Top Rated Swimming Pool & Spa, Services & Supplies Contractors Serving Montgomery County, MD
Last Updated May 15, 2026
185 Review Ratings and 3 Swimming Pool & Spa, Services & Supplies Companies Evaluated.
These companies have passed our Preliminary 5-step rating process.
HYDRATECH LLC
HYDRATECH LLC provides swimming pool and spa services for residential and commercial clients in the Washington Metro area. The company has the training and equipment to work on all types of swimming pool maintenance projects, each of which is backed by superior craftsmanship and a company-wide dedication to quality.
Services
Swimming Pool and Spa including pool cleaning, pool plastering, pool accessories, pool repair, pool supplies, residential swimming pool opening, pool winterization, bi weekly pool cleaning services and pool motor troubleshooting.
Coverage Areas
The Washington Metro Area, including Montgomery County—key cities including Bethesda, Chevy Chase, Glen Echo, Beallsville, Brookeville, Barnesville, Boyds, Cabin John, Olney and Poolesville.
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- 5709 Frederick Ave ste 203
- Rockville, MD 20852
Twin Pool And Spa
Twin Pool And Spa offers a variety of swimming pool and spa services to residential and commercial clients throughout Montgomery County. The company has the training and equipment to handle everything from pool cleaning and pool installations to pool maintenance and pool equipment installations, and its employees focus on delivering first-rate workmanship on every project.
Services
Swimming Pool and Spa including pool heaters, pool cleaning, pool water delivery, pool leak detection, pool plastering, pool opening, pool cleaning & maintenance, pool repair services, pool closing and winterization.
Coverage Areas
The Washington Metro Area, including Montgomery County—key cities including Bethesda, Barnesville, Cabin John, Beallsville, Brookeville, Boyds, Olney, Poolesville, Chevy Chase and Glen Echo.
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- 13509 Glen Mill Rd
- Rockville, MD 20850
Calm Water Pools
Calm Water Pools offers various swimming pool and spa services to residential and commercial clients in Montgomery County. The company is qualified to handle everything from pool cleaning and pool lighting to pool plastering and pool remodeling, and it prioritizes clear communication and customer satisfaction on every project.
Services
Swimming Pool and Spa including pool maintenance, pool plastering, pool cleaning, pool accessories, pool heaters, pool designs, pool color options, winter safety cover, pool installation, full installation services available and diy fiberglass pool installation.
Coverage Areas
The Washington Metro Area, including Montgomery County—key cities including Olney, Bethesda, Barnesville, Brookeville, Cabin John, Poolesville, Boyds, Chevy Chase, Beallsville and Glen Echo.
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- 26200 Frederick Rd
- Clarksburg, MD 20910
These companies have earned our Pre-Qualified Rating. Learn more about our 5-step process.
Rating Step 1 = Stars
Meet or exceed a
ONE AllRatings star score of 4.5.
Indicates the final super-composite calculation of all reviews scores from all sources, optimized for accuracy and recency.
Read ONE AllRatings methodologyRating Step 2 = License
Verified active and in good standing (when required).
State license bureau data is accessed and analyzed.
Rating Step 3 = Background
Satisfactory status.
Internet searches were performed seeking disqualifying information on each company.
Rating Step 4 = Complaints
Satisfactory status.
Complaint bureau records have been searched seeking disqualifying information on each company.
Search Better Business BureauRating Step 5 = Specialist
Satisfactory status.
Our research specialist verifies all ratings steps have been passed and creates a final report and profile.
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Here are several commonly asked questions about swimming pool and spa services, including hiring and working with a pool service professional.
Swimming pool and spa companies provide all types of maintenance and repair services. Here are some of the most common services requested by homeowners.
Here are some key terms and descriptions that will help you navigate your way through your swimming pool and spa service from beginning to end.
You are the customer. If your goal is to choose a swimming pool and spa service company that will deliver high customer satisfaction and quality, you’ll feel confident choosing a D