A-1 Koi PondsConcrete contractor in San Francisco, CA

A-1 Koi Ponds is ranked #33 of 224 concrete contractors in San Francisco by CR Score, with 55 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.

A-1 Koi Ponds 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 Francisco and 12 towns within 25 miles: Tiburon, Sausalito, Strawberry, Richmond, Chinatown, Tamalpais-Homestead Valley, El Cerrito, Corte Madera, Albany, Tamalpais Valley, Mill Valley and San Pablo. The list is based on the business's location and the usual service radius for concrete work. Confirm your address is covered when you call.

A-1 Koi Ponds has a rating of 4.8 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 A-1 Koi Ponds on (925) 236-0776. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.