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308 E 18th St
For Sale $4,100,000
$4,100,000
- 1 Units
- Unknown Sq Ft
- 8,506 Sq Ft
- Unknown Cap Rate
Description
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.
Amenities
Garage
Pool
Garden
Security System
Internet
Telephone
Heating
Fireplace
Balcony & Patio
TV / Cable
Laundry
Hardwood Floors
Spa
Air Conditioning
Solar Power
Floor Plan
Great Views
Natural Light
Quiet
Water View
Elevator
Guest Unit(s)
Furnished
220 Volt
Property Details
| List Price | $4,100,000 |
| Property Type | Flex Space |
| Usable Sqft | Unknown |
| Number of Stories | 2 stories |
| Parking Spots | 2 spots |
| Year Built | 1995 |
| Last Sold | Unknown |
| Sold Price | Unknown |
| HOA Fees: | $0 |
| Association Name: | Unknown |
| Association Amenities: | Unknown |
| APN # | 11725135 |
| MLS # | OC26031727 |
| Property ID | 322589118 |
| Lot Sqft | 8,506 |
| Zoning | Unknown |
| Total Units | 1 |
| Days on Market | 41 |
| Original List Price | $4,100,000 |
| Date Updated | February 20, 2026 |
| Date Created | January 22, 2026 |
Financials not available online. Please inquire with your agent for more details.
Listing Provided By
Alice Schroeder an agent of . Lic #01319910
© 2026 CRMLS. All rights reserved. Some listings on this website are from CRMLS as of February 20, 2026 The information being provided is for consumers personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.
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Robert Crawford
REAL ESTATE AGENT