Tag: 800 sq ft adu

All the articles with the tag "800 sq ft adu".

• 800 sq ft ADU Cost in California: A Full 2026 Line-Item Breakdown

  Updated:5 Sep, 2026

  We modeled an 800 sq ft detached ADU in Los Angeles County and priced every phase. Total: $320,000. Here is where each dollar goes and why smaller is not cheaper.