Abodu
Serving La Jolla, Point Loma, Citywide
Prefab studios–3BR, County & Chula Vista plans
Typical pricing: $300–500/sq ft
San Diego ADU Guide
Plan your San Diego ADU with confidence.
Find vetted prefab ADU builders, understand real-world costs, and explore where ADUs are being built across San Diego County.
Explore ADU builders on the map
See where ADU builders are active across San Diego County. Click a marker to learn more about a builder and view their typical pricing and neighborhoods served.
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Featured ADU builders
A sampling of ADU builders working in San Diego County. Compare specialties, neighborhoods, and price ranges, then click through to view full profiles.
Featured
Better Place Design & Build
Serving Chula Vista, Carlsbad
Full-service design + permitting
Typical pricing: $250–450/sq ft
Cottage
Serving Escondido · Vista · Santee
High-custom prefab
Typical pricing: $300–500/sq ft
Crest Backyard Homes
Serving Carlsbad, Poway, Del Mar
Eco-focus prefab + solar
Typical pricing: $280–450/sq ft
Elements Design & Build
Serving Chula Vista Westlake
Personalized remodels
Typical pricing: $220–400/sq ft
Marilyn's Garden Design
Serving Bird Rock · La Jolla
Artistic small ADUs
Typical pricing: $300–460/sq ft