Casa Siena Apartments Neighborhood, Costa Mesa

Last updated: June 13, 2026

Crime Rate & Statistics

A-

Safe neighborhood — below-average crime across most categories

Summary: Casa Siena Apartments, Costa Mesa Crime Rate (2026)

Casa Siena Apartments in Costa Mesa, CA has a crime safety grade of A- as of 2026. The overall crime index is 86, which is 14% below the national average.

Data source: FBI UCR & local law enforcement data. Last updated: June 13, 2026.

Safety at a Glance

Overall Crime Average

Low 86 / 300 High

Violent Crime 73

27% below national avg

Property Crime 109

9% above national avg

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in Costa Mesa

Is Casa Siena Apartments Safe?

Yes — this neighborhood is safe. Casa Siena Apartments in Costa Mesa, CA has a safety grade of A-. The overall crime index is 86, which is 14% below the national average of 100.

Compared to the Costa Mesa average (crime index 98), Casa Siena Apartments is 12% lower in overall crime.

Looking at specific crime types, larceny / theft is the most elevated concern (index: 143, 43% above average), while assault is the lowest risk (index: 16). Property crime is more prevalent than violent crime here, consistent with broader national patterns.

Highest Risk

Larceny / Theft · Index 143 (43% above avg)

Lowest Risk

Assault · Index 16 (84% below avg)

Casa Siena Apartments Crime Breakdown

Crime indices compared to national average (100) and Costa Mesa city average. Higher values mean more crime.

Crime Type	Index	vs National	vs Costa Mesa	Risk Level
Violent Crime
Murder	127	+27%	+23%	Moderate
Assault	16	-84%	-90%	Low
Robbery	85	-15%	-22%	Average
Rape	62	-38%	N/A	Low
Property Crime
Burglary	64	-36%	-30%	Low
Larceny / Theft	143	+43%	+21%	Moderate
Vehicle Theft	120	+20%	+13%	Moderate

How Casa Siena Apartments Compares

Crime index by category: Casa Siena Apartments vs Costa Mesa average vs national average.

Crime by Category

Overall Crime Comparison

Casa Siena Apartments Crime Map

Crime heatmap based on block-group level data. Red areas indicate higher crime density.

Full Screen Map

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Casa Siena Apartments Demographics & Context

Population

Median Income

$60,227

Home Value

$112,500

Median Age

Pop. Density

30,387/mi²

Education

Bachelor's Degree 7.9%

Graduate Degree 6.6%

Housing

97%

Owner-occupied Renter-occupied

Racial Demographics

White 45.2%

Black 3.9%

Hispanic 77.6%

Asian 2.5%

Nearby Neighborhoods

Westside Costa Mesa Index: 114

A-

Eastside Costa Mesa Index: 135

College Park Index: 89

Upper Bird Streets Index: 161

Lower Bird Streets Index: 10

A+

Balearic Park Index: 12

A+

The Tree Streets Index: 103

A-

Orange County Fairgrounds / Orange Coast College Index: 133

Casa Siena Apartments Crime Map

Interactive crime heatmap for this neighborhood

Costa Mesa Crime Statistics

View all Costa Mesa neighborhoods & city-wide data

Frequently Asked Questions

What is the crime rate in Casa Siena Apartments, Costa Mesa?

Casa Siena Apartments in Costa Mesa, CA has a crime safety grade of A- as of 2026. The overall crime index is 86, which is 14% below the national average. Compared to the Costa Mesa average, crime in Casa Siena Apartments is 12% lower.

Is Casa Siena Apartments a safe neighborhood in Costa Mesa?

Casa Siena Apartments is generally considered a safe neighborhood in Costa Mesa, earning a crime grade of A-. The highest concern is Larceny / Theft (index: 143), while Assault is the lowest risk (index: 16).

How does Casa Siena Apartments compare to the rest of Costa Mesa?

Casa Siena Apartments's overall crime index is 86, compared to the Costa Mesa average of 98. This means crime in Casa Siena Apartments is 12% lower than the city average. For violent crime, the index is 73, and for property crime it is 109. However, crime can vary block by block, so checking the crime map for specific streets is recommended.

What type of crime is most common in Casa Siena Apartments?

The most prevalent crime type in Casa Siena Apartments is Larceny / Theft, with a crime index of 143 (43% above the national average). Overall, property crime is more prevalent than violent crime in this neighborhood, which is consistent with national trends.

What are safer neighborhoods near Casa Siena Apartments?

Nearby neighborhoods with good safety ratings include Westside Costa Mesa, Eastside Costa Mesa, College Park and Upper Bird Streets. These areas are close to Casa Siena Apartments and offer lower crime rates, making them worth considering for residents who prioritize safety.

What are the demographics of Casa Siena Apartments?

Casa Siena Apartments has a population of approximately 23. The median household income is $60,227. The median home value is $112,500. Research shows that economic factors can correlate with crime rates, though many other variables play a role in neighborhood safety.

How does Casa Siena Apartments crime compare to the national average?

Casa Siena Apartments's overall crime rate is 14% below the national average (index 86 vs 100). For the most accurate picture, review the per-crime-type breakdown above, as some categories may differ significantly from the overall trend.

Crime data sourced from FBI UCR reports and local law enforcement agencies. Crime indices use 100 as the national average. Updated June 2026.