Chula Vista, San Diego County

ADU / Guest House Cost in Chula Vista, CA

Chula Vista remodeling costs are nearthe California state average. Here's what a typical adu / guest house costs in Chula Vista in 2026, based on a 500 sqf project.

Budget
$118,750
$238/sqf
Mid-Range
$190,000
$380/sqf
High-End
$285,000
$570/sqf

Cost breakdown

Foundation & Framing
25%$47,500
Mechanical (HVAC, Plumbing, Electrical)
20%$38,000
Interior Finishes
20%$38,000
Exterior & Roofing
15%$28,500
Kitchen & Bath Fixtures
10%$19,000
Permits, Plans & Engineering
10%$19,000

Breakdown based on mid-range estimate of $190,000

Typical Timeline
4-8 months
Permits Required

Building, electrical, plumbing, mechanical. May require plan check.

Remodeling in Chula Vista

South Bay San Diego with slightly lower costs than the city proper. Many newer developments (2000s+) need less structural work, keeping average project costs down.

California allows ADUs on most residential lots since 2020. An ADU adds living space and rental income. Cities must approve or deny within 60 days of a complete application.

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Other projects in Chula Vista

Kitchen Remodel
$28,500 – $85,500
Bathroom Remodel
$14,250 – $45,600
Room Addition
$57,000 – $156,750
Roof Replacement
$11,875 – $35,625
Exterior Paint
$4,750 – $16,625
Whole House Remodel
$256,500 – $855,000

ADU / Guest House cost in other California cities

Pleasanton
$143,750 – $345,000 | Alameda County
Stockton
$106,250 – $255,000 | San Joaquin County
Manhattan Beach
$156,250 – $375,000 | Los Angeles County
Burbank
$125,000 – $300,000 | Los Angeles County
Arcadia
$137,500 – $330,000 | Los Angeles County
Sausalito
$162,500 – $390,000 | Marin County
Foster City
$156,250 – $375,000 | San Mateo County
Palo Alto
$168,750 – $405,000 | Santa Clara County

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