Updated: May 17, 2026
Location and Projects
Address
3427 Sanford St, Concord, CA, 94520
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Roston Construction
Roston Construction, 3427 Sanford St, Concord, CA (Employee: Jose Dolores Fajardo) holds a General Building license according to the California license board.
Their BuildZoom score of 98 ranks in the top 16% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Roston Construction, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Roston Construction Services
Start a project today:
Custom Home Build
New Home Construction
Medium Multi-Family New Con...
Other Residential New Const...
Multi-Room Remodel
Kitchen Remodel
Bathroom Remodel
Basement Remodel
Medium Multi-Family Remodel...
Other Residential Remodel
Office Renovation
Restaurant Renovation
Retail Renovation
Other Commercial Renovation
Roofing
Hardwood Flooring
Carpets
Laminate Flooring
Other Flooring
Framing
Wood Fences
Backsplash and Countertops
Stonework
Tile Flooring
Other Stone and Tile
Drywall
Interior Plaster
Brick and Blockwork
Other Masonry
Flatwork Concrete
Foundations
Other Concrete
Demolition
Paving, Driveways, and Side...
Excavation and Grading
Roston Construction Contact Information
Phone Number: (925) 360-7614
Address: 3427 Sanford St, Concord, CA 94520
This is a sample of this contractor's permits. Click here to access their complete permit history.
Kumon learning center: temporary permit for tenant improveme
Valuation:
N/A
Permit #:
B-TP24-0001
Status:
final
Fee:
$454
Permit Type:
Temp permit
Building Type:
N/A
Kumon learning center: tenant improvement (1416 sf ) to conv
Valuation:
N/A
Permit #:
B-BP23-0750
Status:
final
Fee:
$8,236
Permit Type:
Code enfr
Building Type:
N/A
Black bear diner - outdoor patio
Valuation:
$10,000
Permit #:
B2021-2487
Status:
final
Fee:
$2,018
Permit Type:
Restaurant and or...
Building Type:
N/A
Commercial tenant improvement - black bear diner - interior renovations
Valuation:
$75,000
Permit #:
20191594
Status:
final
Fee:
$3,593
Permit Type:
Commti
Building Type:
N/A
Demolish walls wall finishes and existing drop ceilings
Valuation:
$75,000
Permit #:
20191203
Status:
final
Fee:
$161
Permit Type:
Demolish
Building Type:
N/A
Replace water heater with tank less system 220 btu. add a/c system to existing heating
Valuation:
$10,000
Permit #:
B173911
Status:
final
Fee:
$311
Permit Type:
N/A
Building Type:
N/A
Remove old composition shingles & replace 1700 s.f. with composition shingles
Valuation:
$8,000
Permit #:
B170276
Status:
Issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remove comparable shingles. remove dry rot on eaves. install new comparable. shingles
Valuation:
$13,500
Permit #:
B201852
Status:
applied
Fee:
$849
Permit Type:
N/A
Building Type:
N/A
Attached garage 495 sqft
Valuation:
N/A
Permit #:
BICG19-009658
Status:
final
Fee:
$1,946
Permit Type:
N/A
Building Type:
N/A
Addition and remodel
Valuation:
N/A
Permit #:
BIAD12-007376
Status:
final
Fee:
$812
Permit Type:
N/A
Building Type:
N/A
Palm thai bistro - tenant improvement. suite 105
Valuation:
N/A
Permit #:
BLD14-02048
Status:
final
Fee:
N/A
Permit Type:
Tenant improvement
Building Type:
N/A
Non-residential building owner
Valuation:
$0
Permit #:
BUS2000-04626
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Roston Construction Reviews
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Verified License
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Roston Construction License info
Verified License
| License # | 973476 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Roston Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
98
BuildZoom Score
Bonded
| Bonded Agent | Western National Mutual Insurance Company |
| Bond Value | $15,000 |
8
Permits
- Building permit records show that Roston Construction has worked on 8 permitted projects.
Roston Construction Employees
JF
Jose Dolores Fajardo
Sole Owner