Bolthole Index

Williamson County, Texas

Zoning, building permits and septic rules in Bartlett, Texas

Bartlett is a city in Williamson County, Texas. Bartlett adopts its own zoning, so inside its limits Bartlett’s rules apply, not the county’s. 8 rules below are quoted from official sources and independently re-checked, most recently on October 24, 2026. Rules for unincorporated land are on the Williamson County page.

Answers from the rulebook for Bartlett

Bartlett’s own rules

  • Building code adoptedAdopted (with conditions)

    Construction regulated by Bartlett inside city limits.

    • Article 4.02 became effective October 1, 2023.
    • Applicants must inquire about and comply with the most current code adopted when applying for a construction permit.

    International Building Code edition: 2018 · International Residential Code edition: 2018 · National Electrical Code edition: 2020

    “The city adopts the International Building Code, 2018 edition, a copy of which together with all amendments thereto is on file in the city secretary’s office.”
  • InspectionsLimited

    Dwelling units seeking a certificate of occupancy after vacancy inside Bartlett city limits.

    • The city secretary must find that the dwelling conforms to the listed minimum standards before issuing the certificate.
    “The city secretary shall not issue a certificate of occupancy until the dwelling unit has been inspected and found to conform with all of the provisions above.”
  • Certificate of occupancyRequired

    Occupation of dwellings, buildings, and other structures inside Bartlett city limits.

    • An existing structure that becomes vacant may not be reoccupied until the city secretary issues a certificate.
    • Application must be made on the form obtainable from the city secretary.
    “No person shall occupy any dwelling, building or other structure, either as a dwelling or as a business, until after a certificate of occupancy has been issued.”
  • Local zoningPresent (with conditions)

    Land inside Bartlett city limits.

    • The zoning ordinance was adopted in 2006; the adopted text is on file for public inspection at city offices rather than included in the online code.
    “The zoning ordinance of the city, adopted in 2006, is not included in this code, but such ordinance is adopted by reference and specifically saved from repeal. The ordinance is on file and available for public inspection at the offices of the city.”
  • Off-grid sanitationLimited

    Dwelling-unit sanitation inside Bartlett city limits.

    • A septic tank option must be of proper design and construction.
    • City sanitary sewer is required where available.
    “Each plumbing fixture installed in any dwelling unit shall be provided with adequate drain facilities connected either to the city sanitary sewer where available or to a septic tank of proper design and construction.”
  • Mandatory utility hookupConditional

    Dwelling-unit drainage facilities inside Bartlett city limits.

    • Drain facilities must connect to city sanitary sewer where it is available; otherwise they may connect to a properly designed and constructed septic tank.
    “Each plumbing fixture installed in any dwelling unit shall be provided with adequate drain facilities connected either to the city sanitary sewer where available or to a septic tank of proper design and construction.”
  • Subdividing landRegulated (with conditions)

    Subdivision and platting within Bartlett city limits.

    • The subdivision code is Ordinance 2023-1127-01, as amended.
    • The code includes platting-required, application-procedure, preliminary-plat, final-plat, minor-subdivision, and re-subdivision provisions.
    “Editor’s note–This article consists of the subdivision code, Ordinance 2023-1127-01 adopted November 27, 2023, and effective December 1, 2023, as amended.”
  • Permit processPartial

    Certificate-of-occupancy process inside Bartlett city limits.

    • The application form is obtained from the city secretary.
    • A denied applicant may appeal to city council for reconsideration.
    “Application for a certificate of occupancy shall be made on a form provided for that purpose and obtainable from the city secretary.”

Still unanswered

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

  • Building permit — New residential construction inside Bartlett city limits.
  • Owner-builder exemption — Owner-built residences inside Bartlett city limits.
  • Minimum dwelling size — Residential districts inside Bartlett city limits.
  • Minimum lot size — Residential districts inside Bartlett city limits.
  • Setbacks — Residential districts inside Bartlett city limits.
14 more unanswered
  • Lot coverage
  • Building height
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Manufactured homes
  • Accessory dwellings
  • Who permits septic
  • Septic permit
  • Septic inspection
  • Well permit
  • Agricultural exemption
  • Driveway access
  • Short-term rentals

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 Bartlett publishes no rule on the point, not that none exists. Williamson County’s page lists the county offices to call.

Off-grid gear

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

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