U M B Corporation
Report verdict
Licensed & active (expires 2027-03-31) · No board discipline flag found in covered sources · 34 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 | 34 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: 2025-01-09.
What we checked
| License | Checked | CA Corporation #616478 · active |
| Bond | Checked | $25,000 with AMERICAN CONTRACTORS INDEMNITY COMPANY · as of 2026-10-14 |
| Workers' comp | Checked | Workers' Compensation Insurance (BENCHMARK INSURANCE COMPANY) · as of 2026-10-14 |
| Years licensed | Checked | Licensed since 1991 |
| Business registration | Not available in CA | State business registry not loaded yet |
| Permits | Checked | 34 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 1991 (earliest original issue date on these state license records; not a business start date)
| License # | Type | Status | Issued | Expires | Source |
|---|---|---|---|---|---|
| CA 616478 | Corporation (B) Workers' comp: Workers' Compensation Insurance (BENCHMARK INSURANCE COMPANY); Contractor bond: $25000 (AMERICAN CONTRACTORS INDEMNITY COMPANY); Secondary status: WC Susp Pending | clear | 1991-03-25 | 2027-03-31 | State board |
Bond & workers' comp
| Contractor bond | $25,000 · AMERICAN CONTRACTORS INDEMNITY COMPANY · effective 2023-01-01 |
|---|---|
| Workers' comp | Workers' Compensation Insurance · BENCHMARK INSURANCE COMPANY · effective 2025-10-01 · expires 2026-10-01 |
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 |
|---|---|---|---|---|
| 2025-01-09 | 202308224914 | otc alterations permit | 683 Brannan St | $1 |
| 2025-01-09 | 202308224906 | otc alterations permit | 178 Bluxome St | $1 |
| 2025-01-09 | 202308224913 | otc alterations permit | 673 Brannan St | $1 |
| 2022-03-17 | 202203149977 | otc alterations permit | 19 Clementina St | $1 |
| 2022-03-17 | 202203109713 | otc alterations permit | 19 Clementina St | $1 |
| 2022-03-10 | 202203109709 | otc alterations permit | 19 Clementina St | $1,000 |
| 2022-03-04 | 202203049240 | otc alterations permit | 19 Clementina St | $20,000 |
| 2020-01-08 | 201910316161 | otc alterations permit | 168 Bluxome St | $100,000 |
| 2019-10-03 | 201910033527 | otc alterations permit | 19 Clementina St | $20,000 |
| 2019-10-03 | 201910033524 | otc alterations permit | 673 Brannan St | $50,000 |
| 2019-10-03 | 201910033526 | otc alterations permit | 178 Bluxome St | $20,000 |
| 2019-10-03 | 201910033525 | otc alterations permit | 683 Brannan St | $40,000 |
| 2018-05-14 | 201805149069 | otc alterations permit | 3334 19th St | $130,000 |
| 2018-03-22 | 201712075792 | otc alterations permit | 599 03rd St | $45,000 |
| 2017-12-19 | 201707283260 | otc alterations permit | 178 Bluxome St | $1 |
| 2017-12-19 | 201707283263 | otc alterations permit | 19 Clementina St | $1 |
| 2017-12-15 | 201712156576 | otc alterations permit | 33 Teresita Bl | $43,000 |
| 2017-11-07 | 201707283265 | otc alterations permit | 673 Brannan St | $50,000 |
| 2017-11-07 | 201607152439 | otc alterations permit | 683 Brannan St | $40,000 |
| 2017-09-14 | 201709148232 | otc alterations permit | 33 Teresita Bl | $36,000 |
| 2017-08-18 | 201708104477 | otc alterations permit | 3334 19th St | $40,000 |
| 2016-04-21 | 201604013788 | otc alterations permit | 178 Bluxome St | $50,000 |
| 2016-03-24 | 201603071304 | otc alterations permit | 19 Clementina St | $60,000 |
| 2014-01-30 | 201401307393 | otc alterations permit | 1501 Mariposa St | $60,000 |
| 2009-04-03 | 200904035514 | otc alterations permit | 178 Bluxome St | $5,000 |
| 2008-04-08 | 200804038720 | otc alterations permit | 1501 Mariposa St | $200,000 |
| 2006-10-16 | 200610165107 | otc alterations permit | 178 Bluxome St | $25,100 |
| 2006-10-16 | 200610165094 | otc alterations permit | 673 Brannan St | $1 |
| 2006-10-16 | 200610165103 | otc alterations permit | 168 Bluxome St | $25,100 |
| 2006-10-16 | 200610165106 | otc alterations permit | 683 Brannan St | $25,100 |
| 2005-10-19 | 200510195947 | otc alterations permit | 168 Bluxome St | $25,001 |
| 2005-10-19 | 200510196013 | otc alterations permit | 673 Brannan St | $25,001 |
| 2005-10-19 | 200510196011 | otc alterations permit | 683 Brannan St | $25,001 |
| 2005-10-19 | 200510196016 | otc alterations permit | 178 Bluxome St | $25,001 |
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
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Reviews
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U M B Corporation · General Building Contractor
San Francisco, CA
License on file: CA ••••6478
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.
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