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
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
VITRUVIUS' HAMMER
- License Number
- 850489
- State
- California
- Status
- active
- Business Type
- Sole Owner
- Address
- 2030 UNION STREET STE 206 SAN FRANCISCO, CA, 94123 San Francisco County
- Phone
- (415) 794 3465
License Dates
Issued
12/01/2004
Expires
12/31/2026
Expires in 9 months
CSLB Last Updated
01/02/2025
License Classifications
Personnel & Officers
PHELAN LANCE ROBERT
Sole Owner
Contractor Bond
Amount: $25,000
Company: NORTH RIVER INSURANCE COMPANY (THE)
Bond #04CF626070
Effective: 04/01/2024
Workers' Compensation
Owner/officer with no employees — exempt from WC requirement
CSLB designation: Exempt
Complaints & Disciplinary History
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
9 Bache St, 94110
replace 17 windows with marvin al clad double hung ( all like for like) same size. note: 2nd floor front bedroom 5.4 s.f. egress ok.
$16,000
2006-06-19
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 FRANCISCO
FORTIFIED FORMATION INC
License #1106025 · CA
TAILWIND CONSTRUCTION INC
License #1106072 · CA
LIANG JUN JIONG
JUN JIONG LIANG
License #1106402 · CA
BROTHERHU BUILDERS CONSTRUCTION INC
License #1106531 · CA
GOLDEN HOUSING CONSTRUCTION INC
License #1106555 · CA