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  • 259 E 21St Street

259 E 21st Street, Costa Mesa, CA 92627

$3,795,000 Approx. USD 4 beds, 3 baths
2,413 sqft

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Photo of Patrick Ahern

Patrick Ahern REALTORĀ® - Sales Associate 858-220-9001 m
858-459-0501 o
Lic#: 00610408
NRDS ID: 196548265
aherngroup@gmail.com
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Lic#: 00610408
NRDS ID: 196548265
aherngroup@gmail.com
La Jolla Prospect Office
1299 Prospect St, Ste. 100-101, 200-203 & 301-302
La Jolla, CA 92037
Phone: 858-459-0501
Fax: 858-459-3275
La Jolla Prospect 1299 Prospect St, Ste. 100-101, 200-203 & 301-302
La Jolla, CA 92037
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Fax: 858-459-3275
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Listing Agent


Mark Taylor | marktaylor@compass.com
Lic#: 01877391
Broker: Courtesy of Compass
Phone: 949-438-4340

Co Listing Agent


Dylan Mason | dmason@compass.com
Lic#: 01709074
Broker: Courtesy of Compass

Agent Remarks

Resort-style living meets Eastside Costa Mesa charm in this beautifully reimagined retreat, where every space offers the option to both unwind and effortlessly entertain. Stunning from the curb, mature olive trees and lush landscaping designed by Chelsea Corinne Studio frame the welcoming porch and timeless, crisp white facade. Inside, the four-bedroom, three-bathroom main home opens into a light-filled great room beneath a vaulted, wood-planked ceiling, where a cozy fireplace anchors the living space. The gourmet kitchen is a natural gathering place, featuring white shaker cabinetry, classic subway tile, and a large eat-at island. Just off the kitchen, a generous dedicated dining area is bathed in natural light beneath a bespoke chandelier. An additional room with a bar and beverage refrigerators is ideal for dining or lounging and opens through accordion doors to the private backyard. A walk-in pantry with integrated laundry keeps everyday life beautifully organized. The primary suite is a true sanctuary, with folding glass doors that open directly to the pool, plus an ensuite bathroom and generous closet space. Additional bedrooms offer flexibility for family, guests, or a dedicated home office. Step outside and the resort experience comes to life. Set on an 8,600+ sf lot and enclosed by mature hedges, the backyard provides complete privacy around a pool, spa, and fire pit. An outdoor dining area, thriving garden, and plenty of room for lounge seating and an outdoor television make this a setting to enjoy from sunny afternoons to evenings under the stars. Across the patio sits a fully equipped, recently built from the ground-up ADU with a kitchen, bathroom, and vaulted ceiling. Folding glass doors and a pass-through window to an outdoor bar counter connect it seamlessly to the yard. Use it as a guest house, a poolside entertaining space, a studio, or a private suite for visiting family. Beyond your own backyard escape, enjoy the best of Eastside Costa Mesa living with all that Newport Beach has to offer right at your fingertips. The boutiques, coffee shops, and restaurants along 17th Street are just moments away, along with neighborhood parks and the Back Bay trails. The beach, Newport Harbor, and the OC Fair & Event Center are a short drive away, with convenient access to the 55 and 405 freeways.

Listing Details

Property type: Single Family Residence (Single Family)
Status: Active
MLS# NP26230733
Price: $3,795,000
HOA Fee is $0.00
Beds: 4
Baths: 3 (3 full)
Living Room,Outside fireplaces
Built in 1954
2,413 sqft
1 story
0.20 acres
Lot size: 0.1983
Subdivision: Eastside Central (ECCM)
County: Orange
Interior features: Breakfast Bar,Built-in Features,Cathedral Ceiling(s),Dry Bar,Separate/Formal Dining Room,Eat-in Kitchen,Open Floorplan,Pantry,All Bedrooms Down,Main Level Primary,Walk-In Pantry
Exterior features: Fire Pit
Appliances: SixBurnerStove,Built-In Range,Barbecue,Dishwasher,Freezer,Gas Oven,Gas Range,Refrigerator
Parking description: Driveway
Lot description: Back Yard,Front Yard
Heating/cooling: Central Air,Wall/Window Unit(s)
Heating description: Central
MLS area: C5 - East Costa Mesa

Last Updated: 10/31/2026

 Days On Market (DOM): 3

 Find more Costa Mesa homes and real estate

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This listing belongs to the C5 - East Costa Mesa MLS area

 Find more homes in the Eastside Central (ECCM) subdivision

Lat/Long: 33.645049, -117.905888.
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DISCLAIMER: There is NO WARRANTY, expressed or implied, for the accuracy of this information or its applicability to your financial situation. Please consult your financial and/or tax advisor. GET PRE-APPROVED The loan's interest rate will depend upon the specific characteristics of the loan transaction and credit profile up to the time of closing.

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Photo of Patrick Ahern

Patrick Ahern REALTORĀ® - Sales Associate 858-220-9001 m
858-459-0501 o
Lic#: 00610408
NRDS ID: 196548265
aherngroup@gmail.com
Text Me
Call My Cell
Call My Office
Lic#: 00610408
NRDS ID: 196548265
aherngroup@gmail.com

La Jolla Prospect Office
1299 Prospect St, Ste. 100-101, 200-203 & 301-302
La Jolla, CA 92037
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