911 AtticInsulation contractor in Alameda, CA

911 Attic is ranked #18 of 111 insulation contractors in Alameda by CR Score, with 57 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.

911 Attic 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 Alameda 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 insulation. Confirm your address is covered when you call.

911 Attic has a rating of 5.0 from 3 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.