800 Sq Ft ADU Cost: What to Budget in 2025

The 800 sq ft ADU cost in 2025 typically runs between $160,000 and $420,000 to design, permit, and fully construct an accessory dwelling unit of this size. However, the exact number you pay depends heavily on your location, the type of ADU you build, and the finish level you choose. This guide breaks down every […]

