Unincorporated Ector County, Texas does not enforce zoning, but a free Development Structure Permit is required before you build a dwelling or business, and a separate Drive Approach Permit covers your driveway connection123. The county also requires a septic permit for any on-site sewage facility, and it doesn't issue certificates of occupancy or require permits for solar panels or fire suppression systems43. None of these permits carry a fee5.
At a glance
- Building / development structure permit
- Required, but free, for a dwelling or business23
- Zoning
- None enforced in unincorporated areas13
- Septic permits
- Required for installation or repair of an OSSF, issued by Development Services46
- Certificate of occupancy
- Not issued by the county3
- Solar panel / fire suppression system installation
- No county permit required3
- RV / tiny home / manufactured home living
- Not restricted by county zoning7
- Finished-floor elevation
- Must sit at or 1 foot above the crown of the road or curb5
- Driveway onto a state highway
- Needs a TxDOT permit (Form 1058), not a county permit8
Who to call
Building permits
Ector County Development Services
Development Structure and Drive Approach permits for dwellings or businesses in unincorporated Ector County; confirms no zoning is enforced, no certificate of occupancy is issued, and no permit is required for solar panels or fire suppression systems.
1010 E 8th Street, Suite 114, Odessa, TX 79761
Septic permits
Ector County Development Services (Septic / OSSF Permitting)
OSSF (septic) permitting for installation or repair of an on-site sewage facility in unincorporated Ector County.
1010 E 8th Street, Suite 114, Odessa, TX 79761
Also useful
Ector County Development Services (Permitting)
The county's own plain-language description of what each permit (Development Structure, Drive Approach, Septic, Right-of-Way, Tower) checks for, submission by email, and that none of them carry a fee.
Also useful
Ector County Development Services (Subdivision & Manufactured Home Rental Community Regulations)
County regulations for subdivisions and Manufactured Home Rental Communities (renting out multiple manufactured-home lots), adopted December 28, 2022, separate from a single landowner placing one manufactured home on their own parcel.
Contact details are copied from each office’s official page and were checked against it on September 24, 2026.
Do you need a building permit in Ector County, Texas?
Unincorporated Ector County does not enforce development zones, but it does require a Development Structure Permit before you build a dwelling or business, and there is no fee to get one1235. The permit exists to confirm the finished floor elevation sits at or 1 foot above the crown of the road or top of curb, not to review structural plans or perform building inspections5. The county does not issue certificates of occupancy, and it does not require a permit to install solar panels or a fire suppression system in unincorporated areas3. A separate Drive Approach Permit is required to connect your property to a county road5.
Who is Ector County Development Services, and how do you reach them?
Reach Ector County Development Services at 1010 E 8th Street, Suite 114, in Odessa, Texas, by phone at (432) 498-4241, or by email at [email protected]35. The office issues Development Structure, Drive Approach, Septic, Right-of-Way, and Tower permits, all submitted with a site plan and none carrying a fee5. A Right-of-Way permit is needed any time work happens within a county right-of-way, and a Tower permit is needed for constructing or modifying a tower, which also must meet FAA requirements near Schlemeyer Field Airport53.
Does Ector County have zoning?
Ector County does not enforce development zones in unincorporated areas, which the county's own Development Services department confirms in writing13. Because there is no zoning, the county sets no minimum home size, minimum lot size, setback, lot-coverage limit, or building-height limit by ordinance, and it does not restrict RVs, tiny homes, manufactured homes, or accessory dwellings by zoning7. That does not mean construction is unregulated: the Development Structure and Drive Approach permits above still apply to a dwelling or business, and renting out more than one manufactured-home lot falls under separate Manufactured Home Rental Community regulations the county adopted29. If your land is near Schlemeyer Field Airport, confirm whether airport hazard zoning applies, since that is a documented exception to the general no-zoning answer.
How do septic permits work in Ector County?
Ector County requires a permit for the installation or repair of an on-site sewage facility, issued by the county's own Development Services department rather than a TCEQ regional office46. About 27.8% of Ector County's soils are rated free of severe limits for a conventional septic drain field, better than many nearby counties but still worth a site evaluation before you commit to a system10. A narrow state exemption exists for a single-family home on a tract of 10 acres or more, but it applies only if a TCEQ-licensed site evaluator or engineer signs off, every part of the system stays at least 100 feet from the property line, and the home is the only dwelling on the tract11. There is no fee for the county's septic permit application itself5.
