Singular Builders
Report verdict
Licensed & active (expires 2027-05-31) · No board discipline flag found in covered sources · 71 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 | 71 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: 2026-09-23.
What we checked
| License | Checked | CA Corporation #1104356 · active |
| Bond | Checked | $25,000 with MERCHANTS BONDING COMPANY (MUTUAL) · as of 2026-10-14 |
| Workers' comp | Checked | Workers' Compensation Insurance (TRAVELERS PROPERTY CASUALTY COMPANY OF AMERICA) · as of 2026-10-14 |
| Years licensed | Checked | Licensed since 2023 |
| Business registration | Not available in CA | State business registry not loaded yet |
| Permits | Checked | 71 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 2023 (earliest original issue date on these state license records; not a business start date)
| License # | Type | Status | Issued | Expires | Source |
|---|---|---|---|---|---|
| CA 1104356 | Corporation (A| B) Workers' comp: Workers' Compensation Insurance (TRAVELERS PROPERTY CASUALTY COMPANY OF AMERICA); Contractor bond: $25000 (MERCHANTS BONDING COMPANY (MUTUAL)) | clear | 2023-05-04 | 2027-05-31 | State board |
Bond & workers' comp
| Contractor bond | $25,000 · MERCHANTS BONDING COMPANY (MUTUAL) · effective 2023-04-25 |
|---|---|
| Workers' comp | Workers' Compensation Insurance · TRAVELERS PROPERTY CASUALTY COMPANY OF AMERICA · effective 2026-06-13 · expires 2027-06-13 |
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 |
|---|---|---|---|---|
| 2026-09-23 | 202609107907 | otc alterations permit | 1 California St | $82,000 |
| 2026-09-22 | 202607155065 | otc alterations permit | 57 Post St | $1,880,000 |
| 2026-08-28 | 202509235912 | additions alterations or repairs | 299 West Portal Av | $1,108,500 |
| 2026-08-24 | 202608126469 | otc alterations permit | 1 California St | $60,000 |
| 2026-08-21 | 202607245505 | otc alterations permit | 655 Brotherhood Wy | $15,000 |
| 2026-08-21 | 202508082684 | additions alterations or repairs | 301 14th Av | $3,000,000 |
| 2026-08-19 | 202606042500 | otc alterations permit | 235 Stockton St | $1,030,000 |
| 2026-08-04 | 202607165130 | otc alterations permit | 800 Presidio Av | $326,134 |
| 2026-07-30 | 202605151348 | otc alterations permit | 55 Cyril Magnin St | $90,000 |
| 2026-07-30 | 202606263973 | otc alterations permit | 333 Ofarrell St | $75,000 |
| 2026-07-24 | 202511179769 | additions alterations or repairs | 3153 17th St | $7,273,634 |
| 2026-07-24 | 202512262714 | additions alterations or repairs | 3153 17th St | $105 |
| 2026-07-22 | 202605261889 | otc alterations permit | 1 California St | $392,975 |
| 2026-07-22 | 202606223639 | otc alterations permit | 1 California St | $370,336 |
| 2026-07-16 | 202510227889 | otc alterations permit | 3251 20th Av | $400,000 |
| 2026-07-06 | 202602105607 | additions alterations or repairs | 655 Brotherhood Wy | $5,000,000 |
| 2026-07-06 | 202606012233 | otc alterations permit | 655 Brotherhood Wy | $104,000 |
| 2026-06-24 | 202604209724 | otc alterations permit | 153 Townsend St | $42,600 |
| 2026-06-24 | 202604209722 | otc alterations permit | 153 Townsend St | $150,000 |
| 2026-06-18 | 202512182140 | otc alterations permit | 153 Townsend St | $189,254 |
| 2026-06-12 | 202604079056 | otc alterations permit | 2261 Fillmore St | $34,632 |
| 2026-06-04 | 202606022315 | otc alterations permit | 940 Battery St | $40,000 |
| 2026-06-03 | 202605181443 | grade or quarry or fill or excavate | 655 Brotherhood Wy | $221,400 |
| 2026-06-03 | 202603187816 | otc alterations permit | 728 Pacific Av | $600,000 |
| 2026-05-15 | 202605151383 | otc alterations permit | 655 Brotherhood Wy | $221,400 |
| 2026-05-07 | 202605060823 | otc alterations permit | 301 14th Av | $1 |
| 2026-04-08 | 202512111503 | additions alterations or repairs | 301 14th Av | $48,000 |
