Bolthole Index

Tarrant County, Texas

Zoning, building permits and septic rules in Azle, Texas

Inside Azle city limits in Tarrant County, Texas, the City of Azle issues building permits1 and sets zoning by district2. Septic permits come from the Tarrant County OSSF program, which lists Azle among the cities it regulates3. Outside city limits, Tarrant County issues no residential building permits4 and has no zoning authority5.

At a glance

Building permit
Required from the City of Azle, for properties inside city limits1
Zoning
City zoning districts apply inside Azle; the parcel's district controls26
Septic permit
Tarrant County OSSF program regulates septic in Azle3
Minimum home size
Set by district: 2,000 sq ft in SF-1, 900 sq ft in SF-57
Minimum lot size
Set by district: 21,780 sq ft in SF-1, 6,000 sq ft in SF-58
Manufactured homes
Only in districts that list them (SF-5, SF-MHP; limited in SF-4)9
Water well
City water-well permit required before drilling in city limits10
RV or tiny home living
Not confirmed inside Azle; ask the city11

Who to call

Building permits

City of Azle Planning & Development (building permits)

Residential and commercial building permits for properties inside Azle city limits

817-444-2541

[email protected]

505 W. Main Street Azle, TX 76020

Zoning

City of Azle Planning & Development (zoning and platting)

Zoning, platting and development review inside Azle and its extra-territorial jurisdiction

817-444-2541

505 W. Main Street Azle, TX 76020

Building permits

City of Azle inspections (third-party contractor SafeBuilt)

Plan review and inspections for permitted construction inside Azle

940-521-0470

[email protected]

Septic permits

Tarrant County OSSF Program (Engineering Services)

OSSF (septic) permit applications for unincorporated Tarrant County and its contract cities, Azle included

817-212-7082

100 E. Weatherford St., Fort Worth, Texas 76196

Septic permits

Tarrant County Engineering: environmental health contract cities

Lists the cities, Azle among them, where Tarrant County regulates on-site sewage facilities

100 E. Weatherford St., Fort Worth, Texas 76196

Contact details are copied from each office’s official page and were checked against it on October 24, 2026.

Off-grid gear

Going off-grid in Azle means bringing your own water and power. The kit we’d start with:

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Do you need a building permit in Azle, Texas?

Yes. The City of Azle issues building permits for properties inside its city limits, and the city states it only issues permits for properties inside those limits1. Residential building covers new homes, additions, alterations, repairs, and moving or removing structures1. Decks and walks more than 30 inches above grade also need a building permit1. The city does not require general contractor registration1, and building permit fees vary with the type of construction1.

Azle adopted the 2024 International Building Code and 2024 International Residential Code, among others, in a 2026 ordinance11. We could not confirm from the city's code pages whether an owner who builds their own home gets any exemption, so ask the permit office before you buy plans.

Who issues building permits in Azle, and how do you reach them?

The City of Azle's Planning & Development department handles building permits and zoning. Call 817-444-2541 or email [email protected]1. Plan review and inspections are done by the city's third-party contractor, SafeBuilt12. Schedule inspections at [email protected] or 940-521-0470, and request them by 4:00 PM for next-business-day service12.

An Azle mailing address does not mean the property is in the city. The city says its limits are not the same as the school district boundary or the area with an Azle postal address, and it points applicants to either the Parker County or the Tarrant appraisal district to check1. Check the appraisal district record, or call the city before you apply.

Does Azle have zoning, and what does it mean for RVs, tiny homes and lot size?

Yes. Azle divides the city into zoning districts, and a structure may not exceed the setback, height, lot coverage or floor area rules of its district213. Any use not listed in a district is prohibited9. Name your parcel's district before you plan anything.

SF-1 requires a 21,780-square-foot lot and 2,000 square feet of living space87. SF-5 requires 6,000 square feet of lot and 900 square feet of living space87. HUD-code manufactured homes are permitted in SF-5 and SF-MHP and limited in SF-49.

We could not confirm Azle's rules for living in an RV or a tiny home. Ask Planning & Development at 817-444-254111.

How do septic permits work inside Azle?

Tarrant County's Engineering Department regulates septic systems (OSSFs) in the unincorporated areas and in a list of cities that includes Azle3. For a lot in Azle served by a septic system, contact the county OSSF program at 817-212-708214 rather than the city's building office.

Texas requires a permit and approved plan to build, alter, repair or extend a septic system15. The statewide 10-acre exemption requires a single-family dwelling on a tract of at least 10 acres, so it rarely helps on a city lot15. The county page says Azle is covered; we did not confirm what Azle's own code says about septic, so ask both offices if your lot may sit on the Parker County side.

Do you need a permit to drill a water well in Azle?

