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Location and Projects

Address
P O BOX 2925, Antioch, CA, 94531
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Design Workshop Construction

Design Workshop at P O BOX 2925, Antioch, CA 94531, held a General Contractor license (#494749) with the California contractors license board with an expiration date of 07-31-2022. We last verified the license was expired on 04-30-2026.

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

Design Workshop Contact Information

Phone: (925) 458-5281 Edit
Address: P O BOX 2925, Antioch, CA 94531 Edit

Building Permits by Design Workshop

Sort by: Notable Notable | Date Date | Job Value Job Value
Tear off existing roof install new 40 year comparable roof
Valuation:
$9,645
Permit #:
RERR2011-01613
Status:
final
Fee:
$280
Permit Type:
Single family - d...
Building Type:
N/A
New 10, 000sf met building w/1600sf & 240sf canopies
Valuation:
$599,586
Permit #:
BP06-03814
Status:
final
Fee:
$54,024
Permit Type:
N/A
Building Type:
N/A
Building asf: addition single family
2006-05-10
Residence addition 390 sf w electrical
Valuation:
$56,140
Permit #:
B06-004794
Status:
FINALED
Fee:
$1,997
Permit Type:
N/A
Building Type:
N/A
Building addition adu deck patio cover garage barn ground mount solar light pole masonry wall
2011-01-11
New single family dwelling
Valuation:
$500,730
Permit #:
CBNR2008-00072
Status:
final
Fee:
$7,331
Permit Type:
N/A
Building Type:
N/A
Building/historical/bldhp/na
1993-06-08
Room addition
Valuation:
$66,311
Permit #:
BH94000759
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Building/residential/ad/single family addition
1990-08-15
Gar.conv, new garage-w/o permit
Valuation:
$21,970
Permit #:
BIAD0000165527
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New building addition adu (not a garage conversion) deck patio cover garage barn ground mount solar
2000-08-17
New barn
Valuation:
$35,000
Permit #:
CBN2000-02234
Status:
final
Fee:
$464
Permit Type:
N/A
Building Type:
N/A
Building/residential/al/alteration
1993-04-06
Replace sliding glass door
Valuation:
N/A
Permit #:
BIAL0000184610
Status:
final
Fee:
$57
Permit Type:
N/A
Building Type:
N/A
Building/residential/rp/repair
1992-02-12
Sheetrock & electrical work
Valuation:
$1,600
Permit #:
BIRP0000176224
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Building/historical/bldhp/na
1994-07-12
Residential re-roof
Valuation:
$0
Permit #:
BH94001857
Status:
Withdraw
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Building/historical/bldhp/na
1995-12-07
Reroof-tile lgt weight
Valuation:
$0
Permit #:
BH95005988
Status:
Cofo
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Building addition adu deck patio cover garage barn ground mount solar light pole masonry wall
2008-05-29
Residence 1200 sf new barn no electric
Valuation:
$44,000
Permit #:
CBNR2008-00485
Status:
expired
Fee:
$956
Permit Type:
N/A
Building Type:
N/A

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