Your Professional Pool Company, Family Owned & Operated Since 1985

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We offer a 100% Algae Free Guarantee Cleaning Program.

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Why Choose O’Brien Swimming Pool Service?

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We are the Best in the St. Louis and St. Charles area for your complete in-ground swimming pool needs.
BulletSandalsOur Service / Operations Manager, Larry, has been on our team for over 20 years and he knows our customer’s pools.
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We offer complete swimming pool service and can take care of anything you need for your in-ground swimming pool.

BulletShortsOur awards say it all… Angie’s List Super Service Award winner in 2009, 2010, 2012 & 2013.

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Our customers love us and it shows!  Over 85% of our new business comes from customer referrals.
BulletBucketMost of our team members have been providing excellent service for our customers for over 6 years.

KruppI wanted to pass along my sincere thanks to all the people at O’Brien Pool for the many years of excellent service. I started using you guys in 1999. Over that time you have installed a new liner in 1999 as well as a new salt generator in 2012. I couldn’t have been more pleased with the results I have achieved. I estimate the Salt generator has actually paid for itself in the two year period. I have a large pool (34,000 gallon) and was using over $750/yr in chemicals along. Now all I use less chemicals and my pool never looked better, not to mention the feeling we get when we swim!

Richard Toler

St. Louis, MO