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4 Beds
3 Baths
2,294 sqft

$3,799,000

317 Walnut ST, COSTA MESA CA, 92627

Price per sqft$1,656.06
Built in1957
Property size2,294 sqft
Property typeResidential

Overview

Active

Listed Oct 21, 2026

Updated 2h ago

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.

$25,275/mo

Est. mortgage payment based on a $3,799,000 home price.

All estimates are provided by Luxury Presence for informational purposes only. Actual amounts may vary.

Additional information

MLS® ID
OC26227859MR

Interior Features

Bedrooms
4
Bathrooms
3
Fireplace
Yes
Cooling
Yes
Heating
Yes
Basement
No

Exterior Features

Lot Size
0.18 Acres

Other Property Details

Garage
Yes
Pool
Yes

Listed by Ken Tran with eXp Realty of California Inc
Listing Contact: 714-514-2960 

Based on information from The MLSTM / Combined LA/Westside Multiple Listing Service, Inc. IDX information is provided exclusively for consumers' personal, non-commercial use, it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. All information is deemed reliable but not guaranteed and should be independently reviewed and verified. Property locations as displayed on any map are best approximations only and exact locations should be independently verified. All properties are subject to prior sale, change or withdrawal, and may or may not be listed by the office/agent presenting the information. Neither listing broker(s) nor Michael Grady shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. 

©2026 Combined L.A./Westside MLS. All rights reserved.

Data last updated 10/21/2026

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