Bolthole Index

Galveston County, Texas

Zoning, building permits and septic rules in Clear Lake Shores, Texas

Clear Lake Shores, Texas is a Galveston County city that runs its own building permits and its own zoning, so a home or addition needs a city permit before work starts12. City floodplain rules apply to all construction3. We could not confirm who issues septic permits inside the city, so ask City Hall and the Galveston County Health District.

At a glance

Building permit
Required from the City of Clear Lake Shores before work starts1
Zoning
City zoning applies, with R-1 residential, apartment, commercial and waterfront districts24
Building code
City adopted the 2018 International Building Code and related 2018 codes5
Permit fees
$2.00 per sq ft for new single-family homes; $75 for other minor residential work6
Floodplain
Chapter 38 of the City Code applies to all construction3
Short-term rentals
City permit required, $75 per year7
Septic
Not confirmed inside city limits; Galveston County Health District is the county's authorized agent8

Who to call

Building permits

City of Clear Lake Shores Building Department (City Hall)

Building permit applications, contractor registration and inspection scheduling inside Clear Lake Shores city limits

281-334-2799

1006 S Shore Drive, Clear Lake Shores, TX 77565

Septic permits

Galveston County Health District

Septic (on-site sewage facility) permits and inspections in Galveston County; confirm that they cover your address inside the city

409-938-7221

9850 Emmett F. Lowry Expressway, Texas City, TX 77591

Contact details are copied from each office’s official page and were checked against it on October 24, 2026.

Off-grid gear

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

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Does Clear Lake Shores, TX have zoning?

Yes. The City of Clear Lake Shores publishes a zoning map built from Chapter 82 of its municipal code, and that zoning applies to land inside city limits2. The map shows R-1 residential, A-1 apartment, C-1 through C-3 commercial, NC neighborhood commercial and P-1 waterfront easement districts4. The published map is labeled as updated in 2016, so ask City Hall whether the districts have changed since.

We could not confirm the city's rules on RV occupancy, tiny homes, manufactured homes, accessory dwellings, minimum lot size, setbacks, lot coverage or building height. Before you buy, ask City Hall for the zoning district of the exact parcel and the standards that go with it. Do not assume that rules for unincorporated Galveston County apply here; they do not.

Do you need a building permit in Clear Lake Shores, and who issues it?

Yes. The City of Clear Lake Shores requires a building permit for construction covered by its application, and no work may start before the permit is issued1. Starting early exposes you to additional fees1. Every application is reviewed and approved by the city's Building Official, and the form says review could take a minimum of 1 to 3 business days1. Electrical, plumbing and heating or air-conditioning work need separate permits1.

Contractors must register with the city and submit a master license, driver's license and insurance with the permit application9. Call City Hall at 281-334-2799 to reach the Building Department9. The city adopted the 2018 International Building Code (non-residential) along with 2018 residential, plumbing, mechanical, fuel-gas, energy and fire codes5. We could not confirm whether the city allows an owner to pull permits and build without a licensed contractor; ask City Hall.

What do building permits cost in Clear Lake Shores?

New single-family construction is charged $2.00 per square foot, and other minor residential construction is $756. Remodel, demolition and accessory-structure work are priced by the square foot under the city's fee schedule, and plan review adds 50 percent of the permit fee6. Inspections are scheduled through City Hall, and all work must meet federal, state and local codes10.

How do septic permits work in Clear Lake Shores?

We could not confirm which agency permits septic systems inside Clear Lake Shores city limits, or what the city requires. For Galveston County, the Galveston County Health District acts as an authorized agent for the Texas Commission on Environmental Quality and oversees septic permitting, installation and operation8. A permit and an approved plan are required to build, alter, repair, extend or operate a septic system in Texas, unless an exemption applies11.

Confirm with both City Hall and the Galveston County Health District at 409-938-7221 that the district handles your address before you rely on a septic plan12. Soils matter too: USDA rates only about 0.4% of Galveston County soils as not limited for a conventional drain field, so expect a site evaluation and possibly an engineered system13.

Does floodplain management affect building in Clear Lake Shores?

Yes. Chapter 38 of the City Code and the applicable International Building Code sections cover floodplain management and apply to all construction in Clear Lake Shores3. The Base Flood Elevation comes from the FEMA flood map, and new construction below that elevation is not allowed unless it meets all applicable codes3. Space below the Base Flood Elevation must be flood resistant and used only for parking, building access and light storage3. Check the flood zone and elevation for any lot before you make an offer.

Can you rent a home short-term in Clear Lake Shores?

