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Single family home for sale at 317 Walnut St, Costa Mesa, CA 92627 | MLS# OC26227859 | Listing updated on 2026-10-28
Photo 1 of Single family home for sale at 317 Walnut St, Costa Mesa, CA 92627 | MLS# OC26227859 | Listing updated on 2026-10-28
Photo 2 of Single family home for sale at 317 Walnut St, Costa Mesa, CA 92627 | MLS# OC26227859 | Listing updated on 2026-10-28
Photo 3 of Single family home for sale at 317 Walnut St, Costa Mesa, CA 92627 | MLS# OC26227859 | Listing updated on 2026-10-28
Photo 4 of Single family home for sale at 317 Walnut St, Costa Mesa, CA 92627 | MLS# OC26227859 | Listing updated on 2026-10-28
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Listed by: Ken Tran (714) 514-2960 DRE #01937599 | eXp Realty of California Inc (888) 584-9427

$3,799,000

Monthly Est:$18,909

  • Beds Icon4 Beds
  • Beds Icon
    3 Baths
  • Beds Icon2,294sqft

317 Walnut St, Costa Mesa, CA 92627

$18,909/moEst:

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  • Single Family Residence

  • Built in 1957

  • $-- HOA

  • 8,046 sqft lot

  • $1,656/sq.ft

Description

Located in the highly sought-after Eastside Costa Mesa, this stunning and thoughtfully expanded single-level residence seamlessly blends timeless style, modern luxury, and exceptional functionality. Offering 4 bedrooms, 3 bathrooms, and approximately 2,294 square feet of beautifully reimagined living space, this fully permitted home features an open-concept floor plan designed for effortless everyday living and sophisticated entertaining. A new custom glass Dutch door welcomes you into an inviting formal living and dining area, where an elegant statement chandelier and beautiful fireplace create a warm and impressive first impression. At the heart of the home is a custom chef’s kitchen featuring premium Thermador appliances, custom cabinetry, and beautifully selected finishes that combine style with functionality. The spacious primary suite is a private retreat filled with natural light and appointed with a walk-in closet featuring custom built-in organizers. The spa-inspired ensuite bath offers a serene escape with a freestanding soaking tub, an open shower with both rain and handheld shower heads, and a luxurious dual vanity. Throughout the home, engineered hardwood flooring, lavish designer tiles, sophisticated fixtures, and carefully curated details create a cohesive, elevated aesthetic. Thoughtfully upgraded from top to bottom, this home offers an impressive list of modern improvements, including a solar system, a new roof, new central air conditioning and ducting, a new 200-amp electrical panel, a new water heater, and new attic insulation. Designed for seamless indoor-outdoor living, a dramatic 12-foot-wide bifold door opens to the lush backyard oasis. Enjoy a newly replastered pool, refreshed landscaping, and a brand-new built-in BBQ island—creating the perfect setting for outdoor dining, entertaining, and relaxing year-round. Conveniently located near the Back Bay Nature Preserve, award-winning schools, the OC Fairgrounds, and the popular shops and restaurants along 17th Street, this exceptional Eastside Costa Mesa home offers the best of coastal Orange County living.

  • Houzeo last checked: 1 hour ago
  • Listing updated: October 28, 2026 at 8:36 pm
  • Source: California Regional MLS-CA | MLS#: OC26227859 California Regional MLS-CA

Property Details

  • Status

    Active

  • Type

    Single Family Residence

  • No. of Stories

    1

  • County

    Orange County

  • City

    Costa Mesa

  • Neighborhood

    --

  • Year Built

    1957

  • HOA Fees

    -

  • Finished Area

    2,294 sqft

  • Lot Size

    8,046 sqft lot

  • Basement Area

    - sqft

  • MLS Name

    California Regional MLS

  • MLS Number

    OC26227859

  • MLS Status

    Active

  • Days on Market

    7

  • Cumulative Days on Market

    7

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Location

Facts & Features

Rooms

  • Bedrooms & bathrooms

    Bedrooms: 4

    Bathrooms: 3

Interior

  • Appliances

    Free Standing Range, Disposal, Gas Oven, Gas Range, Tankless Water Heater

  • Flooring

    Wood

  • Interior Features

    Cathedral Ceilings, Separate Formal Dining Room, Eat In Kitchen, High Ceilings, All Bedrooms Down, Main Level Primary, Walk In Closets

  • Cooling

    Central Air

  • Sewer

    Public Sewer

  • Heating

    Central

Construction

  • Year Built

    Year Built: 1957

  • Home type

    Single Family Residence

  • Architectural Style

    Cottage

  • Construction Materials

    Drywall, Stone, Stucco, Wood Siding

  • Property Condition

    Additions Alterations, Turnkey

  • Foundation Details

    Concrete Perimeter

Utilities & Energy

  • Parking Features

    Driveway, Garage

  • Utilities

    Electricity Connected, Natural Gas Connected, Sewer Connected, Water Connected

  • Electric

    Electricity On Property

  • Water Source

    Public

  • Pool Features

    In Ground, Private

  • Laundry Features

    Inside

  • Fireplace Features

    Living Room

Other Features

  • Community Features

    Rural

  • Lot Features

    Front Yard, Level, Rectangular Lot, Sprinklers Timer, Sprinkler System

  • Subdivision Name

    /

Price History

DateEventPrice

10/21/2026

Source: mls_logoCalifornia Regional MLS-CA #OC26227859

Listed for Sale

$3,799,000 +65.17%

$1,656/sqft

07/18/2025

Source: mls_logoCalifornia Regional MLS-CA #OC25111799

Sold

$2,300,000 -14.81%

$1,003/sqft

07/11/2025

Source: mls_logoCalifornia Regional MLS-CA #OC25111799

Contingent (Active Under Contract)

$2,700,000

$1,177/sqft

07/02/2025

Source: mls_logoCalifornia Regional MLS-CA #OC25111799

Listed for Sale

$2,700,000

$1,177/sqft

05/23/2025

Source: mls_logoCalifornia Regional MLS-CA #OC25111799

Price Decreased

$2,700,000 -6.90%

$1,177/sqft

Show more

Nearby Homes

Based on information from California Regional Multiple Listing Service, Inc. as of Oct 29, 2026, 06:30AM and /or other sources. 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 being provided is for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. This website may not include listings or property addresses of sellers who have directed their listing brokers to withhold their listing or their property address from display on the Internet. © 2026 California Regional Multiple Listing Service. All Rights Reserved.

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