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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

"During the inclement weather we experienced earlier this year (2023), our pool overflowed and flooded our backyard. We discovered that the pool overflow pipe was blocked or broken due to massive roots from nearby Redwoods. As there was no way to replace the pipes, given damage we would cause to the tree by cutting large roots so close to the trunk base, we elected to install a new overflow on the other side of the pool. I searched Angi and was matched with PFS led by Naji the company's founder. Naji visited with his team to do a free consult, and provided a quote the following day - a very reasonable and competitive price. The work was scheduled for the following week, but had to be re-scheduled due to an illness. The team arrived and prepped the area, removing concrete where the new overflow was to be installed. The concrete cuts were precise and extremely neat. Unfortunately during the removal of a stubborn root, one of the pipes leading to the spa was cut. The team immediately informed me of the mishap and called in a repair team (on a weekend!). New spa pipes were installed followed by the new overflow pipe. The team returned on Monday to complete the concrete work. Megail is a true genius with concrete, perfectly matching the existing aggregate. He even used a slightly different product (color and pebble size) to match a small section of overlap with a previous company's mismatched concrete work following a drainage job. Naji, the owner is a fascinating man and a terrific businessman. I thoroughly enjoyed talking to him, and respected the way he oversaw the job from beginning to end. I would highly recommend him and PFC to anyone needing pool repairs. I will also add that Angi is a great platform! The match to a pro was perfect, navigating the site was simple and efficient, the follow-up was first class. I will only use Angi from now on - no more Yelp or Nextdoor."
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

14 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."
13 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%
7 neighbors recently requested a quote
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Pool and Spa Servicing FAQs, answered by experts

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.

For a fully-foamed hot tub, freezing typically occurs when the temperature drops below 28 degrees Fahrenheit and remains at or below this level continuously for a minimum of 36 hours. If your hot tub and pumps are still operational, however, the water circulates, and this continuous movement helps prevent freezing, even in very cold conditions. This circulation, along with the insulation provided by the foam, helps maintain the water temperature and prevent it from freezing during extended cold periods. Still, if you’re not planning to run it regularly, be sure to winterize the hot tub properly to prevent damage from freezing.

Most hot tubs will experience leaks due to wear and tear in the plumbing or the shell itself. The second most common issue is a heater malfunction due to the ongoing heat stress on moving parts. Finally, clogs happen in hot tub jets, especially when it’s time to change the filter.

In most cases, it is safe to clean a hot tub with vinegar. You will want to verify that your hot tub manufacturer lists vinegar as a safe cleaning product; however, given that vinegar is chemical-free, cleans, deodorizes, and is safe for people and pets, it is usually a good option. You can use vinegar to clean the hot tub shell, interior and exterior spa surfaces, hot tub jets, hot tub filter, and other parts. It is considered a strong, safe, and natural cleanser that can kill bacteria, remove mold and mildew spores, erase water spots, and remove hard water stains.

When your hot tub is completely dry, there is typically no need to introduce antifreeze into the plumbing. However, if you desire an extra layer of protection against potential freeze damage, you can consider adding some RV antifreeze to your hot tub lines. Just ensure that you use RV antifreeze specifically, as automotive antifreeze is highly toxic and should be avoided.

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.