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SIGMA CONSTRUCTION COMPANY

General Building Contractor — MILLBRAE, California

401 PALM AVENUE · MILLBRAE, CA (650) 692 6929
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Record looks clean.

Active General Building Contractor contractor license in California, issued 2015. No open issues on file as of the retrieval date. Covers General Building Contractor in MILLBRAE.

  • Active through 12/31/2027
  • Bonded $25000
  • WC on file
  • No complaints

California state licensing board · retrieved 11/19/2025

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License #1009864 · SIGMA CONSTRUCTION COMPANY

General Building Contractor · MILLBRAE, CA

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The record

License

Number
1009864
Status
active
Issued
12/21/2015
Expires
12/31/2027

Coverage

Contractor bond
$25,000
Bond company
AMERICAN CONTRACTORS INDEMNITY COMPANY
Workers comp
STATE COMPENSATION INSURANCE FUND
Wage bond
$0

Business

County
San Mateo

History

Complaints (3 yrs)
0
Disciplinary
None on file
Permits on file
9
Pending actions
None

Licensed to do

  • B — General Building Contractor

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Disciplinary & complaints

No disciplinary actions on file.

Building permits (9)

Source: LA City Open Data (LADBS)

otc alterations permit

30 Rockwood Ct, 94127

renovation of (e) 2 story residence including reconfiguration of internal stair, addition full bath @ 2nd fl; convertion of 1st fl storage area into habitable space & laundry room; new wood deck @ exi

$350,000

2026-01-15

issued

otc alterations permit

1350 44th Av, 94122

add 1 bedroom and bathroom in (e) garage . to include electrical and plumbing work. all work on the 1st floor.

$80,000

2025-10-21

issued

otc alterations permit

30 Rockwood Ct, 94127

replace 3 existing non permitted windows on east second story with 1 vinyl window. street facing in same opening.

$1,000

2025-09-29

issued

otc alterations permit

30 Rockwood Ct, 94127

in kind kitchen remodel, new cabinets and counter tops. in kind bathroom remodel. no structural changes.

$45,215

2025-09-29

issued

otc alterations permit

30 Rockwood Ct, 94127

remove existing siding on east and north second story and replace with plywood and new siding. approx 380 sqft of area. horizontal siding at the second story - hardi plank

$12,000

2025-09-22

issued

otc alterations permit

531 46th Av, 94121

replace 3 windows in-kind. replace 2 exterior doors in-kind located at back side of house. not visible from the street.

$2,500

2024-12-30

complete

otc alterations permit

1415 Waller St, 94117

unit #4: remove and replace cabinets and countertops w/ kitchen. remove and replace tiles and bathtub in bathroom.

$50,000

2024-09-24

complete

otc alterations permit

101 Castro St, 94114

apt #109: renovate kitchen in-kind- remove and replace cabinets and countertops. install new fixtures. renovate bathroom-remove and replace bathtub and tiles. new fixtures. remove and replace existing

$100,000

2024-08-05

complete

otc alterations permit

804 Stanyan St, 94117

remove and replace siding on back wall of garage that is detarned ~2o'x10'. remove and replace siding on right wall of garage that is deterned ~16'x10'.

$7,000

2024-06-17

complete

Status history

Last updated
11/19/2025

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Official record

Source of record: Contractors State License Board (CSLB). Raw record ID: #1009864

California state licensing board · retrieved 11/19/2025

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Watching SIGMA CONSTRUCTION COMPANY — CA license #1009864