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Updated: Jun 01, 2026
Location and Projects
Address
69 SHEEHY COURT, Napa, CA, 94558
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Ken Mays Plumbing Inc
Ken Mays Plumbing Inc, 69 Sheehy Ct, Napa, CA (Employees: Kenneth Ray Mays and Raymond Montgomery Welch) holds a Plumbing license according to the California license board.
Their BuildZoom score of 103 ranks in the top 10% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Ken Mays Plumbing Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Ken Mays Plumbing Inc Services
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Ken Mays Plumbing Inc Contact Information
Phone Number: (707) 226-9232
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Address: 69 SHEEHY COURT, Napa, CA 94558
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Ken Mays Plumbing Inc Napa
Quality
103
90th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Ken Mays Plumbing Inc has a BuildZoom score of 103, which places them above 90% of 336,931 contractors in California.
Activity
|
2 projects
|
2025 |
|
2 projects
|
2024 |
|
2 projects
|
2023 |
Our building permit records indicate that Ken Mays Plumbing Inc has worked on at least
6.0 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.
Experience
|
6 projects
|
Plumbing projects |
Analyzing permits over the last 4 years shows that Ken Mays Plumbing Inc mostly works on
plumbing project
projects.
Pricing
|
4 projects
|
< $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.
Building Permits by Ken Mays Plumbing Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Existing type: gas - proposed type: gas - existing size: tankless - replacement size: tankless - proposed location: interior utility area
Valuation:
$3,929
Permit #:
BR24-00795-WTH
Status:
final
Fee:
$183
Permit Type:
N/A
Building Type:
N/A
R/r 40 gal gas water heater
Valuation:
$2,000
Permit #:
P2502-0005
Status:
issued
Fee:
$281
Permit Type:
N/A
Building Type:
N/A
Rplc (e) tank wh w/(4) navien npe-240a tankless water heaters with water gas and venting to water heaters location
Valuation:
N/A
Permit #:
BLD20-3710
Status:
final
Fee:
$90
Permit Type:
N/A
Building Type:
N/A
\replace 50 gallon water heater
Valuation:
$2,100
Permit #:
BP22-0298
Status:
final
Fee:
N/A
Permit Type:
Water heater
Building Type:
N/A
Existing type: gas - proposed type: gas - existing size: 1-10 - replacement size: less than 55 gal - proposed location: attic
Valuation:
$6,000
Permit #:
BR22-00636-WTH
Status:
final
Fee:
$289
Permit Type:
N/A
Building Type:
N/A
Install backflow device per city of st. helena standard
Valuation:
N/A
Permit #:
PW2209-014
Status:
issued
Fee:
$200
Permit Type:
Minor
Building Type:
N/A
Existing type: gas - proposed type: gas - existing size: 31-40 - replacement size: less than 55 gal - proposed location: interior utility area
Valuation:
$2,000
Permit #:
BR22-01985-WTH
Status:
final
Fee:
$183
Permit Type:
N/A
Building Type:
N/A
New water hookup and backflow preventer for adu
Valuation:
N/A
Permit #:
PW2208-021
Status:
issued
Fee:
$200
Permit Type:
Major
Building Type:
N/A
Replace sewer lateral
Valuation:
N/A
Permit #:
PW2106-008
Status:
issued
Fee:
$200
Permit Type:
Minor
Building Type:
N/A
Install 1 backflow and 2 water main to south side of house
Valuation:
N/A
Permit #:
PW2104-017
Status:
issued
Fee:
$200
Permit Type:
Major
Building Type:
N/A
Gas line replacement
Valuation:
$2,750
Permit #:
BR20-00974-PLM
Status:
final
Fee:
$392
Permit Type:
N/A
Building Type:
N/A
Replace building sewer
Valuation:
$8,900
Permit #:
BD1909-018
Status:
final
Fee:
$334
Permit Type:
New
Building Type:
N/A
Replace sewer lateral
Valuation:
$5,000
Permit #:
BD1903-010
Status:
final
Fee:
$333
Permit Type:
New replacement
Building Type:
N/A
Install gas line to stove location
Valuation:
$1,250
Permit #:
BP18-0178
Status:
final
Fee:
N/A
Permit Type:
Alteration/remodel
Building Type:
N/A
Code: water heater replacement
Valuation:
$1,525
Permit #:
BP18-0321
Status:
final
Fee:
N/A
Permit Type:
Water heater
Building Type:
N/A
Replace water heater
Valuation:
$4,200
Permit #:
BD1703-002
Status:
final
Fee:
$126
Permit Type:
HVAC
Building Type:
N/A
Residential plumbing replace gasline install
Valuation:
N/A
Permit #:
PL16-0282
Status:
final
Fee:
$212
Permit Type:
Gas line replacement
Building Type:
N/A
Plumbing alter - replace gas line; replace water line from well to manifold; replace water line from manifold to dwelling; relocate isolation valve
Valuation:
$15,585
Permit #:
B15-01025
Status:
final
Fee:
$242
Permit Type:
N/A
Building Type:
N/A
Replace 1-1/2 backflow device
Valuation:
N/A
Permit #:
PW14-00358
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace water heater 40 gallons
Valuation:
$1,800
Permit #:
B2016-1195
Status:
final
Fee:
$40
Permit Type:
Residential
Building Type:
N/A
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Ken Mays Plumbing Inc Reviews
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Verified License
BuildZoom confirmed this contractor's license
Ken Mays Plumbing Inc License info
Verified License
| License # | 839864 |
| Status | Active |
| State | California |
| Type | Plumbing |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Ken Mays Plumbing Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
103
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Security National Insurance Company |
86
Permits
- Building permit records show that Ken Mays Plumbing Inc has worked on 86 permitted projects.
Ken Mays Plumbing Inc Employees
KM
Kenneth Ray Mays
Rmo/Ceo/Pres
RW
Raymond Montgomery Welch
Rmo / Ceo / Pres