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Location and Projects

Address
P O BOX 446, Clayton, CA, 94517
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Caspar Construction

Caspar Construction at P O BOX 446, Clayton, CA 94517, held a General Contractor license (#836547) with the California contractors license board with an expiration date of 04-30-2014. We last verified the license was expired on 05-19-2026.

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 project planner to be easily matched to qualified, licensed professionals in your area.

Caspar Construction Contact Information

Phone: (925) 381-4069 Edit
Address: P O BOX 446, Clayton, CA 94517 Edit

Caspar Construction Clayton

Quality

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

Activity

1 project
2025
Our building permit records indicate that Caspar 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
$20k-$50k
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 Caspar Construction

Sort by: Notable Notable | Date Date | Job Value Job Value
Express kitchen like-for-like remodel permit - residential
2025-07-14
Demolish existing kitchen & replace with new flooring cabinets & lighting new plumbing & electrical for new sinks & appliances
Valuation:
$40,000
Permit #:
CBW25-0133
Status:
issued
Fee:
$1,946
Permit Type:
N/A
Building Type:
N/A
Express bathroom like-for-like remodel permit - residential
2025-10-05
Remodel bathroom including walls flooring plumbing and electrical
Valuation:
$20,000
Permit #:
CBW25-0199
Status:
revoked
Fee:
$513
Permit Type:
N/A
Building Type:
N/A
Additional inspection for above between outside repair and final - amendment to permit no. 462514
Valuation:
N/A
Permit #:
470177
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Building Permit
2011-01-19
1 day photography shoot @ 800 w katella 1/20/2011
Valuation:
$0
Permit #:
BUS2011-00253
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Building permit
1994-11-30
Demolition of int. non-bearingwalls
Valuation:
N/A
Permit #:
A-D9500017
Status:
final
Fee:
$122
Permit Type:
N/A
Building Type:
N/A
Install code waste vent water system for shower and lavy - building appl no. 200501253963
Valuation:
N/A
Permit #:
462514
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Building/historical/na/na
1999-09-16
Tear off existing new comparable roof
Valuation:
$0
Permit #:
00063827
Status:
FINALED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Historical permits
1997-05-14
Dwelling 2-story w/att. garage
Valuation:
N/A
Permit #:
H0060213
Status:
history
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
North bedroom adding one outlet to an existing circuit
Valuation:
N/A
Permit #:
E200501252552
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Rev to app#200501253963 (e) window to be removed & close wall @ hall bathroom window replacements @ 2
Valuation:
$50,000
Permit #:
200503217993
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Renew expired app #200402035456 to complete work and designate contractor of record
Valuation:
$2,500
Permit #:
200501253963
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments

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