Core PlumbingPlumber in San Diego, CA

Core Plumbing is ranked #4 of 513 plumbers in San Diego by CR Score, with 65 out of 100 as of October 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.

Core Plumbing is open 24 hours a day, 7 days a week. Its listed hours are Open 24 hours, 7 days a week. On Saturdays it is open Open 24 hours, and on Sundays Open 24 hours. Hours come from the business listing; holiday hours may differ.

Serves San Diego and 11 towns within 25 miles: Sorrento Valley, Mira Mesa, La Jolla, La Mesa, Lemon Grove, Rancho Penasquitos, Coronado, National City, Santee, Spring Valley and El Cajon. The list is based on the business's location and the usual service radius for plumbing. Confirm your address is covered when you call.

Core Plumbing has a rating of 4.8 from 1,351 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 Core Plumbing on (858) 295-7746. The business is at 7292 Opportunity Rd b, San Diego, CA 92111. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.