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  • 317 Walnut Street

317 Walnut Street, Costa Mesa, CA 92627

$3,799,000 Approx. USD 4 beds, 3 baths
2,294 sqft

  VIRTUAL TOUR Open House 11/7 1:00 PM - 4:00 PM
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The Keaty Team REALTOR® - Sales Associate 714-608-3298 m
714-745-2708 o
Lic#: 01276603
NRDS ID: 187514104
thekeatyteam@bhhscal.com
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Lic#: 01276603
NRDS ID: 187514104
thekeatyteam@bhhscal.com
Tustin Office
18302 Irvine Blvd, Suite 240
Tustin, CA 92780
Phone: 714-832-8800
Fax: 949-565-7700
Tustin 18302 Irvine Blvd, Suite 240
Tustin, CA 92780
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Listing Agent


Ken Tran | ktranhb@aol.com
Lic#: 01937599
Broker: Courtesy of eXp Realty of California Inc
Phone: 714-514-2960

Upcoming Open Houses

11/7/2026 1:00 PM - 4:00 PM
11/8/2026 1:00 PM - 4:00 PM

Agent Remarks

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.

Listing Details

Property type: Single Family Residence (Single Family)
Status: Active
MLS# OC26227859
Price: $3,799,000
HOA Fee is $0.00
Beds: 4
Baths: 3 (3 full)
Living Room fireplaces
Built in 1957
2,294 sqft
1 story
0.18 acres
Lot size: 0.1847
Subdivision: /
County: Orange
Property style: Cottage
Construction: Drywall,Stone,Stucco,Wood Siding
Interior features: Cathedral Ceiling(s),Separate/Formal Dining Room,Eat-in Kitchen,High Ceilings,All Bedrooms Down,Main Level Primary,Walk-In Closet(s)
Appliances: Free-Standing Range,Disposal,Gas Oven,Gas Range,Tankless Water Heater
Parking description: Driveway,Garage
Lot description: Front Yard,Level,Rectangular Lot,Sprinklers Timer,Sprinkler System
Heating/cooling: Central Air
Heating description: Central
MLS area: C5 - East Costa Mesa

Last Updated: 11/4/2026

 Days On Market (DOM): 16

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This listing belongs to the C5 - East Costa Mesa MLS area

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The style of this listing is Cottage.
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Lat/Long: 33.639441, -117.908016.
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DISCLAIMER: There is NO WARRANTY, expressed or implied, for the accuracy of this information or its applicability to your financial situation. Please consult your financial and/or tax advisor. GET PRE-APPROVED The loan's interest rate will depend upon the specific characteristics of the loan transaction and credit profile up to the time of closing.

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