Updated: Apr 27, 2026
Location and Projects
Address
11410 OLD REDWOOD HIGHWAY, Windsor, CA, 95492
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Joe Kocher Plumbing Inc
Joe Kocher Plumbing Inc, 11410 Old Redwood Hwy, Windsor, CA (Owned by: Kocher Plumbing Co) holds a Electrical license and 4 other licenses according to the California license board.
Their BuildZoom score of 109 ranks in the top 5% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Joe Kocher Plumbing Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Joe Kocher Plumbing Inc Services
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Joe Kocher Plumbing Inc Contact Information
Phone Number: (707) 433-6931
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Address: 11410 OLD REDWOOD HIGHWAY, Windsor, CA 95492
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Joe Kocher Plumbing Inc Windsor
Quality
109
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Joe Kocher Plumbing Inc has a BuildZoom score of 109, which places them above 95% of 336,931 contractors in California.
Activity
|
1 project
|
2026 |
|
17 projects
|
2025 |
|
7 projects
|
2024 |
|
7 projects
|
2023 |
Our building permit records indicate that Joe Kocher Plumbing Inc has worked on at least
32.0 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
|
2 projects
|
$5k-$20k |
|
1 project
|
$50k-$100k |
|
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.
Building Permits by Joe Kocher Plumbing Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Installation of (1) new 200a overhead fed electrial service meter for graton town square. (convenience outlet for vendors)
Valuation:
N/A
Permit #:
BLD25-2548
Status:
final
Fee:
$840
Permit Type:
N/A
Building Type:
N/A
Electrical upgrade to include installation of (n) 100amp single phase pg&e spec overhead commercial meter panel with main 100amp circuit breaker and customer owned 25’ pg&e spec power pole. install new pg&e spec backboard and new 100amp outdoor rated sub-panel
Valuation:
$19,935
Permit #:
BC23-01871-ELC
Status:
final
Fee:
$307
Permit Type:
N/A
Building Type:
N/A
Install new backboard with electrical service meter for existing well and septic system (bld permit for residence has not been submitted)
Valuation:
N/A
Permit #:
BLD25-4222
Status:
issued
Fee:
$375
Permit Type:
N/A
Building Type:
N/A
Commercial install (2) evcs 40a with dual charger support pedistal. hop kiln winery
Valuation:
N/A
Permit #:
BLD25-0890
Status:
issued
Fee:
$2,163
Permit Type:
N/A
Building Type:
N/A
Replace russian river utilities metering panel like for like with no added load
Valuation:
N/A
Permit #:
BLD25-2941
Status:
canceled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install (2) new 15 tall light poles with led fixtures to an existing circuit. lighting fixtures shall be shielded or recessed to reduce light bleed to adjoining properties by: 1. ensuring that the light source (e.g bulb etc.) is not visible from off the site; and 2. confining glare and reflections within the boundaries of the site to the maximum extent feasible 3. each light fixture s... see more
Valuation:
N/A
Permit #:
B21-1526
Status:
final
Fee:
$482
Permit Type:
N/A
Building Type:
N/A
Commercial (1) new 1, 000a service with (1) 1, 000a ats (1) new 400a generator tap box. replacing/upgrading the failing service which feeds the (e) production areas and winery
Valuation:
N/A
Permit #:
BLD22-3890
Status:
final
Fee:
$334
Permit Type:
N/A
Building Type:
N/A
Upsize existing electrical metering panel to 200a provide and install new upsized conduit from pge transformer on owners driveway to newly located metering panel on exterior of garage wall
Valuation:
N/A
Permit #:
B21-6243
Status:
final
Fee:
$221
Permit Type:
N/A
Building Type:
N/A
Remove existing sub panel and replace with new upgraded sub panel. no added load
Valuation:
N/A
Permit #:
B24-5366
Status:
final
Fee:
$250
Permit Type:
N/A
Building Type:
N/A
Remove existing #10 wire and install new #4 copper wire with ground from house panel to existing booster pump panel. replace existing 30amp 2 pole breaker with new 40amp 2 pole breaker 2. install new 1” pvc conduit with 2 #4 and 1-#8 copper conductors from booster pump panel to existing well head based on 540 linear feet of conduit and wire. (all trenching and backfilling is excluded)... see more
Valuation:
N/A
Permit #:
BLD20-6453
Status:
final
Fee:
$254
Permit Type:
N/A
Building Type:
N/A
Emergency panel replacement of metering panel like for like no added load
Valuation:
N/A
Permit #:
BLD25-6203
Status:
final
Fee:
$375
Permit Type:
N/A
Building Type:
