275 Walnut Street in Eastside Costa Mesa offers this New Construction 2025 home thoughtfully designed and lovingly crafted. This tree-lined block is a favorite in Eastside, with proximity to excellent public and private schools, parks and libraries, and of course the amazing retail and conveniences of 17th Street and PCH, and the nature and open space of Newport's Back Bay. The home is approx. 3,271 SF with 5 bedrooms (4th staged as bonus room), plus an office, indoor laundry, HUGE walk-in pantry, and mud room. A fantastic kitchen with island offers Thermador appliances with cabinet facing, a separate refrigerator and freezer, double oven, 6-burner gas range with griddle, custom hood, and pot filler. Downstairs includes a guest bedroom with en suite bath, study/salon/music room, and open concept living, dining, and kitchen great room. Upstairs houses the primary suite, plus 3 additional bedrooms, and laundry. A 3-car garage lies off the alley, a separate bay with air-conditioned space that could function as a gym, additional office, craft or bonus room. The lower level opens to the yard via La Cantina style doors. A highly amenitized backyard connects the home and garage, including a built-in BBQ and beverage center with TV, fire pit, hanging swing and covered porch, plus
MLS #
CRNP25233421
MLS Source
California Regional MLS
Kitchen
Other, Pantry
Appliances
Dishwasher, Freezer, Garbage Disposal, Hood Over Range, Microwave, Other, Oven - Double, Oven - Gas, Oven Range - Gas, Refrigerator, Dryer, Washer
Dining Room
In Kitchen
Fireplace
Fire Pit, Gas Burning, Living Room
Laundry
In Laundry Room, Upper Floor
Cooling
Central Forced Air, Central Forced Air - Electric, Central Forced Air - Gas
Heating
Forced Air, Gas
Roof
Composition, Metal
Foundation
Slab
Pool
None
Style
Custom
Garage/Parking
Attached Garage, Garage, Gate/Door Opener, Garage: 3 Car(s)
Elementary District
Newport-Mesa Unified
High School District
Newport-Mesa Unified
HOA Fee
$0
275 Walnut is a Single Family Residence in Costa Mesa, CA 92627. This 3,271 square foot property sits on a 6,381 Sq Ft Lot and features 5 bedrooms & 4 full and 1 partial bathrooms. It is currently priced at $4,385,000 and was built in 2025. This address can also be written as 275 Walnut, Costa Mesa, CA 92627.
©2025 California Regional MLS. All rights reserved. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. Information provided is for personal, non-commercial use by the viewer and may not be redistributed without explicit authorization from California Regional MLS.
Presently MLSListings.com displays Active, Contingent, Pending, and Recently Sold listings. Recently Sold listings are properties which were sold within the last three years. After that period listings are no longer displayed in MLSListings.com. Pending listings are properties under contract and no longer available for sale. Contingent listings are properties where there is an accepted offer, and seller may be seeking back-up offers. Active listings are available for sale.
This listing information is up-to-date as of November 04, 2025. For the most current information, please contact Grant Bixby, (949) 677-0111