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License is active

Source: Contractors State License Board (CSLB)

Licensed

Current and in good standing

Bonded

$25,000 surety bond

Insured

Workers' comp coverage on file

Clean record

No complaints or disciplinary actions

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HERLING CONSTRUCTION

License Number
831004
State
California
Status
active
Business Type
Sole Owner
Address
4168 23RD STREET SAN FRANCISCO, CA, 94114 San Francisco County
Phone
(415) 377 3674

License Dates

Issued

01/15/2004

Expires

01/31/2028

Expires in 22 months

CSLB Last Updated

12/18/2025

License Classifications

B General Building Contractor

Personnel & Officers

HAMMATT JOHN

Sole Owner

B
Active

Contractor Bond

Bonded

Amount: $25,000

Company: WESTERN SURETY COMPANY

Bond #67319744

Effective: 01/14/2025

Workers' Compensation

Has policy

Carrier: STATE COMPENSATION INSURANCE FUND

Policy #9382102

Effective: 06/11/2025

Expires: 06/11/2026

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

638 Castro St, 94114

rev. to 2017 1130 5144 - remove non-structural wall and doors.

$1

cancelled

otc alterations permit

4168 23rd St, 94114

replace rotted casings and sill with same molding - same size and location at front to match (e). replace rotted facia on gable at front - same size and location to match (e). replace (6) double hung

$15,000

2025-12-05

issued

otc alterations permit

229 Bonview St, 94110

revision to permit 202206247014. modify guardrail detail.

$1

2024-11-19

complete

otc alterations permit

1524 Guerrero St, 94110

revision to 202302152014: interior stair layout change. bath layout change. kitchen layout change. added door at exit passageway. no exterior work, no plumbing fixture count change

$1

2024-09-13

issued

otc alterations permit

1524 Guerrero St, 94110

interior remodel of lower 2 floors, including kitchen and baths, new stair connecting 1/f and 2/f. new windows on all 3 levels, new hvac and electrical as required, 2 new skylights at 3/f.

$394,000

2023-03-31

issued

otc alterations permit

229 Bonview St, 94110

convert 575 sf of garage to conditioned space & replace int stair. replace foundation. demolish existing deck stair to upper deck. replace windows & doors @ rear. 3 new skylilghts. replace in-kind les

$150,000

2022-08-30

complete

otc alterations permit

159 Commonwealth Av, 94118

remove existing stucco & sheathing at south side driveway. install insulation new sheathing new stucco same existing. install 3 new sets of wood window sashes same existing. south side driveway instal

$18,000

2022-03-17

complete

otc alterations permit

2626 Union St, 94123

existing top fl. apartment - renovate (e) kitchen, alter ceiling at hall, bedroom, and kitchen

$30,000

2022-02-02

complete

otc alterations permit

159 Commonwealth Av, 94118

replace two sets of window sashes to existing windows due to rot, same size, same location, wooden windows. not street facing.

$1,500

2021-11-30

complete

otc alterations permit

452 Alvarado St, 94114

interior work- widen & raise ht on 3 doorways-provide (n) posts & headers. remove 2 windows at rear facade & replace w/ 1 single larger window. (n) window not street visable.

$4,000

2021-01-11

issued

Showing 10 of 73 permits

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