San Diego County

Home permits and project costs in San Diego, CA

Coastal salt exposure, coastal-zone review and Title 24 requirements all add scope compared with inland Southern California.

Verified August 2026

Local cost index

+30%

vs national average

Permit fee index

+40%

vs national baseline

Population

1,388,320

Homeownership

47%

Do you need a permit in San Diego?

For most structural work, yes

San Diego enforces california residential code (title 24, part 2.5) plus the title 24 energy standards through San Diego County. Roofing, electrical, plumbing, structural, pools and most exterior additions require a permit and inspection. Cosmetic work — paint, flooring, cabinet swaps — generally does not.

Project costs in San Diego

National baselines adjusted by the local labor and materials index.

Project	Typical cost	Permit	Deep pages
Roof Replacement	$13,900 – $47,000	required	Cost·Permit
AC Replacement	$7,200 – $21,400	required	Cost·Permit
Fence Installation	$3,300 – $15,100	usually required	Cost·Permit
Water Heater Replacement	$1,700 – $7,600	required	Cost·Permit
Pool Installation	$54,500 – $164,800	required	Cost·Permit
Window Replacement	$10,700 – $48,300	required	Cost·Permit
Electrical Panel Replacement	$2,700 – $9,700	required	Cost·Permit
Generator Installation	$9,200 – $31,200	required	Cost·Permit
Solar Panel Installation	$20,300 – $65,000	required	Cost·Permit
Kitchen Remodel	$23,700 – $121,200	conditional	Cost·Permit
Bathroom Remodel	$11,900 – $55,700	conditional	Cost·Permit
Driveway Replacement	$5,800 – $26,200	usually required	Cost·Permit
Paver Patio & Walkway	$4,700 – $21,500	conditional	Cost·Permit
Deck Construction	$7,700 – $39,400	required	Cost·Permit
Shed Installation	$2,400 – $16,100	conditional	Cost·Permit
Whole-House Repipe	$6,400 – $22,900	required	Cost·Permit
EV Charger Installation	$1,100 – $5,900	required	Cost·Permit
Hurricane Shutter Installation	$4,700 – $26,300	required	Cost·Permit
Pool Enclosure / Screen Cage	$13,100 – $60,900	required	Cost·Permit
Septic System Replacement	$10,800 – $40,400	required	Cost·Permit
Impact Window Installation	$13,000 – $60,600	required	Cost·Permit
Exterior Door Replacement	$1,300 – $9,300	usually required	Cost·Permit
Garage Door Replacement	$2,000 – $10,800	required	Cost·Permit
Siding Installation	$11,300 – $53,500	usually required	Cost·Permit
Stucco Repair	$1,200 – $21,400	conditional	Cost·Permit
Soffit & Fascia Replacement	$2,500 – $15,500	conditional	Cost·Permit
Gutter Installation	$1,200 – $8,500	rarely required	Cost·Permit
Roof Repair	$600 – $6,900	conditional	Cost·Permit
Flat Roof Replacement	$8,800 – $40,900	required	Cost·Permit
Attic Insulation	$1,500 – $9,500	rarely required	Cost·Permit
Ductwork Replacement	$3,400 – $16,500	required	Cost·Permit
Mini Split Installation	$3,300 – $17,200	required	Cost·Permit
Flooring Installation	$3,300 – $26,000	rarely required	Cost·Permit
Tile Installation	$2,400 – $21,200	rarely required	Cost·Permit
Interior Painting	$2,000 – $12,900	rarely required	Cost·Permit
Exterior Painting	$3,800 – $20,200	rarely required	Cost·Permit
Drywall Repair	$500 – $6,100	rarely required	Cost·Permit
Kitchen Cabinet Refacing	$5,900 – $26,400	rarely required	Cost·Permit
Countertop Replacement	$2,800 – $15,300	rarely required	Cost·Permit
Tub to Shower Conversion	$4,900 – $22,200	usually required	Cost·Permit
Sod Installation	$1,200 – $9,000	rarely required	Cost·Permit
Irrigation System Installation	$3,000 – $13,400	conditional	Cost·Permit
Tree Removal	$600 – $7,700	conditional	Cost·Permit
Outdoor Kitchen	$8,300 – $62,100	usually required	Cost·Permit
Seawall Repair	$11,800 – $139,900	required	Cost·Permit
Dock Construction	$13,300 – $125,200	required	Cost·Permit
Well Installation	$7,900 – $36,000	required	Cost·Permit
Mold Remediation	$2,100 – $20,900	conditional	Cost·Permit
Water Softener Installation	$1,700 – $9,000	usually required	Cost·Permit
Home Addition	$65,800 – $409,400	required	Cost·Permit

San Diego permitting basics

Jurisdiction	San Diego, San Diego County
Building department	Official site
Permit portal	Apply online
Owner-builder permits	Owner-builder permits allowed, with strict limits when the home is sold within a year
Contractor verification	Verify any license with California Building Standards Commission before signing

Sources

Sources & verification

Last verified August 2026. Cost figures are modeled estimates based on national baselines adjusted for local labor and material pricing — they are not quotes. Permit rules change; confirm with the building department before starting work.