✓

License is active

Source: Contractors State License Board (CSLB)

✓

Licensed

Current and in good standing

✓

Bonded

$25,000 surety bond

✓

WC exempt

No employees — exempt from requirement

✓

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.

BUILDING ALCHEMY

DBA: VINSON TIMOTHY S

Owner: TIMOTHY S VINSON DBA BUILDING ALCHEMY

License Number: 620657
State: California
Status: active
Business Type: Sole Owner
Address: 124 FERNWOOD DR SAN RAFAEL, CA, 94901 Marin County
Phone: (415) 272 8756

License Dates

Issued

05/23/1991

Expires

05/31/2027

Expires in 14 months

CSLB Last Updated

05/16/2025

License Classifications

B General Building Contractor

Personnel & Officers

VINSON TIMOTHY SAMUEL| VINSON TIM S

Sole Owner

HIC

Active

Contractor Bond

Bonded

Amount: $25,000

Company: WESTERN SURETY COMPANY

Bond #66888584

Effective: 04/14/2024

Workers' Compensation

Exempt

Owner/officer with no employees — exempt from WC requirement

CSLB designation: Exempt

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

838 York St, 94110

kitchen remodel with new cabinet. relocate sink from pantry to kitchen.

$36,123

2026-03-24

issued

otc alterations permit

834 York St, 94110

relocate kitchen sink from pantry to kitchen. add sink cabinet.

$12,000

2026-03-24

issued

otc alterations permit

601 04th St, 94107

unit 315 - bathroom remodel

$35,000

2026-02-27

issued

additions alterations or repairs

153 Duboce Av, 94103

create of a state adu(153a duboce ave)by dedicating the 1st story of current 2 story unit to an adu.create distinct entry to new adu,from 2nd story main entry.

$97,118

2024-12-11

complete

otc alterations permit

155 Duboce Av, 94103

renovate 4 full bathrooms like for like including replacing & repairing tile, toilet & vanity. replace 6 upper unit street facing windows (al-cl-wd)

$83,000

2024-07-15

complete

otc alterations permit

155 Duboce Av, 94103

kitchen remodel unit 153 and 155 duboce street. enlarged door opening and add sink for both units.

$48,000

2024-05-30

complete

otc alterations permit

346 01st St, 94105

unit # 109: replace in kind small kitchen - new cabinets, counter, dish washer, stove. no structural.

$15,000

2021-03-08

complete

otc alterations permit

2339 37th Av, 94116

add 2 bedrooms and 2 full bathrooms,1 laundry room on (e) ground floor

$118,200

2019-03-05

issued

otc alterations permit

2921 Washington St, 94115

kitchen remodel, no structural work

$72,000

2016-03-31

complete

otc alterations permit

29 Park Hill Av, 94117

interior kitchen remodel: interior remodel to master bath, no changes to hvac,no structural no change to building envelope-replace existing fixtures with new same location, interior remodel of master

$90,000

2016-01-27

complete

Showing 10 of 25 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.