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Top-Rated Water heater installers and replacers in Simi Valley - Updated Nov 2026

Avatar for THE Water Heater Company
THE Water Heater Company
4.9(
134
)
Water Heater - Install or Replace

Serving Simi Valley, CA and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 2018

Free estimates

Emergency services offered

"Installer Tony G. (5 stars). Very competent; very complete. At every step he explained what he was doing and why. Answered all of my questions. Company itself stands by its service (both the install and the water heater itself). All ancillary equipment replaced and up to the latest codes. Water heater itself (Bradford White) is top grade (and made in the USA). Again 5 Stars for Tony G. and The Water Heater Company."
Van (Side view)
TWHC Vans
TWHC Vans
TWHC Vans
TWHC Vans

+83

Response time7 hrs
Response rate92%
Recommended by84%of homeowners
Avatar for Payless Water Heaters & Plumbing
Payless Water Heaters & Plumbing
4.2(
132
)
Water Heater - Install or Replace

Serving Simi Valley, CA and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"Perfectly. They cleaned everything up, explained how the system worked and how often it needs attention, and hauled away the old hot water heater. They arrived on time, worked steadily, and finished before dinner time."
New Tankless Water Heater Installation
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+19

Response time8 hrs
Response rate100%
Recommended by73%of homeowners
Avatar for G M C Plumbing, Inc.
G M C Plumbing, Inc.
4.9(
86
)
Water Heater - Install or Replace

Serving Simi Valley, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2019

Free estimates

Emergency services offered

"100% recommend. Very professional in every way as the other reviews say. Geremias and his nephews installed a tankless water heater for me, and it works great. Punctual, responsive, communicative, trustworthy, and the best price. I couldnâ t ask for better."
New Drainage
Old  shower Drainage
New kitchen faucet
New Drainage
New Drainage- SEWER LINE

+3

Response time5 hrs
Response rate97%
24 neighbors recently requested a quote
Avatar for Camarillo Rooter, LLC
Camarillo Rooter, LLC
5.0(
16
)
Water Heater - Install or Replace

Serving Simi Valley, CA and surrounding areas

Approved

In business since 2023

Free estimates

Credit card accepted

"Lonnie is an awesome plumber! When I first got my house he installed new water valves for my washer. Just recently he came to repair my water heater because it was leaking. He noticed I still had warranty on my water heater. Any other plumber probably would have charged me for a new one. I really appreciate his honesty. I would definitely recommend his services"
Recommended by78%of homeowners
Avatar for R R Electric Heating & Air
R R Electric Heating & Air
4.8(
17
)
Water Heater - Install or Replace

Serving Simi Valley, CA and surrounding areas

Approved

In business since 1994

Credit card accepted

Customers say: Quick response

"Hector was very knowledgeable and professional. They responded quickly to my request, gave me s bid on the spot and showed up on time when the waterheater installation began. I was pleased with the quality of the work. Highly recommended."
Response time2 hrs
12 neighbors recently requested a quote
Recommended by66%of homeowners
Avatar for Fix It Quick Plumbing Inc
Fix It Quick Plumbing Inc
5.0(
26
)
Water Heater - Install or Replace

Serving Simi Valley, CA and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

"Jonathan and Joaquin replaced our water heater and it went smoothly! They showed up on-time and finished in the amount of time they said it would take. Really appreciate their professionalism and efficiency!"
Drain&Rooter Service
Cleanout Install
Hydro-Jetting
Descale
Camera Inspection

+10

Response time5 hrs
Response rate100%
Recommended by4%of homeowners
Jaxael S Rizo
5.0(
11
)
Water Heater - Install or Replace

Serving Simi Valley, CA and surrounding areas

Approved

In business since 2023

Free estimates

Emergency services offered

"Rizo was very helpful and knowledgeable when removing my old stove top and replacing it with a brand new one. As an elderly and not really knowing how to pick these type if things, he was extremely helpful in helping me choose a new stove top. Any concerns I had he explained and answered them thoroughly. Very honest man! I will definitely use his business in the future."
Frizzlife Tankless Reverse Osmosis System
MOEN Flo Smart Water Monitor Automatic Shut Off
Frizzlife Tankless Reverse Osmosis System
Clients Old Shut Off Valve
Frizzlife Tankless Reverse Osmosis System

+16

Response time20 mins
Response rate100%
Recommended by90%of homeowners
Avatar for Stowell Plumbing LLC
Stowell Plumbing LLC
5.0(
11
)
Water Heater - Install or Replace

Serving Simi Valley, CA and surrounding areas

Approved

In business since 2024

Emergency services offered

Credit card accepted

Stowell Plumbing is a family-owned, veteran operated plumbing company in Thousand Oaks, CA, serving Westlake Village, Simi Valley, and nearby areas. We help homeowners and small businesses with emergency plumbing, drain cleaning, hydro jetting, and main line clogs, plus water heater repair, installation and replacement, and everyday fixture repairs like toilets, faucets, showers, and garbage disposals. Whether you need urgent help or a planned upgrade, you’ll get clear communication, respectful service, and clean workmanship from licensed plumbers who do the job right

Gallery
Gallery
Gallery
13 neighbors recently requested a quote
Avatar for 805 PLUMBING
805 PLUMBING
5.0(
23
)
Water Heater - Install or Replace

Serving Simi Valley, CA and surrounding areas

Approved

In business since 2023

Free estimates

Emergency services offered

"Alex with 805 Plumbing was quick to respond to our request for help with our septic system. He offered options for us to deal with the problem, and allowed me to watch as he diagnosed our situation with the use of a camera. I never felt pressure to take a path that would be more expensive, and every step of the way I was kept informed of what he had discovered. I am confident that our problems were efficiently taken care of, and although I would not wish septic problems on anyone I would recommend Alex and 805 Plumbing to anyone who is in need of plumbing services. Alex is a reliable, fairly priced, professional, and experienced plumber, and I will use him again in the future."
Kitchen line reroute
Kitchen reroute
Kitchen reroute
Kitchen re route
Kitchen reroute

+22

Response time4 hrs
4 neighbors recently requested a quote
Recommended by85%of homeowners
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