Updated: Apr 02, 2026
Location and Projects
Address
18943 SPRING DRIVE, Sonoma, CA, 95476
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Sean Dunn Construction
For over two decades, Sean Dunn has provided construction and remodeling services in Sonoma, California. Based in the heart of Sonoma County, he delivers residential building solutions tailored to the area’s architectural character and homeowner needs. Dunn’s portfolio includes home renovations, additions, and new construction projects, addressing both interior and exterior improvements. With 20 years of experience in the local market, he is familiar with the building requirements and permitting processes specific to Sonoma and the surrounding communities. Sean Dunn collaborates with homeowners on project planning and execution, guiding clients from initial concepts through to finishing construction details. His long-standing business presence reflects an extensive knowledge of residential construction methods and project management in Sonoma County.
Sean Dunn Services
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Sean Dunn Contact Information
Phone Number: (707) 953-8338
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Address: 18943 SPRING DRIVE, Sonoma, CA 95476
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This is a sample of this contractor's permits. Click here to access their complete permit history.
3rd party pc new 4bd 5, 492 sf single family dwelling with 765sf attached garage apn also has following approved permits well: wel20-0555 septic: sep17-0152 grading: grd17-0054 encroachment: enc17-0080
Valuation:
N/A
Permit #:
BLD21-4117
Status:
final
Fee:
$79,546
Permit Type:
N/A
Building Type:
N/A
New single story 4, 050sf residential single family dwelling and 828 sf covered patio with outdoor kitchen
Valuation:
N/A
Permit #:
BLD22-0787
Status:
final
Fee:
$67,054
Permit Type:
N/A
Building Type:
N/A
New 1bd 1, 150sf adu apn also has following approved permits well: wel20-0555 septic: sep17-0152 grading: grd17-0054 encroachment: enc17-0080
Valuation:
N/A
Permit #:
BLD21-4118
Status:
final
Fee:
$13,002
Permit Type:
N/A
Building Type:
N/A
New single family dwelling with 5, 201 sf of conditioned space
Valuation:
N/A
Permit #:
BLD20-8659
Status:
final
Fee:
$76,475
Permit Type:
N/A
Building Type:
N/A
New covered porch exceeding 120sf with footings structural steel posts wood framing and roofing material
Valuation:
N/A
Permit #:
BLD21-0201.R01
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
(n) pool house 597sf and 160 sf pool equipment/stage space
Valuation:
N/A
Permit #:
BLD22-0790
Status:
final
Fee:
$4,276
Permit Type:
N/A
Building Type:
N/A
New adu 805 sf w storage 85 sf & covered porch 636 sf
Valuation:
N/A
Permit #:
BLD20-8662
Status:
final
Fee:
$11,363
Permit Type:
N/A
Building Type:
N/A
Revision addition 789 sf cov. porch 3rd party plan check_new 4, 939 sf single family dwelling with 789sf attached garage and 51sf mechanical room solar trusses fire sprinklers are deferred submittals
Valuation:
N/A
Permit #:
BLD21-0201
Status:
final
Fee:
$72,439
Permit Type:
N/A
Building Type:
N/A
180 sf shed detached from all other structures - separate from existing permits: bld21-4117; bld21-4118; sep17-0152 grd17-0054; wel20-0555; enc17-0080
Valuation:
N/A
Permit #:
BLD21-4566
Status:
issued
Fee:
$944
Permit Type:
N/A
Building Type:
N/A
T.i. for water 2 wine - electric panel relocation, moving drain, adding (2) walls, capping off electric and water as needed. a backflow prevention device is required prior to occupancy.
Valuation:
$10,000
Permit #:
CMBN-001066-2011
Status:
Finaled
Fee:
N/A
Permit Type:
New without Unit
Building Type:
N/A
A detached shade structure
Valuation:
N/A
Permit #:
BLD22-4897
Status:
issued
Fee:
$1,387
Permit Type:
N/A
Building Type:
N/A
3rd party plan check_adu 804 sq ft with 36 sq ft mechanical room
Valuation:
N/A
Permit #:
BLD21-0203
Status:
final
Fee:
$10,870
Permit Type:
N/A
Building Type:
N/A
Kitchen remodel
Valuation:
$250,000
Permit #:
2006-149
Status:
N/A
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Add/remo/alt
Valuation:
$2,000,000
Permit #:
BPA05-488
Status:
final
Fee:
$50,153
Permit Type:
N/A
Building Type:
N/A
Kitchen master bathroom and fireplace surround remodel
Valuation:
N/A
Permit #:
B0811-036
Status:
final
Fee:
$2,690
Permit Type:
Alter-res
Building Type:
N/A
Deck repair
Valuation:
$1,000
Permit #:
2007-132
Status:
N/A
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Kitchen master bathroom and fireplace surround remodel
Valuation:
N/A
Permit #:
E0811-015
Status:
final
Fee:
$129
Permit Type:
Alter-res
Building Type:
N/A
Kitchen master bathroom and fireplace surround remodel
Valuation:
N/A
Permit #:
M0811-018
Status:
final
Fee:
$79
Permit Type:
Alter-res
Building Type:
N/A
Kitchen master bathroom and fireplace surround remodel
Valuation:
N/A
Permit #:
P0811-016
Status:
final
Fee:
$146
Permit Type:
Alter-res
Building Type:
N/A
Reroof
Valuation:
$4,000
Permit #:
BPA06-524
Status:
final
Fee:
$163
Permit Type:
N/A
Building Type:
N/A
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Sean Dunn License info
Verified License
| License # | 806526 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Sean Dunn at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
99
BuildZoom Score
Bonded
| Bonded Agent | Western Surety Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Norguard Insurance Company |
14
Permits
- Building permit records show that Sean Dunn has worked on 14 permitted projects.
Sean Dunn Employees
SD
Sean Patrick Dunn
Sole Owner