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Your Trusted Partner for Pool Services in Stewartsville, NJ
Cannonball Pools is a family-owned and operated business with over 20 years of industry experience dedicated to transforming backyards into dream oases. Our team of professionals specializes in pool installations, maintenance, renovations, and seasonal openings and closings, prioritizing customer satisfaction through personalized service. We combine technical expertise with a commitment to quality, offering tailored solutions for residential pool owners.

Our services include weekly and bi-weekly maintenance programs, equipment repairs, liner replacements, and full renovations, all backed by a focus on professionalism, honesty, and community values. With locations in Stewartsville and Pittstown, New Jersey, we serve local clients with prompt, reliable care, ensuring pools remain safe, functional, and visually appealing year-round.
Services
Pool Installations Maintenance Programs Pool Openings Pool Closings Renovations Liner Replacements Coping Replacement Patio Replacement Stair Replacement Full Renovation
Highlights and features
  • We have over 20 years of experience in residential pool services.
  • Our team provides personalized, customer-focused maintenance and repairs.
  • We offer comprehensive services from openings to full renovations.
  • Our technicians are trained in efficient chemical balancing and equipment troubleshooting.
  • We prioritize transparency, fairness, and community values in every project.
What people say
Service is outstanding Pool has never looked better Knowledgeable and caring staff Water quality is great Experts in pool maintenance
Services
Weekly Maintenance
Our weekly maintenance service ensures pools remain clean and chemically balanced. Technicians vacuum, brush, test water chemistry, and provide necessary adjustments. This proactive care prevents algae growth and equipment issues, saving homeowners time and effort.
Pool Renovations
We specialize in comprehensive pool renovations, including liner replacements, coping and patio upgrades, and stair installations. Our team addresses structural and aesthetic needs, restoring functionality and enhancing the visual appeal of aging pools.
Pool Openings
Our pool opening service prepares pools for summer use by removing winter covers, reinstalling equipment, and balancing chemicals. Technicians inspect systems for leaks and ensure optimal operation, providing a clean start to the swimming season.
Pool Closings
We winterize pools by draining waterlines, installing plugs, and adding closing chemicals. This process protects pools from freeze damage and debris accumulation, ensuring they remain protected during off-season periods.
Liner Replacements
We provide durable liner replacements for inground pools, addressing tears, fading, or wear. Our technicians ensure proper fit and sealing, extending the lifespan of pools while maintaining water integrity and aesthetics.
Questions
What is included in a pool opening service?
Our pool opening includes removing winter covers, reinstalling equipment, water testing, chemical balancing, and system leak checks. Vacuum service is available for an additional fee.
Do you offer seasonal pool closing services?
Yes, we provide pool closing services that involve winterizing systems, installing plugs, adding chemicals, and covering pools to protect against winter damage and debris.
What maintenance plans are available?
We offer weekly and bi-weekly maintenance programs covering cleaning, chemical balancing, equipment checks, and detailed service reports to keep pools in optimal condition.
Are financing options available for pool services?
Yes, we offer financing options for premium service packages, including savings on openings, closings, and maintenance programs. Contact us for personalized quotes.
What areas do you serve?
We serve Stewartsville, Pittstown, and surrounding areas in New Jersey, providing both in-store support and on-site pool services.
Reviews (4)
Crazy Kids
Jun 24, 2022 Report
Real solid pool store with a very good water test system. Employee's are honest and only suggest what you need. Can you get all the same stuff online, yes. What online shopping doesn't provide is the knowledge base Cannonball gives with every test is priceless. Shopping local keeps these guys in business and it's only cheaper from online retailers if don't run into any problems or yoy know exactly how to use the products correctly. I go to a lot of pool stores as i have been an industry professional since 1998. The Owner knows how to run a first class pool store by putting the needs of the customer first.
Gianluca Sirianni
May 27, 2022 Report
I just started using this pool supply store because it is conveniently located close to my house. Their prices are consistent with larger pool supply stores and other local stores. (not the websites like Doheny's etc). For the several times I visited, their staff has been courteous and helpful to my pool supply needs. I just wanted to add that as a rebuttal to a prior review by Jason Michaels, I have been a pool owner for 7 years.

The house I bought came with an in-ground pool even though this wasn't in my home purchase criteria. For the first couple of years, there is going to be a bit of a sticker shock for chemicals and work necessary to maintain the pool water balance. During this time, I've had to replace a liner, a booster pump, a filter, and a cleaning robot controllable with my cell phone. I'm going to have to replace a safety cover this year bringing the grand total for all this close to 10k.

Aside from the liner, I did the rest myself. The prior one-star review is unfair as opening a pool takes time and cost for chemicals. Once you try doing it yourself it will be clear why the cost to open a pool is what it is. Good luck. I'll be glad to answer further questions.
Jason Michaels
Apr 08, 2022 Report
I bought a house last year with a 12x24 above ground pool. I had never owned a pool before so when I saw this local pool shop I was happy to seek their help. First they installed a salt system and then at the end of the season they closed the pool with all new parts - cover, water bags, etc. Fast forward a couple weeks later and 2 of the water bags were empty and 1 other had slipped into the pool.

Now that it's time to open the pool they want to charge me over $100/hr in addition to the regular opening fee to get the water and leaves out of the pool (that are there because the cover sank.) My question to them was - do you think it's fair for me to pay you extra because you did a shoddy job closing the pool? Justin's response - Yes. Needless to say I will find another pool company to deal with.
Ashley Thompson DoubleTake
Dec 15, 2021 Report
I've never been in the store. I just wanted to give five stars to whoever did their Christmas window display. It's absolutely gorgeous! A+