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
Hiring this contractor?
Get alerts if their license status changes.
You're monitoring this license!
We'll email you if the license status, bond, or complaint history changes.
Something went wrong
Is this your business?
Claim your profile to manage your listing.
Claim request submitted!
We'll be in touch at the email you provided to verify your identity.
Something went wrong
POWERHOUSE BUILDING INC
- License Number
- 797313
- State
- California
- Status
- active
- Business Type
- Corporation
- Address
- P O BOX 457 SAN ANSELMO, CA, 94979 Marin County
- Phone
- (415) 407 9222
License Dates
Issued
07/12/2001
Expires
07/31/2027
Expires in 16 months
CSLB Last Updated
11/18/2025
License Classifications
Personnel & Officers
HYNES PHILIP SERAPHIN
Responsible Managing Officer
HYNES DAVID ANTHONY
Chief Executive Officer/President
Contractor Bond
Amount: $25,000
Company: NORTH RIVER INSURANCE COMPANY (THE)
Bond #04CF618232
Effective: 04/21/2023
Workers' Compensation
Carrier: STATE COMPENSATION INSURANCE FUND
Policy #9372777
Effective: 12/31/2024
Expires: 12/31/2026
CSLB designation: Workers' Compensation Insurance
Complaints & Disciplinary History
This reflects CSLB's bulk license data. For detailed complaint history including pending investigations, check the official CSLB record.
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.
Verify Another Contractor
Homeowner Resources
Other Licensed General Building Contractor in SAN ANSELMO
SAN ANSELMO CONST SERVICE
ROBERT ROLPH GERSTENKORN DBA SAN ANSELMO CONST SERVICE
License #381529 · CA
TEN EYCK HOMES
License #395637 · CA
TRIMBLE CONSTRUCTION
License #405113 · CA
ANSTEY R J BUILDERS
R J ANSTEY BUILDERS
License #410919 · CA
BLICKMAN JOHN CONSTRUCTION
JOHN BLICKMAN CONSTRUCTION
License #421273 · CA