Bolthole Index

Lamb County, Texas

Zoning, building permits and septic rules in Olton, Texas

Olton is a city in Lamb County, Texas. 7 rules below are quoted from official sources and independently re-checked, most recently on October 24, 2026. Rules for unincorporated land are on the Lamb County page.

Answers from the rulebook for Olton

Olton’s own rules

  • Building code adoptedAdopted (with conditions)

    One- and two-family dwellings and townhouses up to three stories inside Olton city limits; the city also adopts the 2018 International Building Code for other buildings.

    • The 2018 International Building Code applies to buildings except one- and two-family dwellings and townhouses up to three stories.
    • The 2018 International Residential Code comprises building, plumbing, mechanical, fuel-gas, and electrical requirements for one- and two-family dwellings and townhouses up to three stories.

    International Residential Code edition: 2018 (One- and two-family dwellings and townhouses up to three stories.)

    “A certain document, three (3) copies of which are on file in the office of code enforcement of the city, being marked and designated as the 2018 International Residential Code of the city, in the state comprising all building, plumbing, mechanical, fuel gas and electrical requirements for one- and two-family dwellings and townhouses up to three stories.”
  • Certificate of occupancyRequired

    Tiny homes inside Olton city limits.

    • Occupancy is not permitted until the city inspection is passed and a Certificate of Occupancy is issued.
    “No occupancy shall be permitted until the inspection is passed and a Certificate of Occupancy is issued.”
  • Minimum lot sizeSpecified

    Lots on which a manufactured home is installed inside Olton city limits.

    • No installation permit may issue for a manufactured home on a lot smaller than the required minimum width.
    • The requirement does not apply to replacement manufactured homes already located within the City.

    minimum lot width: >= 50 feet (Does not apply to replacement manufactured homes.)

    “All Manufactured Homes installed within the City shall be located on a lot having a minimum width of 50 feet. No installation permit shall be issued for a Manufactured Home on a lot smaller than this minimum requirement.”
  • Living in an RVLimited

    Travel trailers and recreational vehicles used as habitation inside Olton city limits.

    • A travel trailer may not be used as habitation for more than 30 days without a city permit.
    • Established trailer parks at 9th and Ave. D, 3rd and Ave. I, 109 Ave. H, and 900 Ave. G are exempt from the article.
    • Future trailer-park areas require City Council approval and proper water, sewer, and electrical hookups.

    unpermitted habitation duration: <= 30 days (A city permit is required for a longer habitation period.)

    “A travel trailer shall not be used by any person as a habitation for a period of time exceeding thirty (30) days without first obtaining a permit for that purpose from the city.”
  • Tiny homesLimited

    Tiny homes inside Olton city limits.

    • A permit is required before a tiny home is moved, constructed, assembled, installed, or placed.
    • The City Council must approve the site layout before permit issuance.
    • The City must inspect before occupancy, and a Certificate of Occupancy is required.
    • A tiny home may not be closer than five feet to a property line and may not encroach into public right-of-way or easements.

    tiny-home floor area: <= 400 square feet (Excludes lofts.)

    “No occupancy shall be permitted until the inspection is passed and a Certificate of Occupancy is issued.”
  • Manufactured homesLimited

    HUD-Code manufactured homes inside Olton city limits.

    • A city permit is required before moving a manufactured home into the city or onto a lot and before replacing an existing manufactured home.
    • The permit application must include proof of the home's age, the required property survey, and other City-required documentation.
    • A newly installed manufactured home requires a current licensed-surveyor property survey demonstrating compliance with applicable lot-size, setback, and zoning requirements.
    • A manufactured home moved into or installed in the city may not be more than 10 years old, measured by HUD Certification Label manufacture date.

    minimum lot width for installed manufactured homes: >= 50 feet (The minimum lot-size requirement does not apply to replacement manufactured homes.) · maximum age of manufactured home moved into or installed in city: <= 10 years (Measured by HUD Certification Label date of manufacture.)

    “No person may move into the City of Olton or move onto any lot within the City of Olton, any Manufactured Home without first obtaining a permit from the City. A permit shall also be required prior to the replacement of any existing Manufactured Home.”
  • Driveway accessRequired

    Parking access serving tiny homes inside Olton city limits.

    • Parking access must be from an adjacent public street rather than an alley.
    • Parking areas must use all-weather-surface material and be maintained to prevent erosion, rutting, or standing water.
    “Parking access must be from an adjacent public street and not from an alley.”

Still unanswered

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

  • Owner-builder exemption — Residential construction inside Olton city limits.
  • Local zoning — Land inside Olton city limits.
  • Zoning districts — Zoning districts inside Olton city limits.
  • Minimum dwelling size — Residential dwellings inside Olton city limits.
  • Lot coverage — Residential lots inside Olton city limits.
12 more unanswered
  • Building height
  • Camping on your land
  • Accessory dwellings
  • Who permits septic
  • Septic permit
  • Septic inspection
  • Off-grid sanitation
  • Well permit
  • Agricultural exemption
  • Subdividing land
  • Short-term rentals
  • Permit fees

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

Off-grid gear

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

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