Bolthole Index

Clay County, Texas

Building permits, zoning and septic rules in Henrietta, Texas

For Henrietta, Texas, we could not confirm the general residential building-permit requirement; ask Henrietta City Hall before construction.1 Clay County’s exemption from building permits applies to unincorporated land, not Henrietta city limits.2 Henrietta prohibits travel trailers and motor homes as residences, while Clay County’s OSSF program handles septic permitting for Henrietta.34

At a glance

Building permits
City requirement unconfirmed; ask Henrietta City Hall1
Zoning
Current zoning status unconfirmed; ask Henrietta City Hall1
Septic permits
Required before installation and use where Henrietta requires a septic tank; contact Clay County OSSF54
RV living
Travel trailers and motor homes cannot be occupied as residences or connected to city utilities3
Manufactured homes
HUD-code home placement is conditional; an individual lot cannot already contain a residential dwelling or structure6
Sewer connection
Required where a sanitary sewer exists and the property line comes within 100 feet7

Who to call

Also useful

Henrietta City Hall

Municipal contact for questions about building permits, zoning, home placement, utilities and floodplain review; ask for the responsible official.

940-538-4316

101 North Main Henrietta, TX 76365

Septic permits

Clay County OSSF Program

OSSF permitting contact serving Henrietta; TCEQ lists the county agent’s service area as the entire county except Bellevue.

(940) 447-5032

[email protected]

210 W Ikard St, Ste B Henrietta, TX, 76365

Contact details are copied from each office’s official page and were checked against it on October 11, 2026.

Off-grid gear

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

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Do you need a building permit in Henrietta, TX?

We could not confirm Henrietta’s general residential building-permit requirement, inspection schedule or owner-builder exemption; ask City Hall for the requirements for your address and proposed home before starting work.1 Unincorporated Clay County does not require county building permits or zoning, but the county notice does not cover construction inside Henrietta city limits.2 For land outside the city, use the Clay County guide.2 Henrietta does require plumbing installations to comply with its adopted International Plumbing Code, 2006 Edition, with local additions and deviations.8

Who should you contact about building permits in Henrietta?

Start municipal building-permit and zoning questions with Henrietta City Hall at 940-538-4316, at 101 North Main, Henrietta, TX 76365.1 Ask City Hall to identify the official responsible for residential construction, the application form, current fees, required inspections and any occupancy approval.1 For a manufactured home, ask about the plot-plan or site-plan pre-approval required before installation is completed.6 Septic permitting is a separate conversation with the Clay County OSSF Program at (940) 447-5032; TCEQ lists the county agent’s service area as the entire county except Bellevue.4

Does Henrietta have zoning, lot-size rules or setbacks?

We could not confirm Henrietta’s current zoning status, a zoning map or conventional-house lot-size and setback requirements; ask City Hall for the rules applicable to the parcel.1 Henrietta’s manufactured-home-park rules are specific: each HUD-code manufactured-home space must provide at least 3,200 square feet.9 Manufactured-home park spaces have front, rear and side setbacks of 25, 15 and 10 feet respectively.10 Those requirements concern manufactured-home park spaces, rather than establishing dimensions for every residential lot in Henrietta.910 Ask City Hall to distinguish park requirements from the requirements for your individual lot before ordering a home.1

How do sewer connections and septic permits work in Henrietta?

Henrietta requires a building’s sewer connection where a sanitary sewer exists or becomes available and the property line approaches or extends within 100 feet of that sewer.7 Henrietta also prohibits privy vaults on parcels whose property line extends within 100 feet of a city sanitary sewer.11 Where Henrietta requires a septic tank, a permit is required before installation and use; contact Clay County OSSF about the septic application and City Hall about sewer availability.541 Texas generally requires an approved plan and OSSF permit, subject to exemptions and stricter local requirements.12 Clay County’s soils are only 2.2% rated not limited for conventional drain fields; that countywide figure supports budgeting for a site evaluation, not concluding that septic is impossible on a Henrietta lot.13

Can you live in an RV, tiny home or manufactured home in Henrietta?

