How much do tankless water heater services typically cost?
- Walnut, California Average$2,429
- Typical Range$0 - $3,000
- Low End - High End$750 - $5,500

HVAC NEEDS, Plumbing, Performance Air Conditioning , and 1 more
"I recently had the pleasure of working with Authority Plumbing, and I cannot recommend them highly enough. From the outset, they came to my home with a plan that demonstrated their deep understanding of plumbing challenges. Clayton, the technician assigned to my project, was exceptional. He took the time to listen to my concerns and opinions, making sure that I felt heard and valued. He explained each step, ensuring I was comfortable with the plan before proceeding. When a sub-contractor was brought on to streamline the process started making several errors, Clayton quickly took charge of the situation. They fixed these mistakes, alongside resolving my initial drainage issues, at no additional expense, was truly remarkable. The team demonstrated a genuine commitment to ensuring the work was completed to the highest standard. Thanks to their efforts, my plumbing issues have been resolved. I would not hesitate to recommend them to anyone in need of professional plumbing services."
AB684F47244A0CD28AF45256BEB426A4F6473444084C8DE5CE96E4E7803186A5 1. in October 2025
"Wilson was respectful, considerate and clean. He was also punctual, polite and professional.. Pleasant overall experience, Task completed as described."
Michael P. in October 2023
plumbing, Plumbing, 10% off for first time customers
"Very professional, always on time. Would hire them again"
Linda S. in December 2022

Plumbing, Flood services, Additions , and 1 more
"Fair pricing good work done and professional good job done fare pricing"
80ADE79AE79C576675CF28B4C0254238059661A67C8A3585AA7E2562B8EC4CDC 2. in December 2025
slab leaks, leak detection, water heaters , and 2 more
"Plumber Matt Hernandez did an excellent job at quickly diagnosing an issue with a water leak from our upstairs shower that caused damaged to our kitchen ceiling downstairs. Matt was able to replace and repair our shower faucet assembly in a timely manner. Would highly recommend him."
Al S. in April 2019

Sewer Camera Inspections and Trenchless Sewer Repair, Certified Tankless W/H Installers - Nortiz, Navien, Rheem and Rinnai, Water Heater Repair and Installation Experts , and 2 more
"Great job...thank you!!!"
Heather L. in December 2020

In business since 2022
Plumbing Service and Repairs
About us: "We have the experience and we are committed to providing quality workmanship and superior customer service on all our applications. We at Austin Hill Plumbing strive to maintain our reputation as a high quality, very service oriented company with our main focus being customer satisfaction."

In business since 2023
HVAC, Plumbing
About us: "All Plumbing Solutions is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests, and make their concerns the basis of our business."
In business since 2018
About us: "HomeBreeze is Southern California's #1 water heater specialist. We offer upfront, transparent prices & remote quotes so that you don't have to wait for an on-site visit to get a scope and price. No surprises once the plumber arrives -- just honest service with low prices. See our reviews to see how much our customers love our service."
Walnut Plumbers are rated 4.8 out of 5 based on 1093 reviews of 1093 pros.
The HomeAdvisor Community Rating is an overall rating based on verified reviews and feedback from our community of homeowners that have been connected with service professionals. See individual business pages for full, detailed reviews.
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