Homes Over 3000 Sq Ft For Sale in Costa Mesa

Homes over 3,000 square feet in Costa Mesa are concentrated on the Eastside and in Mesa Verde, typically priced from $1.5M to over $3M for newer custom builds. I track this inventory as part of my weekly Orange County housing report and can tell you what is active, what just went pending, and what similar homes have sold for. Call or text any time: 949-430-7500

Where Large Homes Are Found in Costa Mesa

Costa Mesa's over-3,000 square foot inventory is driven primarily by the teardown and rebuild activity that has transformed the Eastside neighborhoods adjacent to Newport Beach over the past two decades. Custom and semi-custom homes in this tier are now common on the Eastside, where older mid-century homes on generous lots have been replaced by two and three-story contemporary builds that maximize the available square footage. These homes are typically built to a high standard with open floor plans, premium finishes, and indoor-outdoor living spaces that define the central OC coastal aesthetic.

The Eastside is roughly the section of Costa Mesa east of Newport Boulevard, bordering Newport Beach directly. Lot sizes here are typically 6,000 to 8,000 square feet, which supports the two and three-story footprints needed to reach 3,000 square feet and above. Buyers who want a large custom home with Newport Beach adjacency at a price point below the Newport premium consistently find the best value on the Eastside.

In Mesa Verde and the College Park neighborhoods, original homes rarely reached 3,000 square feet in original construction, but a meaningful number of properties have been expanded through additions. Buyers in these neighborhoods should assess any addition carefully, as the quality of expansion work varies and how well it integrates with the original structure matters both functionally and for long-term resale. Costa Mesa is served by Newport-Mesa Unified School District, which is consistently one of the stronger unified districts in Orange County.

Market Context for Large Home Buyers in Costa Mesa

The Costa Mesa Eastside consistently delivers the strongest demand for large custom homes in the city, driven by buyers who want Newport Beach adjacency at a price point that remains below the Newport premium. The value gap between a comparable custom build on the Eastside versus the Newport Beach side of the same street can be $500,000 to $1M, purely on the basis of the city address. For buyers flexible on that distinction, the Eastside is one of the better large-home values in coastal OC.

New construction and recently completed custom builds in the over-3,000 square foot tier sell efficiently when priced to the market and presented well. Well-located Eastside homes do not typically sit long, and buyers competing for the best product in this segment should be pre-approved and ready to move. For current median prices, active inventory, and recent sales, see the live Costa Mesa market report.

Frequently Asked Questions

What is the Costa Mesa Eastside?

The Eastside is the portion of Costa Mesa that borders Newport Beach, roughly east of Newport Boulevard. It has the city's highest concentration of large custom homes, the result of two decades of teardown and rebuild activity on the original mid-century lots. Buyers who look at Newport Beach custom homes and find the price difficult often find comparable products on the Eastside for meaningfully less, with the primary difference being the city address.

How much less is a Costa Mesa Eastside home vs. a comparable Newport Beach home?

The address premium is real and consistent. A 3,200 square foot custom home on the Costa Mesa Eastside built to the same standard and on a comparable lot as one just across the city line in Newport Beach will typically price $500,000 to $1M lower. The construction quality, finish level, and lifestyle are nearly identical. The difference is the Newport Beach ZIP code, which matters to some buyers and not at all to others.

What school district serves Costa Mesa?

Costa Mesa is served by Newport-Mesa Unified School District. Estancia High School and Costa Mesa High School serve different parts of the city. The district is one of the stronger unified districts in Orange County, and Eastside buyers in particular often note that their children can attend the same schools as Newport Beach kids given the overlapping district boundaries in that area.

Is it better to buy a new custom build or an expanded original home in Costa Mesa?

For most buyers at this size tier, a purpose-built custom home on the Eastside is the stronger choice. Additions and expansions on original Mesa Verde and College Park homes vary widely in quality, and a poorly integrated addition can affect livability, resale appeal, and lender perception. New and recently completed custom builds on the Eastside come with warranties, predictable maintenance profiles, and floor plans specifically designed for the square footage rather than retrofitted around an existing structure.

Selling a Luxury Home in Costa Mesa?

The Costa Mesa Eastside custom home market operates at the intersection of Costa Mesa and Newport Beach pricing, and getting a large custom home valued correctly here requires understanding both markets simultaneously. Automated valuations routinely undervalue Eastside custom builds because the algorithm anchors on the Costa Mesa address rather than recognizing the Newport-adjacent product quality and demand. The result is a starting number that leaves money on the table for sellers who rely on it.

Orange County Real Estate, Inc. is based in Costa Mesa, and Eric Engelbert has been tracking the Eastside custom home market through every cycle for years. He brings firsthand knowledge of what buyers are paying on both sides of the city line, which comparable transactions are the most relevant, and how to position a large Costa Mesa custom home to attract the Newport-quality buyer who is specifically looking for the value this market offers.

