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Updated: Mar 02, 2026
Location and Projects
Address
1485 Bayshore Blvd Nbn 178, San Francisco, CA, 94124
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Ace Drilling and Excavation Engineer
Ace Drilling and Excavation, 1485 Bayshore Blvd, San Francisco, CA (Employee: Seosamh Patrick O Briain) holds a General Engineering, General Building license and 8 other licenses according to the California license board.
Their BuildZoom score of 111 ranks in the top 4% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Ace Drilling and Excavation, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Ace Drilling and Excavation Services
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Ace Drilling and Excavation Contact Information
Phone Number: (415) 740-9260
Address: 1485 Bayshore Blvd Nbn 178, San Francisco, CA 94124
Ace Drilling and Excavation San Francisco
Quality
111
96th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Ace Drilling and Excavation has a BuildZoom score of 111, which places them above 96% of 336,931 contractors in California.
Activity
|
6 projects
|
2025 |
|
10 projects
|
2024 |
|
12 projects
|
2023 |
Our building permit records indicate that Ace Drilling and Excavation has worked on at least
28.0 projects over the past 3 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Experience
|
5 projects
|
Home Additions |
|
3 projects
|
Commercial Renovations |
Analyzing permits over the last 4 years shows that Ace Drilling and Excavation mostly works on
home addition
and commercial renovation
projects.
Pricing
|
4 projects
|
< $5k |
|
3 projects
|
$5k-$20k |
|
2 projects
|
$20k-$50k |
|
2 projects
|
$50k-$100k |
|
3 projects
|
$100k-$250k |
|
1 project
|
$250k-$500k |
|
2 projects
|
$500k-$1mil |
|
4 projects
|
$1mil+ |
The typical size of their permits is approximately $58,000. This graph shows the distribution of these job values.
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
Building Permits by Ace Drilling and Excavation
This is a sample of this contractor's permits. Click here to access their complete permit history.
Vertical & horizontal addition of (e) 2-unit building. addition 1-car garage. interior remodel. mep under separate permit. deferred submittals: whole house fire sprinklers/fire alarm under separate permit per sfbc 2015. provide nfpa-13r for (n) space & rated egres per fs-05
Valuation:
$1,350,000
Permit #:
201908068024
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Foundation replacement at (e) basement. excavate for 8ft ceilihg ht. new rear patio and stairs. revision to pa 202306260858- field changes to drilled piers and relocate gas meter
Valuation:
$150,000
Permit #:
202407297467
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Interior remodel of an extg 2 story over basement duplex. remodel interior and expand lower 1 bedroom unit at first floor to basement level. remodel upper 2nd fl unit. no exterior changes
Valuation:
$236,335
Permit #:
202207057766
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
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 residential remodel
Valuation:
$58,000
Permit #:
202410213380
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Relocate lower unit to gr fl(2 bedroom kitchen living room 1 full bathroom laundry).2nd unit: 2nd fl 3 bdrms 2 full bathroom laundry infill lightwell 3rd fl: kitchen living room office powder room, infill lightwell. 4th fl: dormers workout room storage full bathroom. decks at rear skylights
Valuation:
$600,000
Permit #:
201911268201
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Excavate basement & 1st floor with building envelope addition office & 1/2 bathroom to basement. create deck at rear of 2nd floor relocate two bedrooms to 1st floor. remodel ktichen & bathrooms new stair. no change to building envelope or front facade
Valuation:
$277,000
Permit #:
201705096085
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Erect a four-story above-grade one-story below-grade type 5-a two family dwellings (r-3). sprinklers to nfpa-13r on deferred submittal
Valuation:
$1,500,000
Permit #:
201701036443
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
To obtain final inspection for work approved under permit application #202008101491 & 202305127707. all work is complete
Valuation:
$100,000
Permit #:
202501148306
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Erect a 2 story 2 dwelling building with 1 basement type vb
Valuation:
$1,596,398
Permit #:
202307142209
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Remodel 1st fl. addition 2 bedrooms den 1 full bathroom & media room relocate existing stair to connect 1st fl to 2nd fl. lower (e) rear yard to create (n) hardscape. windows to be alum wood clad
Valuation:
$250,000
Permit #:
201910316030
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Per eo 107951e partial demolish to include removal of all wood framed portions of the building. this includes the ground floor and the upper two floors. the basement (slab & walls) along with the foundation will remain. sequencing & monitoring of the demolition will be performed by a qualified
Valuation:
$285,000
Permit #:
201602260688
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Revision to pa 201711214504: altering number and size of soldier piles. altering reinforcing steel in permanent concrete structure
Valuation:
$1
Permit #:
202403258509
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
To erect 4 stories no basement 6 units residential with commercial building
Valuation:
$3,455,948
Permit #:
200809262781
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Excavate down to new patio & basement level from extg back yard & basement level sequentially using hand dug pits as per the demolition & sequencing plan. form new patio & basement level walls & foundation which are to extend up to extg basement level walls. ref app#201907236623
Valuation:
$75,000
Permit #:
201910215065
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Reference exprired permit#200709284086-s. horizontal and vertical addition to single family home with interior remodel lower garage floor. replace 8 wood windows at front in kind and restore wood siding to facade
Valuation:
$600,000
Permit #:
201702109195
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Temporary shoring excavation and grading to prepare site for future construction under pa 201804136335
Valuation:
$450,000
Permit #:
201907267068
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
26 - misc group r...
