🏊 Official Rankings
10 Best Pool Service in Gaithersburg, MD (September 2026)
We compared 10 pool service serving Gaithersburg and Montgomery County, Maryland, and ranked the top providers by verified reviews, ratings, and local reputation — 941 customer reviews in all.
The 10 listed below hold an average rating of 4.7 out of 5, led by Pearl Pool Plastering. Updated for September 2026.
- Pool Service ranked
- 10
- Average rating
- 4.7★
- Reviews analyzed
- 941
- Area codes
- 301, 240
⭐ 4.8 · 85 reviews
15120-A Southlawn Ln, Rockville, MD 20850
⭐ 5.0 · 24 reviews
112 Frederick Ave Ste B, Rockville, MD 20850
⭐ 4.9 · 32 reviews
17133 King James Way, Gaithersburg, MD 20877
⭐ 5.0 · 21 reviews
11739 Cherry Grove Dr, North Potomac, MD 20878
⭐ 4.7 · 116 reviews
353 Muddy Branch Rd, Gaithersburg, MD 20878
⭐ 4.5 · 459 reviews
7400 Lindbergh Dr Ste E, Gaithersburg, MD 20879
⭐ 4.8 · 6 reviews
12 S Summit Ave Suite 100-M27, Gaithersburg, MD 20877
⭐ 4.4 · 94 reviews
8100 Mountain Laurel Ln, Gaithersburg, MD 20879
Pool Service listed here serve Gaithersburg, Montgomery County, and nearby ZIP codes including 20877, 20878, 20879, 20882, 20883, 20884, 20885, 20898, 20899.