Updated: Jun 01, 2026
Location and Projects
Address
P O BOX 334, Sonoma, CA, 95476
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Darrel D Welch Construction
Serving Sonoma, California, Darrel D Welch brings nearly three decades of construction experience to residential projects throughout the region. With 29 years in the industry, Welch focuses on building, remodeling, and repairs for single-family homes. His portfolio includes work typical for Sonoma’s varied architectural styles, providing services such as structural upgrades, interior renovations, and exterior improvements. Operating as a local contractor, Welch is familiar with the needs and expectations of Sonoma homeowners, often managing projects ranging from small repairs to larger home remodeling efforts. His long-standing presence in the area reflects a depth of knowledge in navigating local building codes and seamless project execution for residential clients.
Darrel D Welch Services
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Darrel D Welch Contact Information
Phone Number: (707) 996-8730
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Address: P O BOX 334, Sonoma, CA 95476
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Darrel D Welch Sonoma
Quality
101
88th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Darrel D Welch has a BuildZoom score of 101, which places them above 88% of 336,931 contractors in California.
Activity
|
1 project
|
2024 |
|
3 projects
|
2023 |
Our building permit records indicate that Darrel D Welch has worked on at least
4.0 projects over the past 3 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
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 |
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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Install a new natural gas tankless water heater
Valuation:
N/A
Permit #:
BLD23-0794
Status:
final
Fee:
$305
Permit Type:
N/A
Building Type:
N/A
Legalize by permit: creation of unconditioned office space in existing detached garage with plumbing electrical and mechanical for half bathroom
Valuation:
N/A
Permit #:
BLD19-0281
Status:
final
Fee:
$2,751
Permit Type:
N/A
Building Type:
N/A
Install new swimming pool
Valuation:
$100,000
Permit #:
B19-00033
Status:
final
Fee:
$1,450
Permit Type:
N/A
Building Type:
N/A
New manufactured home (1456 sq ft 40 sq ft stairs & landing)
Valuation:
N/A
Permit #:
BLD19-0284
Status:
final
Fee:
$20,704
Permit Type:
N/A
Building Type:
N/A
Complete bld14-5332 - barrier removal/repave parking lot/replace posts (dryrot repair) - commercial
Valuation:
N/A
Permit #:
BLD18-1597
Status:
expired
Fee:
$404
Permit Type:
N/A
Building Type:
N/A
Complete bld14-5335 barrier removal - repave parking lot - replace posts (dryrot repair) - commercial
Valuation:
N/A
Permit #:
BLD18-1595
Status:
expired
Fee:
$479
Permit Type:
N/A
Building Type:
N/A
Demolish single family residence and pool
Valuation:
$35,000
Permit #:
B18-00256
Status:
final
Fee:
$306
Permit Type:
N/A
Building Type:
N/A
Main dwelling addition and alteration to existing. revision #1. west wall framing changes due to discovered termite damage and extensive dry rot. revision #2: addition of concrete pad to support 500-gallon propane tank
Valuation:
$225,000
Permit #:
BR21-01483-ADD
Status:
expired
Fee:
$14,755
Permit Type:
N/A
Building Type:
N/A
New county standard carport - det'd
Valuation:
N/A
Permit #:
BLD19-0503
Status:
final
Fee:
$373
Permit Type:
N/A
Building Type:
N/A
Residential: full review - additions accessory structures pools demolish generators and other
2007-07-13
Sub panel upgrade connect to underground service
Valuation:
N/A
Permit #:
TSUP 122303.07
Status:
final
Fee:
$60
Permit Type:
N/A
Building Type:
N/A
Building site evaluation - future awning addition
Valuation:
$0
Permit #:
SEV99-0771
Status:
FINALED
Fee:
$77
Permit Type:
N/A
Building Type:
N/A
Upgrade electrical service to 125 amps - meter split
Valuation:
$0
Permit #:
B-144316
Status:
FINALED
Fee:
$84
Permit Type:
N/A
Building Type:
N/A
Upgrade electrical svce to 125 amps - split meter
Valuation:
$0
Permit #:
B-144315
Status:
FINALED
Fee:
$84
Permit Type:
N/A
Building Type:
N/A
Install awning on sfd/site sev99-0771
Valuation:
N/A
Permit #:
BLD99-0050
Status:
final
Fee:
$185
Permit Type:
N/A
Building Type:
N/A
Temp power for construction
Valuation:
$810
Permit #:
BR22-00113-ELC
Status:
expired
Fee:
$184
Permit Type:
N/A
Building Type:
N/A
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184
BZ Score
$60K
Avg Project
-
Projects
187
BZ Score
$30K
Avg Project
-
Projects
188
BZ Score
$30K
Avg Project
-
Projects
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Darrel D Welch License info
Verified License
| License # | 724090 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Darrel D Welch at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
101
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
12
Permits
- Building permit records show that Darrel D Welch has worked on 12 permitted projects.
Darrel D Welch Employees
DW
Darrel Dean Welch
Owner