International Waterproofing & Roofing
Report verdict
Licensed & active (expires 2027-08-31) · No board discipline flag found in covered sources · 35 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 | 35 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: 2026-02-26.
What we checked
| License | Checked | CA Corporation #739431 · active |
| Bond | Checked | $25,000 with PHILADELPHIA INDEMNITY INSURANCE 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 1997 |
| Business registration | Not available in CA | State business registry not loaded yet |
| Permits | Checked | 35 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 1997 (earliest original issue date on these state license records; not a business start date)
| License # | Type | Status | Issued | Expires | Source |
|---|---|---|---|---|---|
| CA 739431 | Corporation (B| C39) Workers' comp: Workers' Compensation Insurance (STATE COMPENSATION INSURANCE FUND); Contractor bond: $25000 (PHILADELPHIA INDEMNITY INSURANCE COMPANY) | clear | 1997-08-18 | 2027-08-31 | State board |
Bond & workers' comp
| Contractor bond | $25,000 · PHILADELPHIA INDEMNITY INSURANCE COMPANY · effective 2025-11-21 |
|---|---|
| Workers' comp | Workers' Compensation Insurance · STATE COMPENSATION INSURANCE FUND · effective 2018-10-01 · expires 2027-10-01 |
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 |
|---|---|---|---|---|
| 2026-02-26 | 202602256513 | otc alterations permit | 220 Golden Gate Av | $5,000 |
| 2025-09-24 | 202509246029 | otc alterations permit | 330 Ellis St | $80,000 |
| 2025-09-02 | 202410163026 | otc alterations permit | 220 Golden Gate Av | $25,000 |
| 2023-06-28 | 202305117630 | otc alterations permit | 100 Masonic Av | $80,000 |
| 2022-10-21 | 202205315241 | otc alterations permit | 100 Masonic Av | $170,000 |
| 2022-08-12 | 202208120460 | otc alterations permit | 3780 Sacramento St | $20,000 |
| 2022-08-12 | 202208120464 | otc alterations permit | 3796 Sacramento St | $8,000 |
| 2022-07-12 | 202207128264 | otc alterations permit | 1802 09th Av | $5,000 |
| 2021-12-20 | 202112204711 | otc alterations permit | 1 Burnett Ave North Av | $801,833 |
| 2021-11-22 | 202111182727 | otc alterations permit | 398 Haight St | $22,000 |
| 2021-10-08 | 202110059849 | otc alterations permit | 3790 Sacramento St | $10,000 |
| 2021-06-04 | 202106041679 | otc alterations permit | 1601 Howard St | $70,000 |
| 2021-01-05 | 202101052056 | otc alterations permit | 3043 Clay St | $1 |
| 2020-12-29 | 202012291862 | otc alterations permit | 3043 Clay St | $1 |
| 2020-12-15 | 202012151009 | otc alterations permit | 3043 Clay St | $97,000 |
| 2020-12-03 | 202012030168 | otc alterations permit | 3043 Clay St | $18,000 |
| 2020-02-13 | 202002134375 | otc alterations permit | 7 Seymour St | $33,000 |
| 2019-02-11 | 201803234431 | additions alterations or repairs | 154 South Van Ness Av | $2,750 |
| 2018-12-03 | 201812037307 | otc alterations permit | 333 Bush St | $30,000 |
| 2018-08-07 | 201808076618 | otc alterations permit | 2330 Larkin St | $25,000 |
| 2018-06-08 | 201806071194 | otc alterations permit | 48 Stockton St | $32,000 |
| 2017-11-20 | 201711204327 | otc alterations permit | 44 Mcallister St | $26,000 |
| 2017-10-04 | 201710040334 | otc alterations permit | 34 Turk St | $3,000 |
| 2016-09-28 | 201609289012 | otc alterations permit | 25 Mason St | $68,000 |
| 2014-12-26 | 201412264523 | otc alterations permit | 55 Mason St | $30,000 |
| 2014-10-14 | 201410148774 | otc alterations permit | 55 Mason St | $220 |
| 2014-07-25 | 201407252246 | otc alterations permit | 55 Cyril Magnin St | $30,000 |
| 2014-05-15 | 201309207363 | additions alterations or repairs | 278 Post St | $40,000 |
| 2012-11-21 | 201211214680 | otc alterations permit | 55 Mason St | $45,000 |
| 2008-04-14 | 200804149581 | otc alterations permit | 685 Market St | $30,000 |
| 2007-09-28 | 200709284054 | otc alterations permit | 685 Market St | $123,000 |
| 2005-08-18 | 200508180614 | otc alterations permit | 2200 Hyde St | $4,800 |
| 2005-08-18 | 200508180612 | otc alterations permit | 3794 Sacramento St | $9,700 |
| 2001-06-01 | 200106010541 | otc alterations permit | 114 Sansome St | $14,000 |
| 2000-11-10 | 200011105396 | otc alterations permit | 211 Sutter St | $22,000 |
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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International Waterproofing & Roofing · General Building Contractor
San Francisco, CA
License on file: CA ••••9431
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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