2025 Compare Cities :
San Marcos, CA vs Castro Valley, CA

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 San Marcos, CACastro Valley, CAUnited States
 Rainfall  Unlock21.338.1
 Snowfall0  Unlock27.8
 Precipitation Days41.366106.2
 Sunny265  Unlock205
 Avg. July High  Unlock75.685.8
 Avg. Jan. Low45  Unlock21.7
 Comfort Index (higher=better)  Unlock8.67
 UV Index5.9  Unlock4.3
 Elevation ft.5811612443
Reviews for San Marcos    5 Reviews

Just an amazing place to live. I have lived in 7 states and almost countless cities. Sam Marcos is one of the best. This is literally the longest place I have lived  More

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Over 15 years ago

Is this area to expensive for the average income retired  More

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Over 18 years ago

Beautiful Mediterranean climate with bright sunshine and ocean breazes. City is just 15 minutes away from the  More

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Reviews for Castro Valley    7 Reviews

CURMUDGEON - THANK YOU for your post. The most important part of your comment is your second paragraph. "Hodge-Podge" is the correct word for a lot of Castro  More

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Over 11 years ago

Kind of rural but close to Oakland and San  More

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Castro Valley is the largest unincorporated "city" in the Bay Area. Over the years, several attempts have been made to incorporate, but they have all been defeated at  More

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