Do you need a permit for a deck in San Diego, CA?
It depends on size and placement.
Detached decks up to 200 sq ft and 30 in high are exempt if the exit door doesn't open onto them.
Patio covers are exempt up to 300 sq ft and 12 ft tall outside setbacks, except in the Coastal Overlay Zone or a Planned Development.
Rules last checked by a person on October 19, 2026. Guidance only; confirm with San Diego before you build.
Check your exact lot
Setbacks depend on your zoning district, and a flood zone can change the permit answer. Enter your address to see both.
Permits a deck can need in San Diego
| Permit | When it applies |
|---|---|
| Building permit | San Diego exempts only detached decks up to 200 sq ft and 30 in above grade that don't serve the exit door. |
| Floodplain development permit | If the lot is in a FEMA special flood hazard area, all development there needs a permit. |
Local details
- Call 811 at least a few days before you dig footings or post holes. Utility locating is free.
- HOA covenants and deed restrictions can be stricter than city rules. Check yours before you build.
How to apply
- San Diego Development Services
- Phone: (619) 446-5000
Questions people ask
- When does a deck need a building permit in San Diego?
- San Diego exempts only detached decks up to 200 sq ft and 30 in above grade that don't serve the exit door. Detached decks up to 200 sq ft, no higher than 30 in and not serving the exit door are exempt.
- Where do I apply for a deck permit in San Diego?
- Apply through San Diego Development Services, or call (619) 446-5000.
Sources
- San Diego Municipal Code Ch. 12, Art. 9, Div. 2 (Sec. 129.0203, exempt structures). Checked 2026-10-20.
Decks... that do not exceed 200 square feet... not more than 30 inches... above grade at any point, that are not attached to a dwelling, and that do not serve the exit door.
- City of San Diego DSD, When Is a Permit Required? (Feb 2025). Checked 2026-10-19.
Storage sheds or playhouses over 120 sq. ft. in projected roof area require a permit... Fences up to seven feet tall do not require a permit. However, fences over six feet are prohibited in the front yard setback, and fences over three feet are prohibited i…
- 44 CFR 59.1, definition of development (NFIP). Checked 2026-10-19.
Development means any man-made change to improved or unimproved real estate, including but not limited to buildings or other structures...
- 44 CFR 60.3, floodplain management criteria. Checked 2026-10-19.
Require permits for all proposed construction or other development in the community...