Gbu Construction Development

License #1052737 · activelicensed since 2019Bbased in Redwood Citybond $25kworkers’ comp: exempt

Named as contractor on 4 ADU projects in San Francisco (and 68 permits of any kind). Verify at CSLB before hiring.

ADU projects
4
2 legalization · 1 ground-floor conversion · 1 attached addition
Declared cost (middle half)
$264k–$323k
median $308k
Build time
1 year 2 months
median, issued → completed
Open · finished
3 · 1

Their ADU projects

  1. 635 Baker StLone Mountain/USF
    Converted · legalizationCompleted9 permitsdeclared $346k
    filed Apr 2022permit 2 years 11 monthsbuilt 1 year 2 months · done Jun 2026
    ADU permit 202204111986 · city record · identified from permit text, two reviewers agree
  2. 1558 Shafter AveBayview Hunters Point
    Converted · ground-floor conversionPermit issued, in progress3 permitsdeclared $300k
    filed Feb 2021permit 1 year 9 months4 years since issue
    ADU permit 202102044057 · city record · flagged ADU by SF DBI
  3. 2450A 20th AveSunset/Parkside
    Converted · legalizationPermit issued, in progress3 permitsdeclared $316k
    filed Mar 2018permit 5 years 5 months3 years 3 months since issue
    ADU permit 201803153794 · city record · identified from permit text, two reviewers agree
  4. AttachedPermit issued, in progress10 permitsdeclared $157k
    filed Jan 2018permit 3 years 8 months5 years 2 months since issue
    ADU permit 201801269697 · city record · identified from permit text, two reviewers agree

Each row is one project: the ADU permit plus its revisions, sub-permits and trade permits. Dates are the city’s.