MiCasa

Cornerstone Construction

License #1044251 · activelicensed since 2018Bbased in Richmondbond $25kworkers’ comp: carrier

Named as contractor on 1 ADU project in San Francisco (and 5 permits of any kind). Verify at CSLB before hiring.

ADU projects
1
1 ground-floor conversion
Declared cost (middle half)
$165k
median $165k
Build time
—
median, issued → completed
Open · finished
1 · 0

Their ADU projects

  1. 283 Parker AveLone Mountain/USF
    Converted · ground-floor conversionPermit issued, in progress6 permitsdeclared $165k
    filed Oct 2025permit 4 months9 months since issue
    ADU permit 202509306432 · 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.