Peninsula Chemical CompanyPool builder in San Mateo, CA

Peninsula Chemical Company is ranked #14 of 200 pool builders in San Mateo by CR Score, with 56 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.

Peninsula Chemical Company is open Monday to Friday. Its listed hours are Monday to Friday, 7 AM – 5 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.

Serves San Mateo and 11 towns within 40 miles: Foster City, Belmont, Redwood Shores, San Carlos, Burlingame, Hillsborough, Millbrae, Redwood City, San Bruno, North Fair Oaks and Atherton. 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.

Peninsula Chemical Company has a rating of 4.9 from 19 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.

Call Peninsula Chemical Company on (650) 349-7665. The business is at 110 E 20th Ave, San Mateo, CA 94403. Ask for a written estimate before any work starts.