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Just Listed in Eastside Costa Mesa! Bathed in natural light and cooled by fresh ocean breezes, 277 E 21st Street is a charming single-level home set on a generous 7,200 sq ft lot in one of Costa Mesa’s most loved and sought-after neighborhoods. What truly sets this home apart is its location. Eastside Costa Mesa is known for its deep sense of community, long-standing pride of ownership, and the generations of families who continue to call it home. The lifestyle here is one of its biggest draws—walkability, friendly neighbors, and effortless access to everything that makes coastal living so appealing. You’ll be within walking distance to top Newport-Mesa schools and just minutes from the scenic Newport Back Bay, local parks, and the world-class beaches of Newport Beach. The home is also close to the vibrant 17th Street corridor, where cafés, dining, fitness studios, and boutiques bring convenience and energy to everyday living. For commuters and travelers, the proximity to John Wayne Airport and quick access to the 55, 73, and 405 freeways make this location incredibly practical without sacrificing the coastal ease Eastside is known for. Opportunities to purchase in this neighborhood don’t come around often—homes are tightly held, and demand is consistently high. Take advantage of this opportunity to settle into one of Costa Mesa’s most treasured communities.
Listing agent: Karla Stagman DRE #01984094 karlastagman@mac.com, Listing office: Compass
MLS data updated 10/20/2026, 1:33:12 AM PT
Source: CRMLS, MLS #: OC25265187
Belmont insights
Compare recorded home prices, same-type ZIP sales and mortgage rates.
Dec 18, 2025
Prices use the left axis; mortgage rates use the right. Hover, tap, or focus the chart and use the arrow keys. Red SOLD badges mark recorded sales.
This home · nearest recorded event
$1,750,000Closed sale · Dec 18, 2025ZIP 92627 · Dec 2025
No monthly averageAt least 3 eligible sales in this month are required.30-year fixed mortgage benchmark
No weekly rateNo published rate within 7 days of this date.ZIP averages use publicly displayable closed sales from our licensed MLS feed, matched to the same ZIP and exact property type. Months with fewer than 3 sales are omitted; the current month is incomplete. Lines connect available monthly observations across gaps and do not represent measured prices in missing months. These averages are not adjusted for size, condition, or location within the ZIP, and are not an appraisal. Feed coverage may not include every sale. All available shows the available home and ZIP history, with mortgage rates over the same dates.
Mortgage benchmark: Freddie Mac Primary Mortgage Market Survey®. © Freddie Mac. Weekly national 30-year fixed rates, not APRs or a loan quote. Actual terms vary. Methodology changed in November 2022. The chart does not establish that interest-rate changes caused a home’s price changes.
Lines connect recorded asking and sale prices. They are visual guides, not estimates of the home’s value between those dates.
No earlier records were returned by our current sources. This does not mean the home has never sold.
MLS records may be incomplete. Earlier asking prices are not sale prices.