Alex Builder INC
License #928753 · activelicensed since 2009Bbased in Millbraebond $25kworkers’ comp: carriernot on Yelp
Named as contractor on 2 ADU projects in San Francisco (and 20 permits of any kind). Verify at CSLB before hiring.
ADU projects
2
1 legalization · 1 attached addition
Declared cost (middle half)
$219k–$609k
median $414k
Build time
3 years 6 months
median, issued → completed
Open · finished
0 · 2
Their ADU projects
- 1728 Quint StBayview Hunters PointConverted · legalizationCompleted4 permitsdeclared $24kfiled Apr 2021permit 1 year 3 monthsbuilt 3 years · done Jul 2025ADU permit 202104208947 · city record · identified from permit text, two reviewers agree
- 561 Duncan StNoe ValleyAttachedCompleted9 permitsdeclared $803k + other workfiled Feb 2020permit 1 year 8 monthsbuilt 4 years · done Nov 2025ADU permit 202002285791 · city record · identified from permit text, two reviewers agree
Each row is one project: the ADU permit plus its revisions, sub-permits and trade permits. Dates are the city’s.