Window Factory
Report verdict
Licensed & active (expires 2028-06-30) · No board discipline flag found in covered sources · 56 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 | 56 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: 2023-05-09.
What we checked
| License | Checked | CA Corporation #781086 · active |
| Bond | Checked | $25,000 with AMERICAN CONTRACTORS INDEMNITY COMPANY · as of 2026-10-14 |
| Workers' comp | Checked | Workers' Compensation Insurance (ENDURANCE ASSURANCE CORPORATION) · as of 2026-10-14 |
| Years licensed | Checked | Licensed since 2000 |
| Business registration | Not available in CA | State business registry not loaded yet |
| Permits | Checked | 56 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 2000 (earliest original issue date on these state license records; not a business start date)
| License # | Type | Status | Issued | Expires | Source |
|---|---|---|---|---|---|
| CA 781086 | Corporation (B| C17) Workers' comp: Workers' Compensation Insurance (ENDURANCE ASSURANCE CORPORATION); Contractor bond: $25000 (AMERICAN CONTRACTORS INDEMNITY COMPANY) | clear | 2000-06-30 | 2028-06-30 | State board |
Bond & workers' comp
| Contractor bond | $25,000 · AMERICAN CONTRACTORS INDEMNITY COMPANY · effective 2023-01-01 |
|---|---|
| Workers' comp | Workers' Compensation Insurance · ENDURANCE ASSURANCE CORPORATION · effective 2025-11-05 · expires 2026-11-05 |
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 |
|---|---|---|---|---|
| 2023-05-09 | 202305097368 | otc alterations permit | 133 Baden St | $8,000 |
| 2019-07-30 | 201907307309 | otc alterations permit | 1231 Potrero Av | $25,000 |
| 2019-07-01 | 201907014862 | otc alterations permit | 360 Collingwood St | $10,000 |
| 2018-09-26 | 201809261444 | otc alterations permit | 119 Lake Merced Hill St South St | $15,000 |
| 2018-06-08 | 201806081413 | otc alterations permit | 60 Alpine Tr | $19,000 |
| 2017-08-09 | 201708094379 | otc alterations permit | 233 Anderson St | $1,100 |
| 2017-08-09 | 201708094377 | otc alterations permit | 519 24th Av | $1 |
| 2017-06-07 | 201706078660 | otc alterations permit | 143 Lake Merced Hill St South St | $10,500 |
| 2017-05-19 | 201705197150 | otc alterations permit | 208 Lake Merced Hill St North St | $6,500 |
| 2017-03-08 | 201703080973 | otc alterations permit | 2325 Larkin St | $37,000 |
| 2017-03-02 | 201612155099 | otc alterations permit | 139 Lake Merced Hill So | $18,000 |
| 2016-12-15 | 201612155096 | otc alterations permit | 519 24th Av | $6,000 |
| 2016-11-15 | 201611152800 | otc alterations permit | 1740 Laguna St | $24,000 |
| 2016-11-03 | 201611011671 | otc alterations permit | 1747 43rd Av | $7,000 |
| 2016-09-22 | 201609228579 | otc alterations permit | 440 Valley St | $6,500 |
| 2016-09-22 | 201609228560 | otc alterations permit | 2 Carpenter Ct | $15,000 |
| 2016-08-15 | 201607283704 | otc alterations permit | 476 25th Av | $20,000 |
| 2016-06-22 | 201606220607 | otc alterations permit | 171 Casitas Av | $12,100 |
| 2016-06-22 | 201606220608 | otc alterations permit | 2025 Ofarrell St | $2,500 |
| 2016-05-12 | 201605127274 | otc alterations permit | 129 Lake Merced Hill St South St | $17,000 |
| 2016-02-09 | 201602099137 | otc alterations permit | 3659 17th St | $6,775 |
| 2016-02-09 | 201602099146 | otc alterations permit | 100 Lake Merced Hill St South St | $6,500 |
| 2016-02-09 | 201602099148 | otc alterations permit | 116 Lake Merced Hill St South St | $20,000 |
| 2016-01-12 | 201601126874 | otc alterations permit | 440 Valley St | $3,582 |
| 2015-10-20 | 201510068955 | otc alterations permit | 2067 29th Av | $4,747 |
| 2015-10-06 | 201510068941 | otc alterations permit | 90 Bartlett St | $36,632 |
| 2015-09-09 | 201509096480 | otc alterations permit | 125 Lake Merced Hill St South St | $16,108 |
| 2015-09-09 | 201509096482 | otc alterations permit | 307 Parker Av | $7,500 |
| 2015-06-26 | 201506250003 | otc alterations permit | 4429 Kirkham St | $3,211 |
| 2015-06-26 | 201506250002 | otc alterations permit | 913 Capp St | $7,000 |
| 2015-02-12 | 201502128237 | otc alterations permit | 440 Valley St | $10,250 |
| 2014-11-10 | 201411060946 | otc alterations permit | 127 30th St | $9,800 |
| 2014-11-10 | 201411101127 | otc alterations permit | 519 24th Av | $800 |
| 2014-10-24 | 201410249852 | otc alterations permit | 125 04th Av | $25,000 |
| 2014-10-24 | 201410249855 | otc alterations permit | 1546 18th St | $9,000 |
| 2014-06-23 | 201406239141 | otc alterations permit | 1478 Dolores St | $6,000 |
| 2014-03-10 | 201403100349 | otc alterations permit | 759 Cambridge St | $4,900 |
| 2014-03-10 | 201403070238 | otc alterations permit | 3137 Broderick St | $13,200 |
| 2014-02-21 | 201402208951 | otc alterations permit | 2320 33rd Av | $8,200 |
| 2013-12-10 | 201312103752 | otc alterations permit | 519 24th Av | $5,939 |
| 2013-11-26 | 201311262872 | otc alterations permit | 625 Masonic Av | $7,800 |
| 2013-08-28 | 201308285465 | otc alterations permit | 229 Cortland Av | $17,250 |
| 2013-05-14 | 201305146859 | otc alterations permit | 478 17th Av | $1,000 |
| 2013-01-03 | 201301037173 | otc alterations permit | 1340 Scott St | $3,000 |
| 2012-12-04 | 201212045403 | otc alterations permit | 118 Lake Merced Hill So Bl | $9,800 |
| 2012-09-19 | 201209190144 | otc alterations permit | 101 Lake Merced Hill So Bl | $8,200 |
| 2012-08-13 | 201208137274 | otc alterations permit | 2002 Bush St | $12,000 |
| 2012-08-13 | 201208137275 | otc alterations permit | 2004 Bush St | $12,000 |
| 2012-07-16 | 201207023911 | otc alterations permit | 201 Laguna St | $58,500 |
| 2012-04-30 | 201204309383 | otc alterations permit | 100 Portola Dr | $25,000 |
| 2011-09-22 | 201109225248 | otc alterations permit | 440 Valley St | $10,350 |
| 2011-02-09 | 201102099889 | otc alterations permit | 519 24th Av | $3,285 |
| 2009-05-27 | 200905279221 | otc alterations permit | 766 36th Av | $13,500 |
| 2008-10-22 | 200810224785 | otc alterations permit | 4535 19th St | $3,700 |
| 2008-09-26 | 200809262752 | otc alterations permit | 4535 19th St | $4,750 |
| 2007-09-14 | 200709142749 | otc alterations permit | 866 26th Av | $19,210 |
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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Window Factory · General Building Contractor
Greenbrae, CA
License on file: CA ••••1086
Sources for this report
- CA license board
- DataSF (Building Permits + Building Permits Contacts)
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