Lum E W Construction Company
License #456291 · activelicensed since 1984Bbased in San Franciscobond $25kworkers’ comp: exemptnot on Yelp
Named as contractor on 1 ADU project in San Francisco (and 7 permits of any kind). Verify at CSLB before hiring.
ADU projects
1
1 garage conversion
Declared cost (middle half)
$203k
median $203k
Build time
2 years 2 months
median, issued → completed
Open · finished
0 · 1
Their ADU projects
- 71 Water StNorth BeachConverted · garage conversionCompleted9 permitsdeclared $203k for 4 ADUsfiled Jan 2018permit 6 years 1 monthbuilt 2 years 2 months · done Apr 2026ADU permit 201801108309 · 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.