Quantum Energy Services & Technologies INC
License #836023 · activelicensed since 2004B, C10based in Oaklandbond $25kworkers’ comp: carriernot on Yelp
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 backyard unit
Declared cost (middle half)
$85k
median $85k
Build time
5 months
median, issued → completed
Open · finished
0 · 1
Their ADU projects
- 309 Bocana StBernal HeightsConvertedCompleted3 permitsdeclared $85kfiled Jun 2025permit 4 monthsbuilt 5 months · done Feb 2026ADU permit 202505015577 · 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.