BuildingPermitCost

Building Permit Fees in Harris County, TX (2026)

Harris County does not issue building-code permits for houses: cities issue those. For unincorporated areas it charges development (floodplain and site) permit fees, shown here from the official county schedule.

Building in a city inside Harris County? Use that city's page: city building permits are separate.

  • Official county schedule
  • Effective Oct 1, 2025
  • Verified Nov 4, 2026
Minimum fee
—
Plan review
None
$75k addition
$35

Permit fee calculator

Harris County schedule, eff. Oct 1, 2025
Project type
Estimated permit fees $35.00
  1. 1. Building permit fee
    flat fee
    $35.00

May also apply (not in the total)

  • Floodplain inspection (residential)
    When: structure located in the 500-year floodplain, 100-year floodplain, floodway or coastal high hazard area
    $73.00
  • Violation abatement double fee
    When: permit application submitted to abate violation(s)
    $70.00

Fees are estimates based on the official schedule linked below. Confirm with the permit office before applying. Separate electrical, plumbing, mechanical, fire, impact, utility and school fees are usually not included unless they are listed. BuildingPermitCost is not a government permit office, and this is not legal advice.

What common projects cost

Kitchen or bath remodel
$25,000 value, remodel 300 sq ft
$35.00
$35.00 building permit
Room addition
$75,000 value, addition 400 sq ft
$35.00
$35.00 building permit
New single-family home
$350,000 value, new single-family 2,400 sq ft
$165.00
$165.00 building permit

How Harris County calculates your permit fee

The county charges a building permit fee using a flat $165.00.

The fee table

Single/multi-family dwellings, manufactured homes, tract homes

A flat $165.00.

Residential additions and accessory structures

A flat $35.00.

Residential remodels

A flat $35.00.

Building Development Permit - New Commercial Structures, Additions, Substantial Improvements

Project valueFee
$1 – $35,000,000$85.00 to $2,880.00, read from the table (10 steps)
Over $35,000,000$4,600.00
Show the full table (11 rows)
$1 – $100,000$85.00
$100,001 – $200,000$115.00
$200,001 – $400,000$150.00
$400,001 – $650,000$175.00
$650,001 – $1,000,000$240.00
$1,000,001 – $2,000,000$1,150.00
$2,000,001 – $5,000,000$1,725.00
$5,000,001 – $10,000,000$2,300.00
$10,000,001 – $20,000,000$2,600.00
$20,000,001 – $35,000,000$2,880.00
Over $35,000,000$4,600.00

Lease tenant spaces, remodels, renovations

Project valueFee
$1 – $35,000,000$85.00 to $2,880.00, read from the table (10 steps)
Over $35,000,000$4,600.00
Show the full table (11 rows)
$1 – $100,000$85.00
$100,001 – $200,000$115.00
$200,001 – $400,000$150.00
$400,001 – $650,000$175.00
$650,001 – $1,000,000$240.00
$1,000,001 – $2,000,000$1,150.00
$2,000,001 – $5,000,000$1,725.00
$5,000,001 – $10,000,000$2,300.00
$10,000,001 – $20,000,000$2,600.00
$20,000,001 – $35,000,000$2,880.00
Over $35,000,000$4,600.00

What counts as project value

Not used. Residential development permits in unincorporated Harris County are flat fees (no valuation). Commercial fire code application fees use construction cost from the county's Cost of Construction Guide (per-sq-ft costs by occupancy, based on the ICC Building Valuation Data); the commercial development permit fee is per square foot.

Worked example: a $350,000 new home

  1. Building permit fee: flat fee = $165.00
  2. Total before trade permits: $165.00.

Fees people miss

May also apply (not in the totals above)

  • Floodplain inspection (residential): when structure located in the 500-year floodplain, 100-year floodplain, floodway or coastal high hazard area; $73.00 on the standard projects.
  • Violation abatement double fee: when permit application submitted to abate violation(s); $70.00 on the standard projects.
FeeAmount
Residential re-inspection (dwellings and accessory structures) $73.00 each
Commercial development inspection (new structures) $98.00 each
Commercial re-inspection $98.00 each
Commercial fire code revision fee $160.00 each
OCE Permits administrative services $80.00 per hour

How to apply

  1. Gather your plans and your project's total value.
  2. Submit to Harris County Office of the County Engineer, Permits Office online through Harris County ePermits.
  3. Pay the permit and plan review fees when invoiced.

Harris County permit fee FAQ

How much is a building permit in Harris County, TX?

A $25,000 remodel: $35.00. A $75,000 addition: $35.00. A $350,000 new single-family: $165.00. These include every fee the schedule applies to that project; trade permits are separate.

Is plan review included in the Harris County permit fee?

Harris County lists no separate plan review fee for these projects.

How does Harris County determine project value?

Not used. Residential development permits in unincorporated Harris County are flat fees (no valuation). Commercial fire code application fees use construction cost from the county's Cost of Construction Guide (per-sq-ft costs by occupancy, based on the ICC Building Valuation Data); the commercial development permit fee is per square foot.

When did these Harris County fees take effect?

The schedule is effective Oct 1, 2025 (“Permits Office Fee Schedule, Effective Date: 10/01/2025”). We last checked it against the official source on Nov 4, 2026.