How much does a addition permit cost in Houston, TX? Here's the 2026 fee breakdown — base fee, valuation multipliers, and a calculator so you can estimate your total before you apply.
Houston calculates addition permitfees using a base charge plus a valuation-based component tied to your project's square footage.
Base fee $720 + $0.05/sqft valuation estimate
* Estimate only. Actual fees depend on project valuation, zoning, and inspector review. Confirm with the city permit office before submitting.
Higher project value = higher fee. The city uses your total project cost to set the valuation multiplier.
Larger footprint projects incur higher per-sqft surcharges on top of the base fee.
Some zoning categories carry additional review requirements that increase processing fees.
Houston may offer expedited review for an additional fee — typically 50–100% of the base fee.
If your application is rejected and resubmitted, a resubmission fee (usually 25–50% of base) applies.
Some permit types require a licensed contractor. The license verification fee may be added to your total.
Missing documents can trigger resubmission fees — have these ready before you submit.
The base fee for a addition permit in Houston, TX is $720. Your total will depend on project size and valuation — use the calculator above for a rough estimate.
The main cost drivers are project valuation, square footage, zoning district, and whether a rush review is needed. Resubmission or plan review fees can add 15–50% on top of the base fee if your application has issues.
Houston may offer fee waivers for affordable housing projects, nonprofit organizations, or government-sponsored work. Contact the Houston building department directly to ask about active waiver programs.
Once you've paid and submitted your addition permit, ClearedNo watches the Houston portal and sends an instant alert the moment your status changes — so you can schedule your crew without checking daily.
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