Can you live in an RV or tiny home on your land in Ector County?
Ector County's lack of zoning means the county does not restrict RV, tiny-home, or manufactured-home occupancy on unincorporated land by ordinance7. It is not the same as an unregulated parcel: any new dwelling still triggers the Development Structure Permit, and any wastewater still needs a permitted septic system or a sewer connection24. Renting out multiple manufactured-home lots crosses into the county's Manufactured Home Rental Community regulations instead, a different framework from one owner living on one parcel9. Ector County sits in the Permian Basin around Odessa, about 12 miles from the nearest metro area and averaging roughly 183.2 people per square mile countywide, with hot, dry conditions to plan around1213.
Building a home in Ector County: the steps, in order
- Confirm your parcel is unincorporated Ector County land, since Odessa and other cities have their own permit and zoning rules.
- Apply for your no-cost Development Structure Permit and Drive Approach Permit through Ector County Development Services before you build, submitting your site plan by email35.
- Design your finished floor elevation at or above 1 foot over the crown of the road or top of curb, the specific standard the permit checks for5.
- Apply for your septic permit at the same time if you're not on sewer, and budget for a site evaluation even though about 27.8% of county soils are free of severe limits610.
- If work will happen in a county right-of-way, or you're erecting a tower, apply for the matching Right-of-Way or Tower permit5.
- If your driveway will connect to a state highway instead of a county road, apply for a TxDOT permit (Form 1058) before you build it8.
What to check before you buy land in Ector County
Water is the central question in Ector County: annual precipitation averages only 13.5 inches, and the area has spent about 30% of recent years in severe drought, so confirm well yield and any groundwater district rules before you buy1415. Septic soils are workable but not guaranteed: about 27.8% of the county's soils are free of severe limits for a conventional drain field, so get a site evaluation rather than assume10. The land is flat and largely unwooded, with 99.6% at 15% slope or less and only 1.8% forest cover1617. Land is comparatively affordable: farmland has recently been valued around $1,824 an acre, and the typical home value is about $255,5181819. The county sits about 12 miles from the nearest metro area, with density around 183.2 people per square mile countywide, and future summers are projected to bring about 43.2 days a year at or above 100°F121320. Carrying costs run moderate: the effective property tax rate is about 1.3%, with a median bill around $2,438 a year, and a typical home insurance premium runs about $2,352 a year212223.
Watch-outs
- Ector County's development-structure and drive-approach permits apply even though the county doesn't enforce zoning; 'no zoning' answers a land-use question, not a permitting one12.
- Renting out more than one manufactured-home lot crosses into the county's Manufactured Home Rental Community regulations, adopted December 28, 2022, a different framework from placing one manufactured home on your own land9.
- A tower near Schlemeyer Field Airport needs a county Tower permit plus any applicable FAA sign-off; confirm both before you build3.
Sources
- Ector County Permits — No Zoning Letter (2026 county census)
- Ector County Permits — No Zoning Letter (2026 county census)
- Ector County Development Services (ectorcountytx.gov)
- Permitting | Ector County, TX (2026 county census)
- Ector County Development Services (Permitting) (ectorcountytx.gov)
- Ector County Development Services (Septic / OSSF Permitting) (ectorcountytx.gov)
- Texas law on county zoning and building authority
- Section 4: Driveway Permits, Design, and Materials (Texas statewide rule), quoted and re-checked
- Ector County Development Services (Subdivision & Manufactured Home Rental Community Regulations) (ectorcountytx.gov)
- Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
- Getting a Permit for an OSSF - Such as a Septic System (Texas statewide rule), quoted and re-checked
- Distance to the nearest metro area: Bolthole Index county data
- Population density: Bolthole Index county data
- Annual precipitation: Bolthole Index county data
- Share of years in severe drought: Bolthole Index county data
- Share of land at 15% slope or less: Bolthole Index county data
- Wooded share of land: Bolthole Index county data
- Farmland value per acre (USDA census): Bolthole Index county data
- Typical home value (Zillow): Bolthole Index county data
- Projected mid-century days at or above 100°F: Bolthole Index county data
- Effective property tax rate: Bolthole Index county data
- Median property tax bill: Bolthole Index county data
- Typical home insurance premium: Bolthole Index county data
Written September 24, 2026 from the rules quoted below, each taken from an official source and re-checked by an independent reviewer. This is research, not legal advice: rules change, so confirm with the office before you buy or build.