4061 E Castro Valley Blvd, #103, Castro Valley, CA 94552
Bingo Builders is a general contractor with 20 tracked San Francisco building-permit projects on record, with the latest filing in that record 93 days ago. Its filings (Jan 2025 to Jun 2026) are concentrated in Mission and Portola, 100% residential. A typical project in the record declares $7K–$87K. If you work at Bingo Builders, claim this page to add a description.
Filed 93 days ago
#565
by SF filing activity
among SF general contractors, 90 days to Aug 23, 2026
20
projects
from 43 filings
3/16
active weeks
weeks with a filing (16 weeks to Aug 23, 2026)
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Permit-backed projects · PermitPipeline’s independent record
$87K Mission multifamily renovation
Grade DActive 5 months ago · 3 filings · Bingo Builders: GC
Replace (14) windows at 2/f. same size, same location. hung windows in this case alum to vinyl. replace 1396 front metal gate at side…
GC named · Engineer identified
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$100K Portola single-family renovation
Active 11 months ago · Bingo Builders: GC
Whole building- kitchen and 3 baths
GC named · Architect identified · Engineer identified
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$66K Outer Mission single-family renovation
Active 11 months ago · 3 filings · Bingo Builders: GC
Add two skylights to the plan. revision to. to comply…
GC named · Engineer identified
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17 more
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Scopes, values, teams and filing history for every one
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Neighborhood, filing date, scope and declared value are shown here. Exact addresses,
owner names and mailing addresses, and full filing histories are part of the paid product.
20 project records for Bingo Builders: addresses, values, project teams
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Typical project$7K–$87K$23K typical1.4× the SF median ($17K)Last filed93 days agoMission · Jun 16, 2026Last 90 days2 active2 newly filed
Filing activity · 16 weeks to Aug 23, 2026 · peak May 2026
MAY
JUN
JUL
AUG
Project mix · by use
Residential100%
Geography · by neighborhood
Mission23%
Portola23%
Sunset/Parkside23%
Bayview Hunters Point16%
Excelsior15%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | William Liang | Engineering | 2 | |
| 2 | General Design | Architecture | 1 | |
| 3 | Jingbo Yang | Engineering | 1 | |
| 4 | Lawrence Liao STR. Eng | Architecture | 1 | |
| 5 | Zfa Structural Engineers | Architecture | 1 | |
| None on shared filings. | ||||
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Owner and developer names, and the projects behind each connection, are part of the Leads product.
Firms that appear on the same San Francisco permit filings. Association on shared filings, not a proven working relationship.
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State licenseCSLB Contractor #1110685As filed on 12 permits
Repeat working relationships1 firmFirms this one appears with on more than one project, out of 5 in total.
Permit speed6 days17 days shorter than the SF median
based on 6 firm filings vs 4,623 SF filings
based on 6 firm filings vs 4,623 SF filings
Frequently asked questions
How many SF projects does Bingo Builders appear on?▾
PermitPipeline tracks 20 San Francisco building-permit projects for Bingo Builders (Jan 2025 to Jun 2026). 2 had filing activity in the last 90 days.
Does Bingo Builders work on commercial or residential projects?▾
Across its tracked San Francisco filings, 0% of Bingo Builders's projects are commercial and 100% are residential (multifamily, small residential, or single-family). Based on permit records, not self-reported.
Where in San Francisco does Bingo Builders work?▾
23% of Bingo Builders's tracked San Francisco projects are in Mission.
What is a typical Bingo Builders project worth?▾
The median declared value across the 20 San Francisco projects Bingo Builders has on record that state one is $23K (declared value on the permit filing, not contract value).
Which firms appear most often on the same filings as Bingo Builders?▾
Bingo Builders most frequently appears on the same San Francisco permit filings as William Liang, General Design, Jingbo Yang. Appearing together indicates association on shared filings, not a proven working relationship.
Is Bingo Builders a general contractor?▾
Bingo Builders is listed as a general contractor on its San Francisco permit filings. Roles on this profile are derived from the role each firm holds on public SF DBI filings.
Public aggregate — full project records are part of the paid leads product. Ranking, filing activity, project mix and geography were last recomputed Aug 23, 2026. Project counts, declared values and filing dates are read live from SF DBI filings.
How far back does this record go?▾
This page covers the recent permit record, not the firm’s full history. A firm’s earliest filing here means it was already working when our record opens, not that it started then.
Sources
San Francisco Department of Building Inspection permit filings.
Record source
Read directly from SF DBI filings.
Photography
None are shown until the firm supplies them.
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