Sdi Insulation INC

License #607274 · activelicensed since 1990B, C-2, D34, D65based in Burlingamebond $25kworkers’ comp: carrierYelp4.0(141 reviews)

Named as contractor on 1 ADU project in San Francisco (and 2 permits of any kind). Verify at CSLB before hiring.

ADU projects
1
1 legalization
Declared cost (middle half)
$92k
median $92k
Build time
—
median, issued → completed
Open · finished
1 · 0

Their ADU projects

  1. 554 Athens StExcelsior
    Converted · legalizationPermit issued, in progress5 permitsdeclared $92k
    filed Jul 2025permit 5 months11 months since issue
    ADU permit 202506047898 · 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.