Install soldier piles and frbe board shoring system with temporary railing at sidewalk to accommodate excavation for new basement to 10'-6 max dept at bottom of excavation. excavate and remove approx 3000 cy yds soil. provide temp de watering system if req. maher
Valuation:
$600,000
Permit #:
201709016798
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Temporary earth shoring system to accomodate foundation construction. shoring consists of soldier beams pressure treated lagging and internal braces
Valuation:
$175,000
Permit #:
202009013079
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Renovation & addition to existing single family residence incl vertical addition to create a 3rd living level & horizontal extension at the rear. nfpa 13r sprinkler system throughout entire building to be provided under separate permit
Valuation:
$600,000
Permit #:
201302079660
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Vertical & horizontal additions to include: basement- entry elevator wine room garage. 1st floor - (4) bdrms (3) baths laundry. 2nd fl - living dining kitchen 1/2 bathroom decks. 3rd fl - family room office bathroom & deck
Valuation:
$759,000
Permit #:
201802232056
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Ace Drilling and Excavation Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Ace Drilling and Excavation License info
Verified License
| License # | 1074246 |
| Status | Active |
| State | California |
| Type | General Engineering, General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Ace Drilling and Excavation at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 889820 |
| Status | Active |
| State | California |
| Type | General Engineering, General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Ace Drilling and Excavation at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 889820 |
| Status | Active |
| State | California |
| Type | General Engineering, General Building |
| Class | A, B |
| Business Type | Sole Ownership |
- BuildZoom has not verified this license since March, 2025.
Verify this license's status for Ace Drilling and Excavation at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 889820 |
| Status | Active |
| State | California |
| Type | General Engineering, General Building |
| Class | A, B |
| Business Type | Sole Ownership |
- BuildZoom has not verified this license since March, 2025.
Verify this license's status for Ace Drilling and Excavation at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 1074246 |
| Status | Inactive |
| State | California |
| Type | General Engineering, General Building |
| Class | A, B |
| Business Type | Sole Ownership |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Ace Drilling and Excavation at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 105629 |
| Status | Inactive |
| City | South San Francisco |
| Type | Contractor |
| Business Type | Sole Ownership |
- According to the The City of South San Francisco, CA, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Ace Drilling and Excavation at the The City of South San Francisco, CA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 105629 |
| Status | Inactive |
| City | South San Francisco |
| Type | Contractor |
| Business Type | Sole Ownership |
- According to the The City of South San Francisco, CA, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Ace Drilling and Excavation at the The City of South San Francisco, CA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 0506 |
| Status | Inactive |
| City | San Carlos |
| Business Type | Sole Ownership |
- According to the The City of San Carlos, CA, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Ace Drilling and Excavation at the The City of San Carlos, CA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 0506 |
| Status | Inactive |
| City | San Carlos |
| Business Type | Sole Ownership |
- According to the The City of San Carlos, CA, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Ace Drilling and Excavation at the The City of San Carlos, CA.
This is a sample of licensing data; click here to access a complete history.
111
BuildZoom Score
Insured
| Insurer | State Compensation Insurance Fund |
Bonded
| Bonded Agent | Hudson Insurance Company |
| Bond Value | $12,500 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
196
Permits
- Building permit records show that Ace Drilling and Excavation has worked on 196 permitted projects.
Ace Drilling and Excavation Employees
SB
Seosamh Patrick O Briain
Sole Owner