A A Builders & Company
License #644508 · activelicensed since 1992Bbased in South San Franciscobond $25kworkers’ comp: carriernot on Yelp
Named as contractor on 1 ADU project in San Francisco (and 15 permits of any kind). Verify at CSLB before hiring.
ADU projects
1
1 legalization
Declared cost (middle half)
$192k
median $192k
Build time
1 year 5 months
median, issued → completed
Open · finished
0 · 1
Their ADU projects
- 143 Duboce AveMissionConverted · legalizationCompleted11 permitsdeclared $192kfiled Mar 2023permit 1 year 4 monthsbuilt 1 year 5 months · done Dec 2025ADU permit 202303103498 · city record · flagged ADU by SF DBI
Each row is one project: the ADU permit plus its revisions, sub-permits and trade permits. Dates are the city’s.