Unlock an extraordinary high-yield investment in the heart of Eastside Costa Mesa. Positioned within a rare zoning niche that favors Institutional and Recreational Use. This is more than a home; it is a scalable business asset. Whether launching a boutique startup or scaling to a maximum-capacity facility, the bones and location of 308 E 18th St are unmatched for high-income potential.
• Capacity & Scale: 3,039 Sq. Ft. of refined living space on 8,500 Sq. Ft. lot.
Significant room for outdoor recreation or potential expansion of resident capacity.
• Accessibility Ready: Professionally installed accessible approach ramp and multiple main-level bedrooms/bathrooms, drastically reducing initial “Speed-to-Market” licensing costs for RCFE operators.
• Modern Executive Aesthetic: Open-concept chef’s kitchen with Thermador appliances and quartz social island; ideal for high-end nutritional programming or private chef services.
• Strategic Location: Prime Eastside pocket with immediate access to 17th St amenities, Mariners Elementary zone, and Hoag Hospital/Newport medical hubs.
• Operators can leverage the massive footprint to scale room count and resident capacity through city-approved reconfigurations.
• Capacity & Scale: 3,039 Sq. Ft. of refined living space on 8,500 Sq. Ft. lot.
Significant room for outdoor recreation or potential expansion of resident capacity.
• Accessibility Ready: Professionally installed accessible approach ramp and multiple main-level bedrooms/bathrooms, drastically reducing initial “Speed-to-Market” licensing costs for RCFE operators.
• Modern Executive Aesthetic: Open-concept chef’s kitchen with Thermador appliances and quartz social island; ideal for high-end nutritional programming or private chef services.
• Strategic Location: Prime Eastside pocket with immediate access to 17th St amenities, Mariners Elementary zone, and Hoag Hospital/Newport medical hubs.
• Operators can leverage the massive footprint to scale room count and resident capacity through city-approved reconfigurations.
Property Details
Price:
$4,100,000
MLS #:
OC26031727
Status:
Active
Beds:
0
Baths:
0
Type:
Single Family
Subtype:
Commercial/Residential
Subdivision:
Eastside Central ECCM
Neighborhood:
c5eastcostamesa
Listed Date:
Feb 11, 2026
Total Sq Ft:
3,039
Lot Size:
8,506 sqft / 0.20 acres (approx)
Year Built:
1995
See this Listing
Schools
Interior
Laundry Features
IR, IN
Exterior
Community Features
SDW
Parking Spots
2
Financial
Map
Community
- Address308 E 18th ST Costa Mesa CA
- SubdivisionEastside Central (ECCM)
- CityCosta Mesa
- CountyOrange
- Zip Code92627
Subdivisions in Costa Mesa
- Award AWAR
- Bay Laurel ENBY
- College Park COLP
- Coral Point CORP
- Country Club I ICC1
- Country Club Manor ENCC
- Del Cerro DELC
- Eastside Central ECCM
- Eastside Heights EHCM
- Eastside South ESCM
- Freedom Homes FREE
- Greenbrook By Larwin GBLR
- Halecrest HALE
- Harbor Pointe Condos HPTC
- Mesa Del Mar MDMA
- Mesa Verde Collection MVCO
- Mesa Verde Residential Income MVRI
- Mesa Verde Villas Iowa St. MVVL
- Monticello Townhomes MONT
- Newport Riviera ENNR
- Oceanview Park OCPK
- Pacesetter One Story ICPI
- State Streets II MST2
- Village Creek VLCK
- Westside Costa Mesa Central WCMC
- Westside Costa Mesa South WSCM
- Wilson Park Condos WPKC
Market Summary
Current real estate data for Single Family in Costa Mesa as of Mar 15, 2026
168
Single Family Listed
62
Avg DOM
602
Avg $ / SqFt
$1,147,183
Avg List Price
Property Summary
- Located in the Eastside Central (ECCM) subdivision, 308 E 18th ST Costa Mesa CA is a Single Family for sale in Costa Mesa, CA, 92627. It is listed for $4,100,000 and features 0 beds, 0 baths, and has approximately 0 square feet of living space, and was originally constructed in 1995. The average price per square foot for Single Family listings in Costa Mesa is $602. The average listing price for Single Family in Costa Mesa is $1,147,183.
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308 E 18th ST
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