Bolthole Index

Hamilton County, Texas

Zoning, building permits and septic rules in Hico, Texas

Hico is a city in Hamilton County, Texas. Hico adopts its own zoning, so inside its limits Hico’s rules apply, not the county’s. 4 rules below are quoted from official sources and independently re-checked, most recently on November 12, 2026. Rules for unincorporated land are on the Hamilton County page.

Answers from the rulebook for Hico

Hico’s own rules

  • Owner-builder exemptionConditional

    Homeowner doing HVAC, plumbing and electrical work on own homestead inside Hico city limits

    • Applies to trade licensing only; work must still be permitted and inspected
    • Notarized affidavit of ownership and occupancy filed with the city
    “the city of hico recognizes provisions within state law which allows a homeowner occupying his homestead to work on the hvac, plumbing and electrical systems in that homestead without having the required licenses. a notarized affidavit of ownership and occupancy must be filed with the city and the work must still be permitted and inspected.”
  • Local zoningPresent

    Land inside Hico city limits

    • Zoning ordinance text itself was not opened; existence shown by the city's ordinances page and a rezoning notice.
    “the location is currently zoned as single family residential, the proposed rezoning is multi-family.”
  • Zoning districtsPartial

    Zoning districts inside Hico city limits

    • Notice shows single family residential and multi-family districts exist; full district schedule not opened.
    “the location is currently zoned as single family residential, the proposed rezoning is multi-family.”
  • Subdividing landRegulated (with conditions)

    Subdivision of land inside Hico city limits

    • Ordinance text not opened; only its existence is shown.
    “ordinances ordinance making authority subdivision ordinance zoning ordinance ordinances document search”

Still unanswered

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

  • Building code adopted — Building code inside Hico city limits
  • Certificate of occupancy — Certificate of occupancy inside Hico city limits
  • Minimum dwelling size — Minimum dwelling size, main single-family district, Hico city
  • Minimum lot size — Minimum lot size, main single-family district, Hico city
  • Setbacks — Setbacks, main single-family district, Hico city
19 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
  • Off-grid sanitation
  • Well permit
  • Mandatory utility hookup
  • Agricultural exemption
  • Driveway access
  • Building in a floodplain
  • Short-term rentals
  • Permit fees
  • Permit process

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

Off-grid gear

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

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