Bolthole Index

Upshur County, Texas

Zoning, building permits and septic rules in Gilmer, Texas

Gilmer is a city in Upshur County, Texas. 6 rules below are quoted from official sources and independently re-checked, most recently on October 18, 2026. Rules for unincorporated land are on the Upshur County page.

Answers from the rulebook for Gilmer

Gilmer’s own rules

  • Building permitRequired

    Residential construction in Gilmer city involving plumbing, electrical, or mechanical work.

    • Separate plumbing, electrical, and mechanical permits must be approved and paid before construction begins.
    • The cited form does not establish the full applicability of a general building permit to every form of work.
    “NOTICE: Separate permits are required for plumbing, electrical and mechanical.”
  • Building code adoptedAdopted (with conditions)

    Property, buildings, and structures in Gilmer city.

    • The ordinance adopts the 2018 IBC, IRC, IPC, IMC, and IFGC and 2017 NEC; it says the code documents are on file with the Community Development Coordinator.
    • The ordinance states it took effect May 1, 2018.

    International Building Code edition: 2018 · International Residential Code edition: 2018 · National Electrical Code edition: 2017

    “That certain documents, which are on file in the office of the Community Development Coordinator of the City of Gilmer, Texas, being marked and designated as the 2018 International Building Code, 2018 International Residential Code, 2018 International Plumbing Code, 2017 National Electrical Code, 2018 International Mechanical Code and 2018 International Fuel Gas as published by the International Code Council, be and are hereby adopted as the Building Code, Residential Code, Plumbing Code, Electrical Code, Mechanical Code and Fuel Gas Code of the City of Gilmer; in the State of Texas”
  • Minimum dwelling sizeSpecified

    Dwellings governed by Appendix A, Zoning, section 6-3 of the Gilmer Code of Ordinances.

    • Ordinance No. 18-017 amended Appendix A, Zoning, section 6-3 by adding item 1.G.
    • The opened amendment does not identify the district name or any exceptions.

    minimum dwelling size: >= 1200 sq ft

    “BE IT ORDAINED BY THE CITY COUNCIL OF THE CITY OF GILMER: That Appendix A, Zoning, Section 6-3 be amended, adding Item 1.G to read as follows: G. Minimum Dwelling Size 1,200 sq. ft.”
  • Subdividing landRegulated (with conditions)

    An owner dividing land into two or more parts for a subdivision or addition inside Gilmer city limits.

    • The rule applies when a tract is divided into two or more parts for laying out a subdivision or addition.
    • The owner must comply with City subdivision regulations or ordinances and applicable Texas statutes.

    parts triggering subdivision rule: >= 2 parts (For the purpose of laying out a subdivision or addition to the City.)

    “Hereafter, every owner of any tract of land situated within the corporate limits of the City of Gilmer, who may divide the same in two (2) or more parts for the purpose of laying out any subdivision or any addition to the City, shall comply with the provisions of the Subdivision Regulations or ordinances of the City, and such other Statutes of the State of Texas, as now or hereafter amended.”
  • Permit feesPublished (with conditions)

    Listed City of Gilmer permit and inspection services.

    • The opened fee schedule states electrical permit fees are per address.
    • The opened fee schedule states plumbing fees are per inspection and covers sewer lines, water lines, and water heaters.

    electrical building permit fee: 50 USD per address · plumbing permit fee: 85 USD per inspection (Sewer lines, water lines, and water heaters.) · certificate of occupancy fee: 50 USD (Residential; commercial fee is $100.)

    “Building permit (electrical)-205 $50.00 per address Building permit (plumbing) – new/existing – gas test-206 $85.00 per inspection - sewer lines/water lines/water heaters”
  • Permit processPublished (with conditions)

    Building-permit requests made to the City of Gilmer.

    • The City directs applicants to use GovWell, create an account, complete contractor registration, then access and submit application forms electronically.
    “To register and submit applications: 1. Visit GovWell 2. Create an account 3. Complete the contractor registration process 4. Access permit application forms and submit electronically”

Still unanswered

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

  • Owner-builder exemption — Owner-built residential construction inside Gilmer city limits.
  • Certificate of occupancy — Occupancy of structures inside Gilmer city limits.
  • Minimum lot size — Lots inside Gilmer city limits.
  • Setbacks — Development inside Gilmer city limits.
  • Lot coverage — Development inside Gilmer city limits.
16 more unanswered
  • Building height
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Manufactured homes
  • Accessory dwellings
  • Who permits septic
  • Septic permit
  • Septic inspection
  • Off-grid sanitation
  • Well permit
  • Mandatory utility hookup
  • Agricultural exemption
  • Driveway access
  • Building in a floodplain
  • 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 Gilmer publishes no rule on the point, not that none exists. Upshur County’s page lists the county offices to call.

Off-grid gear

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

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