Updated: May 26, 2026
Location and Projects
Address
970 E Main St, Grass Valley, CA, 95945
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Water Heaters Only Plumber
Water Heaters Only, Inc is a full service water heater repair, replacement and installation company offering residential, commercial and tankless water heaters. We are licensed, bonded and insured with local offices in the San Francisco Bay Area, Los Angeles / Orange County, San Diego, Sacramento, Greater Dallas, Fort Worth and Phoenix areas.
Water Heaters Only, Inc has been specializing in all aspects of water heater replacement and repair service since 1968 and is considered an expert in the industry. Absolutely the highest quality work for the lowest price is our guarantee. Our years of experience, along with the use of quality products and pride in our workmanship has kept our valued customers returning for all their hot water needs.
We invite you to browse our website for more information and to learn about our company. We are the proud recipient of the Angie's List super service Award for 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 and 2016. Our commitment to customer service along with our dedication to providing quality water heater service shows itself in the pride our technicians take in the job they do. Please read our valued customer reviews to confirm for yourself why Water Heaters Only, Inc is the best choice for all your water heater needs. For immediate water heater service, 24 hours a day 7 days a week, please contact us directly at 1-866-946-7842.
From BuildZoom: Water Heaters Only Inc, 970 E Main St, Grass Valley, CA holds a Contractor license and 2 other licenses according to the Oceanside license board.
Their BuildZoom score of 129 ranks in the top 1% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Water Heaters Only Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Water Heaters Only Inc Grass Valley
Quality
129
99th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Water Heaters Only Inc has a BuildZoom score of 129, which places them above 99% of 336,931 contractors in California.
Activity
|
9 projects
|
2026 |
|
609 projects
|
2025 |
|
316 projects
|
2024 |
|
361 projects
|
2023 |
Our building permit records indicate that Water Heaters Only Inc has worked on at least
1295.0 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
|
1267 projects
|
Plumbing projects |
Analyzing permits over the last 4 years shows that Water Heaters Only Inc mostly works on
plumbing project
projects.
Pricing
|
673 projects
|
< $5k |
|
31 projects
|
$5k-$20k |
|
1 project
|
$20k-$50k |
The typical size of their permits is approximately $2,706. 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.
Water Heaters Only Inc Reviews
5 out of 5 stars, based on
3
reviews
-
By KatySeptember 14, 2018Verified Hire
-
By VikramSeptember 14, 2018Verified Hire
My experience with them was good and I would recommend them.
-
By Ed H.March 24, 2017Verified Hire
They did a fine job and the heater is still working fine.
Building Permits by Water Heaters Only Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Water heater permit: change-out installation of gas - 040 gallon to gas - 040 gallon located inside building screening not required. water conserving fixtures are required to be installed throughout this residence per sb 407 (note: residences built after january 1 1994 are exempt). carbon monoxide & smoke alarms required. reference crc sections r315 & r314
Valuation:
$2,654
Permit #:
RES-2502132
Status:
final
Fee:
$91
Permit Type:
N/A
Building Type:
Single family
Water heater permit: change out of a 50 gallon gas water heater located inside the garage. water conserving fixtures are required to be installed throughout this residence per sb 407 (note: residences built after january 1 1994 are exempt). carbon monoxide & smoke alarms required. reference crc sections r315 & r314
Valuation:
$2,939
Permit #:
RES-2515880
Status:
final
Fee:
$91
Permit Type:
N/A
Building Type:
Single family
Change-out installation of gas - 040 gallon to gas - 040 gallon located inside building screening not required; carbon monoxide & smoke alarms required. reference crc sections r315 & r314
Valuation:
$2,989
Permit #:
RES-2510333
Status:
final
Fee:
$91
Permit Type:
N/A
Building Type:
Single family
Remove and install the water heater with new hot and cold water flex lines insulation wrap bonding clamps/wire horizontal wall blocks and earthquake strap unit to code. install 5 feet of t&p line and reattach the existing venting
Valuation:
$2,700
Permit #:
BLD2026-01950
Status:
issued
Fee:
$155
Permit Type:
N/A
Building Type:
N/A
Water heater changeout only. no additional electrical mechanical plumbing or structural work permitted.; 40-gallon traditional gas water heater c/o in laundry room
Valuation:
$2,879
Permit #:
WHTR2025-00170
Status:
complete
Fee:
$118
Permit Type:
N/A
Building Type:
N/A
Water heater changeout only. no additional electrical mechanical plumbing or structural work permitted.; changeout electric 50 gal model bw re250t6 in utility closet
Valuation:
$3,154
Permit #:
WHTR2025-00007
Status:
complete
Fee:
$118
Permit Type:
N/A
Building Type:
N/A
