Pre-Approved Design
Room Schedule
| Room | Area |
|---|---|
| Living/Dining | 200 sq ft |
| Kitchen | 80 sq ft |
| Bedroom | 150 sq ft |
| Bathroom | 60 sq ft |
| Entry/Storage | 40 sq ft |
| Covered Patio | 70 sq ft |
| Total | 600 sq ft |
Building Specifications
lot Size2,500 sq ft min
width24 ft
depth30 ft (incl. patio)
height14 ft
foundationSlab-on-grade
roof Pitch4:12
constructionWood frame
energy RatingENERGY STAR
Code Compliance
IRC 2021 Residential Building Code
ADA accessible design option available
Energy code compliant (IECC 2021)
Meets Appendix Q ADU requirements
Coastal ADU
Coastal Modern | ADU
600
sq ft
1
bedroom
1
bathroom
1
parking
Est. Cost$95,000 - $130,000
Per sq ft$158 - $217
4.8 rating|47 projects
A compact, modern accessory dwelling unit designed for coastal and suburban lots. Features open-concept living, full kitchen, and covered patio. Ideal for rental income, aging-in-place, or guest quarters.