Welcome to 24 Hour Fitness in Castro Valley, California, a spacious 14,000-square-foot gym that's designed to accommodate a variety of fitness enthusiasts. Though not open twenty-four hours, this club keeps its doors open from 5:00 AM to 10:00 PM on weekdays, allowing plenty of time for early risers and evening exercisers alike to get their workouts in. With a Google score of 3.5, it offers a reasonable selection of amenities to cater to its members.
24 Hour Fitness
Castro Valley, California
3.5
Google Rating
3839 E Castro Valley Boulevard
Castro Valley, California 94552
Castro Valley, California 94552
Grand Opening:
14000
Square Feet in Size
Last updated
March 20, 2026
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