For the first time ever, 604 Knowell Pl comes to market. This single-story Westside Costa Mesa home offers approximately 1,706 square feet of living space on a generously sized 6,098 square foot lot, with room to garden, entertain, expand or simply breathe.
A white picket fence and covered front porch set a welcoming tone. Inside, the living, dining and kitchen areas flow together in an open layout with wood-look flooring and ceiling fans. The kitchen features wood cabinetry, dark countertops, a cooktop and a wall oven, with a separate laundry room just off the hall. Including a primary bedroom with an attached bathroom featuring a bathtub and a separate glass-enclosed shower.
French doors open to a brick-step patio and a sweeping backyard with lawn, a metal storage shed, block and vinyl fencing, and potted plant areas, with plenty of space left to make your own.
The location is hard to match. Newport Pier is approximately 3.6 driving miles away, with Huntington Beach Pier approximately 6 miles. Fairview Park, with 208 acres and about 7 miles of trails, is approximately 1.7 miles away, and Triangle Square is approximately 1 mile. The LAB, The CAMP and South Coast Plaza are approximately 4 to 5 miles, Segerstrom Center for the Arts approximately 5 miles, and the OC Fair and Event Center approximately 2.4 miles. The SR-55 freeway is approximately 1.5 miles away and John Wayne Airport approximately 7 miles. Served by Newport-Mesa Unified School District.
A first-time offering on a lot this size does not come along often. Come see the possibilities.
A white picket fence and covered front porch set a welcoming tone. Inside, the living, dining and kitchen areas flow together in an open layout with wood-look flooring and ceiling fans. The kitchen features wood cabinetry, dark countertops, a cooktop and a wall oven, with a separate laundry room just off the hall. Including a primary bedroom with an attached bathroom featuring a bathtub and a separate glass-enclosed shower.
French doors open to a brick-step patio and a sweeping backyard with lawn, a metal storage shed, block and vinyl fencing, and potted plant areas, with plenty of space left to make your own.
The location is hard to match. Newport Pier is approximately 3.6 driving miles away, with Huntington Beach Pier approximately 6 miles. Fairview Park, with 208 acres and about 7 miles of trails, is approximately 1.7 miles away, and Triangle Square is approximately 1 mile. The LAB, The CAMP and South Coast Plaza are approximately 4 to 5 miles, Segerstrom Center for the Arts approximately 5 miles, and the OC Fair and Event Center approximately 2.4 miles. The SR-55 freeway is approximately 1.5 miles away and John Wayne Airport approximately 7 miles. Served by Newport-Mesa Unified School District.
A first-time offering on a lot this size does not come along often. Come see the possibilities.
Property Details
Price:
$1,299,999
MLS #:
OC26232272
Status:
Active
Beds:
3
Baths:
2
Type:
Single Family
Subtype:
Single Family Residence
Subdivision:
Westside Costa Mesa Central WCMC
Neighborhood:
c2southwestcostamesa
Listed Date:
Oct 28, 2026
Finished Sq Ft:
1,706
Lot Size:
6,032 sqft / 0.14 acres (approx)
Year Built:
1954
See this Listing
Schools
School District:
Newport Mesa Unified
High School:
Estancia
Interior
Appliances
Refrigerator, Dishwasher
Bathrooms
2 Full Bathrooms
Cooling
Central Air
Flooring
Laminate
Heating
Central
Interior Features
Granite Counters
Laundry Features
Inside, Laundry Closet
Levels
One
Main Level Bathrooms
2
Main Level Bedrooms
3
Exterior
Accessibility Features
None
Common Walls
No Common Walls
Community Features
Curbs, Biking, Sidewalks
Covered Spaces
2
Garage Spaces
2
Lot Features
Front Yard, Back Yard
Parking Features
Garage
Parking Spots
2
Parking Total
2
Patio And Porch Features
Front Porch
Spa Features
None
Stories
1
View
None
Window Features
Double Pane Windows
Financial
Map
Community
- Address604 Knowell Costa Mesa CA
- SubdivisionWestside Costa Mesa Central (WCMC)
- CityCosta Mesa
- CountyOrange
- Zip Code92627
Subdivisions in Costa Mesa
- Alta Mesa ENAM
- Back Bay Village Loop ENBL
- Brighton Springs BRIS
- Brookview BRK1
- Buccola I MBB1
- California Seabreeze CASB
- Cambridge Estates Phase I EHCE
- College Park Cinderella COLC
- College Park COLP
- College Park Harbor Estates COLH
- Costa Mesa Residential Income CMRI
- Costa Mesa Triangle CTRI
- Del Cerro DELC
- Eastside Central ECCM
- Eastside Heights EHCM
- Eastside North ENCM
- Eastside South ESCM
- Elden Shadows ENES
- Enclave ENEN
- Fairview Village FVIL
- Freedom Homes FREE
- 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 Custom Homes ICCH
- Mesa Verde Estates I MISE
- Mesa Verde Estates II MBE2
- Mesa Verde North MST1
- Mesa Verde Residential Income MVRI
- Mesa Verde Villas Iowa St. MVVL
- Monticello Townhomes MONT
- Newport Landing NPLD
- Newport Riviera ENNR
- Newport Trails NPTR
- North Central Costa Mesa NCCM
- Northbay Townhomes NBTH
- Pacesetter One Story ICPI
- Pacific Bluffs PACB
- Pentridge Cove I PENC
- Republic Homes MBRE
- San Michel SANM
- Sea Bluffs Condos SEAB
- Seabluff Canyon SBCN
- Sommerset Citihomes SOMS
- South Coast Town Center SCTC
- State Streets II MST2
- Summerland MISS
- Town & Country MIST
- Village Creek VLCK
- West Costa Mesa North WNCM
- Westside Costa Mesa Central WCMC
- Westside Costa Mesa South WSCM
- Wimbledon Village WVIL
Market Summary
Current real estate data for Single Family in Costa Mesa as of Nov 06, 2026
119
Single Family Listed
53
Avg DOM
1,010
Avg $ / SqFt
$2,028,240
Avg List Price
Property Summary
- Located in the Westside Costa Mesa Central (WCMC) subdivision, 604 Knowell Costa Mesa CA is a Single Family for sale in Costa Mesa, CA, 92627. It is listed for $1,299,999 and features 3 beds, 2 baths, and has approximately 1,706 square feet of living space, and was originally constructed in 1954. The current price per square foot is $762. The average price per square foot for Single Family listings in Costa Mesa is $1,010. The average listing price for Single Family in Costa Mesa is $2,028,240.
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604 Knowell
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