Rainbow Choy Hung & Co
Report verdict
Licensed & active (expires 2027-07-31) · No board discipline flag found in covered sources · 23 permits on file
88/100 HomeProFax Score — public-record factors only, not a rating of workmanship. How the score works Full report
The state board is the authority. A flag is a prompt to read the board record, not a verdict. Verify license status with the issuing board before you hire. See methodology and disclaimer & corrections.
What this report checks
Score breakdown
| Factor | Points | Why |
|---|---|---|
| License status | 35/35 | Active license on file with a state board |
| Discipline & legal flags | 20/20 | No disciplinary flag on board record |
| Permit history | 20/20 | 23 permits on file |
| Reviews (BBB + HomeProFax) | 13/25 | No BBB rating on file and no approved HomeProFax reviews yet (neutral). External ratings are linked below, not stored |
A simple, transparent sum of public-record factors. How the score works. Not a rating of workmanship.
Source data as of: Report rebuilt from source files on 2026-10-19 · CSLB bond/workers' comp as of 2026-10-14 · most recent permit on file: 2024-11-21.
What we checked
| License | Checked | CA Sole Owner #380786 · active |
| Bond | Checked | $25,000 with AMERICAN CONTRACTORS INDEMNITY COMPANY · as of 2026-10-14 |
| Workers' comp | Checked | Workers' Compensation Insurance (STATE COMPENSATION INSURANCE FUND) · as of 2026-10-14 |
| Years licensed | Checked | Licensed since 1979 |
| Business registration | Not available in CA | State business registry not loaded yet |
| Permits | Checked | 23 permits on record |
| Discipline | Checked | none on record |
| OSHA | Not checked yet | OSHA records not checked yet |
| Reviews & outside links | Not checked yet | No review lookup run yet |
| Contractor-provided | Not checked yet | Nothing provided by the contractor yet |
Public records as of their source dates. Board status is shown as reported by the board. Not a guarantee. Ask the contractor for their verified HomeProFax report.
Licenses
Licensed since 1979 (earliest original issue date on these state license records; not a business start date)
| License # | Type | Status | Issued | Expires | Source |
|---|---|---|---|---|---|
| CA 380786 | Sole Owner (C10) Workers' comp: Workers' Compensation Insurance (STATE COMPENSATION INSURANCE FUND); Contractor bond: $25000 (AMERICAN CONTRACTORS INDEMNITY COMPANY) | clear | 1979-08-24 | 2027-07-31 | State board |
Bond & workers' comp
| Contractor bond | $25,000 · AMERICAN CONTRACTORS INDEMNITY COMPANY · effective 2023-01-01 |
|---|---|
| Workers' comp | Workers' Compensation Insurance · STATE COMPENSATION INSURANCE FUND · effective 2012-09-01 · expires 2027-09-01 |
Source: CSLB Public Data Portal (License Master), as of 2026-10-14. Verify current bond and insurance with CSLB and the insurer before you hire.
Building permits
| Date | Permit | Type | Address | Value |
|---|---|---|---|---|
| 2024-11-21 | 202411215484 | otc alterations permit | 1216 Funston Av | $2,000 |
| 2024-10-21 | 202410213348 | otc alterations permit | 1216 Funston Av | $4,500 |
| 2024-03-20 | 202403208257 | otc alterations permit | 407 11th Av | $1 |
| 2024-01-18 | 202401174107 | otc alterations permit | 407 11th Av | $1 |
| 2023-12-13 | 202312132444 | otc alterations permit | 1352 Kearny St | $1 |
| 2023-06-21 | 202306210496 | otc alterations permit | 1352 Kearny St | $1 |
| 2023-06-09 | 202306089581 | otc alterations permit | 384 23rd Av | $1 |
| 2023-04-20 | 202302272692 | otc alterations permit | 1250 48th Av | $3,200 |
| 2018-02-26 | 201802131113 | otc alterations permit | 1543 Larkin St | $4,375 |
| 2017-12-18 | 201711063255 | otc alterations permit | 3853 24th St | $250,000 |
| 2016-10-14 | 201610119876 | otc alterations permit | 4209 Ulloa St | $20,000 |
| 2016-06-07 | 201605096985 | otc alterations permit | 1541 Larkin St | $40,000 |
| 2014-11-04 | 201410229544 | otc alterations permit | 1541 Larkin St | $40,000 |
| 2009-07-15 | 200907142551 | otc alterations permit | 314 Athens St | $9,000 |
| 2008-08-27 | 200808270199 | otc alterations permit | 623 08th Av | $8,500 |
| 2008-03-21 | 200803217725 | otc alterations permit | 2240 Chestnut St | $200 |
| 2007-02-02 | 200609111883 | additions alterations or repairs | 201 Turk St | $8,800 |
| 2006-12-27 | 200612270589 | otc alterations permit | 1448 Pine St | $1,000 |
| 2004-11-17 | 200411179482 | otc alterations permit | 2940 Geary Bl | $500 |
| 2004-10-29 | 200410298123 | otc alterations permit | 2940 Geary Bl | $30,000 |
| 2003-07-15 | 200307159501 | otc alterations permit | 848 Jackson St | $15,000 |
| 2003-05-23 | 200303119325 | additions alterations or repairs | 712 Irving St | $50,000 |
| 2001-01-22 | 200101220346 | otc alterations permit | 3771 Mission St | $1,000 |
Source: DataSF (Building Permits + Building Permits Contacts)
Source: DataSF, City and County of San Francisco (Building Permits; Building Permits Contacts).
Discipline, complaints & legal
No board discipline or complaints found in our current sources. Federal court search (CourtListener): no state-consistent possible match in our last sample run, or not yet run for this contractor.
Around the web
Search other sites — these open a search for this name and location. They are not verified matches; check the business name, address and license number on the result.
Search Google Maps ↗ Search Angi ↗ Search Yelp ↗ Search BBB ↗ Search HomeAdvisor ↗
Outside ratings are shown for context only and are not part of the HomeProFax Score. Why?
Reviews
External review checks (we link out; we do not store or score Google, Angi, Yelp or Houzz ratings):
Check Google reviews ↗ Search BBB ↗
Homeowner reviews on HomeProFax
No published homeowner reviews yet.
Leave a review
Is this your business?
Claim this profile for free to correct details, add insurance and photos, and get a verified badge.
Rainbow Choy Hung & Co · Electrical Contractor
San Francisco, CA
License on file: CA ••••0786
Sources for this report
- CA license board
- DataSF (Building Permits + Building Permits Contacts)
See something wrong? Request a correction. This report is compiled from public records and is not a consumer report.
More Electricians in San Francisco, CA
Compare 82 electricians in San Francisco by license status, permits and score.
See electricians in San Francisco → All contractors in San Francisco