Updated: Jul 08, 2026
Location and Projects
Headquarters Address
1848 ONTARIO PLACE NW, Washington, DC, 20009
Local address
12912 DUPONT RD, Sebastopol, CA, 95472
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ROBERT S CORCORAN GENERAL CONTRACTOR Architect
ROBERT S CORCORAN GENERAL CONTRACTOR at 12912 DUPONT RD, Sebastopol, CA 95472, held a Architect license (#540426) with the California contractors license board with an expiration date of 09-30-2026. We last verified the license was suspended on 07-07-2026.
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.
ROBERT S CORCORAN GENERAL CONTRACTOR Services
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ROBERT S CORCORAN GENERAL CONTRACTOR Contact Information
Phone Number: (707) 874-3264
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Headquarters Address: 1848 ONTARIO PLACE NW, Washington, DC, 20009
Local Address: 12912 DUPONT RD, Sebastopol, CA 95472
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Building Permits by ROBERT S CORCORAN GENERAL CONTRACTOR
This is a sample of this contractor's permits. Click here to access their complete permit history.
Repair of existing deck. replace rotted deck joist girders decking as needed. addition seismic ties where needed
Valuation:
$10,000
Permit #:
B16-1527
Status:
final
Fee:
$229
Permit Type:
N/A
Building Type:
N/A
Replace deck with smaller deck 112 sq ft. single family dwelling
Valuation:
N/A
Permit #:
BLD16-0069
Status:
final
Fee:
$413
Permit Type:
N/A
Building Type:
N/A
For single family dwelling - remodel of 182 sq ft at laundry room area with new beams & replace 44 sq ft of deck
Valuation:
N/A
Permit #:
BLD17-4989
Status:
final
Fee:
$1,871
Permit Type:
N/A
Building Type:
N/A
C/o upgrade (e) gas line to (e) appliances
Valuation:
$1,500
Permit #:
223663
Status:
final
Fee:
$101
Permit Type:
Alteration/repair
Building Type:
N/A
Remodel health center/interior/install wall/elec
Valuation:
$15,080
Permit #:
B-133755
Status:
EXPIRED
Fee:
$294
Permit Type:
N/A
Building Type:
N/A
Replace electrical service. 100 amps. single family dwelling
Valuation:
N/A
Permit #:
BLD10-2743
Status:
final
Fee:
$71
Permit Type:
N/A
Building Type:
N/A
B-bld salt: single family dwelling - addition/remodel
2002-02-20
Convert (e) workshop to guest house/add deck
Valuation:
$29,241
Permit #:
BLD01-0661
Status:
FINALED
Fee:
$1,086
Permit Type:
N/A
Building Type:
N/A
Addition of bathroom & mudroom to existing single family dwelling
Valuation:
N/A
Permit #:
B-152281
Status:
final
Fee:
$711
Permit Type:
N/A
Building Type:
N/A
Rpr roof/rafters/sheeting from storm damage 10.7%
Valuation:
N/A
Permit #:
B-140320
Status:
final
Fee:
$138
Permit Type:
N/A
Building Type:
N/A
A-bld salt: single family dwelling - addition/remodel
1999-08-26
97 fld rpr:insul/elec/paneling/pl/ht/cab/pnt/7.4%
Valuation:
$8,695
Permit #:
B-142066
Status:
FINALED
Fee:
$225
Permit Type:
N/A
Building Type:
N/A
Single family dwelling convert 1/2 garage to den 299sf
Valuation:
N/A
Permit #:
BLD07-1719
Status:
final
Fee:
$1,457
Permit Type:
N/A
Building Type:
N/A
Remodel kit/laundryrm/covered porch
Valuation:
N/A
Permit #:
BLD99-2775
Status:
final
Fee:
$426
Permit Type:
N/A
Building Type:
N/A
Electrical svce entrance replacement - 100 amp
Valuation:
N/A
Permit #:
B-140715
Status:
final
Fee:
$54
Permit Type:
N/A
Building Type:
N/A
New front porch
Valuation:
N/A
Permit #:
BLD00-0061
Status:
expired
Fee:
$116
Permit Type:
N/A
Building Type:
N/A
Replace electrical meter
Valuation:
N/A
Permit #:
BLD99-2565
Status:
expired
Fee:
$33
Permit Type:
N/A
Building Type:
N/A
Replace 3 win 1 door replace siding & insulate
Valuation:
N/A
Permit #:
B-147925
Status:
expired
Fee:
$111
Permit Type:
N/A
Building Type:
N/A
Replace electrical service panel - 100 amp
Valuation:
N/A
Permit #:
B-140738
Status:
expired
Fee:
$54
Permit Type:
N/A
Building Type:
N/A
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ROBERT S CORCORAN GENERAL CONTRACTOR License info
Inactive License
| License # | 540426 |
| Status | Inactive |
| State | California |
| Type | General Building |
| 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 ROBERT S CORCORAN GENERAL CONTRACTOR at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | C29578 |
| Status | Inactive |
| State | California |
| Type | Architect |
| Business Type | Sole Ownership |
- According to the California Architect 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 ROBERT S CORCORAN GENERAL CONTRACTOR at the California Architect License Board.
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
- How the BuildZoom Score works
- *No active license on file. If you are ROBERT S CORCORAN GENERAL CONTRACTOR, click “This is My Business” to update your information.
Bonded
| Bonded Agent | Business Alliance Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
16
Permits
- Building permit records show that ROBERT S CORCORAN GENERAL CONTRACTOR has worked on 16 permitted projects.
ROBERT S CORCORAN GENERAL CONTRACTOR Employees
CJ
Corcoran Robert John
Owner
RC
Robert Stephen Corcoran
Owner