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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ACE DRILLING & EXCAVATION
- License Number
- 889820
- State
- California
- Status
- active
- Business Type
- Sole Owner
- Address
- 1485 BAYSHORE BLVD NBN 178 SAN FRANCISCO, CA, 94124 San Francisco County
- Phone
- (415) 730 6918
License Dates
Issued
01/20/2007
Expires
01/31/2027
Expires in 10 months
CSLB Last Updated
11/24/2025
License Classifications
Personnel & Officers
O BRIAIN SEOSAMH PADRAIG| O'BRIAIN SEOSAMH
Sole Owner
Contractor Bond
Amount: $25,000
Company: NORTH RIVER INSURANCE COMPANY (THE)
Bond #04CF632537
Effective: 07/17/2025
Workers' Compensation
Carrier: STATE COMPENSATION INSURANCE FUND
Policy #9023505
Effective: 09/01/2012
Expires: 09/01/2026
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.
Building Permits
Source: LA City Open Data (LADBS)
additions alterations or repairs
4545 20th St, 94114
revision to pa 201711214504: altering number and size of soldier piles. altering reinforcing steel in permanent concrete structure.
$1
additions alterations or repairs
2512 Quint St, 94124
adding (2) adu at ground floor. includes (2) studio units per ord #162-16 **maher n/a**
$75,000
otc alterations permit
235 Capitol Av, 94112
install four metal temporary storage units - 8' x 20" x 8' high on existing vacant lot. install fence at front property line.
additions alterations or repairs
0 Unknown, 94102
store heavy equipments on a vacant lot. no structure on lot.
$1
otc alterations permit
68 Cayuga Av, 94112
siding repair/ replacement to wood and windows rreplacement in-kind from vinyl to wood clad for all 4 sides of building.
otc alterations permit
2535 Laguna St, 94115
voluntary stabilization of the neighbor's retaining wall at the back yard of property by installing (e) soil nails
additions alterations or repairs
454 Fair Oaks St, 94110
scope of work includes expanding unit 452 from 2nd fl to the 1st floor & reconfiguring it with 2 beds & two & 1/2 baths,kitchen,dining,library,& living areas,unit 454 reconfigured with 2 beds,3 baths,
$686,443
2025-11-07
otc alterations permit
9 Joy St, 94110
to obtain final inspection for work approved under permit application #202008101491 & 202305127707. all work is complete.
$1
2025-01-14
otc alterations permit
42 Homestead St, 94114
install temporary shoring, consisting of cantilever soldier beams, along the property line of the rear yard of the subject property to allow excavation of construction of new patio as part of the resi
$58,000
2024-10-28
new construction
2011 Filbert St, 94123
to erect 4 stories, no basement, type v-b, 2-unit residence
$1,675,000
2024-05-15
Showing 10 of 232 permits
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