Yes. Inside Azle city limits, a water well permit from the city is required before anyone digs, drills, bores or drives a well10. Applications go to the city secretary or a person the city manager designates16. The permit fee is unrefundable and must be paid in full before the city acts on the application17. The well must also meet applicable state and city requirements10.

What are the steps to build a home in Azle, in order?

  1. Confirm the parcel is inside Azle city limits using the appraisal district record, or call the city at 817-444-25411.
  2. Find the parcel's zoning district and check lot size, living space and setbacks for it613.
  3. Call the Tarrant County OSSF program if the lot will use septic14, or ask the city about sewer service.
  4. Apply for the residential building permit with the city; listed subcontractors need not apply separately1.
  5. Request inspections through the city's contractor, SafeBuilt12.

What stays with Tarrant County, and what to check before you buy in Azle?

Land outside city limits falls under Tarrant County rules instead. There, Tarrant County issues no building permits or certificates of occupancy for residential homes4, and county zoning is not allowed under state law18. A driveway permit, floodplain permit and platting come from the county for unincorporated land19.

For planning a budget, Tarrant County's effective property tax rate is 1.8%20 and the typical home value is about $326,00021. We could not confirm Azle's flood, driveway or utility-connection rules, so ask the city before closing.

Watch-outs

  • The City of Azle points applicants to both the Parker County and Tarrant appraisal districts to confirm city limits; we could not confirm who handles septic permits on the Parker County side, so ask the city at 817-444-2541 before you buy1.
  • County rules in Tarrant County apply only outside city limits; inside Azle the city's zoning and building permit rules apply21.
  • We could not confirm Azle's rules for RVs, tiny homes, driveways, floodplain development or owner-built homes; ask Planning & Development11.
  • Azle adopted new building codes in March 2026 and they took effect in May 2026, so older plans may need updating11.

Sources

  1. City of Azle Planning & Development (building permits) (cityofazle.org)
  2. Section 4: Zoning Districts Regulations - City of Azle, TX (Azle), quoted and re-checked
  3. Tarrant County Engineering: environmental health contract cities (tarrantcountytx.gov)
  4. Guidelines for Development in the Unincorporated Areas of Tarrant County, quoted and re-checked
  5. Guidelines for Development in the Unincorporated Areas of Tarrant County, quoted and re-checked
  6. Section 4: Zoning Districts Regulations - City of Azle, TX (Azle), quoted and re-checked
  7. Section 4: Zoning Districts Regulations - City of Azle, TX (Azle), quoted and re-checked
  8. Section 4: Zoning Districts Regulations - City of Azle, TX (Azle), quoted and re-checked
  9. Section 4: Zoning Districts Regulations - City of Azle, TX (Azle), quoted and re-checked
  10. Article 3.09: Water Wells - City of Azle, TX (Azle), quoted and re-checked
  11. City of Azle Planning & Development (zoning and platting) (cityofazle.org)
  12. City of Azle inspections (third-party contractor SafeBuilt) (cityofazle.org)
  13. Section 4: Zoning Districts Regulations - City of Azle, TX (Azle), quoted and re-checked
  14. Tarrant County OSSF Program (Engineering Services) (tarrantcountytx.gov)
  15. Getting a Permit for an OSSF - Such as a Septic System (Texas statewide rule), quoted and re-checked
  16. Article 3.09: Water Wells - City of Azle, TX (Azle), quoted and re-checked
  17. Article 3.09: Water Wells - City of Azle, TX (Azle), quoted and re-checked
  18. Development Regulations and Engineering Standards, quoted and re-checked
  19. ROW Encroachment Permits, quoted and re-checked
  20. Effective property tax rate: Bolthole Index county data
  21. Typical home value (Zillow): Bolthole Index county data

Written October 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.

Answers from the rulebook for Azle

Azle’s own rules

  • Local zoningPresent (with conditions)

    Land inside Azle city limits.

    • Uses and structures must comply with the zoning district in which they are located.
    “For the purpose of this ordinance, the city is divided into the following zoning districts:”
  • Zoning districtsPublished (with conditions)

    Zoning districts for land inside Azle city limits.

    • Zoning district boundaries are delineated on the current official zoning map maintained by the Zoning Administrator.
    “For the purpose of this ordinance, the city is divided into the following zoning districts:”
  • Manufactured homesLimited

    HUD-code manufactured homes inside Azle city limits.

    • Manufactured housing is permitted only where specifically listed in the zoning ordinance.
    • The schedule lists HUD-code manufactured homes as permitted in SF-5 and SF-MHP and subject to limitation in SF-4.
    “All uses permitted in a particular zoning district are specifically listed in that zoning district. Any use not expressly listed is expressly prohibited. No structure shall hereafter be erected, altered, relocated, or converted, nor shall any building or land be occupied, used, or maintained for any purpose other than is permitted in the zoning district in which such structure or land is located. Manufactured housing is permitted only in zoning districts where it is specifically listed.”
  • Well permitRequired

    Digging, drilling, boring, or driving a water well within Azle city limits.

