Updated: May 11, 2026
Location and Projects
Address
7630 Sierra Dr, Granite Bay, CA, 95746
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A1 Building Contractors Construction
A1 Building Contractors LLC, 7630 Sierra Dr, Granite Bay, CA (Employee: Andrew Phillip Lowell) holds a General Building license according to the California license board.
Their BuildZoom score of 106 ranks in the top 7% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring A1 Building Contractors LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
A1 Building Contractors LLC Services
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A1 Building Contractors LLC Contact Information
Phone Number: (916) 847-1671
Address: 7630 Sierra Dr, Granite Bay, CA 95746
A1 Building Contractors LLC Granite Bay
Quality
106
93rd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
A1 Building Contractors LLC has a BuildZoom score of 106, which places them above 93% of 336,931 contractors in California.
Activity
|
2 projects
|
2025 |
|
1 project
|
2023 |
Our building permit records indicate that A1 Building Contractors LLC has worked on at least
3.0 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
|
1 project
|
$5k-$20k |
|
1 project
|
$50k-$100k |
|
1 project
|
$100k-$250k |
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 A1 Building Contractors LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
New building addition adu (not a garage conversion) deck patio cover garage barn ground mount solar
2025-10-23
New accessory dwelling unit model c elderberry (1000) s.f single story (104) s.f. entry porch (134) s.f. rear covered attached patio
Valuation:
$220,000
Permit #:
CBNR2025-01064
Status:
plan review result
Fee:
$355
Permit Type:
N/A
Building Type:
N/A
Epc - new 570 sq ft garage with bathroom. separate wrecking permit to be issued for the existing garage
Valuation:
$75,000
Permit #:
RES-2517395
Status:
issued
Fee:
$2,445
Permit Type:
N/A
Building Type:
N/A
Kitchen/bath remodels. house alterations. convert existing to adu
2023-03-21
Replace existing vanity shower lighting fan and flooring excluding toilet install light sensor switch as required by county
Valuation:
$12,300
Permit #:
CBAR2023-00102
Status:
complete
Fee:
$337
Permit Type:
Minor alteration ...
Building Type:
N/A
A1 Building Contractors LLC Reviews
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Verified License
BuildZoom confirmed this contractor's license
A1 Building Contractors LLC License info
Verified License
| License # | 1094366 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for A1 Building Contractors LLC at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
106
BuildZoom Score
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Norguard Insurance Company |
A1 Building Contractors LLC Employees
AL
Andrew Phillip Lowell
Sole Owner