Get an instant estimate for your San Diego ADU project. Detached, attached, or garage conversion.
Quick planning numbers for San Diego ADU projects - from garage conversions to fully detached units.
Based on recent projects in San Diego County with permits and a small contingency included.
California law allows ADUs up to 1,200 sq ft on most residential lots. Permits typically take 60-90 days in San Diego.
ADU costs vary significantly by type, finishes, and neighborhood. Here are typical ranges:
ADUs are a smart investment for San Diego homeowners:
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ADU construction in San Diego costs $150,000-$400,000 depending on size and type. Garage conversions start around $80,000, while new detached ADUs average $200,000-$350,000.
ADU construction typically takes 4-8 months including permits. Garage conversions take 3-4 months, new construction takes 6-10 months.
Yes, all ADUs require permits. San Diego has streamlined ADU permitting, but you still need building, electrical, and plumbing permits. Cali Dream Construction handles all permitting.
Yes. California law allows ADUs to be rented. San Diego ADUs can generate $1,500-$2,500/month in rental income depending on size and location.
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