2025 Compare Cities Overview:
Foster City, CA vs Castro Valley, CA

Are people in Castro Valley older or younger than people in Foster City?
- The Median Age in Castro Valley is 2.8 years older than in Foster City.

Are housing costs cheaper in Castro Valley or Foster City?
- Castro Valley housing costs are 36.6% less expensive than Foster City housing costs.

Which city has a longer commute, Castro Valley or Foster City?
- The average commute for residents of Castro Valley is 3.0 minutes longer than it is for residents of Foster City.

Things to do in Foster City?
Foster City CA rests just south of San Francisco Bay full of outdoor fun like fishing & biking trails at Leo J Ryan Memorial Park combined with convenient access to notable Silicon Valley companies like Oracle.

Things to do in Castro Valley?
Castro Valley, California is a thriving community located in the heart of Alameda County. This vibrant city offers plenty for visitors to explore such as historic Redwood Canyon or one of many popular restaurants. Residents here also take advantage of all the outdoor activities available at Lake Chabot Regional Park, Cull Canyon Regional Park, and Castro Valley Community Park. With its excellent school systems, thriving businesses, and numerous recreational opportunities, it's no wonder why so many people choose to make Castro Valley their home.