2025 Compare Cities Crime:
Costa Mesa, CA vs Diamond Bar, CA

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Highlights
- Diamond Bar has 62% less violent crime than Costa Mesa.
- Diamond Bar has 52% less property crime than Costa Mesa.
 Costa Mesa, CADiamond Bar, CAUnited States
 Violent Crime  Unlock8.622.7
 Property Crime51.9  Unlock35.4

Crime is ranked on a scale of 1 (low crime) to 100 (high crime)

Reviews for Costa Mesa    8 Reviews

Over 15 years ago

Costa mesa has awesome shopping but is way too crowded and I have had 3 cars stolen in the past 5 years along with countless break-ins and theft. Expensive. Close to  More

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Over 16 years ago

Costa Mesa has a near perfect climate . . . plenty of sun but rarely over 100 degrees (our house doesn't even have AC). Nestled between Newport Beach and Huntington  More

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We have a good amount of low-income, medium-income, and relatively high-income  More

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Reviews for Diamond Bar    3 Reviews

Over 14 years ago

Beautiful city and great place to raise a family. The worst part of Diamond Bar would be some of the best places to live in other cities. Diamond Bar has some of the  More

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Over 14 years ago

The city is centrally located to riverside, San Bernardino, Orange County and Downtown La. It is very scenic with beautiful hills, great schools and within easy reach,  More

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Over 15 years ago

This is a very quiet area about 30 mile east of downtown Los Angeles. I'm a bit concerned about what effect a possible new NFL stadium in the City of Industry CA will  More

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Cities with the Least Crime Near Costa Mesa, CaliforniaCrime Index
 Williams Canyon, CA 
 Modjeska, CA 
 Pepperdine University, CA 
 Rancho Mission Viejo, CA 
 Silverado, CA 
 Trabuco Canyon, CA 
 Rolling Hills, CA10.4
 Hidden Hills, CA10.55
 Laguna Woods, CA11.25
 Rancho Santa Margarita, CA12.15

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