Updated: Jun 23, 2026
Location and Projects
Address
4464 LONE TREE WAY 707, Antioch, CA, 94531
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Just Water Heaters Plumber
Just Water Heaters Inc, 4464 Lone Tree Way, Antioch, CA (Employees: Andrew Wise Goodman, Corrine G. Gilroy, and Corrine Gloria Gilroy) holds a Plumbing license and 6 other licenses 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 Just Water Heaters Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Just Water Heaters Inc Services
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Just Water Heaters Inc Contact Information
Phone Number: (925) 440-9226
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Address: 4464 LONE TREE WAY 707, Antioch, CA 94531
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Just Water Heaters Inc Antioch
Quality
103
90th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Just Water Heaters Inc has a BuildZoom score of 103, which places them above 90% of 336,931 contractors in California.
Activity
|
2 projects
|
2026 |
|
34 projects
|
2025 |
|
44 projects
|
2024 |
|
60 projects
|
2023 |
Our building permit records indicate that Just Water Heaters Inc has worked on at least
140.0 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
|
139 projects
|
Plumbing projects |
Analyzing permits over the last 4 years shows that Just Water Heaters Inc mostly works on
plumbing project
projects.
Pricing
|
122 projects
|
< $5k |
The typical size of their permits is approximately $2,546. This graph shows the distribution of these job values.
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 Just Water Heaters Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Install water heater in garage
Valuation:
$1,000,000
Permit #:
BLD2023-10367
Status:
issued
Fee:
$154
Permit Type:
N/A
Building Type:
N/A
Replace leaking gas water heater in garage with new 40 gallon gas water heater same location
Valuation:
N/A
Permit #:
BL-WH-2025-00004
Status:
complete
Fee:
$309
Permit Type:
N/A
Building Type:
N/A
50 gal - basic install with ground kit drip pan and earthquake strap. cut out water softener loop to remove water heater then re-loop. cut open wall and run line with new valve and sediment. run t&p to exterior
Valuation:
$2,910
Permit #:
BLD2022-07911
Status:
issued
Fee:
$154
Permit Type:
N/A
Building Type:
N/A
40 gal. water heater - basic install with stand earthquake strap ground kit and drip pan.run t&p to utility sink. extend and rerout 1/2 gas line. adjust venting 3. raise hot and cold plumbing
Valuation:
$2,860
Permit #:
BLD2022-04871
Status:
issued
Fee:
$154
Permit Type:
N/A
Building Type:
N/A
40 gallon water heater - basic installation with drain pan one ground strap earthquake strap and t&p drain line piped to exterior. water heater replaced in outside closet
Valuation:
$2,273
Permit #:
BLD2022-07297
Status:
issued
Fee:
$154
Permit Type:
Other
Building Type:
N/A
Replace 40g water heater in (e) location in garage
Valuation:
N/A
Permit #:
PLMB2025-0037
Status:
final
Fee:
N/A
Permit Type:
Water heater repl...
Building Type:
N/A
40 gal water heater install in existing location
Valuation:
$2,681
Permit #:
BLD2025-07241
Status:
complete
Fee:
$155
Permit Type:
N/A
Building Type:
N/A
Replace 40g water heater like for like same location
Valuation:
N/A
Permit #:
PLMB2025-0023
Status:
issued
Fee:
N/A
Permit Type:
Water heater repl...
