Permit Required
Do you need a permit to replace a furnace in Houston, TX?
Replacing or changing out a furnace requires a mechanical (special system) permit.
✓ Verified from official source
Source: Houston Permitting Center — Residential Permitting 101 — Verified 2026-06-26
Permit rules vary by property and change over time. This is an informational guide, not legal advice — always confirm with Houston Permitting Center — Houston Public Works, Building Code Enforcement before starting work.
How to get the permit in Houston
Building department
Apply online
Phone
832-394-9000
Code in force
2021 International Residential Code with Houston Amendments (effective January 1, 2024)
Need a permit pulled? Find a licensed HVAC contractor in Houston
Licensed HVAC contractors near you can handle the permit and the work — compare pros on our directory.
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