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BLOCK12 CONSTRUCTION

General Building Contractor — SAN FRANCISCO, California

1225 4TH ST #517 · SAN FRANCISCO, CA (415) 508 4220
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Record looks clean.

Active General Building Contractor contractor license in California, issued 2017. No open issues on file as of the retrieval date. Covers General Building Contractor in SAN FRANCISCO.

  • Active through 02/29/2028
  • Bonded $25000
  • WC on file
  • No complaints

California state licensing board · retrieved 01/13/2026

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License #1033146 · BLOCK12 CONSTRUCTION

General Building Contractor · SAN FRANCISCO, CA

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The record

License

Number
1033146
Status
active
Issued
11/20/2017
Expires
02/29/2028

Coverage

Contractor bond
$25,000
Bond company
NORTH RIVER INSURANCE COMPANY (THE)
Workers comp
INSURANCE COMPANY OF THE WEST
Wage bond
$0

Business

County
San Francisco

History

Complaints (3 yrs)
0
Disciplinary
None on file
Permits on file
35
Pending actions
None

Licensed to do

  • B — General Building Contractor

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Disciplinary & complaints

No disciplinary actions on file.

Building permits (35)

Source: LA City Open Data (LADBS)

otc alterations permit

88 King St, 94107

unit #1305, in-kind interior remodel. new interior finishes, new kitchen counter, wd laundry relocation- move 4ft, (e) ventless dryer, new plugs switches. no structural changes. new hardwood flooring

$50,000

2026-03-09

issued

otc alterations permit

990 Bay St, 94109

unit# 207 - revision to pa #2025-1030-8561: kitchen and bath remodel. removal of interior partition walls non structural.

$10,000

2026-01-28

issued

otc alterations permit

89 Ashbury Tr, 94117

2x bathroom remodel to include replace (e) switches, plugs, fixtures with new fixtures, no wall removal or layout change. all like for like

$56,400

2026-01-15

issued

otc alterations permit

990 Bay St, 94109

revision to pa #2025-1030-8563: kitchen and bath remodel. removal of interior partition walls non structural.

$12,000

2026-01-14

issued

otc alterations permit

990 Bay St, 94109

unit 207-in kind kitchen and bath remodel . no structural changes. (n) electrical plugs, switches, fixtures, (n) plumbing fixtures and applicances, lightings shall comply with cenc 1605 (a)

$75,000

2025-10-30

issued

otc alterations permit

990 Bay St, 94109

unit 304-in kind kitchen and bath remodel . no structural changes. (n) electrical plugs, switches, fixtures, (n) plumbing fixtures and applicances, lightings shall comply with cenl 160.5 (a)

$75,000

2025-10-30

issued

otc alterations permit

2118 40th Av, 94116

in kind kitchen and (2) bath remodel (n) plumbing and electrical fixtures, appliances. no structrual or wall changes.

$150,000

2025-08-20

issued

additions alterations or repairs

1460 Golden Gate Av, 94115

phase ii construction of 2 adu's per ordinance no. 162-16 for units c & d. reference permit no. 2019-0823-9650 r1 for phase i units a & b.

$432,000

2025-07-31

issued

otc alterations permit

595 Alabama St, 94110

construction of 1 partial height wall. installation of 1 traffic gate. new seating and tables. refinish floor in area of work. legalize the e roll down doors along the alabama st and 18th frontages un

$12,500

2025-07-21

issued

otc alterations permit

595 Alabama St, 94110

demolish bar, back bar, fixtures and shelves. disconnect and cap all utilities in place. ab-17 soft demo only.

$20,000

2025-05-01

complete

Showing 10 of 35 permits

Status history

Reissued
02/12/2018
Last updated
01/13/2026

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Official record

Source of record: Contractors State License Board (CSLB). Raw record ID: #1033146

California state licensing board · retrieved 01/13/2026

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Watching BLOCK12 CONSTRUCTION — CA license #1033146