Updated: Jan 03, 2026
Location and Projects
Address
2040 HOFFMAN LANE, Napa, CA, 94558
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Keystone Building Incorporated Landscape Contractor
Keystone Building Incorporated, 2040 Hoffman Ln, Napa, CA (Employee: Owen Lynn) holds a General Building, Landscaping license according to the California license board.
Their BuildZoom score of 100 ranks in the top 13% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Keystone Building Incorporated, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Keystone Building Incorporated Services
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Keystone Building Incorporated Contact Information
Phone Number: (415) 535-4856
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Address: 2040 HOFFMAN LANE, Napa, CA 94558
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Keystone Building Incorporated Napa
Quality
100
87th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Keystone Building Incorporated has a BuildZoom score of 100, which places them above 87% of 336,931 contractors in California.
Activity
|
1 project
|
2025 |
|
3 projects
|
2023 |
Our building permit records indicate that Keystone Building Incorporated has worked on at least
4.0 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
|
$20k-$50k |
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 Keystone Building Incorporated
This is a sample of this contractor's permits. Click here to access their complete permit history.
230sf pergola ontop of exisiting deck
Valuation:
N/A
Permit #:
BDR2504-001
Status:
final
Fee:
$1,516
Permit Type:
New
Building Type:
N/A
Pavers replace fence lights
Valuation:
$48,000
Permit #:
BR23-120
Status:
final
Fee:
$1,808
Permit Type:
Construction only
Building Type:
N/A
Outdoor kitchen with electrical and gas line
Valuation:
N/A
Permit #:
BDR2411-002
Status:
final
Fee:
$637
Permit Type:
New
Building Type:
N/A
Residential - sitework
Valuation:
N/A
Permit #:
B-044889
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Placing a 10 yard (7'x14') dumpster in the street parking
Valuation:
N/A
Permit #:
ENC2022-0237
Status:
issued
Fee:
N/A
Permit Type:
Non utility
Building Type:
N/A
Approximately 580 square feet of impervious pavers
Valuation:
N/A
Permit #:
FLAT2022-0011
Status:
issued
Fee:
$111
Permit Type:
N/A
Building Type:
N/A
Debris box
Valuation:
N/A
Permit #:
EP23-110
Status:
final
Fee:
$190
Permit Type:
Debris storage box
Building Type:
N/A
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Keystone Building Incorporated Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Keystone Building Incorporated License info
Verified License
| License # | 1078372 |
| Status | Active |
| State | California |
| Type | General Building, Landscaping |
| Business Type | Corporation |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for Keystone Building Incorporated at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
100
BuildZoom Score
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Sirius America Insurance Company |
Keystone Building Incorporated Employees
OL
Owen Lynn
Rmo / Ceo / Pres