Plumbing Work Permit Requirements in Humble, TX
CORRECTION: AHJ changed from Harris County to the City of Humble. Inside Humble city limits the City of Humble Building & Inspection Department (114 W. Higgins St, Chief Building Official Ray Pearson, 281-446-6228) is the correct AHJ; Harris County's Office of the County Engineer Permits Division regulates only unincorporated areas. Texas has no statewide residential code; Humble adopted the 2018 IRC (Code of Ordinances Ch. 4, Art. 4.02) plus 2018 IBC/IPC/IMC/IFC, 2017 NEC, and 2018 Energy Code. Permits filed via the iWorq portal, though most plan-review permits must be submitted in person. Residential fees from the official Oct 1, 2024 fee schedule: Building Permit $50.00 + $0.32/sq ft of roof-covered floor space; Fence $50.00 + $1.00/25 LF; Electrical $50-$150; Plumbing $50-$100.
By Joey, Founder · Last verified May 31, 2026 · How we research →
When you need a Plumbing permit
Inside the City of Humble, work that alters the drain-waste-vent system, adds a fixture, or runs new supply or gas lines requires a residential plumbing permit from the City of Humble Building & Inspection Department under the 2018 IRC/IPC. Simple like-for-like fixture swaps in existing locations are exempt. Per the Oct 1, 2024 fee schedule the Remodel/Addition plumbing permit is $100.00 and the All Other/Minimum is $50.00.
Plumbing Work Permit Costs: Humble vs. Nearby
Humble comes in on the low side for Texas. You're looking at $50 – $100 here, compared to the state average of $72 – $268.
| City | Estimated Fee |
|---|---|
| Humble | $50 – $100 |
| Houston | $50 – $500 |
| San Antonio | $40 – $425 |
| Dallas | $50 – $500 |
Fees shown are estimates based on local building code data. Actual fees may vary based on project scope and valuation. See all Humble permit costs →
Zoning & HOA Considerations
If you live in an HOA community: plumbing work is generally interior and does not require HOA approval. However, exterior plumbing changes (new cleanouts, sewer line work, visible piping) may need review in some communities.
Estimated Project Timeline
Here's a typical timeline for a plumbing work project:
Timeline is based on the typical about 1 week permit processing time. Actual timelines vary by project complexity, completeness of application, and current department workload.
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Frequently Asked Questions
Estimated permit fees for Plumbing Work projects range from $50 – $100. Fees vary based on project scope and valuation.
It depends on the specifics of your project. Some smaller Plumbing Work projects may be exempt from permit requirements, while larger ones typically require a permit. Use our free lookup tool to check your specific situation.
Working without a required permit can result in fines, stop-work orders, being required to remove completed work, and complications when selling your home. It's always best to check first.
Typical approval time for Plumbing Work permits is about 1 week. More complex projects may take longer if plan review is required.
If you live in an HOA community, you may need architectural review approval in addition to a building permit. HOA rules and city building codes are separate, you may need to satisfy both. Review your CC&Rs and submit to your HOA's architectural review committee before starting work.
Learn More About Plumbing Work Permits
Read our complete guide covering permit requirements, costs, common exemptions, and the application process.
Read Plumbing Work Guide →