Ultima Pool and Spa ServicesPool builder in Poway, CA

Ultima Pool and Spa Services is ranked #16 of 254 pool builders in Poway by CR Score, with 58 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.

Ultima Pool and Spa Services is open Monday to Saturday. Its listed hours are Monday to Saturday, 8 AM – 5 PM. On Saturdays it is open 8 AM to 5 PM and closed on Sundays. Hours come from the business listing; holiday hours may differ.

Serves Poway and 11 towns within 40 miles: Ramona, San Diego Country Estates, Eucalyptus Hills, Lakeside, Alpine, Winter Gardens, Santee, Bostonia, Rancho Penasquitos, Escondido and El Cajon. 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.

Ultima Pool and Spa Services has a rating of 5.0 from 28 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 Ultima Pool and Spa Services on (760) 239-9941. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.