308 E 18th Street, Costa Mesa, CA 92627

$4,100,000

Rarely does a property emerge that perfectly captures the essence of Eastside Costa Mesa luxury while offering the rare scale of an 8,712 sq. ft. parcel. 308 E 18th Street is a contemporary showpiece defined by its substantial estate footprint, standing out as a premier find in this coveted coastal… Read More enclave. The grounds' versatility creates a serene sense of privacy and provides a limitless canvas for a sophisticated outdoor lifestyle. Imagine this space as the ultimate stage for premier entertaining: a custom outdoor pavilion for year-round lounging, a sun-drenched alfresco dining area for long summer evenings, and the glow of string lights creating a magical ambiance for hosting under the stars. Whether you dream of a professionally landscaped garden retreat or a high-end social hub, this expansive land offers a level of creative freedom that is rare in the area. This sense of refinement continues indoors, where the home has been thoughtfully reimagined to balance modern architecture with bespoke comfort. The heart of the residence is an open-concept chef’s kitchen, fully equipped with professional-grade Thermador appliances and a generous social island designed for grand-scale hosting. New, upgraded flooring flows seamlessly into the light-filled living area, anchored by a stunning, redesigned focal-point fireplace. The transition to the second level leads to a primary suite that serves as a true sanctuary. This private retreat features a balcony, a newly added linear fireplace for a sleek modern touch, and a resort-like bath complete with a soaking tub and steam shower for a daily spa experience. Step outside to discover a private oasis defined by a quiet backdrop and significant usable open space, a retreat that serves as the perfect foundation for your outdoor vision. Beyond the property lines, the location offers the quintessential Eastside lifestyle, situated within the prestigious Newport-Mesa Unified School District (Mariners Elementary/Newport Harbor High). Living here means you are just minutes from the trendiest dining and boutiques on 17th Street, the scenic trails of the Newport Back Bay, and world-famous beaches. This is a rare opportunity to secure a turn-key designer home on a substantial, one-of-a-kind lot in one of Orange County’s most coveted neighborhoods. Read Less

Listing Snapshot

Days Online

Last Updated

Feb 11, 2026

Property Type

SingleFamilyResidence

Beds

Full Baths

Partial Baths

Square Ft.

3,039

Lot Size

0.2 Acres

Year Built

1939

MLS Number

OC26016175

Additional Details

Appliances & Equipment

SixBurnerStove, BuiltInRange, Dishwasher, ElectricOven, ElectricRange, GasRange, Microwave, Refrigerator, RangeHood, WaterSoftener

Building

Built in 1939, Living area: 3039.0, Living area units: SquareFeet, 2 stories, Levels: One, Entry level: 1, Entry location: Front, Construction Materials: Stucco

Community

Curbs, StreetLights, Sidewalks

Cooling

CentralAir

Accessibility Features

AccessibleApproachWithRamp

Exterior Features

Patio/Porch Features: Covered, FrontPorch, Open, Patio, FirePit

Fence

Vinyl

Fireplaces

LivingRoom, PrimaryBedroom

Floors

Vinyl

Garage

2 spaces

Heating

ForcedAir

Home Owner's Association

Association Fee: $0

Interior Features

BeamedCeilings, BreakfastBar, Balcony, CeilingFans, GraniteCounters, OpenFloorplan, Pantry, QuartzCounters, StoneCounters, RecessedLighting, BedroomOnMainLevel, PrimarySuite, WalkInPantry, WalkInClosets

Laundry

WasherHookup, ElectricDryerHookup, GasDryerHookup, Inside, LaundryRoom

Lot

0.2 acres, BackYard, FrontYard, Lawn, Landscaped, StreetLevel

Parking

2 total parking spaces, Driveway, Garage

Pool

None

Property

Other structures: Sheds, Neighborhood

Roof

Composition

Security Features

SecuritySystem

Sewer

PublicSewer

Taxes

Additional parcels description:, Parcel Number: 11725135, Lot: 2

Utilities

ElectricityConnected, NaturalGasConnected, SewerConnected, WaterConnected, Water Source: Public

Windows

BayWindows

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