GEM Pool ServicePool builder in Brentwood, NY

GEM Pool Service is ranked #46 of 415 pool builders in Brentwood by CR Score, with 55 out of 100 as of November 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.

GEM Pool Service is open 7 days a week. Its listed hours are Monday to Sunday, 8 AM – 6 PM. On Saturdays it is open 8 AM to 6 PM, and on Sundays 8 AM to 6 PM. Hours come from the business listing; holiday hours may differ.

Serves Brentwood and 12 towns within 40 miles: Coram, Selden, Port Jefferson Station, Terryville, Mount Sinai, Middle Island, Farmingville, Port Jefferson, Miller Place, Centereach, Setauket-East Setauket and Sound Beach. The list is based on the business's location and the usual service radius for pool building. Confirm your address is covered when you call.

GEM Pool Service has a rating of 5.0 from 6 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.