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TRUSTED BY MILL VALLEY, CA HOMEOWNERS

  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon27
    Verified pool and spa services reviews

Top-Rated Pool and spa technicians in Mill Valley - Updated Nov 2026

DM North Bay Pool Services
4.5(
163
)
Swimming Pool - Clean and Maintain

Serving Mill Valley, CA and surrounding areas

Approved

In business since 2007

Free estimates

Customers say: Quality work

"????? Reliable, hardworking, and goes the extra mile Domingo with DM North Bay Pool Service has taken care of our pool in Kentfield for over a year and a half, and I can say without hesitation that he is one of the most patient, loyal, and motivated service providers I have worked with. He took on our pool when it needed a full startup ? initial deep cleaning, filter work, booster pump installation, and chemistry rebuild ? and got it dialed in quickly. From there, he handled monthly service consistently, communicated well via text, and always made time to talk through what the pool needed. When we had to pause service for several months while the property sat empty, the pool fell into rough shape ? algae bloom, heavy debris, neglected hot tub. Domingo came back without complaint, brought the right equipment, and restored the pool to swim-ready condition. He treated it like his own. That?s the kind of work ethic you don?t find easily. A few things that stand out about"
Response time6 hrs
Response rate96%
7 neighbors recently requested a quote
Fredy's Pool & Spa Service Inc
3.4(
12
)
Swimming Pool - Clean and Maintain

Serving Mill Valley, CA and surrounding areas

Approved

In business since 2017

Free estimates

Offers commercial services

"The service was great and professional. Fredy and Jimmy (his technician) were thorough in their assessment of my pool's problems. They took care of them (those problems) in an extremely quick time. I would totally recommend their service to all my friends."
3 neighbors recently requested a quote
Recommended by87%of homeowners
Avatar for McCormick Home Builders, Inc.
McCormick Home Builders, Inc.
4.7(
42
)
Swimming Pool - Clean and Maintain

Serving Mill Valley, CA and surrounding areas

Approved

In business since 2017

Free estimates

Customers say: True professional

"We hired McCormick to remodel our master bathroom, and the process couldn’t have been smoother. Khaled guided us through everything, and his team was skilled and respectful. They handled the job efficiently, stayed within budget, and kept our home tidy. Now, our bathroom feels like a relaxing oasis, with high-quality finishes and a modern touch we love. McCormick’s attention to detail really made the difference, and I’d gladly hire them for future remodels. This experience was everything we hoped for."
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+1

Response time6 hrs
Recommended by17%of homeowners
RSF Construction Inc.
1.0(
1
)
Replace Vinyl Liner for Swimming PoolSwimming Pool - Clean and Maintain

Serving Mill Valley, CA and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

RSF Construction Inc. is a leader in providing our customers with the highest quality service in an honest, efficient, and professional way. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations. We look forward to working with you!

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Pool and Spa Servicing FAQs, answered by experts

Yes, hot tubs can use a significant amount of electricity, primarily to keep the water heated. A typical hot tub uses between 1,500 and 6,000 watts, and the pump can add another 1,500 watts. This usage can result in a monthly cost of around $20 to $30. The exact amount of electricity consumed depends on several factors, including the hot tub's age, size, heater voltage (120V vs. 240V), usage habits, and thermostat setting. Newer, energy-efficient models generally use less power than older ones. To reduce electricity costs, consider investing in an energy-efficient model, using a quality insulated cover with a thermal blanket, and keeping the filters clean.

Shocking your hot tub means adding extra chemicals to the water. Most spa experts recommend doing this once a week for proper hot tub maintenance, but you can do it more if needed. Shocking has multiple benefits, including preventing the water from becoming murky and it’s essential in removing harmful bacteria from the water.

If your hot tub is well-maintained, covered tightly, and the water is balanced and sanitized correctly, it can remain unused for up to two weeks without significant issues. Beyond this period, the water quality may start to deteriorate, potentially leading to the growth of algae and bacteria. However, it's crucial to note that this timeline can change due to factors like water temperature, sanitation levels, and the quality of your hot tub cover. Regular maintenance and water testing are essential to ensure the water remains safe and clean during periods of inactivity.

Generally, it is more cost-effective and energy-efficient to leave your hot tub on all the time rather than turning it on and off. Reheating a hot tub from a cold temperature consumes a significant amount of energy, so maintaining a constant temperature is usually more economical, especially with frequent use.

For daily or weekly use, it's recommended to keep the water at a constant, reduced temperature, such as between 80 and 95 degrees Fahrenheit, and then increase it to your desired temperature before getting in. If you know you won't be using the hot tub for an extended period, you can lower the temperature to save on energy costs. However, if you use it very infrequently, you can turn it off completely, as long as there is no risk of the water freezing.

The best thing with which to clean a hot tub is whatever the manufacturer recommends; in most cases, this is a gentle surface cleaner and a soft cloth. Recommended hot tub cleaners can include specially formulated cleaning agents, mild dish soap, baking soda, vinegar, or diluted bleach. For your hot tub exterior, choose wood or vinyl cleaner (depending on the casing material).

You should never use household cleaning products, harsh chemicals such as undiluted bleach or acids, or abrasive cleansers or cloths, as these can scratch or etch your hot tub’s coating or shell and cause permanent damage.

The Mill Valley, CA homeowners’ guide to pool and spa services

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