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
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A - ONE CONSTRUCTION
DBA: A - 1 ROOF MANAGEMENT AND CONSTRUCTION INC
- License Number
- 929384
- State
- California
- Status
- active
- Business Type
- Corporation
- Address
- 45847 WARM SPRINGS BLVD FREMONT, CA, 94539 Alameda County
- Phone
- (510) 347 5400
License Dates
Issued
03/03/2009
Expires
05/31/2027
Expires in 14 months
Inactivated
03/03/2009
Reactivated
05/29/2009
CSLB Last Updated
02/20/2026
License Classifications
Personnel & Officers
TRIPHON ANDREW JACOB
Responsible Managing Officer/Chief Executive Officer/President
Contractor Bond
Amount: $25,000
Company: PHILADELPHIA INDEMNITY INSURANCE COMPANY
Bond #PB11510500102
Effective: 01/01/2023
Workers' Compensation
Carrier: PRAETORIAN INSURANCE COMPANY
Policy #P0014MP261917204C
Effective: 02/05/2025
Expires: 02/05/2027
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.
Building Permits
Source: LA City Open Data (LADBS)
otc alterations permit
1100 Lake Merced Bl, 94132
monument sign at entry drive - dig the footing, install rebar and concrete with rebar stubbed up for cinder blocks, install concrete cinder blocks, rebar and fill with concrete, apply 3 coat stucco sy
otc alterations permit
1150 Lombard St, 94109
podium repairs, planter & drain repair, stucco cladding repairs, stair tread repairs, power repairs (to common area)
$207,057
otc alterations permit
344 Ellis St, 94102
reroofing: tear off (e) roof system down to the plywood substrate. install new app certainteed bur system. hot works.
$110,000
2025-11-12
otc alterations permit
3543 18th St, 94110
reroofing: clean & brush the roof surface for proper adhesion, apply asc primer to roof surface, apply asc silicone to the roof surface, broadcast granules onto wet silicone. no hot works.
$66,250
2025-11-12
otc alterations permit
1150 Ocean Av, 94112
repair damaged stucco, corners, expansion joints. install new lath & stucco; paint. street visible. to comply with nov #202542019. all repairs in kind. approx 2,500 sq ft.
$85,900
2025-08-25
otc alterations permit
3315 Fillmore St, 94123
reroofing
$73,887
2024-05-24
otc alterations permit
3309 Fillmore St, 94123
re-roofing
$73,888
2024-05-24
otc alterations permit
323 Octavia St, 94102
at (e) apartment complex, increase heights of (e) steel fences at all the entry to prevent breaches and burglaries.
$90,000
2024-02-29
otc alterations permit
1661 Mission St, 94103
reroofing. total of 60 sf, less than 50% of area.
$56,838
2023-11-07
otc alterations permit
2600 18th St, 94110
replacing 14 squares of siding (stucco), trim and paint at front. replacing new pan flashing under each windows. siding is stucco.
$53,109
2023-09-18
Showing 10 of 164 permits
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