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275 Walnut
Costa Mesa, CA 92627
East Costa Mesa Area
Price:$4,385,000
$1,340.57 / Sq.Ft.
Bedroom:5Bathroom:5
Sq. Ft.:3,271Year Built:2025
Type:Single Family Residence, Detached
MLS #:NP25233421Status:Active
Listed:10/22/2025Modified:10/23/2025
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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 lounging and dining areas. Inside spaces are flooded with natural light that dances amidst the high volume ceilings. This flexible floor plan can accommodate a growing household and/or provide many options for work and leisure. Tasteful yet practical and elegant finishes lend themselves to luxury living that suits our coastal Orange County lifestyle. 275 Walnut is a must see opportunity for those who enjoy new homes of quality craftsmanship.
Rooms Amenities
  • 5 Bedrooms
  • 4 Full Baths
  • 1 1/2 Bath
  • Bedrooms: Bonus, Study/Office, Walk-In Pantry
  • Dining: In Kitchen
  • View: None
 
  • Parking: Garage - Rear Entry, Garage - Two Door, Garage Door Opener
  • # of Garages: 3
  • Pool: None
  • Spa: None
  • Appliances: 6 Burner Stove, Dishwasher, Double Oven, Freezer, Garbage Disposal, Gas Oven, Gas Range, Gas Water Heater, Microwave, Range/Stove Hood, Refrigerator, Tankless Water Heater
Interior Exterior/Structural
  • Heating: Forced Air, Natural Gas
  • Cooling: Central, Electric, Gas, Zoned
 
  • Style: Custom Built
  • Roof: Composition, Metal
  • Patio: Concrete, Covered, Patio, Porch - Front
Lot Description Community/Association
  • Lot Sq. Ft.: 6,381
  • Acres: 0.147
 
  • Orange County
  • Area: East Costa Mesa
  • School District: Newport-Mesa Unified
  • Elementary: Kaiser
  • Jr. High: Ensign
  • High: Newport Harbor
  • HOA: $0 +
  • Builder Tract: Eastside South (ESCM)
Price Information Listing Information
  • Current Price: $4,385,000
  • Original Price: $4,385,000
  • Price/Sq. Ft.: $1,340.57
 
  • List Type: Standard
  • Listed Date: 10/22/2025
  • Modified Date: 10/23/2025
Listing Agent Listing Office
Grant Bixby
949-677-0111
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  Need Help?
Michelle Kwon
Michelle Kwon
DRE# 01361657
Call 714-335-0500
to refer to MLS # NP25233421
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The information above, though secured from sources believed to be reliable, cannot be guaranteed. The buyer should independently verify this information to his/her satisfaction. Coldwell Banker Best Realty may or may not be the listing broker of this property. In either case, where allowed by law, Coldwell Banker Best Realty can represent you in the purchase of this property.

Based on information from California Regional Multiple Listing Service, Inc. as of 10/23/2025. This information is for your personal, non-commercial use and may not be used for any purpose other than to identify prospective properties you may be interested in purchasing. Display of MLS data is usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and should investigate the data themselves or retain appropriate professionals. Information from sources other than the Listing Agent may have been included in the MLS data. Unless otherwise specified in writing, Broker/Agent has not and will not verify any information obtained from other sources. The Broker/Agent providing the information contained herein may or may not have been the Listing and/or Selling Agent.

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