If you are considering selling a large custom home in Costa Mesa, a private valuation consultation grounded in the actual Eastside market is the right starting point.

Request a Private Valuation »

Compare Large Homes in Nearby Communities

Buyers comparing Costa Mesa often also look at these neighboring communities, where large custom homes are available at different price points and coastal proximity levels:

Open Houses in Costa Mesa

Walking through large homes in person is the only reliable way to understand how the square footage is distributed and whether a floor plan works for how your family actually lives. See the current weekend open house schedule for Costa Mesa and plan your tours.

View Costa Mesa Open Houses »

Ready to Find a Large Home in Costa Mesa?

Eric Engelbert is an Orange County real estate broker who tracks every city and every size tier through weekly market reports. Get expert guidance on current pricing, which communities offer the best value at your target square footage, and how to compete effectively before you make an offer.

Call or Text 949-430-7500 Contact Us Online »

Last updated: June 2026

Costa Mesa Homes over 3,000 Sq. Ft. for Sale

635 Plumer, Costa Mesa
$1,999,999
5 Beds ⋅ 4 Baths ⋅ OC26229551 MLS ⋅ Active Status
FULLY REMODELED LUXURY DUPLEX JUST MINUTES FROM NEWPORT BEACH! Live in one and rent out the other. Welcome to exceptional coastal living in Costa Mesa. This meticulously remodeled, high-end duplex is ideally located within minutes of the beautiful beaches of Newport Beach, as well as nearby shopping, dining, entertainment, and the 55 Freeway. This 5-bedroom, 4-bathroom property offers over 3,000 square feet of combined living space, offering modern luxury, flexible living arrangements, and excellent income potential for an owner-occupant, multigenerational family, or savvy investor. The first unit offers a spacious single-story home featuring 3 bedrooms, 2 bathrooms, and approximately 1,906 sq. ft. of living space. Upon entering, a generous size front room provides a welcoming transition into the home and offers an additional space that can be used as a formal sitting area, family room, home office, game room, or entertainment space. The wide hallway opens into the main living areas, creating an expansive and inviting atmosphere showcasing the open-layout gourmet kitchen featuring an expansive center island with bar seating, European-style cabinetry, quartz countertops, with high-end fixtures, modern finishes, and LED lightning. The primary suite boasts a beautifully remodeled en-suite bathroom showcasing sophisticated tile work extending throughout the walls, creating a luxurious, spa-inspired atmosphere and offering comfort, privacy, and convenience. The second residence is a beautifully remodeled two-story unit offering approximately 1,174 sq. ft. , with 2 en-suite bedrooms, one downstairs, and a large en-suite upstairs. This unit also features European-style cabinetry, modern finishes throughout, and central air conditioning, providing comfortable and private living space for extended family, guests, or rental income. Adding to this amazing home, both units enjoy access to a generously sized backyard featuring manicured landscaping with plenty of space to unwind and relax. The spacious outdoor area is ideal for weekend BBQs, outdoor dining, entertaining, family gatherings, or enjoying the Southern California lifestyle. With a combined 5 bedrooms, 4 bathrooms, and approximately 3,080 sq. ft. of living space, this exceptional duplex offers a rare combination of modern luxury, versatility, outdoor living, and location.

635 Plumer, Costa Mesa

1657 Murano Place, Costa Mesa
$3,250,000
4 Beds ⋅ 4 Baths ⋅ PW26220029 MLS ⋅ Active Status
Welcome to 1657 Murano Place, ideally situated in the highly sought-after Miraval community of Mesa Verde. Built in 2016, this stunning contemporary corner-lot residence boasts the largest lot in the community, offering an exceptional combination of space, sophisticated design, and indoor-outdoor living. The thoughtfully designed open floor plan features an expansive, light-filled great room, soaring 10-foot ceilings, engineered hardwood flooring throughout, and a striking floating staircase. At the heart of the home, the chef-inspired kitchen showcases an oversized island with a secondary sink, abundant storage, and bar seating, complemented by quartz countertops, stainless steel GE appliances, floating shelves, and a walk-in pantry. A formal dining area and dedicated mudroom add both elegance and everyday functionality. A desirable main-level guest suite offers a private bathroom, walk-in closet, and sliding glass door with direct access to the backyard. The property also features a two-car garage, with the additional one-car garage currently converted into a bedroom, providing added flexibility for guests, extended family, or a private workspace. Upstairs, a spacious bonus room provides versatile space for a secondary living area, home office, gym, or playroom. The second level also offers a convenient laundry room, a Jack-and-Jill bathroom, and three additional bedrooms, each with its own walk-in closet. The luxurious primary suite, complete with a spa-inspired bathroom featuring a spacious shower, soaking tub, and dual walk-in closets. Designed for effortless entertaining, expansive bi-fold doors and windows open from the kitchen to a California room, creating a seamless transition to the private backyard oasis. Enjoy a sparkling pool and spa, low-maintenance artificial turf, and lush privacy hedging, an ideal setting for relaxing or hosting gatherings year-round. Conveniently located near parks, restaurants, shopping, and major freeways, with the beaches and Mesa Verde Country Club just a short drive away. Homes in this award-winning community are rarely available! Don't miss this exceptional opportunity to experience the best of Miraval living!