Change-out installation of gas - 040 gallon to gas - 040 gallon located inside building screening not required. water heater change out. carbon monoxide & smoke alarms required. reference crc sections r315 & r314
Valuation:
$2,591
Permit #:
RES-2515027
Status:
final
Fee:
$91
Permit Type:
N/A
Building Type:
Duplex
Residential: limited review - electrical mechanical plumbing roof solar etc
2025-04-29
Water heater c/o like for like same location heat source: gas replacement additional: replace existing type: standard size (gallons): 50 unit location: garage
Valuation:
$2,593
Permit #:
BLD24-07485
Status:
complete
Fee:
$186
Permit Type:
Alteration
Building Type:
N/A
Mf building is ineligible for a simple permit. see internal comments. eflo like for like replacement of gas water heater no change to location. 40 gallons
Valuation:
$2,913
Permit #:
BLD25-01757
Status:
complete
Fee:
$336
Permit Type:
N/A
Building Type:
N/A
Water heater changeout only. no additional electrical mechanical plumbing or structural work permitted.; 50 gal gas water heater changeout outside closet
Valuation:
$3,299
Permit #:
WHTR2025-00792
Status:
complete
Fee:
$118
Permit Type:
N/A
Building Type:
N/A
Remove and replace 119 gallon traditional gas water heater c/o in outdoor closet. for building 751. water heater will service entire building(73 units)
Valuation:
$6,352
Permit #:
MEP-2025-298104
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Water heater changeout only. no additional electrical mechanical plumbing or structural work permitted.; 40 gals water heater changeout in garage. electric
Valuation:
$2,679
Permit #:
WHTR2025-00598
Status:
issued
Fee:
$118
Permit Type:
N/A
Building Type:
N/A
Water heater changeout only. no additional electrical mechanical plumbing or structural work permitted.; 40 gal gas water heater changeout outside closet
Valuation:
$2,826
Permit #:
WHTR2025-00585
Status:
issued
Fee:
$118
Permit Type:
N/A
Building Type:
N/A
Water heater changeout only. no additional electrical mechanical plumbing or structural work permitted.; 40 gal gas water heater changeout outside closet
Valuation:
$2,696
Permit #:
WHTR2025-00584
Status:
complete
Fee:
$118
Permit Type:
N/A
Building Type:
N/A
Water heater changeout only. no additional electrical mechanical plumbing or structural work permitted.; 40 gallon gas water heater change out in the garage
Valuation:
$2,920
Permit #:
WHTR2025-00465
Status:
issued
Fee:
$118
Permit Type:
N/A
Building Type:
N/A
Water heater changeout only. no additional electrical mechanical plumbing or structural work permitted.; 40 gallon gas water heater change out in a closet
Valuation:
$2,957
Permit #:
WHTR2025-00438
Status:
issued
Fee:
$118
Permit Type:
N/A
Building Type:
N/A
Water heater changeout only. no additional electrical mechanical plumbing or structural work permitted.; 40 gallon gas water heater change out in the garage
Valuation:
$2,659
Permit #:
WHTR2025-00351
Status:
complete
Fee:
$118
Permit Type:
N/A
Building Type:
N/A
Water heater changeout only. no additional electrical mechanical plumbing or structural work permitted.; 40 gal gas water heater changeout outside closet
Valuation:
$2,799
Permit #:
WHTR2025-00350
Status:
complete
Fee:
$118
Permit Type:
N/A
Building Type:
N/A
Water heater changeout only. no additional electrical mechanical plumbing or structural work permitted.; 40 gal electric water heater changeout utility room
Valuation:
$2,974
Permit #:
WHTR2025-00289
Status:
complete
Fee:
$118
Permit Type:
N/A
Building Type:
N/A
Residential: limited review - electrical mechanical plumbing roof solar etc
2025-01-30
50 gal water heater changeout garage gas type: propane work location: interior only type feet size of pipe: 50 equipment serviced: 1 equipment demand: 35
Valuation:
$2,611
Permit #:
BLD25-00500
Status:
issued
Fee:
$186
Permit Type:
Alteration
Building Type:
N/A
Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Water Heaters Only Inc License info
Verified License
| License # | 374573 |
| Status | Active |
| City | Oceanside |
| Type | Contractor |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Water Heaters Only Inc at the City of Oceanside, CA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 934514 |
| Status | Inactive |
| State | California |
| Type | Plumbing |
| 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.
Check this license's status for Water Heaters Only 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 # | 683883 |
| Status | Inactive |
| City | Butte County |
| Type | Contractor |
| Business Type | Corporation |
- According to the Butte County, CA, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Water Heaters Only Inc at the Butte County, CA.
This is a sample of licensing data; click here to access a complete history.
129
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Norguard Insurance Company |
27.5K
Permits
- Building permit records show that Water Heaters Only Inc has worked on 27486 permitted projects.
I would highly recommend this company for any repairs or replacements of water heaters. There have been no issues with the unit since August of last year! Very reliable and quick service, and the technician Chris was great also.I know they do a lot of work with property management companies as well all around the state.