Preapproved ADU Plans
Preapproved ADU plans designed for quick permitting and efficient construction in San Mateo County and San Jose.
Showing 8 of 8 plans
San Mateo County
The Studio
Compact and efficient studio ADU perfect for a home office or guest suite
400 sq ft
0 Beds
1 Bath
3-4 months
Starting at $120,000 - $150,000
San Jose
Most Popular
The One Bedroom
Spacious 1 bedroom ADU with open concept living and full kitchen
650 sq ft
1 Bed
1 Bath
4-5 months
Starting at $180,000 - $220,000
San Mateo County
The Two Bedroom
Family-friendly 2 bedroom ADU with versatile living space
850 sq ft
2 Beds
1 Bath
5-6 months
Starting at $240,000 - $280,000
San Jose
The Deluxe
Premium 2 bedroom, 2 bath ADU with high-end finishes and spacious layout
1000 sq ft
2 Beds
2 Baths
5-7 months
Starting at $280,000 - $350,000
San Mateo County
The Compact One Bedroom
Efficient 1 bedroom design that maximizes a small footprint
500 sq ft
1 Bed
1 Bath
3-5 months
Starting at $150,000 - $190,000
San Jose
The Family Unit
Spacious 3 bedroom ADU perfect for multi-generational living
1200 sq ft
3 Beds
2 Baths
6-8 months
Starting at $320,000 - $380,000
San Mateo County
The Garden Studio
Charming studio with large windows and connection to outdoor space
350 sq ft
0 Beds
1 Bath
3-4 months
Starting at $110,000 - $140,000
San Jose
The Accessible One Bedroom
Single-level, accessible 1 bedroom design with universal design principles
700 sq ft
1 Bed
1 Bath
4-6 months
Starting at $190,000 - $230,000
Frequently Asked Questions
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