✓

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

California licensing requirements →

🛡️

Hiring this contractor?

Get alerts if their license status changes.

🏢

Is this your business?

Claim your profile to manage your listing.

KARBER BARRETT

Owner: BARRETT KARBER

License Number: 1080500
State: California
Status: active
Business Type: Sole Owner
Address: 1700 OCTAVIA ST 601 SAN FRANCISCO, CA, 94109 San Francisco County
Phone: (580) 744 0077

License Dates

Issued

08/30/2021

Expires

08/31/2027

Expires in 17 months

CSLB Last Updated

07/15/2025

License Classifications

B General Building Contractor

Personnel & Officers

KARBER BARRETT MITCHELL

Sole Owner

Active

Contractor Bond

Bonded

Amount: $25,000

Company: NATIONWIDE MUTUAL INSURANCE COMPANY

Bond #7901203797

Effective: 01/02/2025

Workers' Compensation

Has policy

Carrier: EVEREST PREMIER INSURANCE COMPANY

Policy #7600025585251

Effective: 04/27/2025

Expires: 04/27/2026

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

1200 Mason St, 94108

storefront window replacement & door replacement, exterior work only. ref to t.i. 202510097137

$40,000

filed

additions alterations or repairs

85 05th Av, 94118

renovation & expansion of (e) 1-story sfd into a 2-story 2752sf sfd and 268sf habitable roof open air roof deck. new construction of reinforced foundation and expansion of erection of structure, hards

$950,000

2026-03-16

issued

otc alterations permit

21 18th Av, 94121

rev to pa# 2025-0728-1723: convert (e) storage rooms to (n) den, gym, bathroom, mudroom, laundry & mech room. on 1st fl. rebuild interior stair from fl. 1-2. remove full bath & expand (e) kitchen, add

$220,000

2026-03-11

issued

otc alterations permit

1200 Mason St, 94108

tenant improvement of an existing ground level cafe space for a new coffee shop with no structural revisions. mep defer

$259,000

2026-01-12

issued

otc alterations permit

1428 Lake St, 94118

interior remodel at both levels of an existing 2 story single family home. scope includes new windows & new exterior french door at the rear.

$104,731

2025-11-07

issued

otc alterations permit

2850 Filbert St, 94123

leak found in window sills in primary bedroom. windows must be replaced due to rot. 2 operable casement windows and one picture window. rear facade level 3

$12,000

2025-11-07

complete

otc alterations permit

85 05th Av, 94118

remodel (e) 1 story to demolish and replace in kind the kitchen counter appliance kitchen window, stucco wall finish at kitchen and primary bathroom . no work visible from street.

$250,000

2025-10-03

issued

otc alterations permit

348 Hayes St, 94102

remodel of (e) storefront. no structural. (n) storefront system in (e) openings. (n) internal dividing walls creating 3 (n) rooms for client consultation & reception area. (n) sinks in each room with

$127,000

2025-09-11

issued

otc alterations permit

1200 Mason St, 94108

remove lath & plaster finish of interior wall to expose fixtures and replace in kind.

$6,000

2025-08-14

issued

otc alterations permit

744 Irving St, 94122

ti of (e) space, prior use will match new use. coffee shop includes coffee bar, back of house, seating area, updated finishes throughout. mep deferred.

$200,000

2025-07-22

complete

Showing 10 of 26 permits

Verify this record on the official state licensing board

View on Contractors State License Board (CSLB) →

Learn how to verify contractor licenses in California

California licensing guide →

Data sourced from official state licensing board records. Always confirm critical information directly with the state board.