Updated: Mar 18, 2026
Location and Projects
Address
811 HELMAN LANE, Cotati, CA, 94931
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Tarrant Builders Construction
For over 15 years, Tarrant Builders has provided residential construction and remodeling services in Cotati, California, and neighboring communities. The company specializes in custom home builds and whole-house renovations, working with homeowners to create tailored solutions for new construction as well as major remodels. Tarrant Builders manages all phases of the building process, from initial planning and permitting to final finishes. Their portfolio includes kitchen and bathroom remodels, room additions, and exterior upgrades for single-family properties. Operating out of Cotati, Tarrant Builders serves clients throughout Sonoma County, offering expertise in local building codes and materials suited for the region’s climate and architectural styles. The business emphasizes collaboration with homeowners and transparent project management throughout each build.
Tarrant Builders Services
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Tarrant Builders Contact Information
Phone Number: (707) 236-0503
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Address: 811 HELMAN LANE, Cotati, CA 94931
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Tarrant Builders Cotati
Quality
104
91st percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Tarrant Builders has a BuildZoom score of 104, which places them above 91% of 336,931 contractors in California.
Activity
|
2 projects
|
2025 |
|
3 projects
|
2024 |
|
1 project
|
2023 |
Our building permit records indicate that Tarrant Builders has worked on at least
6.0 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.
Experience
|
3 projects
|
Home Additions |
Analyzing permits over the last 4 years shows that Tarrant Builders mostly works on
home addition
projects.
Pricing
|
2 projects
|
$5k-$20k |
|
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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Existing square footage of the barn will not change. no work will be done on the existing trusses or roofing replace siding and trim to match the existing install (9) new windows and (4) new doors repair (100) lineal feet of damaged footing and stem wall to match the existing footing and stem wall detail. pour new interior no bearing slab to match existing concrete slab elevation. ins... see more
Valuation:
N/A
Permit #:
BLD23-2317
Status:
withdrawn
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remove existing deck. building new deck (73 sf) to match the existing size per plans provided rick bolduc 1-23-2025
Valuation:
$9,500
Permit #:
B25-1860
Status:
waiting for applicant
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace all exterior door windows. remove 1 deck replace sliding door with window
Valuation:
$160,000
Permit #:
B2024-0568
Status:
issued
Fee:
$4,978
Permit Type:
Residential
Building Type:
N/A
Remove & replace 900 sq ft of existing t-1-11 siding. all replaced siding will match existing design
Valuation:
$12,000
Permit #:
B2024-1961
Status:
issued
Fee:
$549
Permit Type:
Residential
Building Type:
N/A
700 square feet shear 1/2inch and shingle
Valuation:
N/A
Permit #:
B2102-038
Status:
final
Fee:
$342
Permit Type:
Re-siding single ...
Building Type:
N/A
Remodel/rebuild (e) barn new foundation/rplc roof
Valuation:
N/A
Permit #:
BLD23-7574
Status:
final
Fee:
$2,856
Permit Type:
N/A
Building Type:
N/A
Re-side 2nd unit - with james hardie lap siding
Valuation:
N/A
Permit #:
BLD18-5496
Status:
final
Fee:
$353
Permit Type:
N/A
Building Type:
N/A
Sfd- deck repair replace 355 s. f
Valuation:
N/A
Permit #:
BLD19-4703
Status:
final
Fee:
$649
Permit Type:
N/A
Building Type:
N/A
110.0 sq. ft office space addition
Valuation:
$10,000
Permit #:
B2017-2933
Status:
final
Fee:
$2,100
Permit Type:
Commercial
Building Type:
N/A
Remove (e) windows. install three new milgard vinyl windows to meet egress. replace (4) sheets of siding & window trim
Valuation:
$4,079
Permit #:
BLDG-14-1178
Status:
complete
Fee:
$163
Permit Type:
N/A
Building Type:
N/A
Replace deck boards on existing deck
Valuation:
$1,900
Permit #:
B2016-0223
Status:
final
Fee:
$182
Permit Type:
Res-oss
Building Type:
N/A
As built dual pane windows (11) slider (1);water heater
Valuation:
$10,000
Permit #:
B2012-1255
Status:
final
Fee:
$2,008
Permit Type:
Res-as built
Building Type:
N/A
Repair & replace deck and decking per plans wui
Valuation:
$12,000
Permit #:
B2016-1511
Status:
final
Fee:
$182
Permit Type:
Res-oss
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
EN2011-073EC
Status:
final
Fee:
$290
Permit Type:
N/A
Building Type:
N/A
Nfpa 13d to convert back to residential
Valuation:
N/A
Permit #:
FDFP-2025-0107
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Temp power for construction
Valuation:
$250
Permit #:
ZZZZ-12-1490
Status:
expired
Fee:
$91
Permit Type:
N/A
Building Type:
N/A
Demolish of exterior siding. one layer of horizontal vinyl and one layer of shingles. demolish of (e) windows framing to remain replace window same opening size. siding to be replaced with horizontal james hardy cement board
Valuation:
$13,800
Permit #:
ZZZZ-12-1489
Status:
expired
Fee:
$356
Permit Type:
N/A
Building Type:
N/A
Void - no response to last chance letter - 1/12/16 remove exsisting shower floor; isntall new water barrier and tile on floor
Valuation:
$3,200
Permit #:
BLDG-14-0716
Status:
canceled
Fee:
$223
Permit Type:
N/A
Building Type:
N/A
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Projects
Tarrant Builders Reviews
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Verified License
BuildZoom confirmed this contractor's license
Tarrant Builders License info
Verified License
| License # | 944548 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Tarrant Builders at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
104
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Benchmark Insurance Company |
16
Permits
- Building permit records show that Tarrant Builders has worked on 16 permitted projects.
Tarrant Builders Employees
ST
Shane Thomas Tarrant
Sole Owner