Updated: Jul 01, 2026
Location and Projects
Address
21287 KAHLERT AVENUE, Castro Valley, CA, 94546
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Long's Concrete
Long's Concrete at 21287 KAHLERT AVENUE, Castro Valley, CA 94546, held a Concrete Contractor license (#495230) with the California contractors license board with an expiration date of 11-30-2026. We last verified the license was suspended on 06-30-2026.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 336,931 California contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our bidding system to be easily matched to qualified, licensed professionals in your area.
Long's Concrete Services
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Long's Concrete Contact Information
Phone Number: (925) 789-0096
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Address: 21287 KAHLERT AVENUE, Castro Valley, CA 94546
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Repair front porch roof beam and install concrete piers in drilled hole and underpinning to prevent porch slab settlement
Valuation:
N/A
Permit #:
BIMIR21-004933
Status:
final
Fee:
$872
Permit Type:
N/A
Building Type:
N/A
Repair sidewalk to city standards (minimum 2% slope) if working within 25 feet of a monument you must comply with state law 8771 contact the inspector prior to starting excavation: minimum $5 800.00 fine for non-compliance comply with all terms of city of oakland public works standards street excavation rules revised march 2015 and city council ordinance no. 13300 c.m.s. five day prio... see more
Valuation:
N/A
Permit #:
CGS17026
Status:
final
Fee:
$397
Permit Type:
N/A
Building Type:
N/A
Repair sidewalk only: note: ***before any work in right of way please call 510-238-3860 forty-eight hours in advance. applicant is subject to fine if work is started without scheduling a pre-inspection*** repair sidewalk to city standards (maximum 2%). if working within 25 feet of a monument you must comply with state law 8771 contact the inspector prior to starting excavation: minimu... see more
Valuation:
N/A
Permit #:
CGS1901549
Status:
final
Fee:
$474
Permit Type:
N/A
Building Type:
N/A
Repair sidewalk (minimum 2% slope); driveway (same size: not widening; and repair curb/gutter. all to city standards call pwa inspection prior to start: 510-238-3651. 4th floor
Valuation:
N/A
Permit #:
CGS15072
Status:
issued
Fee:
$441
Permit Type:
N/A
Building Type:
N/A
Miscellaneous repair sidewalk (minimum 2% slope); driveway (same size: not widening; and repair curb/gutter. all to city standards. call pwa inspection prior to start: 510-238-3651. 4th floor
Valuation:
N/A
Permit #:
CGS15072
Status:
OCT ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Repair sidewalk to city standards (minimum 2% slope) permit valid 30 days call pwa inspection prior to start: 510-238-3651. 4th floor
Valuation:
N/A
Permit #:
CGS14188
Status:
issued
Fee:
$398
Permit Type:
N/A
Building Type:
N/A
Repair sidewalk to city standards (minimum 2% slope) permit valid 30 days. call pwa inspection prior to start: 510-238-3651. 4th floor
Valuation:
N/A
Permit #:
CGS14188
Status:
OCT ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Repair sidewalk to city standards (minimum 2% slope) permit valid 30 days call pwa inspection prior to start: 510-238-3651. 4th floor
Valuation:
N/A
Permit #:
CGS14114
Status:
final
Fee:
$398
Permit Type:
N/A
Building Type:
N/A
Commercial contracting repair sidewalk to city standards (minimum 2% slope) permit valid 30 days. call pwa inspection prior to start: 510-238-3651. 4th floor
Valuation:
N/A
Permit #:
CGS120051
Status:
PERMIT ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Repair sidewalk to city standards (minimum 2% slope) permit valid 30 days. call pwa inspection prior to start: 510-238-3651. 4th floor
Valuation:
N/A
Permit #:
CGS120051
Status:
issued
Fee:
$574
Permit Type:
N/A
Building Type:
N/A
Remove & replace concrete driveway
Valuation:
$7,920
Permit #:
B2007-0354
Status:
final
Fee:
$174
Permit Type:
Alteration
Building Type:
N/A
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Long's Concrete License info
Inactive License
| License # | 495230 |
| Status | Inactive |
| State | California |
| Type | Concrete |
| Business Type | Sole Ownership |
- 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 Long's Concrete at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
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- *No active license on file. If you are Long's Concrete, click “This is My Business” to update your information.
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Wesco Insurance Company |
8
Permits
- Building permit records show that Long's Concrete has worked on 8 permitted projects.
Long's Concrete Employees
DL
Daniel Gilbert Long
Sole Owner