Only with a city permit. Clear Lake Shores makes it unlawful to rent or offer to rent a dwelling for fewer than 30 consecutive days without a valid short-term rental permit7. The permit costs $75 per year, occupancy is capped at two adults per sleeping room plus four unless the Building Official allows more, and the property is inspected every 12 months7. The ordinance does not override city zoning or deed restrictions7.

Building a home in Clear Lake Shores: the steps, in order

  1. Ask City Hall for the parcel's zoning district and the standards that apply to it2.
  2. Check the FEMA flood zone and Base Flood Elevation for the lot3.
  3. Confirm with City Hall and the Galveston County Health District how wastewater is handled at the address12.
  4. Register your contractor with the city and file the building permit application with City Hall9.
  5. Wait for the permit before starting work, and get separate permits for electrical, plumbing and heating or air-conditioning1.
  6. Call City Hall at 281-334-2799 to schedule inspections10.

What stays with Galveston County, and what to check before you buy

The county's own rules for unincorporated land do not apply inside city limits. For land outside the city, see the Galveston County page. County-level facts that still matter here are the Galveston County Health District's septic role8 and, for driveways on a state highway, a TxDOT driveway permit using Form 105814. We could not confirm a city driveway permit rule, a water or sewer connection requirement, or a rule on private wells inside the city; ask City Hall.

County-level figures: Galveston County's effective property tax rate is 1.5%15, and the median property tax bill is $4238 per year16. The typical home insurance premium is about $1529 per year, which is worth pricing for a coastal, flood-prone address17.

Watch-outs

  • The city's zoning map is labeled as updated in 2016, so confirm the current district for any parcel with City Hall at 281-334-279929.
  • We could not confirm who permits septic systems inside the city; ask the Galveston County Health District at 409-938-7221 and City Hall before you buy12.
  • Work started before a building permit is issued exposes you to additional fees1.
  • Rules for RVs, tiny homes, accessory dwellings and setbacks inside the city were not confirmed; ask City Hall for the zoning text for the parcel9.

Sources

  1. City of Clear Lake Shores Building Permit Application (Clear Lake Shores), quoted and re-checked
  2. Clear Lake Shores Zoning Map (Clear Lake Shores), quoted and re-checked
  3. Flood Plain Management | Clear Lake Shores, TX (Clear Lake Shores), quoted and re-checked
  4. Clear Lake Shores Zoning Map (Clear Lake Shores), quoted and re-checked
  5. Ordinance No. 2020-12 (Clear Lake Shores), quoted and re-checked
  6. City of Clear Lake Shores Building Permit Application (Clear Lake Shores), quoted and re-checked
  7. Ordinance No. 2020-21 (Clear Lake Shores), quoted and re-checked
  8. Environmental Health Services Fees, quoted and re-checked
  9. City of Clear Lake Shores Building Department (City Hall) (clearlakeshores-tx.gov)
  10. City of Clear Lake Shores Building Permit Application (Clear Lake Shores), quoted and re-checked
  11. Getting a Permit for an OSSF - Such as a Septic System (Texas statewide rule), quoted and re-checked
  12. Galveston County Health District (gchd.org)
  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
  15. Effective property tax rate: Bolthole Index county data
  16. Median property tax bill: Bolthole Index county data
  17. Typical home insurance premium: Bolthole Index county data

Written October 24, 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 Clear Lake Shores

Clear Lake Shores’s own rules

  • Building permitRequired

    Construction covered by the City of Clear Lake Shores building-permit application inside city limits.

    • The application states that no work may start before permit issuance.
    • All permit applications must be reviewed and approved by the Building Official.
    • Separate permits are required for electrical, plumbing, heating, ventilation, or air conditioning.
    • The permit becomes null and void if authorized work is not commenced within six months, or is suspended or abandoned for six months.

    application review duration: 1 to 3 business days (The form states the process could take this minimum duration.)

    “No work shall start prior to permit being issued or you will be subjected to additional fees.”
  • Building code adoptedAdopted (with conditions)

    Buildings inside Clear Lake Shores city limits.

    • Ordinance No. 2020-12 also states that the city adopted the 2018 residential building, plumbing, fuel-gas, mechanical, property-maintenance, energy-conservation, existing-building, NFPA life-safety, and fire codes, plus the 2017 National Electrical Code.

    International Building Code edition: 2018 (Non-residential code.)

    “Sec.14-40. International Building Code adopted. The International Building Code (Non-Residential), 2018 Edition, as published by the International Code Council, is hereby adopted.”
  • InspectionsRequired

    Work authorized under the Clear Lake Shores building-permit application inside city limits.

