Unincorporated Jim Wells County, Texas does not require a county building permit or certificate of occupancy for a home, but floodplain and septic permits still apply1. Jim Wells County requires a floodplain development permit in special flood-hazard areas2. The Safety & Inspection Department handles septic permits and lists a $260 fee34.
At a glance
- Building permit
- Not required for a home in unincorporated Jim Wells County; no county certificate of occupancy is needed1
- Zoning
- No county zoning ordinance in unincorporated areas56
- Septic permits
- Jim Wells County Safety & Inspection Department; $260 listed permit fee34
- Flood permit
- Required for development in special flood-hazard areas within county jurisdiction2
- RV / tiny home living
- Not restricted by county zoning on unincorporated land6
- Minimum home size
- No county zoning minimum on unincorporated land6
- Owner-builder
- No separate exemption confirmed; the county does not require the underlying home-building permit17
- Septic soil difficulty
- Only 26.9% of county soils lack severe limits for a conventional drain field8
Who to call
Septic permits
Jim Wells County Safety & Inspection Department
OSSF permitting, maintenance and construction requirements, plus county safety and inspection questions
601 E. Main St., Ste. 275, Alice, Texas 78332
Building permits
Jim Wells County Safety & Inspection Department
Publishes county guidance for construction permits in unincorporated Jim Wells County
Contact details are copied from each office’s official page and were checked against it on September 28, 2026.
Do you need a building permit in Jim Wells County, Texas?
No county building permit or certificate of occupancy is required for a home in unincorporated Jim Wells County1. The county's builder notice says county records show no adopted building-code policy or ordinance and that builders may proceed without a county permit or certificate for those codes9. The same notice says Jim Wells County was in the process of adopting building, electrical, and plumbing codes, so call the Safety & Inspection Department before work begins to confirm that the published position remains current9. A separate floodplain development permit is required for development in special flood-hazard areas within county jurisdiction2. Septic permitting also remains separate from the home-building question3.
Who handles building and permit questions in Jim Wells County?
Jim Wells County does not list a conventional building department that issues residential construction permits; the Safety & Inspection Department publishes the county's builder guidance and administers the OSSF program149. Contact the department at 361-668-10184. Its mailing address is 601 E. Main St., Ste. 275, Alice, Texas 783324. The county's builder notice directs project-specific septic questions to the department9. Ask the office to check the parcel and proposed work before relying on the general no-building-permit rule, especially because the notice says code adoption was in progress9.
Does Jim Wells County have zoning?
Unincorporated Jim Wells County has no county zoning ordinance56. As a result, the county sets no zoning-based minimum dwelling size, minimum lot size, setback, lot-coverage limit, or building-height limit there6. County zoning rules also do not restrict accessory dwellings, manufactured-home occupancy, RV occupancy, tiny-home occupancy, or temporary camping on unincorporated land6. This answer is limited to county zoning: land inside a municipality can be subject to city rules. Private deed restrictions, subdivision covenants, floodplain requirements, septic rules, and utility conditions are separate from zoning, so review the deed and ask the Safety & Inspection Department about the parcel before buying23.
How do septic permits work in Jim Wells County?
Jim Wells County's Safety & Inspection Department is the local OSSF authorized agent for septic permitting, construction, and maintenance requirements34. The department lists a $260 OSSF permit fee, payable by check or money order4. Submit the application and planning materials to the permitting authority; the authority must approve or deny them within 30 days after receipt and explain a denial in writing10. Texas generally requires a permit to construct, install, alter, extend, or repair an OSSF11. A narrow exemption can apply to a single-family home on at least 10 acres only when every listed condition is met, including a licensed site evaluation, one dwelling, on-property effluent disposal, and at least 100 feet between every system component and the property line11. Only 26.9% of county soils lack severe limitations for a conventional drain field, making an early site evaluation especially useful8.
Can you live in an RV or tiny home on your land in Jim Wells County?
County zoning does not restrict RV occupancy, tiny-home occupancy, manufactured-home occupancy, accessory dwellings, or temporary camping on unincorporated land in Jim Wells County6. Jim Wells County also sets no zoning-based minimum dwelling size or minimum lot size there6. That does not erase the separate permit systems: development in a special flood-hazard area needs a floodplain development permit, and a septic installation generally needs OSSF approval211. The county's builder notice says no county building permit or certificate is needed for compliance with the building-code types discussed in the notice9. Before placing an RV or tiny home, ask the Safety & Inspection Department how it will treat the proposed wastewater setup and floodplain location32.
Building a home in Jim Wells County: the steps, in order
- Call the Safety & Inspection Department at 361-668-1018 to confirm the current building-permit position and whether the parcel lies in a special flood-hazard area492.
- Arrange the septic site evaluation and design early because only 26.9% of county soils lack severe limits for a conventional drain field8.
- Submit the OSSF application and planning materials to the Safety & Inspection Department and budget for its listed $260 fee104.
- If access connects to a state highway, submit TxDOT Form 1058 and obtain an executed driveway permit before right-of-way work begins12.
- Resolve floodplain approval before development in a special flood-hazard area, then reconfirm that no county home-building permit or certificate is required21.
What to check before you buy land in Jim Wells County
Check septic feasibility before committing: only 26.9% of Jim Wells County soils lack severe limitations for a conventional drain field8. Check flood status with the Safety & Inspection Department because development in a special flood-hazard area requires a county floodplain development permit24. We could not confirm the private-well permitting authority from the reviewed county material, so identify the applicable groundwater district and water source for the specific parcel before closing. Annual precipitation is 26.1 inches, and severe drought occurs in about 20.4% of years1314. About 99.9% of county land has a slope of 15% or less, while 21.7% is wooded1516. The effective property-tax rate is about 1.3%, and the median annual property-tax bill is about $1,3111718. Confirm legal access and ask whether a state-highway connection needs TxDOT's driveway permit19.
Watch-outs
- Jim Wells County's published builder guidance says code adoption was in progress, so confirm the current status with the Safety & Inspection Department before starting work9.
- The private-well permit authority and parcel-specific utility-connection requirements remain unconfirmed; ask the Safety & Inspection Department which district or provider serves the property4.
Sources
- Jim Wells County Safety & Inspection Department, Building Permit notice (2023) (2026 county census)
- Flood Damage Prevention Court Order, quoted and re-checked
- Jim Wells County Safety & Inspection Department (2026 county census)
- Jim Wells County Safety & Inspection Department (co.jim-wells.tx.us)
- Jim Wells County Safety & Inspection Department (2026 county census)
- Texas law on county zoning and building authority
- (2026 county census)
- Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
- Jim Wells County Safety & Inspection Department (co.jim-wells.tx.us)
- Getting a Permit for an OSSF - Such as a Septic System, quoted and re-checked
- Getting a Permit for an OSSF - Such as a Septic System (Texas statewide rule), quoted and re-checked
- Section 4: Driveway Permits, Design, and Materials (Texas statewide rule), quoted and re-checked
- 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
- Effective property tax rate: Bolthole Index county data
- Median property tax bill: Bolthole Index county data
- Section 4: Driveway Permits, Design, and Materials (Texas statewide rule), quoted and re-checked
Written September 28, 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.