Permit Required? Required
Typical Fee Range $75–$250 A 'Minor Permit' is available for standard residential replacements; fees include a $75 base plus surcharge.
Fee Method Flat rate
Apply Online Apply at San José Department of Planning, Building and Code Enforcement →

What's Required in San Jose

  • Permit required for replacement or relocation of any HVAC furnace, AC unit, or gas line
  • Proper venting and seismic safety checks are mandatory for replacements
  • Contractors must hold a valid CA license and City of San José Tax Certificate
  • Manual J sizing and Title 24 energy compliance forms may be required
  • Duct sealing and insulation must meet 2025 CA Energy Code standards
  • Final mechanical inspection required to verify safe unit operation

How to Get a HVAC Permit in San Jose

1

Step 1: Minor Permit Application

Visit SJPermits.org and select the 'Minor Residential Mechanical' option.

2

Step 2: Enter Unit Details

Specify the unit type (AC, Furnace, or Heat Pump) and its BTU/Amperage rating.

3

Step 3: Immediate Approval

Standard like-for-like replacement permits are typically issued same-day online.

4

Step 4: Installation

Install the unit per the 2025 CA Mechanical Code.

5

Step 5: Inspection

Schedule a final mechanical inspection through the SJPermits system.

Frequently Asked Questions

Yes, replacing any HVAC equipment requires a mechanical permit.
The base minor permit fee is approx. $75 plus state and city surcharges.
Yes, homeowners can pull permits for like-for-like swaps, but complex refrigerant work may require a licensed technician.