Updated: Jan 29, 2026
Location and Projects
Address
402 MADURO ST, Windsor, CA, 95492
Use our bidding system to
request a quote
Gwin Electric
Gwin Electric, 402 Maduro St, Windsor, CA (Owned by: Christopher Leslie Gwin) holds a Electrical license according to the California license board.
Their BuildZoom score of 99 ranks in the top 15% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Gwin Electric, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Gwin Electric Contact Information
Phone Number: (707) 888-1180
Edit
Address: 402 MADURO ST, Windsor, CA 95492
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
Gwin Electric Windsor
Quality
99
85th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Gwin Electric has a BuildZoom score of 99, which places them above 85% of 336,931 contractors in California.
Activity
|
1 project
|
2025 |
|
2 projects
|
2024 |
Our building permit records indicate that Gwin Electric has worked on at least
3.0 projects over the past 2 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.
Experience
|
3 projects
|
Electrical projects |
Analyzing permits over the last 4 years shows that Gwin Electric mostly works on
electrical project
projects.
Pricing
|
1 project
|
< $5k |
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.
Single family dwelling replace (e) fuse panel with 200a breaker panel
Valuation:
N/A
Permit #:
BLD25-0561
Status:
issued
Fee:
$364
Permit Type:
N/A
Building Type:
N/A
Change out existing 200a msp to new 320a msp
Valuation:
$3,500
Permit #:
B24-0561
Status:
issued
Fee:
$171
Permit Type:
Single family dwe...
Building Type:
N/A
Single family dwelling upgrade overhead surface-mounted main panel from 100a to 200a *updated 02072024 emergancy repair to electrical service mast due to tree falling on wires*
Valuation:
N/A
Permit #:
BLD24-0765
Status:
issued
Fee:
$335
Permit Type:
N/A
Building Type:
N/A
Take out 100amp zinsco and replace with new 100amp culter hamner
Valuation:
N/A
Permit #:
B21-2081
Status:
final
Fee:
$191
Permit Type:
N/A
Building Type:
N/A
Tubbs-adobe fire 2017: eplan roof mounted photovoltaic system 26 panels 8.47kw
Valuation:
$20,000
Permit #:
B20-1153
Status:
final
Fee:
$194
Permit Type:
N/A
Building Type:
N/A
Install natural gas generator 12kw (kohler model 14rca) with transfer switch
Valuation:
N/A
Permit #:
BLD20-4624
Status:
final
Fee:
$484
Permit Type:
N/A
Building Type:
N/A
Replace existing amp panel with new 125 amp electrical panel
Valuation:
N/A
Permit #:
B20-3619
Status:
final
Fee:
$191
Permit Type:
N/A
Building Type:
N/A
Replace 200 amp panel for single family dwelling
Valuation:
N/A
Permit #:
BLD18-4765
Status:
final
Fee:
$114
Permit Type:
N/A
Building Type:
N/A
Sfd- rplc (e) 200 amp main servie panel o/h
Valuation:
N/A
Permit #:
BLD17-3660
Status:
final
Fee:
$114
Permit Type:
N/A
Building Type:
N/A
Electrical srv upgrade to dual meters 200amp main & 125amps for 2nd unit convert (e) 200amps to subpanel
Valuation:
N/A
Permit #:
BLD15-6397
Status:
final
Fee:
$216
Permit Type:
N/A
Building Type:
N/A
For single family dwelling - replace (e) 100 amp service with new 200 amp service
Valuation:
N/A
Permit #:
BLD17-1258
Status:
final
Fee:
$114
Permit Type:
N/A
Building Type:
N/A
Electrical srv upgrade 200amps on pole for single family dwelling
Valuation:
N/A
Permit #:
BLD17-1846
Status:
final
Fee:
$114
Permit Type:
N/A
Building Type:
N/A
Sfd--rplc (e) 100 amp electical service ( oh) w 200 amp service
Valuation:
N/A
Permit #:
BLD17-2298
Status:
final
Fee:
$114
Permit Type:
N/A
Building Type:
N/A
Electrical srv upgrade 200amps for single family dwelling
Valuation:
N/A
Permit #:
BLD17-1847
Status:
final
Fee:
$114
Permit Type:
N/A
Building Type:
N/A
Electrical srv upgrade 200amps & addition subpanel 125amps in garage for single family dwelling
Valuation:
N/A
Permit #:
BLD15-4260
Status:
final
Fee:
$137
Permit Type:
N/A
Building Type:
N/A
Supply and install new 200 amp ag. meter for permanent power. currently running on a generator only
Valuation:
N/A
Permit #:
BLD22-1812
Status:
issued
Fee:
$122
Permit Type:
N/A
Building Type:
N/A
Excavate and install water service off the east side of calistoga road 11 miles north of rincon ave northeast of santa rosa as per attached plans of -5244 joaquin dr. water lateral- prepared by t.d.g. consulting civil engineers inc
Valuation:
$0
Permit #:
ENC02-0262
Status:
ISSUED
Fee:
$425
Permit Type:
N/A
Building Type:
N/A
Replace old main service panel and install new 200 amp overhead electric service
Valuation:
N/A
Permit #:
B16-4386
Status:
final
Fee:
$162
Permit Type:
N/A
Building Type:
N/A
Change out 60a main electric service panel with new 200a service
Valuation:
N/A
Permit #:
B16-1208
Status:
final
Fee:
$157
Permit Type:
N/A
Building Type:
N/A
Replace electric panel up to 200 amps and install up to five gfi plugs in kitchen and two bathrooms
Valuation:
N/A
Permit #:
B17-2541
Status:
final
Fee:
$189
Permit Type:
N/A
Building Type:
N/A
Similar Contractors See more
138
BZ Score
$6.1K
Avg Project
-
Projects
143
BZ Score
$22.5K
Avg Project
-
Projects
132
BZ Score
$1K
Avg Project
-
Projects
Gwin Electric Reviews
BuildZoom hasn't received any reviews for Gwin Electric. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Let us find you an electrician in your area today
We'll search our vast network of Electricians and connect
you with one that meets your needs today.
Verified License
BuildZoom confirmed this contractor's license
Gwin Electric License info
Verified License
| License # | 738517 |
| Status | Active |
| State | California |
| Type | Electrical |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for Gwin Electric 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 | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Hartford Fire Insurance Company |
60
Permits
- Building permit records show that Gwin Electric has worked on 60 permitted projects.
Gwin Electric Employees
CG
Christopher Leslie Gwin
Owner