Off-grid site report
Lamar County, TX
33.6623, -95.5069 · 577 ft elevationRead this before you act on anything below. This is my researched starting point for Lamar County, TX, 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 rulesLamar County, TX
Zoning & raw-land occupancy
Unclear - verifyTexas counties generally lack zoning authority over unincorporated land unless specifically named in Local Government Code Chapter 231, and Lamar County is not on that list. No official Lamar County zoning page was found; land inside Paris city limits or its ETJ would follow city rules instead. source
Dwellings, tiny homes & RVs
Unclear - verifyTexas allows counties to opt into residential construction standards for unincorporated areas since 2009, but no official source confirms Lamar County has adopted such standards for tiny homes or RVs. Confirm directly with the county.
Building permits & codes
Unclear - verifyTexas counties typically can require permits for commercial or multi-family buildings but often lack authority over residential construction unless they've opted in; whether Lamar County has done so was not confirmed on an official page. source
Septic & composting toilets
Generally allowedOnsite sewage facilities, including composting and alternative systems, are regulated statewide under Texas Health and Safety Code Chapter 366 and 30 TAC Chapter 285, requiring a permit and approved plan. Lamar County's specific permitting authority (county agent vs. TCEQ regional office) was not confirmed, so call TCEQ's OSSF program to verify. source
Greywater reuse
Unclear - verifyNo standalone greywater rule was found for Lamar County; greywater is generally addressed under the same state OSSF/septic framework rather than a separate program. source
Rainwater harvesting
Generally allowedNo Lamar County ordinance restricting rainwater harvesting was found, and the practice is generally encouraged at the Texas state level, subject to standard TCEQ cross-connection and backflow rules.
Private wells & water rights
Generally allowedNo Groundwater Conservation District was confirmed to cover Lamar County, so the Texas default rule of capture likely applies, meaning landowners can generally drill and pump without a state permit. Verify current district boundaries with the Texas Water Development Board. source
Living disconnected from utilities
Generally allowedNo state law or Lamar County ordinance was found requiring rural residences to connect to electric, water, or sewer utilities; such a requirement would have to come from a specific incorporated town's ordinance, like Paris, not the unincorporated county.
Sun30-year normals
- Peak-sun hours, annual average
- 5.3 hrs/day
- Worst month (sizes an off-grid array)
- 4.1 hrs/day
- Yearly output per 1 kW of panels
- 1,487 kWh
JFMAMJJASOND
Weather1991-2020
- Precipitation
- 47 in/yr
- Snowfall
- 1 in/yr
- Heating degree days
- 2,690 (mild)
- Frost-free season
- Mar 18 to Nov 17
How far help isstraight-line
- Hospital
Paris Regional Medical Center - 2.9 mi
- Fire station
Paris Fire Department Station 4 - 2.0 mi
- Hardware store
Paris Lumber & Building Center - 0.3 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 75462).
Size a solar systemHeat loss & insulationFirewood per winterRainwater harvestGarden sizePanel tilt
Looking at a specific parcel in Lamar County, TX?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 22, 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.