    • The water-well permit must be obtained from the city before work.
    • The applicant must submit the application information specified in § 3.09.004.
    • An unrefundable fee from Appendix A must be paid in full before the city acts on or grants the permit.
    • The well must conform to applicable state and city requirements.
    “without first obtaining a water well permit from the city”
  • Permit feesPublished (with conditions)

    City water-well permits inside Azle city limits.

    • The fee is unrefundable.
    • The city will not act on or grant a water-well permit until the Appendix A fee is paid in full.
    “Applicants for a water well permit shall pay an unrefundable permit fee as provided for in the fee schedule found in appendix A of this code, and the city shall not act upon nor grant any water well permit until the permit fee has been paid in full.”
  • Permit processPartial

    City water-well permit applications inside Azle city limits.

    • Application is made with the city secretary or a person designated by the city manager.
    • The application must include the specified owner, site, proposed-well, and proximity information.
    “Applications for a water well permit shall be made with the city secretary, or other duly appointed person designated by the city manager. The applicant shall provide the following information in reference to a proposed water well and the property upon which such well is to be located:”

Rules another office applies inside Azle

Azle does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.

  • Minimum dwelling sizeDistrict specific (with conditions)

    Residential zoning districts inside Azle city limits, including SF-1 and AG where residential uses are authorized.

    • The cited schedule identifies district-specific minimum living space; a parcel's zoning district controls.
    • SF-1 minimum living space is 2,000 square feet.
    • SF-5 minimum living space is 900 square feet.
    • MD-1 and MD-2 minimum living space is 800 square feet.

    SF-1 minimum living space: 2000 square feet · SF-5 minimum living space: 900 square feet

    “SF-1 Single-Family One District: Single-family, detached, medium size lots with minimum lot sizes of 21,780 square feet, with minimum lot widths of 120 feet, and with minimum living space of 2,000 square feet. (See Section 8 of this ordinance).”
  • Minimum lot sizeDistrict specific (with conditions)

    Residential zoning districts inside Azle city limits, including SF-1 and AG where residential uses are authorized.

    • The cited schedule identifies district-specific minimum lot sizes; a parcel's zoning district controls.
    • SF-1 minimum lot size is 21,780 square feet.
    • SF-5 minimum lot size is 6,000 square feet.
    • MD-1 minimum lot size is 4,000 square feet and MD-2 minimum lot size is 3,600 square feet.

    SF-1 minimum lot size: 21780 square feet · SF-5 minimum lot size: 6000 square feet

    “SF-1 Single-Family One District: Single-family, detached, medium size lots with minimum lot sizes of 21,780 square feet, with minimum lot widths of 120 feet, and with minimum living space of 2,000 square feet. (See Section 8 of this ordinance).”
  • SetbacksDistrict specific (with conditions)

    Structures in zoned districts inside Azle city limits.

    • A structure may not exceed the setback regulation of its zoning district.
    “No structure that is hereafter erected, altered, relocated, or converted shall exceed the height, setback, floor area, lot coverage, density, or other development regulations of the zoning district in which it is located.”
  • Lot coverageDistrict specific (with conditions)

    Structures in zoned districts inside Azle city limits.

    • A structure may not exceed the lot-coverage regulation of its zoning district.
    “No structure that is hereafter erected, altered, relocated, or converted shall exceed the height, setback, floor area, lot coverage, density, or other development regulations of the zoning district in which it is located.”
  • Building heightDistrict specific (with conditions)

    Structures in zoned districts inside Azle city limits.

    • A structure may not exceed the height regulation of its zoning district.
    “No structure that is hereafter erected, altered, relocated, or converted shall exceed the height, setback, floor area, lot coverage, density, or other development regulations of the zoning district in which it is located.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Azle or Tarrant County directly.

  • Building permit — Building construction inside Azle city limits.
  • Owner-builder exemption — Owner-built residences inside Azle city limits.
  • Building code adopted — Construction inside Azle city limits.
  • Inspections — Building construction inside Azle city limits.
  • Certificate of occupancy — Occupancy of structures inside Azle city limits.
11 more unanswered
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Who permits septic
  • Septic permit
  • Septic inspection
  • Off-grid sanitation
  • Mandatory utility hookup
  • Agricultural exemption
  • Driveway access
  • Building in a floodplain

Each answer was extracted from an official source and independently re-checked against that source by a second reviewer. That is an evidence check, not legal advice. Rules change; confirm with the authority before you buy or build.

Unanswered questions are usually a sign that Azle publishes no rule on the point, not that none exists. Tarrant County’s page lists the county offices to call.

← All of Tarrant County: county rules, score and offices