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Top-Rated Pool builders and installers in Union - Updated Nov 2026

Little Giant Pool & Spa
2.7(
44
)
In Ground Swimming Pool or Accessories - Repair or ServiceReplace Vinyl Liner for Swimming PoolSwimming Pool - Clean and Maintain+9 more

Serving Union, MO and surrounding areas

Approved

In business since 1986

Free estimates

Emergency services offered

"There aren't a lot of pool companies who will replace an above ground liner. I didn't think the customer service was great and it seems overpriced, but there aren't a lot of options so I appreciate they came to do this work."
Response time6 days
Response rate100%
Recommended by66%of homeowners
Avatar for Prestige Pools and Spas
Prestige Pools and Spas
4.3(
6
)
Swimming Pool: Fiberglass - Build or InstallSwimming Pool: Vinyl Lined - Build or InstallSwimming Pool: Concrete - Build or Install

Serving Union, MO and surrounding areas

Approved

In business since 1985

Free estimates

Credit card accepted

Prestige Pools & Spas is St. Louis' most award-winning pool and hot tub company. We have served St. Louis and its surrounding communities proudly for over 40 years. We specialize in vinyl liner pools by Latham, fiberglass pools by Trilogy, and gunite in ground pool construction. We also offer a variety of premier hot tub and swim spas.

Summit Place Pool
Summit Place Pool
Summit Place Pool
Summit Place Pool
Summit Place Pool

+11

27 neighbors recently requested a quote
Avatar for ProCare Pools, LLC
ProCare Pools, LLC
3.6(
6
)
Above Ground Swimming Pool or Accessories - Repair or ServiceIn Ground Swimming Pool or Accessories - Repair or ServiceReplace Vinyl Liner for Swimming Pool+11 more

Serving Union, MO and surrounding areas

In business since 2009

Free estimates

Credit card accepted

"Angie at Pro Care called me immediately and scheduled an appt. The company was efficient and helped us bring our 18 yr. old pool back to looking new and functioning more efficiently. We recommend them to anyone who wants professional and personable service. Thanks for everything Richard!"
Endless Pool Remodel
Endless Pool Remodel
Endless Pool Remodel
Endless Pool Remodel
Endless Pool Remodel

+117

Response time2 days
Response rate90%
Recommended by66%of homeowners
St. Louis Custom Pool Liner & Service
5.0(
1
)
Above Ground Swimming Pool or Accessories - Repair or ServiceIn Ground Swimming Pool or Accessories - Repair or ServiceReplace Vinyl Liner for Swimming Pool+13 more

Serving Union, MO and surrounding areas

In business since 2020

Free estimates

Emergency services offered

We specialize in custom vinyl liner replacement for swimming pools. We are owner operated with 30 years of experience in the field. Our goal is to quickly transform your problem pool back into your backyard oasis again. Let our staff quickly, timely and professionally make your backyard enjoyable again!

Recommended by100%of homeowners
Avatar for PATRIOT POOLS HYDROBLASTING & PLASTERING LLC
PATRIOT POOLS HYDROBLASTING & PLASTERING LLC
5.0(
1
)
Swimming Pool -RemodelSwimming Pool: Concrete - Build or Install

Serving Union, MO and surrounding areas

In business since 2000

Free estimates

Warranties offered

Patriot Pools is a veteran-owned business based in High Ridge, Missouri, serving residential and commercial pool owners throughout the St Louis area. We specialize in pool-plastering and resurfacing, delivering high quality finishes that enhance both the durability and appearance of your pool.\nTo ensure the best possible surface preparation, we utilize state-of-the-art 40,000 PSI hydro blasting technology to remove old plaster efficiently, including stripping down to pool shell when necessary. This advanced method sets us apart from competitors and provides a superior foundation for a Lon-lasting plaster application. \nIn addition to plastering and resurfacing, our services include acid washes, tile and coping, deck coatings, pool drains, and pool cover removal/installation \nAt Patriot Pools, we are committed to quality, efficiency, and innovation, ensuring that every project is completed with persuasion and professionalism.

Response time9 hrs
Response rate100%
Showing 1-10 of 33

FAQs for pool construction and installation projects in Union, MO

Running a pool pump continuously significantly increases your monthly electricity expenses. With a single-speed pump, you might see costs toward the upper end of the average range, potentially reaching $150 per month depending on your pump's horsepower and local electricity rates. 

Variable-speed pumps would be more economical even with continuous operation, but would still increase costs above normal. However, 24/7 operation is rarely necessary for residential pools, as most require only eight to 12 hours of daily filtration.

Yes, LED pool lights provide substantial energy savings compared to traditional halogen fixtures. Industry data indicates LED lights are five times less expensive to operate than halogen alternatives, while providing equivalent or better illumination. Though LED fixtures often have a higher initial purchase price, the energy savings and longer lifespan make them a cost-effective choice for pool owners who enjoy nighttime swimming.

The Union, MO homeowners’ guide to pool constructions and installations

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