Updated: Mar 01, 2026
Location and Projects
Address
PO BOX 454, Lagunitas, CA, 94938
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Westport Construction
Westport Construction, Lagunitas, Po Box 454, Lagunitas, CA (Employee: Mark Michael Boylan) holds a General Building license according to the California license board.
Their BuildZoom score of 93 ranks in the top 27% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Westport Construction, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Westport Construction Services
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Westport Construction Contact Information
Phone Number: (415) 846-4086
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Address: PO BOX 454, Lagunitas, CA 94938
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Westport Construction Lagunitas
Quality
93
73rd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Westport Construction has a BuildZoom score of 93, which places them above 73% of 336,931 contractors in California.
Activity
|
4 projects
|
2025 |
|
1 project
|
2024 |
Our building permit records indicate that Westport Construction has worked on at least
5.0 projects over the past 2 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 |
|
2 projects
|
$20k-$50k |
|
1 project
|
$50k-$100k |
|
1 project
|
$250k-$500k |
The typical size of their permits is approximately $42,300. 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 Westport Construction
This is a sample of this contractor's permits. Click here to access their complete permit history.
Prop h: tenant improvement of 1942 sf to combine two tenant spaces (5901 and 5909 geary) for new bakery. change of occupancy from a-2 restaurant to b occupancy bakery no change to the other occupant spaces of building
Valuation:
$443,560
Permit #:
202309297732
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
05 - food/beverag...
Renovation of kitchen. electrical and plumbing as required
Valuation:
$70,000
Permit #:
B2502-021
Status:
final
Fee:
$3,584
Permit Type:
Alter-sfd
Building Type:
N/A
Interior stair reconfiguration on single family dwelling. convert e family room to bedroom 1st fl. addition foyer at 1st fl no windows or facade changes
Valuation:
$40,000
Permit #:
202412036032
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Demolish existing non-structural partitions and non-structural ceiling joists. ab-17
Valuation:
$20,000
Permit #:
202509115132
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
15 - retail sales
Install ada compliant electric door opener on 3/0 entry door abe 201901094125
Valuation:
$4,800
Permit #:
202212289261
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
05 - food/beverag...
Deck repair
Valuation:
$44,600
Permit #:
B2025-01401
Status:
issued
Fee:
$920
Permit Type:
N/A
Building Type:
N/A
New manufacture home on a permanent foundation wit h additio
Valuation:
N/A
Permit #:
99322
Status:
final
Fee:
N/A
Permit Type:
Single family
Building Type:
N/A
Remodel kitchen and hall bathroom
Valuation:
$50,000
Permit #:
AP00-2606
Status:
approved
Fee:
$1,389
Permit Type:
N/A
Building Type:
N/A
W/99322
Valuation:
N/A
Permit #:
100446
Status:
final
Fee:
N/A
Permit Type:
Grading only
Building Type:
N/A
Admin. change to addition 233 west portal to pa#2025-0911-5132
Valuation:
$1
Permit #:
202510177580
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
15 - retail sales
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BZ Score
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Avg Project
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Projects
Westport Construction Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Westport Construction License info
Verified License
| License # | 910915 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for Westport Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
93
BuildZoom Score
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $25,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
8
Permits
- Building permit records show that Westport Construction has worked on 8 permitted projects.
Westport Construction Employees
MB
Mark Michael Boylan
Sole Owner