Spectrum Development Company
License #707300 · activelicensed since 1995Bbased in San Franciscobond $25kworkers’ comp: exemptnot 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
2 ground-floor conversion
Declared cost (middle half)
$173k–$278k
median $225k
Build time
—
median, issued → completed
Open · finished
2 · 0
Their ADU projects
- 3323A 26th StMissionConverted · ground-floor conversionPermit issued, in progress1 permitdeclared $330k for 2 ADUsfiled Sep 2020permit 3 years 3 months2 years 11 months since issueADU permit 202009083692 · city record · flagged ADU by SF DBI
- 1921 Lake StOuter RichmondConverted · ground-floor conversionPermit issued, in progress7 permitsdeclared $120kfiled Feb 2020permit 4 years 7 months2 years 1 month since issueADU permit 202002245231 · 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.