Eastside Costa Mesa runs along the Newport Beach border, east of Newport Boulevard and up against the bluffs of the Back Bay. It is the part of Costa Mesa people mean when they say the city has gotten good: tree-lined streets, a real walk-to culture around 17th Street, and a housing stock that mixes original postwar cottages with confident new construction.
The blocks tell the story of the last thirty years in layers: original cottages kept simple, thoughtful remodels, and new farmhouse and modern builds that replaced the tired ones. Lots are usable, garages are real, and single-level homes are still findable, though they trade quickly. The closer to the Newport border and the bluffs, the stronger the street.
This is one of the smartest moves on the board for Newport sellers who want to stay close. Because prices here often land at or below a typical Newport sale, a downsizer 55 or older using Proposition 19 can frequently buy at or under the price of the home they sold, which carries the old tax base across in full with no blended math at all. Same coffee shops, same beach access, meaningfully different carrying costs. The framework is on the Prop 19 downsizing page.
Life orbits 17th Street: restaurants, coffee, fitness, and errands all in a walkable strip shared with Newport Heights. The Back Bay trails start at the end of the neighborhood, Newport's beaches are minutes down the boulevard, and Hoag Hospital sits just across the border. The tradeoffs are the ones that come with popularity: busier weekends on 17th, and the best streets rarely stay quiet on price.
This page is general educational information, not legal, tax, or financial advice. Property tax outcomes vary by parcel; confirm specifics with the Orange County Assessor, your CPA, or a qualified attorney. For the wider picture, start at the Costa Mesa neighborhood hub.
24,061 people live in Eastside Costa Mesa, where the median age is 40 and the average individual income is $82,687. Data provided by the U.S. Census Bureau.
Total Population
Median Age
Population Density Population Density This is the number of people per square mile in a neighborhood.
Average individual Income
Eastside Costa Mesa has 9,955 households, with an average household size of 2. Data provided by the U.S. Census Bureau. Here’s what the people living in Eastside Costa Mesa do for work — and how long it takes them to get there. Data provided by the U.S. Census Bureau. 24,061 people call Eastside Costa Mesa home. The population density is 9,959 and the largest age group is Data provided by the U.S. Census Bureau.
Total Population
Population Density Population Density This is the number of people per square mile in a neighborhood.
Median Age
Men vs Women
Population by Age Group
0-9 Years
10-17 Years
18-24 Years
25-64 Years
65-74 Years
75+ Years
Education Level
Total Households
Average Household Size
Average individual Income
Households with Children
With Children:
Without Children:
Marital Status
Blue vs White Collar Workers
Blue Collar:
White Collar:
There's plenty to do around Eastside Costa Mesa, including shopping, dining, nightlife, parks, and more. Data provided by Walk Score and Yelp.
Explore popular things to do in the area, including Mastriana Athletics, Hair by Maxwell, and Emily Thompson.
| Name | Category | Distance | Reviews |
Ratings by
Yelp
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|---|---|---|---|---|
| Active | 0.91 miles | 1 review | 5/5 stars | |
| Beauty | 0.54 miles | 0 reviews | 0/5 stars | |
| Beauty | 0.62 miles | 0 reviews | 0/5 stars | |
| Beauty | 0.64 miles | 6 reviews | 5/5 stars | |
| Beauty | 0.8 miles | 0 reviews | 0/5 stars | |
| Beauty | 0.86 miles | 0 reviews | 0/5 stars | |
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