N/A
Installation of 30kw generator with concrete pad and propane tank on concrete pad
Valuation:
N/A
Permit #:
BLD23-2359
Status:
final
Fee:
$557
Permit Type:
N/A
Building Type:
N/A
Upgrade and upsize metering electrical panel from 100a to 200a with no added load
Valuation:
N/A
Permit #:
B23-1174
Status:
final
Fee:
$234
Permit Type:
N/A
Building Type:
N/A
Metering panel upsize and upgrade from 200a to 225a. no added load
Valuation:
N/A
Permit #:
BLD25-4411
Status:
issued
Fee:
$375
Permit Type:
N/A
Building Type:
N/A
Installation of new 200amp single phase 120/240v commercial service
Valuation:
$110,000
Permit #:
S23-00438-COM
Status:
denied application
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Provide and install new 400 a breaker at existing service new kirk key interlocks on 400 a and existing 800 a breaker. new conduit wire and quick connect enclosure. generator to be pulled on separate permit
Valuation:
N/A
Permit #:
B19-6555
Status:
final
Fee:
$247
Permit Type:
N/A
Building Type:
N/A
Commercial install (2) new ev chargers at (e) employee parking area
Valuation:
N/A
Permit #:
BLD25-6435
Status:
approved
Fee:
$1,642
Permit Type:
N/A
Building Type:
N/A
Metering panel replacement with like for like panel and no added load
Valuation:
N/A
Permit #:
B22-2077
Status:
final
Fee:
$199
Permit Type:
N/A
Building Type:
N/A
Upgrade existing 100a metering panel like for like with no added load or backup generation
Valuation:
N/A
Permit #:
B23-5436
Status:
final
Fee:
$217
Permit Type:
N/A
Building Type:
N/A
Electrical meter 100amps upgrade (not upsized) for well with new backboard
Valuation:
N/A
Permit #:
BLD24-5643
Status:
final
Fee:
$364
Permit Type:
N/A
Building Type:
N/A
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BZ Score
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Avg Project
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Projects
142
BZ Score
$25K
Avg Project
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Projects
142
BZ Score
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Avg Project
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Projects
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Verified License
BuildZoom confirmed this contractor's license
Joe Kocher Plumbing Inc License info
Verified License
| License # | 432135 |
| Status | Active |
| State | California |
| Type | Electrical |
| Business Type | Corporation |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Joe Kocher Plumbing Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 735465 |
| Status | Active |
| State | California |
| Type | Boiler, Hot Water Heating And Steam Fitting, Warm Air Heating, Ventilating And Air Conditioning, Plumbing, Sanitation System |
| Business Type | Corporation |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Joe Kocher Plumbing Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 656269 |
| Status | Inactive |
| State | California |
| Type | Boiler, Hot Water Heating And Steam Fitting, Warm Air Heating, Ventilating And Air Conditioning, Plumbing, Sanitation System |
| Business Type | Corporation |
- 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 Joe Kocher Plumbing Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 345857 |
| Status | Inactive |
| State | California |
| Type | Boiler, Hot Water Heating And Steam Fitting, Warm Air Heating, Ventilating And Air Conditioning, Plumbing, Sanitation System |
| Business Type | Corporation |
- 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 Joe Kocher Plumbing Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 248997 |
| Status | Inactive |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning, Plumbing, Boiler, Hot Water Heating And Steam Fitting, Sanitation System |
| Business Type | Corporation |
- 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 Joe Kocher Plumbing Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
109
BuildZoom Score
Bonded
| Bonded Agent | Hudson Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Falls Lake Fire & Casualty Company |
103
Permits
- Building permit records show that Joe Kocher Plumbing Inc has worked on 103 permitted projects.
Joe Kocher Plumbing Inc Employees
AK
Arthur Orser Knight
Officer
BR
Barbara Ann Ragsdale
Ceo / President
BK
Beverly Kim Kocher
Ceo / President
EK
Elizabeth Ann Knight
Officer
GK
Gerard Patrick Kocher
Officer
JK
James Edward Kocher
Rmo
JK
James Joseph Kocher
Officer
JK
Joseph Gerard Kocher
Rmo
KC
Kocher Plumbing Co
Owner
RK
Robert Almond Knight
Rmo / Ceo / Pres
RK
Robert Arthur Knight
Officer
VK
Vera J Kocher
Ceo / President