1657 Murano Place, Costa Mesa

267 Mesa Dr, Costa Mesa
$2,099,000
5 Beds ⋅ 4 Baths ⋅ OC26223493 MLS ⋅ Active Status
**PRICED TO ATTRACT OFFERS** 267 Mesa Drive presents an exceptional opportunity to own a beautifully remodeled, turnkey home in coveted Eastside Costa Mesa. Strategically priced to generate strong buyer interest, this 3,188-square-foot residence features five bedrooms and a private resort-style backyard with a sparkling pool and spa. This is the California lifestyle buyers dream about—and an opportunity to act quickly before it's gone. From the moment you arrive, the curb appeal stops you in your tracks. A striking two-story façade—white stucco, warm brick accents, a terracotta tile roof, and swaying palms—frames a charming enclosed front yard with lush grass and a private gated entry. Day or night, this home dazzles; the twilight glow from the signature upper balcony is nothing short of cinematic. Inside, warm wide-plank hardwood floors flow through light-drenched, open-concept living spaces designed for how families actually live. The chef's kitchen is a true showstopper, featuring a generous island perfect for homework, happy hour, and everything in between. French doors open seamlessly to the backyard, where the pool, spa, and outdoor entertaining spaces create the ultimate extension of the home. Five bedrooms give every family member their own sanctuary, including a flexible first-level bedroom ideal for guests or a home office. The sprawling primary suite features a massive walk-in closet with custom built-ins, direct balcony access, and sweeping golf course views. Upper-level laundry adds everyday ease, while a spacious two-car garage completes the picture. Walkable to restaurants and parks, minutes to the beach, South Coast Plaza, and freeways—all within a top-rated school district. 267 Mesa Drive isn't just move-in ready. It's life-ready.

267 Mesa Dr, Costa Mesa

228 Costa Mesa Street, Costa Mesa
$3,995,000
4 Beds ⋅ 5 Baths ⋅ OC26200873 MLS ⋅ Active Status
BRAND-NEW MODERN RESIDENCE | 10’ CEILINGS | MARBLE + CONCRETE | SINGLE LEVEL | NEWPORT LIFESTYLE | 228 Costa Mesa Street is a newly completed approximately 3,502-square-foot footprint, single-level residence with 4 bedrooms and 4.5 bathrooms, set on an approximately 7,533-square-foot lot. Designed with an unmistakably modern point of view, the home pairs dramatic scale with a refined material palette. 10-foot ceilings throughout the house, 17 ft ceiling in living room, concrete flooring, Carrara marble countertops and marble-clad bathrooms create a sophisticated yet relaxed environment, while expansive glass openings fill the interiors with natural light and connect the main living spaces effortlessly to the outdoors. The open kitchen, dining and living areas form the heart of the home, complemented by a generous primary suite, well-separated secondary bedrooms, walk-in closets, pantry, dedicated laundry, covered outdoor living and an attached two-car garage. A distinctive checkered entrance patio creates a memorable sense of arrival, while clean contemporary architecture gives the property a presence that separates it from typical new construction. Solar is included, adding energy efficiency to the home’s contemporary design. Equally compelling is the setting. The home sits on a quiet residential street in desirable Eastside Costa Mesa, away from major through traffic, yet remains a short distance to the restaurants, cafés, fitness studios and shopping of the 17th Street corridor. The neighborhood continues to evolve as one of coastal Orange County’s most desirable lifestyle destinations, with Erewhon’s first Orange County location planned nearby on 17th Street within a short distance. Newport Harbor, the Back Bay, Lido Marina Village, Newport Beach and Balboa Peninsula are all just minutes away. For buyers coming from Los Angeles, this property offers an increasingly difficult combination to find: bold modern architecture, approximately 3,500 square feet footprint of single-level living, substantial private space, a quiet neighborhood, walkable lifestyle amenities and Newport Beach just beyond your doorstep. A home that needs to be experienced in person.

