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317 Walnut StreetCosta Mesa, CA 92627

For Sale

$3,799,000

Smart Buyer Rebate $37,990

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.

Listed by Ken Tran

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License #01937599

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eXp Realty of California Inc

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714-514-2960

Last updated October 28, 2026

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Source: CRMLS #OC26227859

Listing Facts

  • TypeSingle-family
  • NeighborhoodEastside Costa Mesa
  • Bedrooms4
  • Bathrooms3
  • Days on Prevu10
  • Size2,294 sqft
  • Price per sqft$1,656

Amenities

  • Air Conditioning
  • Parking
  • Swimming Pool

Location

Mortgage Calculator

Listing History

10/21/2026
Listed by eXp Realty of California Inc
$3,799,000
  1. 10/21/2026$3,799,000
    Listed by eXp Realty of California Inc

Property Details for 317 Walnut Street

Exterior

Construction

  • Number Of Units Total: 1
  • Stories: 1
  • Stories Total: 1
  • Structure Type: House
  • Year Built: 1957
  • Architectural Style: Cottage
  • Common Walls: No Common Walls
  • Construction Materials: Stone, Stucco, Wood Siding
  • Entry Level: 1
  • Entry Location: 1

Features

  • Direction Faces: Northeast
  • Fencing: Block, Vinyl
  • Pool Features: Private, In Ground
  • Pool Private: Yes
  • Road Frontage Type: City Street

Measurements

  • Lot Features: Front Yard, Level, Rectangular Lot
  • Lot Size Acres: 0.18
  • Lot Size Area: 8,046
  • Lot Size Source: Assessor
  • Lot Size Square Feet: 8,046
  • Lot Size Units: Square Feet

Financial

Taxes

  • Parcel Number: 42629204

Interior

Features

  • Appliances: Free-Standing Range, Disposal, Gas Oven, Gas Range, Tankless Water Heater
  • Fireplace Features: Living Room
  • Fireplace: Yes
  • Flooring: Wood
  • Interior Features: Cathedral Ceiling(s), Eat-in Kitchen, High Ceilings, Walk-In Closet(s), Master Downstairs

Measurements

  • Living Area: 2,294
  • Living Area Source: Owner
  • Living Area Units: Square Feet

Rooms

  • Bathrooms Full: 3
  • Bathrooms Total Integer: 3
  • Bedrooms Total: 4
  • Main Level Bathrooms: 4
  • Main Level Bedrooms: 4

Other

General

  • Exclusions: Staging

Location

  • Subdivision Name: /
  • Tax Lot: 17

Parking

Parking

  • Garage Spaces: 2
  • Garage: Yes
  • Parking Features: Driveway, Garage
  • Parking Total: 2

Schools

Elementary School

  • Elementary School: Kaiser

High School

  • High School: Newport Harbor
  • High School District: Newport Mesa Unified

Middle or Junior School

  • Middle Or Junior School: Ensign

Utilities

Equipment

  • Cooling: Central Air
  • Has Cooling: Yes
  • Heating: Central
  • Has Heating: Yes
  • Laundry Features: Inside
  • Sewer: Public Sewer
  • Utilities: Electricity Connected, Natural Gas Connected, Sewer Connected, Water Connected
  • Water Source: Public

Frequently Asked Questions

How many bedrooms and bathrooms does this single-family home have?

There are 4 bedrooms and 3 bathrooms in this single-family home at 317 Walnut Street.

What schools are nearby to 317 Walnut Street?

Nearby schools include the Kaiser Elementary School, Ensign Middle School, and Newport Harbor High School.

Does this single-family home have parking?

Yes, there are 2 parking spaces available for 317 Walnut Street.

How does 317 Walnut Street compare to other single-family homes in Eastside Costa Mesa?

This single-family home is listed 37% above the average price for single-family homes in Eastside Costa Mesa and has been on the market for 94 less days than the typical home in this area.

What is the square footage on this single-family home?

According to the MLS, this listing is 2,294 sqft.

317 Walnut Street is a 4-bedroom, 3-bath single-family home for sale in Costa Mesa CA 92627. Available on Prevu for 10 days at $3,799,000. This property features 2,294 square feet of living space, located in Eastside Costa Mesa. The median listing price for single-family homes in this area is $2,200,000. Nearby schools include Kaiser Elementary School, Ensign Middle School, and Newport Harbor High School. The home offers air conditioning, parking, and swimming pool. View other single-family home listings in Orange County.

Based on information from California Regional Multiple Listing Service, Inc. 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 Prevu or the MLS. Information is provided exclusively for consumer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumer may be interested in purchasing.

Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.