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License is active

Source: Contractors State License Board (CSLB)

Expires in 4 months — verify renewal before long contracts

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Licensed

Current and in good standing

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Bonded

$25,000 surety bond

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Insured

Workers' comp coverage on file

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Clean record

No complaints or disciplinary actions

California licensing requirements →

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CALIFORNIA THERMAL WINDOWS

License Number: 459206
State: California
Status: active
Business Type: Sole Owner
Address: 2422 36TH AVENUE SAN FRANCISCO, CA, 94116 San Francisco County
Phone: (415) 661 9140

License Dates

Issued

07/03/1984

Expires

07/31/2026

Expires in 4 months — verify renewal before long contracts

CSLB Last Updated

10/13/2025

License Classifications

C17 C17

Personnel & Officers

SORRENTINO MICHAEL J

Sole Owner

HIC

Active

Contractor Bond

Bonded

Amount: $25,000

Company: HUDSON INSURANCE COMPANY

Bond #30138739

Effective: 06/25/2024

Workers' Compensation

Has policy

Carrier: STATE COMPENSATION INSURANCE FUND

Policy #9018161

Effective: 07/15/2025

Expires: 07/01/2026

CSLB designation: Workers' Compensation Insurance

Complaints & Disciplinary History

No disciplinary actions on file

This reflects CSLB's bulk license data. For detailed complaint history including pending investigations, check the official CSLB record.

Building Permits

Source: LA City Open Data (LADBS)

otc alterations permit

512 Gennessee St, 94127

install in kind replace in kind total (15) windows side back.

filed

otc alterations permit

3625 Ortega St, 94116

replace back bedroom slider to egress operable casement.

filed

otc alterations permit

583 10th Av, 94118

install windows: (4) upfront master bedroom (facing street), (3) bathroom facing side street, (1) back side upstairs

cancelled

otc alterations permit

82 Coleridge St, 94110

install (18) front windows facing steet: replacing windows with marvin windows in kind, troubleshoot and correct dry rot water intrusion, change siding damage & moisture barrier behind old siding. sid

$68,600

2026-01-27

issued

otc alterations permit

3058 25th St, 94110

replace existing windows for front(3), dining(1), kitchen(3), master(2), back bed(2), down family(3),in kind, total 14, replacement with marvin wood/clad windows

$34,154

2025-06-16

issued

otc alterations permit

1937 Filbert St, 94123

instruction from inspector: remove siding and plywood in order to remove windows in order to install new marvin windows that are on site and are permitted. revision to pa #202405242962 replace sinding

$124,800

2024-12-11

issued

otc alterations permit

26 Uranus Tr, 94114

install repace front, back and side windows. total 2 front wood in-kind. back 2 french door, 1 alley door, 2 windows in light well. 3 windows in rear. 2 windows on south side. total 9 windows. all win

$40,000

2024-08-23

issued

otc alterations permit

1937 Filbert St, 94123

replace back windows in kind w/ wood marvin windows. replace any siding from dry rot around windows from water intrusion. total twelve windows. same size. u-factor for all new windos shall not exceed

$48,000

2024-05-24

complete

otc alterations permit

2518 15th Av, 94127

replace both sets of front windows. windows on bay, fixed in middle with two casements. other windows casements. grids on all. wood. windows facing street. no size changes. u-factor for new windows sh

$8,000

2024-05-24

issued

otc alterations permit

220 Castenada Av, 94116

install 14 windows with marvin wood clad windows. front windows: 5. sides: 4. back patio door: 1. dining: 2. kitchen: 2. total: 14 windows.

$36,464

2023-09-25

complete

Showing 10 of 89 permits

Verify this record on the official state licensing board

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