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Updated: Jun 01, 2026
Location and Projects
Address
121 Quint St, San Francisco, CA, 94124
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A3 Pipeline Photos
A3 Pipeline Engineer
Underground Utilities/Pipelines, Excavating/Trenching
From BuildZoom: A3 Pipeline, 121 Quint St, San Francisco, CA holds a General Engineering license and 2 other licenses according to the California license board.
Their BuildZoom score of 107 ranks in the top 6% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring A3 Pipeline, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
A3 Pipeline Services
Start a project today:
Custom Home Build
New Home Construction
Medium Multi-Family New Con...
Other Residential New Const...
Demolition
Sewer Laterals
Paving, Driveways, and Side...
Excavation and Grading
Other Site Work
Seismic Retrofit
Sea Walls
Restaurant New Construction
Retail New Construction
Office Building New Constru...
Industrial New Construction
Hotel New Construction
Warehouse New Construction
Other Commercial New Constr...
Small Multi-Family New Cons...
Modular Home Construction
Large Multi-Family New Cons...
Healthcare Facility New Con...
A3 Pipeline Contact Information
Phone Number: (415) 300-0364
Address: 121 Quint St, San Francisco, CA 94124
A3 Pipeline San Francisco
Quality
107
94th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
A3 Pipeline has a BuildZoom score of 107, which places them above 94% of 336,931 contractors in California.
Activity
|
6 projects
|
2025 |
|
5 projects
|
2024 |
|
4 projects
|
2023 |
Our building permit records indicate that A3 Pipeline has worked on at least
15.0 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.
Pricing
|
2 projects
|
< $5k |
|
3 projects
|
$5k-$20k |
|
1 project
|
$50k-$100k |
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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Scope of work: - septic tank removal- non-buildable - tank is to remain and to be backfilled with sand - property line clean out - sewer lateral * 1/15/25- condition per field coordinator james strom: provide proof of proper venting for laundry and kitchen sink. have under test any new work as a result of reconfiguation
Valuation:
N/A
Permit #:
2024 118087 RS
Status:
issued
Fee:
N/A
Permit Type:
Single-family
Building Type:
N/A
Scope of work: - survey for septic tank removal- non-buildable - tank to be removed and area is to be backfilled with sand see pmt 24-118087 for actual abatement inspections
Valuation:
N/A
Permit #:
2024 117025 RS
Status:
final
Fee:
N/A
Permit Type:
Single-family
Building Type:
N/A
New sewer lateral 70ft from the sewer main to a new cleanout
Valuation:
N/A
Permit #:
ENC2025-0010
Status:
issued
Fee:
$793
Permit Type:
Sewer
Building Type:
N/A
New; installation of water line; 190 of 1 domestic water lines; connect from water meter to adu
Valuation:
$1,000
Permit #:
LPC2024-03309
Status:
expired
Fee:
N/A
Permit Type:
Accessory structu...
Building Type:
N/A
Install new sewer lateral to city main. new wye connection
Valuation:
N/A
Permit #:
ENC2024-0175
Status:
issued
Fee:
$772
Permit Type:
Sewer
Building Type:
N/A
Replacing sewer lateral
Valuation:
$10,000
Permit #:
B23-0502
Status:
issued
Fee:
$269
Permit Type:
Alterations
Building Type:
N/A
Full lateral replacement
Valuation:
N/A
Permit #:
E23-0228
Status:
final
Fee:
$467
Permit Type:
Sewer laterals
Building Type:
N/A
Energy dissipater repair
Valuation:
N/A
Permit #:
PW25-0126
Status:
applied
Fee:
N/A
Permit Type:
Other
Building Type:
N/A
Gas trench
Valuation:
N/A
Permit #:
ENC2022-00200
Status:
final
Fee:
$843
Permit Type:
Private improvement
Building Type:
N/A
Full sewer lateral replace incl building & pl c/outs
Valuation:
N/A
Permit #:
E23-0812
Status:
final
Fee:
$534
Permit Type:
Sewer laterals
Building Type:
N/A
Replace sewer lateral from building c/o to main (b2022-0481)
Valuation:
N/A
Permit #:
TE2023-0041
Status:
final
Fee:
$1,762
Permit Type:
Sewer lateral in ...
Building Type:
N/A
Replacing sewer lateral
Valuation:
$7,000
Permit #:
B23-1492
Status:
issued
Fee:
$187
Permit Type:
In-law unit
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
ENC2024-0140
Status:
final
Fee:
$742
Permit Type:
Sewer
Building Type:
N/A
New 4 fire service - 200 e. tabor ave
Valuation:
$16,000
Permit #:
PW24-00011
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Pge conduit encroachment
Valuation:
$55,000
Permit #:
PW23-00509
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New 6 inc fire service
Valuation:
$1
Permit #:
FIRE2024-0006
Status:
final
Fee:
$867
Permit Type:
Underground servi...
Building Type:
N/A
Replacing sewer lateral
Valuation:
N/A
Permit #:
ENC2022-0278
Status:
final
Fee:
N/A
Permit Type:
Utility underground
Building Type:
N/A
Upper lateral
Valuation:
N/A
Permit #:
P2022-0127
Status:
issued
Fee:
$163
Permit Type:
Residential
Building Type:
N/A
Exploratory excavation
Valuation:
N/A
Permit #:
PW25-0668
Status:
issued
Fee:
N/A
Permit Type:
Street cuts
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
FIRE24-00112
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
A3 Pipeline Reviews
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Verified License
BuildZoom confirmed this contractor's license
A3 Pipeline License info
Verified License
| License # | 1091794 |
| Status | Active |
| State | California |
| Type | General Engineering |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for A3 Pipeline at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 1091794 |
| Status | Active |
| State | California |
| Type | General Engineering |
| Class | A |
- When BuildZoom last verified this license, it had an expiration date of May, 2026. Check the current license status of A3 Pipeline with the California Contractors State License Board
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 1091794 |
| Status | Active |
| State | California |
| Type | General Engineering |
| Class | A |
- When BuildZoom last verified this license, it had an expiration date of May, 2026. Check the current license status of A3 Pipeline with the California Contractors State License Board
This is a sample of licensing data; click here to access a complete history.
107
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $25,000 |
Insured
| Workers Comp Provider | Workers' Compensation History |
14
Permits
- Building permit records show that A3 Pipeline has worked on 14 permitted projects.