Winwin Construction Inc
Report verdict
Licensed & active (expires 2027-10-31) · No board discipline flag found in covered sources · 53 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 | 53 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: 2026-01-20.
What we checked
| License | Checked | CA Corporation #1031942 · active |
| Bond | Checked | $25,000 with MERCHANTS BONDING COMPANY (MUTUAL) · 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 2017 |
| Business registration | Not available in CA | State business registry not loaded yet |
| Permits | Checked | 53 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 2017 (earliest original issue date on these state license records; not a business start date)
| License # | Type | Status | Issued | Expires | Source |
|---|---|---|---|---|---|
| CA 1031942 | Corporation (B) Workers' comp: Workers' Compensation Insurance (STATE COMPENSATION INSURANCE FUND); Contractor bond: $25000 (MERCHANTS BONDING COMPANY (MUTUAL)) | clear | 2017-10-17 | 2027-10-31 | State board |
Bond & workers' comp
| Contractor bond | $25,000 · MERCHANTS BONDING COMPANY (MUTUAL) · effective 2025-12-05 |
|---|---|
| Workers' comp | Workers' Compensation Insurance · STATE COMPENSATION INSURANCE FUND · effective 2024-12-21 · expires 2026-12-21 |
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 |
|---|---|---|---|---|
| 2026-01-20 | 202601204160 | otc alterations permit | 54 Chenery St | $4,000 |
| 2025-05-01 | 202504295484 | otc alterations permit | 1445 38th Av | $20,000 |
| 2025-04-08 | 202503202707 | otc alterations permit | 331 London St | $15,000 |
| 2025-03-21 | 202503202697 | otc alterations permit | 524 46th Av | $20,000 |
| 2025-01-21 | 202111293176 | additions alterations or repairs | 1947 31st Av | $100,000 |
| 2024-12-16 | 202203089409 | additions alterations or repairs | 1947 31st Av | $100,000 |
| 2024-11-07 | 202410314163 | otc alterations permit | 1919 43rd Av | $80,000 |
| 2024-10-18 | 202410012093 | otc alterations permit | 1219 25th Av | $240,000 |
| 2024-10-03 | 202409191210 | otc alterations permit | 460 Lansdale Av | $10,000 |
| 2024-09-13 | 202409050152 | otc alterations permit | 1445 38th Av | $200,000 |
| 2024-09-06 | 202408068069 | otc alterations permit | 1945 Fulton St | $75,000 |
| 2024-08-09 | 202408088236 | otc alterations permit | 1445 38th Av | $10,000 |
| 2024-07-03 | 202405202421 | otc alterations permit | 460 Lansdale Av | $200,000 |
| 2023-10-26 | 202310108286 | otc alterations permit | 54 Chenery St | $4,000 |
| 2023-06-01 | 202305157800 | otc alterations permit | 54 Chenery St | $150,000 |
| 2023-05-24 | 202305228315 | otc alterations permit | 475 Lansdale Av | $70,000 |
| 2023-04-13 | 202303153693 | otc alterations permit | 924 Ortega St | $380,000 |
| 2023-03-29 | 202301190416 | otc alterations permit | 1575 32nd Av | $150,000 |
| 2023-02-03 | 202212289314 | otc alterations permit | 45 Pinehurst Wy | $138,000 |
| 2022-11-17 | 202110079974 | additions alterations or repairs | 2174 42nd Av | $12,000 |
| 2022-07-13 | 202206307548 | otc alterations permit | 618 Thornton Av | $40,000 |
| 2022-05-10 | 202205043538 | otc alterations permit | 441 Myra Wy | $38,000 |
| 2022-05-06 | 202205063741 | otc alterations permit | 176 Carl St | $1 |
| 2022-03-28 | 202202107772 | otc alterations permit | 1743 La Salle Av | $18,000 |
| 2022-03-11 | 202112134283 | otc alterations permit | 3586 17th St | $50,000 |
| 2022-03-09 | 202203049273 | otc alterations permit | 1192 Goettingen St | $68,000 |
| 2021-08-30 | 202108267225 | otc alterations permit | 1142 Florida St | $8,500 |
| 2021-07-23 | 202107234978 | otc alterations permit | 3586 17th St | $48,000 |
| 2021-06-25 | 202106233073 | otc alterations permit | 739 Ellsworth St | $38,000 |
| 2021-05-05 | 202102114498 | otc alterations permit | 325 Niagara Av | $50,000 |
| 2021-04-12 | 202009124058 | otc alterations permit | 150 09th St | $330,000 |
| 2021-01-21 | 202101122530 | otc alterations permit | 176 Carl St | $1 |
| 2021-01-06 | 202010217050 | otc alterations permit | 91 Warren Dr | $50,000 |
| 2020-12-15 | 202010196849 | otc alterations permit | 176 Carl St | $150,000 |
| 2020-03-13 | 202001293020 | otc alterations permit | 210 Hazelwood Av | $1 |
| 2020-02-10 | 202002103981 | otc alterations permit | 210 Hazelwood Av | $10,000 |
| 2019-12-19 | 201912119202 | otc alterations permit | 210 Hazelwood Av | $186,000 |
| 2019-12-06 | 201912068866 | otc alterations permit | 1970 29th Av | $25,000 |
| 2019-11-07 | 201506088366 | additions alterations or repairs | 163 Victoria St | $120,000 |
| 2019-10-18 | 201910184998 | otc alterations permit | 210 Hazelwood Av | $35,000 |
| 2019-07-08 | 201906274535 | otc alterations permit | 767 32nd Av | $20,000 |
| 2019-03-06 | 201812218973 | otc alterations permit | 767 32nd Av | $80,000 |
| 2018-12-05 | 201811297071 | otc alterations permit | 1891 35th Av | $4,000 |
| 2018-12-05 | M1013467 | otc alterations permit | 1716 14th Av | — |
| 2018-10-17 | 201810123033 | otc alterations permit | 1716 14th Av | $30,000 |
| 2018-10-05 | 201808318878 | otc alterations permit | 263 Oak Park Dr | $50,000 |
| 2018-09-05 | 201809059221 | otc alterations permit | 291 14th Av | $15,000 |
| 2018-08-20 | 201808066550 | otc alterations permit | 1891 35th Av | $68,000 |
| 2018-05-29 | 201805118879 | otc alterations permit | 602 Cabrillo St | $50,000 |
| 2018-05-04 | 201803163901 | otc alterations permit | 105 Warren Dr | $8,000 |
| 2017-12-21 | 201708043875 | otc alterations permit | 105 Warren Dr | $49,000 |
| 2017-12-21 | 201711154027 | otc alterations permit | 175 Francisco St | $250,000 |
| 2017-07-21 | 201706058357 | otc alterations permit | 321 Ashton Av | $1 |
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.
Winwin Construction Inc · General Building Contractor
San Francisco, CA
License on file: CA 10••••1942
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 General Contractors in San Francisco, CA
Compare 604 general contractors in San Francisco by license status, permits and score.
See general contractors in San Francisco → All contractors in San Francisco