Greatwall Building Contractor INC

License #915513 · activelicensed since 2008Bbased in San Carlosbond $25kworkers’ comp: carrierYelp4.1(9 reviews)

Named as contractor on 1 ADU project in San Francisco (and 12 permits of any kind). Verify at CSLB before hiring.

ADU projects
1
1 ground-floor conversion
Declared cost (middle half)
$226k
median $226k
Build time
3 years
median, issued → completed
Open · finished
0 · 1

Their ADU projects

  1. AttachedCompleted5 permitsdeclared $226k + other work
    filed Aug 2020permit 1 year 7 monthsbuilt 3 years · done Mar 2025
    ADU permit 202008081377 · 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.