Synerforce Construction

License #1004962 · activelicensed since 2015Bbased in Union Citybond $25kworkers’ comp: carrier

Named as contractor on 2 ADU projects in San Francisco (and 9 permits of any kind). Verify at CSLB before hiring.

ADU projects
2
2 ground-floor conversion
Declared cost (middle half)
$234k–$323k
median $279k
Build time
3 years 8 months
median, issued → completed
Open · finished
0 · 2

Their ADU projects

  1. 1700 19th AveInner Sunset
    Converted · ground-floor conversionCompleted7 permitsdeclared $190k
    filed Jun 2021permit 2 yearsbuilt 2 years 10 months · done Mar 2026
    ADU permit 202106041737 · city record · flagged ADU by SF DBI
  2. 3100 Taraval StSunset/Parkside
    Converted · ground-floor conversionCompleted13 permitsdeclared $368k for 3 ADUs + other work
    filed Feb 2020permit 1 year 9 monthsbuilt 4 years 5 months · done Apr 2026
    ADU permit 202002114136 · 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.