    • The work must meet federal, state, and local codes and ordinances.
    • The form directs applicants to call City Hall for an inspection.
    “All work must be inspected and meet all Federal, State, and Local Codes and Ordinances. Call City Hall for an inspection at (281) 334-2799.”
  • Local zoningPresent (with conditions)

    Land inside Clear Lake Shores city limits.

    • The published map is labeled Updated 2016.
    “Zoning Boundaries Created from City of Clear Lake Shores Municipal Code, Chapter 82, Article II, Zoning District Designations and Boundaries”
  • Zoning districtsPublished (with conditions)

    Zoning districts inside Clear Lake Shores city limits.

    • The city-published map is labeled Updated 2016.
    • The map identifies R-1 residential, A-1 apartment, C-1 through C-3 commercial, NC neighborhood commercial, and P-1 waterfront easement districts.
    “A-1 (Apartment Dist.) C-1 (Commercial Dist.) C-2 (Commercial Dist.) C-3 (Commercial Dist.) NC (Neighborhood Commercial Dist.) P-1 (Waterfront Easement Dist.) R-1 (Residential Dist.)”
  • Building in a floodplainRequired

    Construction, including in flood-hazard areas, inside Clear Lake Shores city limits.

    • Base Flood Elevation should be determined by the FEMA Flood Map.
    • New construction below Base Flood Elevation is not allowed unless it meets all applicable codes.
    • Construction below Base Flood Elevation must be flood resistant and used only for parking, access to the building, and light storage.
    “Chapter 38 of the City Code and applicable sections and appendixes of the International Building Code deal with floodplain management and apply to all construction done in Clear Lake Shores.”
  • Short-term rentalsLimited

    Privately owned dwellings rented for consideration for fewer than 30 consecutive days inside Clear Lake Shores city limits.

    • A valid City-issued short-term-rental permit is required before renting or offering to rent.
    • The ordinance defines a short-term rental as use for a period less than 30 consecutive days.
    • The ordinance does not override city zoning, private conditions, covenants, restrictions, easements, or deed restrictions.
    • The ordinance states a $75 annual permit fee and a maximum occupancy of two adults per sleeping room plus four, unless otherwise allowed by the Building Official.
    • Properties are subject to inspection every 12 months under the current Short Term Rental Inspection Checklist.

    annual short-term-rental permit fee: 75 USD per calendar year · maximum adult occupancy: 2 adults per sleeping room plus 4 (Unless otherwise allowed by the Building Official; children age 12 or younger are not counted.)

    “It shall be unlawful for any person or enity to rent, or offer to rent, any Short Term Rental without a valid Short Term Rental Permit issued pursuant to this Article.”
  • Permit feesPublished (with conditions)

    Building-permit work inside Clear Lake Shores city limits.

    • A plan-review fee of 50 percent of the permit fee is stated on the application.
    • The fee schedule differentiates work types and square-footage or valuation thresholds.

    new single-family residential construction fee: per 2 USD per square foot · all other minor residential construction fee: 75 USD · plan review fee: 50 percent of permit fee

    “Residential Const (New Single Family) $2.00/sq ft Remodel/Demo/Accessory Structure: $1.00/sq ft All Other Minor Residential Construction $75.00 Re-Roof $0.125/sq ft”
  • Permit processPublished (with conditions)

    Building permits issued by Clear Lake Shores for work inside city limits.

    • The city permitting page requires contractor registration, a master license, driver's license, and insurance with the permit application.
    • All permit applications must be reviewed and approved by the Building Official.
    • The application states that the process could take a minimum of one to three business days.

    stated minimum review time: 1 to 3 business days

    “To obtain a building permit you must register with the City of Clear Lake Shores by submitting the contractor registration form provided below along with a copy of your master license, drivers license, and insurance with the permit you want to apply for.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Clear Lake Shores or Galveston County directly.

  • Owner-builder exemption — Owner-built residential construction inside Clear Lake Shores city limits.
  • Certificate of occupancy — Occupancy of buildings inside Clear Lake Shores city limits.
  • Minimum dwelling size — Dwellings in the R-1 residential district inside Clear Lake Shores city limits.
  • Minimum lot size — Lots in the R-1 residential district inside Clear Lake Shores city limits.
  • Setbacks — Structures in the R-1 residential district inside Clear Lake Shores city limits.
16 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
  • Subdividing land
  • Driveway access

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 Clear Lake Shores publishes no rule on the point, not that none exists. Galveston County’s page lists the county offices to call.

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