Updated: Jul 02, 2026
Location and Projects
Address
5100 1B CLAYTON ROAD #162, Concord, CA, 94521
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Sinclair Construction Co Inc
Serving Concord, CA and neighboring communities, Sinclair Construction Co Inc specializes in residential remodeling projects. The company is led by owner Jamison Sinclair, who brings over 18 years of personal experience in the construction industry. Sinclair Construction focuses on transforming existing houses into customized homes, working closely with homeowners, architects, and contractors to ensure each project reflects the needs and vision of the client. The company emphasizes a collaborative project management style, promoting teamwork among all stakeholders. Sinclair Construction handles a range of home renovation services, drawing on artisan-level building skills throughout each phase of construction. The firm's operations are guided by ethical standards and a respect for the building trades.
Sinclair Construction Co Inc Services
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Sinclair Construction Co Inc Contact Information
Phone Number: (925) 672-4401
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Address: 5100 1B CLAYTON ROAD #162, Concord, CA 94521
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Sinclair Construction Co Inc Concord
Quality
109
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Sinclair Construction Co Inc has a BuildZoom score of 109, which places them above 95% of 336,931 contractors in California.
Activity
|
2 projects
|
2025 |
|
2 projects
|
2024 |
Our building permit records indicate that Sinclair Construction Co Inc has worked on at least
4.0 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
|
$50k-$100k |
|
2 projects
|
$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 Sinclair Construction Co Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Barn & covered porch w pe
Valuation:
$180,000
Permit #:
B25-018405
Status:
final
Fee:
$3,854
Permit Type:
N/A
Building Type:
N/A
Replace existing single pane windows exterior doors and skylights using existing openings. no changes to existing open inns will be made. i have title 24 report
Valuation:
$60,000
Permit #:
BISUB21-00303
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Building/residential/ad/single family addition
2024-01-02
445 sq ft master bedroom and bathroom addition
Valuation:
$150,000
Permit #:
BIAD24-000004
Status:
issued
Fee:
$4,959
Permit Type:
N/A
Building Type:
N/A
Replace 20 windows 2 sliding doors
Valuation:
$98,000
Permit #:
M23-029522
Status:
final
Fee:
$700
Permit Type:
N/A
Building Type:
N/A
Remove 2 windows and door omn north side of cabana with 1 sliding glass door. remove 3 windows at west side with sliding glass door. remodel bathroom in kind with new shower pan toilet vanity and fixtures. ** no sink allowed in kitchen area.**
Valuation:
N/A
Permit #:
BIAL19-012370
Status:
final
Fee:
$2,088
Permit Type:
N/A
Building Type:
N/A
Master bathroom partial remodel - water proofing and tiling floor for walk in shower. tile shower surround pan and bench. new plumbing fixtures. no electrical work
Valuation:
N/A
Permit #:
BIAL18-009044
Status:
final
Fee:
$503
Permit Type:
N/A
Building Type:
N/A
Master bathroom remodel. replace windows in kind. relocate tub shower and lavatory
Valuation:
N/A
Permit #:
BIAL19-011750
Status:
final
Fee:
$2,601
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
WTS2021-70002
Status:
issued
Fee:
N/A
Permit Type:
Sewer
Building Type:
N/A
Master bathroom remodel - remove and replace - tub and fixtures toilet shower surround and pan double vanity with sinks and fixtures new lighting gfci outlets fan. guest bathroom - retile shower surround and pan. shower fixtures
Valuation:
N/A
Permit #:
BIAL18-000033
Status:
final
Fee:
$1,386
Permit Type:
N/A
Building Type:
N/A
Master bathroom remodel - remove and replace - tub and fixtures toilet shower surround and pan double vanity with sinks and fixtures new lighting gfci outlets fan. guest bathroom - retile shower surround and pan. shower fixtures
Valuation:
N/A
Permit #:
BIAL18-000033
Status:
final
Fee:
$1,386
Permit Type:
N/A
Building Type:
N/A
(b) - building alteration - 3+ residential units or commercial (building)
2013-09-10
Install 13 retrofit aluminum window inserts only/retention of original framing materials(2010 cbc sec.3404.1.1)safety glazing per 2010 cbc sec. 2406. non-structural kitchen remod
Valuation:
$50,000
Permit #:
B1303392
Status:
issued
Fee:
$2,302
Permit Type:
N/A
Building Type:
N/A
Comply w/complaint #201385573 - repair deck less than 50% @ 2nd floor. remodel 2 bathrooms & 1 kitchen; 1 new bathroom added w/shower pan @ 3rd floor; replace furnace unit;
Valuation:
$140,000
Permit #:
201302190433
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Complete master bathroom and hall bathroom remodel. building plumbing electrical and mechanical 6/14/2017 renew for courtesy final jec
Valuation:
N/A
Permit #:
BIAL16-010167
Status:
final
Fee:
$2,277
Permit Type:
N/A
Building Type:
N/A
(p) - plumbing - 3+ residential units or commercial (building)
2013-09-10
Plumbing-install 13 retrofit alum. window inserts only/reten original framing materials(2010 cbc sec.3404.1.1)safety glazing per 2010 cbc sec. 2406. non-structural kitchen remod
Valuation:
N/A
Permit #:
P1302120
Status:
final
Fee:
$163
Permit Type:
N/A
Building Type:
N/A
(e) - electrical - 3+ residential units or commercial (building)
2013-09-10
Electrical-install 13 retrofit alum. window inserts only/r original framing materials(2010 cbc sec.3404.1.1)safety glazing per 2010 cbc sec. 2406. non-structural kitchen remod
Valuation:
N/A
Permit #:
E1302636
Status:
issued
Fee:
$163
Permit Type:
N/A
Building Type:
N/A
Replace windows in kind visable from street to aluminum clad wood window with true divided lite. total 13 windows 5 windows @ front & 8 at location not visale from street u value 0.40
Valuation:
$17,000
Permit #:
201302190465
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Remodel of kitchen laundry room and 3 baths. interior wall modifications per plan
Valuation:
N/A
Permit #:
BIAL15-001439
Status:
final
Fee:
$3,195
Permit Type:
N/A
Building Type:
N/A
138sf addition to create new bedroom convert a portion of garage to create powder room and mudroom. relocate laundry room remodel bathroom and kitchen per plans
Valuation:
N/A
Permit #:
BIAD17-002232
Status:
final
Fee:
$4,531
Permit Type:
N/A
Building Type:
N/A
Interior kitchen and masterbathroom remodel per plans
Valuation:
N/A
Permit #:
BIAL14-009507
Status:
final
Fee:
$2,634
Permit Type:
N/A
Building Type:
N/A
Interior bathroom remodel - same configuration per plan
Valuation:
N/A
Permit #:
BIAL16-003507
Status:
final
Fee:
$1,317
Permit Type:
N/A
Building Type:
N/A
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Sinclair Construction Co Inc Reviews
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Sinclair Construction Co Inc License info
Verified License
| License # | 750995 |
| Status | Active |
| State | California |
| Type | General Building, Flooring And Floor Covering |
| Business Type | Corporation |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Sinclair Construction Co Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
109
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Falls Lake Fire & Casualty Company |
90
Permits
- Building permit records show that Sinclair Construction Co Inc has worked on 90 permitted projects.
Sinclair Construction Co Inc Employees
JS
Jamison Daniel Sinclair
Sole Owner