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TRUSTED BY CONCORD, CA HOMEOWNERS

  • Average homeowner rating star icon4.2
    Average homeowner rating
  • Verified reviews icon153
    Verified pool and spa services reviews

Top-Rated Pool and spa technicians in Concord - Updated Nov 2026

Avatar for Diverse Scape Pools & Spas
Diverse Scape Pools & Spas
5.0(
40
)
In Ground Swimming Pool or Accessories - Repair or ServiceSwimming Pool - Clean and Maintain

Serving Concord, CA and surrounding areas

Approved

In business since 2010

Free estimates

Warranties offered

"What an amazing experience to work with diverse scape Pool’s and spa ,Armondo was very polite and helpful with getting everything we needed for our pool to be built. Absolutely an amazing company to work with. Thank you Diverse scape pool And Spa."
Customer FIr Pit with seating wall
Pool & Spa
Pool & Water feature
Custom Pool & Spa
Pool & Spa

+92

Response time1 day
Recommended by58%of homeowners
PFS Pool and Spa Service
4.8(
27
)
In Ground Swimming Pool or Accessories - Repair or ServiceSwimming Pool - Clean and MaintainSwimming Pool Heaters - Install or Replace+1 more

Serving Concord, CA and surrounding areas

Approved

In business since 1997

Free estimates

Credit card accepted

"Cannot recommend more highly! My pool heater went out the morning we were hosting my 9-year old daughter’s birthday pool party. Naji arrived within an hour of contacting him, found that the issue was only a loose wire, and charged me only a home visit fee - on a Saturday! Everyone else that I reached over the phone wanted to schedule weeks out and recommended replacing the equipment. I’m so pleased, I will look for more work to send his way!!"
Response time1 day
Recommended by88%of homeowners
Avatar for OASIS POOL SERVICES LLC
OASIS POOL SERVICES LLC
5.0(
5
)
Swimming Pool - Clean and Maintain

Serving Concord, CA and surrounding areas

Approved

In business since 2020

Free estimates

Credit card accepted

"I have been impressed with Oasis Pool Service, LLC, led by Kevin and his dedicated team. Their expertise in pool maintenance, particularly in chemical management, has made a significant difference in the clarity and health of my pool. Kevin has an extensive understanding of water chemistry and ensures that pH levels, chlorine, and alkalinity are meticulously monitored and adjusted. This careful attention has not only kept the water safe for swimming but has also contributed to the longevity of my pool equipment. I appreciate Kevin's commitment to educating me about the importance of regular chemical maintenance. He proactively identifies potential issues, saving me both time and future costs. Overall, I recommend Oasis Pool Service, LLC for anyone seeking reliable pool care, especially regarding chemical management. Their professionalism and dedication to quality service are commendable."
Weekly Cleaning
Weekly Cleaning
Weekly Cleaning
Weekly Cleaning
Weekly Cleaning

+7

13 neighbors recently requested a quote
Avatar for Pool Yeti's
Pool Yeti's
5.0(
7
)
Swimming Pool - Clean and Maintain

Serving Concord, CA and surrounding areas

Approved

In business since 2024

Free estimates

Credit card accepted

"Very thorough and helpful in going over the equipment and maintenance. As well as the seasonal requirements that a pool needs. I thought the water just needed to stay chlorinated but there is so much more. Great company I would recommend to anyone."
11 neighbors recently requested a quote
Avatar for PARADISE POOL FIBERGLASS
PARADISE POOL FIBERGLASS
4.3(
6
)
In Ground Swimming Pool or Accessories - Repair or ServiceReplace Vinyl Liner for Swimming PoolSwimming Pool Heaters - Install or Replace+1 more

Serving Concord, CA and surrounding areas

Approved

In business since 2008

Free estimates

Warranties offered

"Matt and his team did a FANTASTIC job of getting exactly the work we needed. Matt is so kind and really listened to our needs and our budget and was able to tailor the project to give us exactly what we were hoping for. Additionally we were able to get the work done really quickly and the team were very professional, worked quickly, were on time, and left the job site spotless. I am so relieved and grateful we found Matt at Paradise Pools- we weren’t expected to need to have a fiberglass pool repair/resurface when we moved to a new house, and people with the skills to do the job are few and far between. Definitely give them a call if you need work done on your pool!"
My Work
My Work
My Work
My Work
My Work

+26

Response time1 day
Response rate98%
6 neighbors recently requested a quote
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Pool and Spa Servicing FAQs, answered by experts

To refill a hot tub after winter, start by opening up the tub and giving it a quick cleaning. If you use antifreeze, drain out the water then grab a hose and thoroughly clean the tub shell out, spraying water into each jet of the tub. 

Reconnect the hot tub and turn the power back on. When it’s time to fill the tub again, insert the hose into the filter well (if available). Avoid trapping too much air in the water lines, which can cause the pump to lock up when it starts again. Add the necessary chemicals and start the heating process. It will take some time—most of a full day—for the water to heat up again.

Hot tub repairs cost between $200 and $500 on average. You can minimize those costs by maintaining your hot tub and keeping necessary supplies on hand. An elevated shelf in the garage is a great place to store your water care chemicals so that kids and pets will stay safe and you’ll always have them around. 

Your hot tub should be drained of existing water, cleaned, and refilled every three to four months at a minimum. Follow your tub manufacturer’s recommendations for cleaning, and rinse thoroughly when finished to eliminate any residue from the cleaning products. This is also a good time to inspect your tub’s cover in good lighting for any leaks, tears, or other damage that might cause problems. 

Using your hot tub manufacturer’s suggested cleaners and methods, keep your hot tub filters clean to avoid a loss of water heat. This will help extend the filter’s useful life and efficiency. If the filter is more than two to three years old, replace it with a new one and buy a second filter to keep around as a spare.

Using bubble bath, bath oils, bath salts, or moisturizing products that contain butters or oils can damage your jetted tub. Because of the water pump and jet mechanism, you need to be more selective with products for a jetted tub than you would for a traditional bathtub in order to keep it functioning properly and avoid expensive repairs. These products also leave residue that can feed mildew and mold, so it’s best to avoid them.

How often you change the water in your swim spa depends on how often you use it. Most manufacturers recommend changing the water every three to six months. If you use your swim spa throughout the seasons, it’s a good idea to set up a quarterly deep cleaning schedule. The ideal instructions should be in the owner’s manual.

You’ll know you need to replace the pump in your hot tub if you hear loud or unusual noises when the machine is running or notice a significant decrease in water pressure. A leak or altogether failure of the hot tub may also indicate a problem with the pump, but you’ll need a professional to investigate the source of the issue.

The Concord, 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.