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

  1. 1728 Quint StBayview Hunters Point
    Converted · legalizationCompleted4 permitsdeclared $24k
    filed Apr 2021permit 1 year 3 monthsbuilt 3 years · done Jul 2025
    ADU permit 202104208947 · city record · identified from permit text, two reviewers agree
  2. 561 Duncan StNoe Valley
    AttachedCompleted9 permitsdeclared $803k + other work
    filed Feb 2020permit 1 year 8 monthsbuilt 4 years · done Nov 2025
    ADU 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.