware
Big R Store · 20.3 mi

Open the full site report for this spot →

30-year climate normals for the nearest ZIP and distances from the town center; a specific parcel will differ. Run the site report on an address for its own numbers.

Planning a build in Las Animas County

The rules above decide what you may build. The numbers below decide what you will have to build, and they come from this place rather than from a national average.

Solar: size for the worst month, not the average

Las Animas County averages 6.2 peak sun hours a day across the year, but its worst month averages 4.5. That is a drop of about 27 percent. An array sized on the annual figure will therefore come up short in the worst month by roughly that much, in the season when lights, pumps, and heating fans all run hardest.

Put another way, meeting the same daily load in the worst month here takes about 1.4 times the array that the annual average implies, or a generator and the fuel budget to run it. Neither is wrong; what is wrong is discovering the gap in the first winter. The solar calculator runs this arithmetic against your own load list, and lesson four covers building that list before buying panels.

Heat: 5,345 heating degree days

That is a cold-climate heating season, where the fuel supply is a year-round job and a second heat source earns its keep. Heating demand at this level dwarfs everything electrical in the house, which is why almost nobody here heats with electricity from a battery bank.

As a rough order of magnitude, a small, reasonably insulated cabin heated mainly with wood in a climate like this tends to burn in the region of 4.5 cords a season, with the real figure swinging widely on insulation, house size, and how you burn. Treat that as a bracket for planning your woodshed rather than a promise, split and stack a season ahead, and check with a moisture meter before burning. The firewood calculator and heat-loss calculator narrow it down from your own building.

Growing season: about 170 frost-free days

Average last frost falls around 04-24 and average first frost around 10-11, which leaves roughly 170 days between them. That figure decides what can be grown outdoors without protection, whether a season extension structure is worth building, and how much of the year food storage has to cover. Averages also hide the frost that arrives two weeks early, so plan the garden on the short end. The garden calculator and food storage calculator work from this number.

Water: what the roof would actually catch

Las Animas County receives about 14.1 inches of precipitation a year. A 1,000 square foot roof here would shed on the order of 7,456 gallons a year at a realistic 85 percent collection efficiency, before any losses to first-flush diversion, evaporation, or overflow in a heavy storm.

The annual total is the easy part. What sizes a cistern is the longest dry stretch, because catchment is seasonal almost everywhere and a tank that covers the average year can still run empty in August. Check the local rules too: rainwater harvesting is regulated in some states even where it is broadly allowed. The rainwater calculator works from your own roof and rainfall pattern, and lesson three covers why water is chosen before power.

Distance is part of the plan

Measured straight line from the center of Las Animas County: the nearest hospital is about 18.8 miles away (Arkansas Valley Regional Medical Center), the nearest supermarket is about 0.4 miles away (Thaxton's Market). Road miles will be longer, and in winter longer again.

The hospital distance sets what your first aid kit and your medical plan have to cover in the gap, and it is the number to think about before anyone in the household depends on refrigerated medication or mains-powered equipment.

Confirming this for your own parcel

On this page 3 of the eight topics are recorded as unclear or as varying within Las Animas County: zoning, what counts as a dwelling, mandatory utility connection. Those are the calls to make first, because they are the ones where a general answer cannot be trusted for a specific parcel. Ask for the answer in writing where the office will give it, and note the name and the date where it will not.

Where a topic is recorded as settled here (building permits and codes, septic and sewage, greywater, rainwater harvesting, wells and water rights), the source is cited further down this page. Sources go stale, ordinances get amended, and this site logs corrections publicly rather than editing them away, so if you find something here that no longer matches the county, the corrections page is how to say so.

Before any of those calls, walk the parcel with the land walk checklist and take the questions for the county with you. The parcel check pulls flood, wetland, slope, and access data for a specific parcel and shows its sources, which is a good way to arrive at the office with the questions already framed. Lesson two is the wider version of this list.

Looking at a specific parcel in Las Animas 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 →

Sources

Primary sources (statutes, agencies, municipal documents)

Only government, statute, municipal, university, and regional-planning sources are listed. Pages used to find an issue but not to substantiate it are not cited. See how this database is researched.

Live here? Help keep Las Animas County accurate.

Residents, landowners, builders, and town officials: confirm what is right or tell me what is wrong. Every note is checked before it appears. Two minutes, no account.

This page is

FAQ

Common questions about off-grid living in Las Animas County

Is it legal to live off-grid in Las Animas County, Colorado?

There is no outright ban on living off-grid in Las Animas County, Colorado - it is legal but regulated. Zoning and land use are set locally and vary by area, putting a cabin, tiny home, or RV on raw land is set locally and vary by area, and building permits are restricted. Plan around septic/wastewater (restricted) and disconnecting from utilities (set locally and vary by area). Because these rules are set locally, confirm the specifics with Las Animas County before you buy land or build.

Does Las Animas County have zoning?

Yes. Unlike some rural Colorado counties with no zoning, Las Animas County has countywide zoning districts and land use regulations administered by its Planning Commission and Planning & Land Use Office. Incorporated towns like Trinidad use their own municipal zoning instead.

Can I put a tiny house or RV on my land here?

This isn't clearly confirmed from public county documents. The Land Use Regulations address mobile home parks and campgrounds, but specifics on tiny houses on wheels or RV living aren't spelled out in what I found, so I'd call the Planning & Land Use Office directly.

Do I need a septic permit before building?

Yes. The county requires septic approval through the Las Animas-Huerfano Counties District Health Department before it will issue a building permit, under the state's Regulation 43 OWTS framework.

Can I collect rainwater or reuse greywater?

Both are governed primarily by Colorado state law rather than county-specific rules. Rain barrel collection up to 110 gallons is allowed without a permit statewide, and greywater use is regulated through the state's water rights system; no Las Animas County-specific ordinance was found for either.

Who handles well permits?

The Colorado Division of Water Resources (Office of the State Engineer) handles well permitting statewide, and the county's own building guidance refers applicants directly to that state office.

New here, or not sure where this fits? Start here walks through the whole thing in order.