317 Walnut Street Costa Mesa CA 92627 | MLS #OC26227859

317 Walnut Street
Costa Mesa, CA, 92627
$3,799,000
4 Beds
3 Baths
2,294 SqFt
0.18 Acres
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MLS #OC26227859 image #0
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.

Property Details

Price:
$3,799,000
MLS #:
OC26227859
Status:
Active
Beds:
4
Baths:
3
Type:
Single Family
Subtype:
Single Family Residence
Neighborhood:
c5eastcostamesa
Listed Date:
Oct 21, 2026
Finished Sq Ft:
2,294
Lot Size:
8,046 sqft / 0.18 acres (approx)
Year Built:
1957
CottagePoolC5 – East Costa MesaC5eastcostamesaNewport Mesa UnifiedKaiserEnsignNewport HarborNone

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Schools

School District:
Newport Mesa Unified
Elementary School:
Kaiser
Middle School:
Ensign
High School:
Newport Harbor

Interior

Appliances
Disposal, Tankless Water Heater, Free-Standing Range, Gas Range, Gas Oven
Bathrooms
3 Full Bathrooms
Cooling
Central Air
Flooring
Wood
Heating
Central
Interior Features
High Ceilings, Cathedral Ceiling(s)
Laundry Features
Inside
Levels
One
Main Level Bathrooms
4
Main Level Bedrooms
4

Exterior

Architectural Style
Cottage
Common Walls
No Common Walls
Community Features
Rural
Construction Materials
Wood Siding, Stucco, Stone, Drywall Walls
Covered Spaces
2
Direction Faces
Northeast
Fencing
Block, Vinyl
Garage Spaces
2
Lot Features
Lot 6500-9999, Rectangular Lot, Level, Sprinklers Timer, Front Yard, Sprinkler System
Open Parking YN
1
Parking Features
Garage, Driveway
Parking Spots
2
Parking Total
2
Spa Features
None
Stories
1
View
None

Financial

Map

Community

Market Summary

Current real estate data for Single Family in Costa Mesa as of Oct 26, 2026
116
Single Family Listed
49
Avg DOM
995
Avg $ / SqFt
$2,006,715
Avg List Price

Property Summary

    Located in the Other (OTHR) subdivision, 317 Walnut Street Costa Mesa CA is a Single Family for sale in Costa Mesa, CA, 92627. It is listed for $3,799,000 and features 4 beds, 3 baths, and has approximately 2,294 square feet of living space, and was originally constructed in 1957. The current price per square foot is $1,656. The average price per square foot for Single Family listings in Costa Mesa is $995. The average listing price for Single Family in Costa Mesa is $2,006,715. To schedule a showing of MLS#oc26227859 at 317 Walnut Street in Costa Mesa, CA, contact your Compass agent at 310.409.7242.

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317 Walnut Street
Costa Mesa, CA