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Verified Reviews for Water Softener Service pros in Mill Valley, CA

*The Angi rating for Water Softener Service companies in Mill Valley, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Water Softener Service needs.

*The HomeAdvisor rating for Water Softener Service companies in Mill Valley, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Water Softener Service needs.

Last update on July 03, 2026

Find Water softener pros in Mill Valley

Avatar for Oak Plumbing Inc
Oak Plumbing Inc
4.6(
101
)
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or Service

Serving Mill Valley, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2016

Free estimates

Emergency services offered

"The plumber came almost at the end of the appointed time. When he arrived, he was fairly arrogant, and refused to negotiate despite coming from Angie's list. Lastly, he repaired the leaky line in about an hour, charging $530, and also did not provide the water plastic box for water line. We had to purchase one from another store. When I paid for the invoice, they didn't tell me that they are charging additional 3% with credit card. All in all, they did the work, but at a high price, and so so customer service."
Response time2 days
4 neighbors recently requested a quote
Recommended by85%of homeowners
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Avatar for Bragg Home Services
Bragg Home Services
4.7(
47
)
Water Treatment & Purification System - Install or Replace

Serving Mill Valley, CA and surrounding areas

Approved

In business since 1968

Free estimates

Small jobs welcome

"Our plumber was very professional. He fixed our issue and made sure everything was clean and working. I would highly recommend."
Response time2 days
Response rate100%
141 neighbors recently requested a quote
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Avatar for Divine Electric, Inc.
Divine Electric, Inc.
4.5(
35
)
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or ServiceWell Pump - Repair or Service

Serving Mill Valley, CA and surrounding areas

Approved

In business since 2003

Warranties offered

Credit card accepted

"Good service. Nice clean team"
Service Marin since 2003!
The team!
The team!
The team!
The team!

+4

Response time1 day
97 neighbors recently requested a quote
Recommended by81%of homeowners
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Avatar for Hydro Works Well & Pump
Hydro Works Well & Pump
5.0(
7
)
Well Pump - Repair or Service

Serving Mill Valley, CA and surrounding areas

Approved

In business since 2004

Emergency services offered

Warranties offered

"Josh was informative, helpful, and clear on the work."
Completed Pump System
Flow Test
Pressure tank & controller
Panel Mounting
Pressure system

+3

Response time8 hrs
29 neighbors recently requested a quote
Recommended by100%of homeowners
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Avatar for Quality Pump Service
Quality Pump Service
4.5(
50
)
Well Pump - Repair or Service

Serving Mill Valley, CA and surrounding areas

Approved

In business since 2010

Emergency services offered

Small jobs welcome

"This business operates with integrity and honesty which is difficult to find these days. I'd highly recommend them for any commercial or residential plumbing and water-well project or issues."
Response time5 hrs
12 neighbors recently requested a quote
Recommended by87%of homeowners
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Avatar for Moore Home Services
Moore Home Services
4.4(
225
)
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or Service

Serving Mill Valley, CA and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"They did a great job. I'm happy would recommend"
After 1
View 1
Right Side View
Perfect Retrofit
After 2

+15

30 neighbors recently requested a quote
Recommended by98%of homeowners
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Avatar for Albion Plumbing & Rooter Inc
Albion Plumbing & Rooter Inc
1.0(
1
)
Well Pump - Repair or Service

Serving Mill Valley, CA and surrounding areas

Approved

In business since 2007

Free estimates

Emergency services offered

At Albion Plumbing & Rooter Inc., our mission is simple: complete customer satisfaction. We provide reliable, high-quality plumbing services with personalized attention, honest communication, and a stress-free experience.\nFrom small repairs to larger plumbing projects, our team brings the same commitment to service, safety, quality, and attention to detail to every job. We offer competitive pricing while never compromising the professional artistry our customers deserve.\nWe value the trust our customers place in us and look forward to building lasting relationships throughout the Bay Area—one satisfied customer at a time.\n

1 neighbors recently requested a quote
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Avatar for Same Day Plumbing, Heating, Cooling
Same Day Plumbing, Heating, Cooling
New to Angi
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or Service

Serving Mill Valley, CA and surrounding areas

Approved

In business since 2023

Free estimates

Emergency services offered

Family-owned Same Day Heating, Cooling, Plumbing operates out of Windsor, just north of Santa Rosa. We offer fast, reliable AC repair and installation services, heater repair & installation, and plumbing services, in the North Bay area of California. Our promise to you is always that if we do not fix your system the SAME DAY we arrive… you DON’T pay the service fee. Our home service experts are licensed and insured with more than 100 years of leadership experience. Additionally, we back all of our installation and replacement services with a 24-month, 100% satisfaction guarantee.

Additional Photos
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+8

73 neighbors recently requested a quote
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Avatar for Clearwater Plumbing
Clearwater Plumbing
4.9(
225
)
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or ServiceWell Pump - Repair or Service

Serving Mill Valley, CA and surrounding areas

In business since 1998

Free estimates

Emergency services offered

"The guys at Clearwater are excellent: competent, friendly, professional, quick, and clean."
Additional Photos
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Additional Photos

+18

Recommended by97%of homeowners
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Avatar for Puronics Service, Inc.
Puronics Service, Inc.
4.0(
38
)
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or Service

Serving Mill Valley, CA and surrounding areas

In business since 1991

Free estimates

Warranties offered

"He was on time, very professional and knowledgeable. Finished on time cleaned up nicely. Excellent price great tasting water"
Response time1 day
Recommended by100%of homeowners
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Showing 1-10 of 49
Water Softeners questions, answered by experts

Whether you need a permit or license for a water softener installation depends on your location, as requirements vary significantly. Some municipalities require the installer to hold a plumbing license, some mandate a permit and an inspection, and others require both. In some areas, no special permit or license is needed at all.

To determine the rules in your area, you can contact your local building department or consult a local water softener installer or plumber. Often, only certified professionals are authorized to pull the necessary permits, and they will typically handle the entire permitting process for you. Regardless of local laws, it is always recommended to hire a licensed professional to ensure the system is sized and installed correctly. You can use Angi’s state licensing tool to check an installer’s license status.

A tankless water heater should be at least 10 feet away from a water softener, although the pros you hire for water softener installation can help you determine the correct distance. These two units need to have some distance between them to prevent hot water from the tankless water heater from flowing backward into the water softener when it runs a regeneration cycle.

Most of the U.S. has hard water, especially across portions of the West and Midwest. The areas with the hardest water include parts of Texas, Oklahoma, Kansas, Colorado, New Mexico, Utah, Wyoming, Illinois, North and South Dakota, Ohio, and New York. You’ll find soft water in parts of New England, the Southeast, the Pacific Northwest, and Hawaii.

Softener systems extend appliance life spans, improve skin and hair health, and reduce pipe buildup by removing minerals like calcium and magnesium.

Experts recommend that you put two to four bags of potassium chloride in your water softener every month. This amount depends on how much is in the bag (40 pounds is most common) and what your water softener manufacturer recommends. For more specific advice, talk to a water softener pro in your area and read the manual that came with your system.

The Mill Valley, CA homeowners’ guide to water softener services

From average costs to expert advice, get all the answers you need to get your job done.

See all articles