Strong Builders Construction INC

License #942158 · activelicensed since 2010B, C10based in Belmontbond $25kworkers’ comp: carrierYelp5.0(5 reviews)

Named as contractor on 1 ADU project in San Francisco (and 59 permits of any kind). Verify at CSLB before hiring.

ADU projects
1
1 legalization
Declared cost (middle half)
$341k
median $341k
Build time
—
median, issued → completed
Open · finished
1 · 0

Their ADU projects

  1. 323 Staples AveWest of Twin Peaks
    Converted · legalizationPermit issued, in progress1 permitdeclared $341k + other work
    filed Oct 2025permit 7 months6 months since issue
    ADU permit 202509306377 · 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.