Brennan ElectricElectrician in Hayward, CA

Brennan Electric is ranked #48 of 611 electricians in Hayward by CR Score, with 56 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.

Brennan Electric 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 Hayward and 11 towns within 25 miles: Fairview, Castro Valley, Cherryland, Ashland, San Lorenzo, Union City, Dublin, San Leandro, San Ramon, Pleasanton and Fremont. The list is based on the business's location and the usual service radius for electrical work. Confirm your address is covered when you call.

Brennan Electric has a rating of 2.1 from 7 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 Brennan Electric on (510) 538-5949. The business is at 25634 Clover Rd, Hayward, CA 94542. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.