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Location and Projects

Address
3468 BROOKDALE BLVD, Castro Valley, CA, 94546
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JA Sipos Construction

JA Sipos Construction at 3468 BROOKDALE BLVD, Castro Valley, CA 94546, held a General Contractor license (#665578) with the California contractors license board with an expiration date of 03-31-2019. We last verified the license was expired on 04-24-2026.

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.

JA Sipos Construction Contact Information

Phone: (510) 331-4093 Edit
Address: 3468 BROOKDALE BLVD, Castro Valley, CA 94546 Edit

JA Sipos Construction Castro Valley

Quality

Alert*
Pro tip: We generally recommend hiring a contractor with a score higher than 95.
*No active license on file. If you are JA Sipos Construction, click “This is My Business” to update your information.

Activity

1 project
2025
Our building permit records indicate that JA Sipos Construction has worked on at least 1.0 project over the past year.

This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.

Pricing

1 project
$100k-$250k
Value Not Public: 0 projects
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 JA Sipos Construction

Sort by: Notable Notable | Date Date | Job Value Job Value
Building/residential/ad/single family addition
1999-10-19
Addition floor for new bedroom, deck
Valuation:
N/A
Permit #:
BIAD0000240883
Status:
final
Fee:
$1,412
Permit Type:
N/A
Building Type:
N/A
Building permit
1998-07-28
2nd fl structural revision *delta #4 revision* roof framing changes
Valuation:
N/A
Permit #:
A-RE990036
Status:
approved
Fee:
$36
Permit Type:
N/A
Building Type:
N/A
Electrical work only
2003-11-17
Upgrade electrical service to 200 amps
Valuation:
$0
Permit #:
BEL031381
Status:
FINAL
Fee:
$121
Permit Type:
N/A
Building Type:
N/A
Encroachment-minor
2010-03-15
No Description Available
Valuation:
N/A
Permit #:
PL-2010-0088
Status:
complete
Fee:
N/A
Permit Type:
Encroachment - minor
Building Type:
N/A
Residential building permit
2025-05-08
Unit b adu - detached accessory dwelling unit 787 sf
Valuation:
$180,000
Permit #:
BLD-2025-01144
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Building/residential/al/alteration
2000-07-05
Removal of window install new
Valuation:
N/A
Permit #:
BIAL0000248348
Status:
expired
Fee:
$1,148
Permit Type:
N/A
Building Type:
N/A

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