2674 22nd Ave, San Francisco, CA 94116
Rainbow Choy Hung & Co is an electrical contractor with 9 tracked San Francisco building-permit projects on record, with the latest filing in that record 76 days ago. Its filings (Jan 2025 to Jul 2026) are concentrated in Sunset/Parkside and Chinatown. A typical project in the record declares $3K–$4K. If you work at Rainbow Choy Hung & Co, claim this page to add a description.
Filed 76 days ago
#1,161
by SF filing activity
among SF specialty contractors, 90 days to Oct 4, 2026
9
projects
from 11 filings
1/16
active week
weeks with a filing (16 weeks to Oct 4, 2026)
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Permit-backed projects · PermitPipeline’s independent record
$12K West of Twin Peaks commercial renovation
Last active Jan 2025 · Rainbow Choy Hung &: specialty contractor
1) outdoor motion sensor light, (1) switch
GC named · 2 architects identified · Engineer identified
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$3K Sunset/Parkside renovation
Active 2 months ago · Rainbow Choy Hung &: specialty contractor
Green tag 100 amps
No GC named
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$16K Excelsior single-family renovation
Last active Jul 2025 · Rainbow Choy Hung &: specialty contractor
200 amps meter main and 125a panel
No GC named
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6 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.
9 project records for Rainbow Choy Hung & Co: addresses, values, project teams
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Typical project$3K–$4K$4K typicalLast filed76 days agoSunset/Parkside · Jul 23, 2026Last 90 days1 active1 newly filed
Filing activity · 16 weeks to Oct 4, 2026 · peak Jul 2026
JUN
JUL
AUG
SEP
Project mix · by use
Commercial50%
Residential50%
Geography · by neighborhood
Sunset/Parkside50%
Chinatown13%
Excelsior13%
Outer Mission12%
Visitacion Valley12%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Architectural Studio | Architecture | 1 | |
| 2 | Double D Engineeering | Architecture | 1 | |
| 1 | Angotti & Reilly Inc. | General contractor | 1 |
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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 licenseNot connectedTrade licenses are held by BPELSG. That register is not part of the San Francisco permit record, and we do not yet read it.
Repeat working relationships0 firmsFirms this one appears with on more than one project, out of 3 in total.
Permit speed—Too few filings with a recorded issue date to publish a median.
Frequently asked questions
How many SF projects does Rainbow Choy Hung & Co appear on?▾
PermitPipeline tracks 9 San Francisco building-permit projects for Rainbow Choy Hung & Co (Jan 2025 to Jul 2026). 1 had filing activity in the last 90 days.
Does Rainbow Choy Hung & Co work on commercial or residential projects?▾
Across its tracked San Francisco filings, 50% of Rainbow Choy Hung & Co's projects are commercial and 50% are residential (multifamily, small residential, or single-family). Based on permit records, not self-reported.
Where in San Francisco does Rainbow Choy Hung & Co work?▾
50% of Rainbow Choy Hung & Co's tracked San Francisco projects are in Sunset/Parkside.
What is a typical Rainbow Choy Hung & Co project worth?▾
The median declared value across the 9 San Francisco projects Rainbow Choy Hung & Co has on record that state one is $4K (declared value on the permit filing, not contract value).
Which firms appear most often on the same filings as Rainbow Choy Hung & Co?▾
Rainbow Choy Hung & Co most frequently appears on the same San Francisco permit filings as Angotti & Reilly Inc., Architectural Studio, Double D Engineeering. Appearing together indicates association on shared filings, not a proven working relationship.
Is Rainbow Choy Hung & Co an electrical contractor?▾
Rainbow Choy Hung & Co is listed as an electrical 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 Oct 4, 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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