317 Walnut Street Costa Mesa CA 92627 | MLS #OC26227859
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
See this Listing
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
- Address317 Walnut Street Costa Mesa CA
- SubdivisionOther (OTHR)
- CityCosta Mesa
- CountyOrange
- Zip Code92627
Subdivisions in Costa Mesa
- Brighton Springs BRIS
- Brittany Woods Townhomes ENBW
- Brookview BRK1
- Buccola I MBB1
- Cambridge Estates Phase I EHCE
- College Park Cambridge Estates COLE
- College Park COLP
- College Park Harbor Estates COLH
- Costa Mesa Residential Income CMRI
- Costa Mesa Triangle CTRI
- Eastside Central ECCM
- Eastside Heights EHCM
- Eastside North ENCM
- Eastside South ESCM
- Enclave ENEN
- Freedom Homes FREE
- Garden Park Village GPKV
- Halecrest HALE
- Half Moon Lane HML
- Harbor Estates MTHE
- Laurels @ Providence Ranch LAUR
- Longwood Greens LONG
- Lyon Mesa LYNM
- Marina Series MMMS
- Mesa del Mar – Park Series MDMB
- Mesa Del Mar MDMA
- Mesa North MENO
- Mesa Verde by Dike/Colegrove MTDC
- Mesa Verde Collection MVCO
- Mesa Verde Estates II MBE2
- Mesa Verde North MST1
- Mesa Verde Residential Income MVRI
- Mesa Verde Villas Iowa St. MVVL
- Mesa Woods MSWD
- Monticello Townhomes MONT
- Newport Landing NPLD
- Newport Riviera ENNR
- Newport Trails NPTR
- Ocean Breeze Villas OCBV
- Pacific Bluffs PACB
- Pentridge Cove I PENC
- Republic Homes MBRE
- San Michel SANM
- Seabluff Canyon SBCN
- Sommerset Citihomes SOMS
- State Streets II MST2
- Summerland MISS
- Sunshine Homes West SUNW
- West Costa Mesa North WNCM
- Westside Costa Mesa Central WCMC
- Westside Costa Mesa South WSCM
- Wimbledon Village WVIL
- Woodstream Condos ENWS
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.
Similar Listings Nearby
Courtesy of eXp Realty of California Inc. Disclaimer: All data relating to real estate for sale on this page comes from the Broker Reciprocity (BR) of the California Regional Multiple Listing Service. Detailed information about real estate listings held by brokerage firms other than Compass include the name of the listing broker. Neither the listing company nor Compass shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. The Broker providing this data believes it to be correct, but advises interested parties to confirm any item before relying on it in a purchase decision. Copyright 2026. California Regional Multiple Listing Service. All rights reserved.317 Walnut Street
Costa Mesa, CA