| 2026-03-19 | 202602236299 | otc alterations permit | 1045 Sansome St | $250,000 |
| 2025-11-13 | 202510097115 | otc alterations permit | 3900 03rd St | $107,000 |
| 2025-07-22 | 202504295458 | additions alterations or repairs | 3900 03rd St | $90,000 |
| 2025-07-18 | 202502251037 | otc alterations permit | 120 Maiden Ln | $120,000 |
| 2025-07-01 | 202412035993 | additions alterations or repairs | 3900 03rd St | $1,365,000 |
| 2025-06-30 | 202506309738 | otc alterations permit | 350 Masonic Av | $1 |
| 2025-06-04 | 202503112018 | additions alterations or repairs | 190 Post St | $1 |
| 2025-04-21 | 202504083908 | otc alterations permit | 190 Post St | $30,000 |
| 2025-04-15 | 202504033619 | otc alterations permit | 190 Post St | $1 |
| 2025-03-24 | 202503031458 | otc alterations permit | 190 Post St | $1 |
| 2025-03-24 | 202501218721 | otc alterations permit | 190 Post St | $5,000 |
| 2025-03-24 | 202502240916 | otc alterations permit | 190 Post St | $10,000 |
| 2025-02-26 | 202502261140 | otc alterations permit | 3900 03rd St | $45,000 |
| 2025-02-26 | 202412096430 | otc alterations permit | 3900 03rd St | $180,000 |
| 2025-02-26 | 202502261136 | additions alterations or repairs | 3900 03rd St | $45,000 |
| 2025-01-29 | 202408239343 | additions alterations or repairs | 190 Post St | $200,000 |
| 2025-01-23 | 202501178611 | otc alterations permit | 3900 03rd St | $250,000 |
| 2024-12-31 | 202411074563 | otc alterations permit | 190 Post St | $450,000 |
| 2024-10-25 | 202409181086 | otc alterations permit | 190 Post St | $1 |
| 2024-10-03 | 202409302001 | otc alterations permit | 190 Post St | $60,000 |
| 2024-09-19 | 202405303366 | sign - erect | 259 Post St | $2,500 |
| 2024-09-19 | 202405303361 | sign - erect | 259 Post St | $2,500 |
| 2024-09-18 | 202405303370 | sign - erect | 259 Post St | $2,500 |
| 2024-09-18 | 202405303372 | sign - erect | 259 Post St | $2,500 |
| 2024-09-18 | 202406043636 | otc alterations permit | 259 Post St | $1 |
| 2024-09-13 | 202408098305 | otc alterations permit | 1 Sansome St | $658,252 |
| 2024-09-10 | 202409100430 | otc alterations permit | 190 Post St | $2,000 |
| 2024-08-23 | 202407257271 | otc alterations permit | 190 Post St | $1,650,000 |
| 2024-07-22 | 202406275451 | otc alterations permit | 190 Post St | $200,000 |
| 2024-07-22 | 202404301110 | otc alterations permit | 190 Post St | $350,000 |
| 2024-07-12 | 202406275439 | otc alterations permit | 259 Post St | $1,500 |
| 2024-07-09 | 202311090565 | additions alterations or repairs | 99 Harding Rd | $335,000 |
| 2024-07-02 | 202405101886 | otc alterations permit | 1 Yacht Rd | $750,000 |
| 2024-06-10 | 202406053802 | otc alterations permit | 1201 Illinois St | $12,000 |
| 2024-06-06 | 202405011192 | otc alterations permit | 350 Masonic Av | $660,000 |
| 2024-03-12 | 202309297767 | otc alterations permit | 1278 Minnesota St | $525,000 |
| 2024-03-07 | 202403057163 | otc alterations permit | 99 Harding Rd | $30,000 |
| 2023-12-04 | 202311140753 | otc alterations permit | 99 Harding Rd | $1 |
| 2023-11-10 | 202306140036 | otc alterations permit | 259 Post St | $150,000 |
| 2023-10-31 | 202309257314 | additions alterations or repairs | 988 Market St | $9,000,000 |
| 2023-08-14 | 202306140038 | otc alterations permit | 259 Post St | $1,500,000 |
| 2023-08-10 | 202307252934 | otc alterations permit | 250 Valencia St | $40,000 |
| 2023-06-15 | 202209283366 | otc alterations permit | 2645 Gough St | $20,000 |
| 2023-05-19 | 202203029071 | new construction wood frame | 99 Harding Rd | $700,000 |
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
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Singular Builders · General Engineering Contractor
San Francisco, CA
License on file: CA 11••••4356
Sources for this report
- CA license board
- DataSF (Building Permits + Building Permits Contacts)
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