Building Type:
N/A
Instal 40 gal heater in existing location in garage
Valuation:
$2,406
Permit #:
BLD2025-06594
Status:
complete
Fee:
$155
Permit Type:
N/A
Building Type:
N/A
Install 40 gal water heater in existing location
Valuation:
$2,696
Permit #:
BLD2025-06331
Status:
complete
Fee:
$155
Permit Type:
N/A
Building Type:
N/A
Replace 40 gallon water heater in existing location
Valuation:
$3,046
Permit #:
BLD2025-05804
Status:
issued
Fee:
$155
Permit Type:
N/A
Building Type:
N/A
Install 40 gal wtr heater in existing location
Valuation:
$2,581
Permit #:
BLD2025-07096
Status:
complete
Fee:
$155
Permit Type:
N/A
Building Type:
N/A
Install 40 gal water heater in same location
Valuation:
$2,641
Permit #:
BLD2025-06252
Status:
issued
Fee:
$155
Permit Type:
N/A
Building Type:
N/A
50 gallon water heater basic install with ground kit and drip pan. run t&p drain line to the exterior. remove and re-install re circulation pump
Valuation:
$2,589
Permit #:
BLD2023-02726
Status:
issued
Fee:
$154
Permit Type:
N/A
Building Type:
N/A
Replace existing water heater with new one
Valuation:
$2,761
Permit #:
BLD2025-06108
Status:
complete
Fee:
$155
Permit Type:
N/A
Building Type:
N/A
40 gallon water heater install with ground kit drip pan and earthquake strap. replacing stand with a metal stand and vent system up to s
Valuation:
$2,585
Permit #:
BLD2023-01838
Status:
issued
Fee:
$154
Permit Type:
N/A
Building Type:
N/A
40 gal. - basic install with ground kit drip pan and earthquake strap. installing a new b-vent. running the t&p and pan drain to exterior
Valuation:
$2,526
Permit #:
BLD2022-06982
Status:
issued
Fee:
$154
Permit Type:
N/A
Building Type:
N/A
40 gallon water heater - basic installation with drip pan ground kit earthquake strap t&p drain line install and vent system up to s
Valuation:
$2,616
Permit #:
BLD2023-00050
Status:
complete
Fee:
$154
Permit Type:
N/A
Building Type:
N/A
50 gal water heater - basic install with earthquake strap drip pan extend double wall venting through sheet rock ceiling
Valuation:
$2,492
Permit #:
BLD2022-04797
Status:
complete
Fee:
$154
Permit Type:
N/A
Building Type:
N/A
40 gal. water heater - basic install with earthquake strap install t&p drain line and 3 venting through the main stack
Valuation:
$2,394
Permit #:
BLD2022-04796
Status:
complete
Fee:
$154
Permit Type:
N/A
Building Type:
N/A
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141
BZ Score
$2.7K
Avg Project
-
Projects
142
BZ Score
$25K
Avg Project
-
Projects
142
BZ Score
$6.5K
Avg Project
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Projects
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Verified License
BuildZoom confirmed this contractor's license
Just Water Heaters Inc License info
Verified License
| License # | 1091894 |
| Status | Active |
| State | California |
| Type | Plumbing |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Just Water Heaters 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 # | 997251 |
| Status | Active |
| State | California |
| Type | Plumbing |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Just Water Heaters Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 591329 |
| Status | Active |
| City | Milpitas |
| Type | Contractor, Plumber |
- When BuildZoom last verified this license, it had an expiration date of March, 2012. Check the current license status of Just Water Heaters Inc with the The City of Milpitas, CA
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 0000935 |
| Status | Active |
| Town | Woodside |
| Type | Subcontractor |
- When BuildZoom last verified this license, it had an expiration date of March, 2012. Check the current license status of Just Water Heaters Inc with the The Town of Woodside, CA
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 591329 |
| Status | Inactive |
| City | Oceanside |
| Type | Contractor |
- According to the City of Oceanside, CA, 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 Just Water Heaters Inc at the City of Oceanside, CA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 591329 |
| Status | Inactive |
| State | California |
| Type | Plumbing |
- 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 Just Water Heaters 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 # | 861152 |
| Status | Inactive |
| State | California |
| Type | Plumbing |
- 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 Just Water Heaters 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 | Indemnity Company Of California |
| Bond Value | $5,000 |
Insured
| Workers Comp Provider | Amguard Insurance Company |
42.8K
Permits
- Building permit records show that Just Water Heaters Inc has worked on 42839 permitted projects.
Just Water Heaters Inc Employees
AG
Andrew Wise Goodman
Rmo / Ceo / Pres
CG
Corrine G. Gilroy
Owner
CG
Corrine Gloria Gilroy
Rmo / Ceo / Pres
DN
Doniel Lyntice Nunn
Sole Owner
JI
Just Water Heaters Inc
Owner
MM
Matthew Steven Montague
Sole Owner
MS
Michael Albert Skelly
Rme
Just Water Heaters & Plumbing installed our tankless water heater. Matthew
Montague did a professional job. His personality was great. He did it for a great price. We are extremely happy with his work. I would recommend getting a quote from this company before you choose a company for the job.