Henrietta prohibits occupying a travel trailer or motor home as a residence and connecting either to any city utility.3 Do not plan to live in an RV while building in Henrietta under that rule.3 Henrietta allows conditional placement of a HUD-code manufactured home on an individual lot, but the lot cannot already be occupied by a residential dwelling or structure, and a plot plan or site plan must receive pre-approval before installation is completed.6 We could not confirm a separate tiny-home occupancy rule or accessory-dwelling provision; ask City Hall how the proposed structure would be classified before buying it.1

What steps should you take before building a home in Henrietta?

  1. Give Henrietta City Hall the parcel address and proposed home type; ask for confirmation of city limits, building-permit requirements, applicable setbacks, floodplain review, fees and occupancy approvals.1
  2. Resolve wastewater before finalizing the layout: ask City Hall about sewer availability and the city’s connection requirement, and contact Clay County OSSF if septic is proposed.714
  3. For a HUD-code manufactured home, obtain the required site-plan or plot-plan pre-approval before installation is completed.6
  4. If the driveway will connect to a Texas state highway, contact the local TxDOT district office for the state-highway driveway permit before work in the right of way.14

Watch-outs

  • Clay County’s no-building-permit rule covers unincorporated land; do not use that rule as permission to build inside Henrietta.2
  • Henrietta prohibits RV residences, so resolve accommodation during construction before buying a travel trailer or motor home for the lot.3
  • A septic proposal must account for Henrietta’s required sewer connection where the property line is within 100 feet of an available sanitary sewer.7
  • We could not confirm Henrietta’s current building-permit fees, private-well rules or floodplain development-permit process; ask City Hall to identify the responsible offices before committing to a site plan.1

Sources

  1. Henrietta City Hall (cityofhenrietta.com)
  2. Zoning & Building Permits- Unincorporated Areas, quoted and re-checked
  3. Sec. 20-169. - Unauthorized use of services (Henrietta), quoted and re-checked
  4. Clay County OSSF Program (www6.tceq.texas.gov)
  5. Sec. 20-117. - Permit—Required (Henrietta), quoted and re-checked
  6. Sec. 5-133. - HUD-code manufactured home/housing on individual lot (Henrietta), quoted and re-checked
  7. Sec. 20-97. - Connection and use of public sewers required (Henrietta), quoted and re-checked
  8. Sec. 5-56. - Adopted (Henrietta), quoted and re-checked
  9. Sec. 5-132. - HUD-code manufactured home park (Henrietta), quoted and re-checked
  10. Sec. 5-132. - HUD-code manufactured home park (Henrietta), quoted and re-checked
  11. Sec. 20-97. - Connection and use of public sewers required (Henrietta), quoted and re-checked
  12. Getting a Permit for an OSSF - Such as a Septic System (Texas statewide rule), quoted and re-checked
  13. Share of soils USDA rates "not limited" for a conventional septic drain field (SSURGO). A strict rating: the median county is about 6% and a tenth of counties are 0%, so a low figure means most lots need a site evaluation or an engineered system, not that septic is impossible. Cite it only with that caveat: Bolthole Index county data
  14. Section 4: Driveway Permits, Design, and Materials (Texas statewide rule), quoted and re-checked

Written October 11, 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 Henrietta

Henrietta’s own rules

  • Building code adoptedPartial

    Plumbing installations within Henrietta city limits.

    • The adopted code is the International Plumbing Code, 2006 Edition, with additions and deviations contained in the chapter.
    • The cited provision does not establish adoption of a complete building code.

    code edition: International Plumbing Code, 2006 Edition

    “All installations hereafter installed within the corporate limits of the city shall be done in compliance with the International Plumbing Code, (2006 Edition) a copy of which is on file in the office of the city secretary, and is made a part of this chapter, with the additions and deviations there from contained in this chapter.”
  • Minimum lot sizeSpecified

    Each HUD-code manufactured-home space in a manufactured-home park inside Henrietta city limits.

    • The requirement applies to each separate manufactured-home space, not necessarily to a conventional residential lot.
    • The park must also meet other site requirements in Sec. 5-132.

    minimum space area: >= 3200 square feet

    “Provide a minimum area of three thousand two hundred (3,200) square feet, said area to be determined by the boundary lines of the space.”
  • SetbacksSpecified

    HUD-code manufactured homes and structures in a manufactured-home park inside Henrietta city limits.

