Updated: Nov 20, 2025
Location and Projects
Address
10 WILLOW STREET #10, Mill Valley, CA, 94941
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Mariner Builders Construction
Mariner Builders Inc, 10 Willow St, Mill Valley, CA (Employees: Conrad Carl Weissensee Jr, Gary Michael Phillips, and Patricia Marie Phillips) holds a General Building license and 1 other 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 Mariner Builders Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Mariner Builders Inc Services
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Mariner Builders Inc Contact Information
Phone Number: (415) 271-3557
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Address: 10 WILLOW STREET #10, Mill Valley, CA 94941
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Mariner Builders Inc Mill Valley
Quality
93
73rd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Mariner Builders Inc has a BuildZoom score of 93, which places them above 73% of 336,931 contractors in California.
Activity
|
1 project
|
2023 |
Our building permit records indicate that Mariner Builders Inc has worked on at least
1.0 project 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
|
$1mil+ |
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.
New single family dwelling
Valuation:
$1,500,000
Permit #:
BR17-144
Status:
issued
Fee:
$23,033
Permit Type:
New single family...
Building Type:
N/A
Remove existing tub replace with new shower new vanity new the surround in shower and new tile floor. new shower valves and new sink faucet. no lighting change no doors walls windows under this permit
Valuation:
$12,677
Permit #:
201302130147
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
5 lights 4 switches 7 receptacles 2 circuits. gas forced air heating system circuit & misc lights & outlets as part of build-out of lower floor. apl 200311039218 permit # 1009862. unit b
Valuation:
N/A
Permit #:
E200312086475
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Converting utility room to bathroom
Valuation:
N/A
Permit #:
E1608-009
Status:
final
Fee:
$102
Permit Type:
Alter-sfd
Building Type:
N/A
Install new shower valve install toilet sink faucet in vanity
Valuation:
$0
Permit #:
PP20130213260
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Move less plubs and addition 1 plug 2 receptacles
Valuation:
$0
Permit #:
E201302138596
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Revision to pa#2013-02-13-0147. new laundry room
Valuation:
$1,500
Permit #:
201303071710
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Converted: accessory dwelling of 308 sq. ft. & retaining wal
Valuation:
$100,000
Permit #:
B-CN2003-579
Status:
issued
Fee:
$2,668
Permit Type:
Residential
Building Type:
N/A
Installation of one shower pan only
Valuation:
$0
Permit #:
PP20130417016
Status:
COMPLETE
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Converting utility room to bathroom
Valuation:
N/A
Permit #:
B1608-034
Status:
final
Fee:
$469
Permit Type:
Alter-sfd
Building Type:
N/A
Install new shower valve install toilet sink faucet in vanity
Valuation:
N/A
Permit #:
PP20130213260
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Converting utility room to bathroom
Valuation:
N/A
Permit #:
P1608-017
Status:
final
Fee:
$102
Permit Type:
Alter-sfd
Building Type:
N/A
Converting utility room to bathroom
Valuation:
N/A
Permit #:
M1608-012
Status:
final
Fee:
$102
Permit Type:
Alter-sfd
Building Type:
N/A
Building. appl. #2003/11/03/9218 - installation of gas forced air heating system for 2 floor single family dwelling as part of lower floor build-out
Valuation:
N/A
Permit #:
447966
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
N&o - demolish illegal unit
Valuation:
N/A
Permit #:
B1201-046
Status:
final
Fee:
$197
Permit Type:
Alter-apartments
Building Type:
N/A
Bathroom change doors
Valuation:
$2,200
Permit #:
RYY13-885
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installation of one shower pan only
Valuation:
N/A
Permit #:
PP20130417016
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Termiter repair - items 2b and 9b. shower valve
Valuation:
N/A
Permit #:
BIRP10-004581
Status:
final
Fee:
$202
Permit Type:
N/A
Building Type:
N/A
Addition of masterbedroom-second floor
Valuation:
N/A
Permit #:
P0504-074
Status:
final
Fee:
$52
Permit Type:
Alter-res
Building Type:
N/A
Kitchen remodel (cabinets only)
Valuation:
N/A
Permit #:
B1607-040
Status:
final
Fee:
$427
Permit Type:
Alter-sfd
Building Type:
N/A
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Mariner Builders Inc Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Mariner Builders Inc License info
Verified License
| License # | 905103 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Corporation |
- BuildZoom verified this license was active as of November 2025.
Verify this license's status for Mariner Builders Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 515973 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Corporation |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Mariner Builders Inc 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 | Suretec Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
13
Permits
- Building permit records show that Mariner Builders Inc has worked on 13 permitted projects.
Mariner Builders Inc Employees
CJ
Conrad Carl Weissensee Jr
Rmo / Ceo / Pres
GP
Gary Michael Phillips
Rmo / Ceo / Pres
PP
Patricia Marie Phillips
Officer