Permit Required? Required
Typical Fee Range $150–$350 A 'Simple No-Plan Mechanical Permit' is used for residential HVAC replacements.
Fee Method Flat rate
Apply Online Apply at City of San Diego Development Services Department →

What's Required in San Diego

  • Permit required for installation or replacement of air conditioning units, furnaces, or heat pumps
  • Requires a Simple No-Plan Mechanical Permit for single-family homes and duplexes
  • A gas permit is required for any gas line repairs or meter resets
  • Mechanical plans not required for standard replacements, but energy calcs may be requested
  • The contractor or property owner must apply via the online portal
  • Final mechanical inspection is required to verify line sets and safe operation

How to Get a HVAC Permit in San Diego

1

Step 1: OpenDSD Login

Register or log into the OpenDSD online permitting portal.

2

Step 2: Select 'No-Plan'

Choose the 'Simple No-Plan Mechanical Permit' category for HVAC work.

3

Step 3: Application Detail

Enter the specific unit details (BTU rating, model) and project address.

4

Step 4: Fee Payment

Pay the fixed processing and inspection fees online ($150+).

5

Step 5: Schedule Inspection

Once the unit is installed, schedule the final mechanical inspection via the portal.

Frequently Asked Questions

Yes, a Simple No-Plan Mechanical permit is required for any HVAC replacement.
Total fees start around $150 to $250 for a standard residential replacement.
Yes, if you are the property owner, you can pull a homeowner permit for HVAC work.