    • The setbacks apply to each manufactured-home park space.
    • The cited section also requires a 10-foot separation from private streets or space boundaries for homes and accessory structures.

    front setback: 25 feet · rear setback: 15 feet · side setback: 10 feet

    “No HUD-code manufactured home or structure in a HUD-code manufactured home park shall be located within the yard setback area. The minimum setback area for each space is: Front yard—twenty-five (25) feet. Rear yard—fifteen (15) feet. Side yard—ten (10) feet.”
  • Living in an RVProhibited

    Travel trailers and motor homes used or occupied as residences inside Henrietta city limits.

    • No travel trailer or motor home may be connected to a city utility.
    • The code separately prohibits installation of transportable structures such as recreational vehicles for use or occupancy as residential dwellings; that provision is retroactive as stated in Sec. 5-131.
    “No travel trailer, motor home shall be allowed to be connected to any city utility and shall not be occupied as a residence.”
  • Manufactured homesLimited

    HUD-code manufactured homes on individual lots or in manufactured-home parks inside Henrietta city limits.

    • HUD-code manufactured homes may be placed on an individual lot or tract, but not if the lot is already occupied by a residential dwelling or structure.
    • Applicable manufactured-home-park requirements apply as practicable.
    • A plot plan or site plan must be submitted for pre-approval before installation is completed.
    • Mobile homes and transportable structures used as residential dwellings are prohibited under Sec. 5-131, subject to its stated prospective and retroactive exceptions.
    “The provisions of this article shall not prohibit any person from placing and installing a HUD-code manufactured home on an individual lot or tract of land. However, no person shall place or install a HUD-code manufactured home on an individual tract or lot of land if the tract or lot is already occupied by a residential dwelling or structure.”
  • Septic permitRequired

    Installation and use of a septic tank inside Henrietta city limits when a septic tank is required by Sec. 20-116.

    • A permit must be obtained before installation and use.
    • The cited section cross-references Sec. 20-116 for when a septic tank is required.
    “A permit shall be required prior to installation and use of a septic tank required by section 20-116 .”
  • Off-grid sanitationLimited

    Private sanitation and privy use inside Henrietta city limits.

    • Privy vaults are prohibited on lots or parcels extending within 100 feet of a city sanitary sewer.
    • Where a septic tank is required, a permit is required before installation and use.
    • The cited sources do not establish whether off-grid sanitation is allowed beyond the 100-foot sewer restriction.

    sewer-distance restriction: <= 100 feet (property line extends within this distance of a city sanitary sewer)

    “It shall be the duty of any such property owners or agents of the same or occupants of such property to keep and maintain water closets and connections thereof in perfect condition, and free from any obstruction, and it shall be unlawful for any person to build or use any privy vault above or below the ground in the city or any lot or parcel of land, the property line of which, at any point, extends to within a distance of one hundred (100) feet of a city sanitary sewer.”
  • Mandatory utility hookupSewer (with conditions)

    Buildings inside Henrietta city limits where a sanitary sewer exists and the property line is within 100 feet of the sewer.

    • Connection is required where sanitary sewer exists or later becomes available and the property line approaches or extends to within 100 feet.
    • Water closets and connections are to be constructed under supervision of the city engineer.
    • Privy vaults are prohibited within 100 feet of a city sanitary sewer.
    • The cited provision does not establish a public-water connection requirement.

    maximum distance from sanitary sewer: <= 100 feet (property line approaches or extends to within this distance)

    “All owners or occupants of buildings, or agents for the owners, situated in any section of the city where sanitary sewer now exists, or where it may hereafter exist, and where the property line of the land on which any such building is situated approaches or extends to within one hundred (100) feet of any such sewer, are hereby required to construct or cause to be constructed suitable water closets on their property, and connect the same with the city sewer, under the supervision of the city engineer.”

Still unanswered

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

  • Building permit — Residential building construction inside Henrietta city limits.
  • Owner-builder exemption — Owner-builders performing residential construction inside Henrietta city limits.
  • Inspections — Building construction inside Henrietta city limits.
  • Certificate of occupancy — Buildings and structures inside Henrietta city limits.
  • Local zoning — Land inside Henrietta city limits.
15 more unanswered
  • Zoning districts
  • Minimum dwelling size
  • Lot coverage
  • Tiny homes
  • Accessory dwellings
  • Who permits septic
  • Septic inspection
  • Well permit
  • Agricultural exemption
  • Subdividing land
  • 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 Henrietta publishes no rule on the point, not that none exists. Clay County’s page lists the county offices to call.

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