228 Costa Mesa Street, Costa Mesa

1578 San Bernardino, Costa Mesa
$3,299,999
6 Beds ⋅ 6 Baths ⋅ OC26162895 MLS ⋅ Active Status
Another $100K Price Adjustment. Highly Motivated Seller! Welcome to this Magnificently rebuilt legal duplex on a large pie-shaped Cul-de-Sac lot in Stylish Contemporary Italian Architecture and Design built in 2004 and updated and expanded in 2026 this Frank Gehry inspired look is both flexible and versatile with high volume /open areas where the traditional boundary between indoor and outdoor is at the same time breached and joined. Remodeled/Reimagined/Resurgent maximizing space while incorporating modern conveniences seeking to integrate the surrounding suburban landscape into an Abode which will have you either considering continuous entertaining or a life of a Hermit. In addition, while the Main Unit features 4 bedrooms +Office with 3.5Baths and the attached ADU featuring 2Bd 2Ba 2story 1000 sq. ft. that can easily rent for $3500 or act as a Mother -in-Law apartment the specialness will become apparent at your first visit. The Bedrooms each have individual AC units so that the climate control can be "Individualized" for each inhabitant w/o compromising comfort. A private lap pool and Spa +Outdoor Shower will make your "luxury" moments enjoyable and addictive. The attached 3 Car Garage adds a measure of convenience that will instantly be appreciated. Minutes away from both the Beach{sea breezes} and the Freeway this conveniently situated Home "checks all the boxes" and will inspire you for a long time,.

1578 San Bernardino, Costa Mesa

974 W 19th, Costa Mesa
$2,150,000
5 Beds ⋅ 4 Baths ⋅ PW26161377 MLS ⋅ Active Status
Welcome to this beautifully designed two-story residence built in 2008, offering approximately 3,412 square feet of living space with 5 bedrooms and 4.5 bathrooms on an approximately 7,260 square foot lot. This thoughtfully designed home features a bright, open floor plan with spacious living areas, quality finishes, and flexible living spaces to accommodate a variety of needs. The main level includes two bedrooms, including a primary suite with an en-suite bathroom, making it ideal for guests, extended household living, or a convenient first-floor retreat. The open-concept kitchen is designed for both everyday living and entertaining, featuring a large center island, range hood, generous counter space, and ample cabinetry. Plantation shutters, recessed lighting, and abundant natural light enhance the main living areas. Additional storage is available with a closet beneath the staircase and a hallway storage closet. Upstairs, the spacious primary suite offers a walk-in closet and an en-suite bathroom with a soaking tub and separate shower. French doors from the upstairs landing open to a private balcony where you can enjoy refreshing coastal breezes. Two additional bedrooms, two hallway storage closets, and a dedicated upstairs laundry room complete the second level. Additional features include a dramatic staircase accented by a chandelier, tile roof, and an attached garage that has been converted into a workshop or studio with an additional half bathroom. Buyers are advised to verify permits, square footage, and potential uses with the appropriate professionals. The space may offer flexibility and could potentially be converted back to garage use, subject to buyer verification. The backyard is designed for year-round enjoyment with a covered patio and generous outdoor space for entertaining, gardening, or relaxing. Conveniently located near beaches, parks, shopping, dining, and major transportation routes, this home offers an opportunity to enjoy coastal living with ocean breezes and select ocean views.

974 W 19th, Costa Mesa

2558 Westminster, Costa Mesa
$4,295,000
3 Beds ⋅ 4 Baths ⋅ OC26121183 MLS ⋅ Active Status
Welcome to Eastside! Introducing this custom Modern Farmhouse, ground-up construction home in highly soughtafter Eastside Costa Mesa. Thoughtfully designed, a stunning blend of timeless character and contemporary luxury, thoughtfully crafted with high-end custom finishes and architectural detailing throughout. Situated on a very private, family-oriented, tree-lined street just a few blocks from Brentwood Park, this home offers an exceptional lifestyle location. Enter through the custom oversized solid wood pivot entry door onto 10” wide-plank engineered hardwood flooring that flows seamlessly throughout. Exposed ceiling beams and decorative rafters accent the open-concept living spaces, creating warmth and volume while maintaining a clean, modern aesthetic. At the heart of the home is a stunning chefs kitchen showcasing a premium Wolf appliance package, custom Shinnoki cabinetry, and a built-in Wolf coffee system tucked into the walk-in pantry. The adjoining family room opens to the outdoor living area through expansive bifold doors, delivering a true indoor/outdoor lifestyle ideal for entertaining and everyday living. The primary suite is a private sanctuary, complete with a spa inspired master bath retreat featuring designer porcelain tile and bifold glass doors that extend to an outdoor space for a resort-like experience. Additional bathrooms are equally elevated with curated porcelain tile and thoughtful design. Outside, a custom solid wood garage door and curated modern farmhouse landscape and hardscape design create outstanding curb appeal. Mature Olive trees, water elements, and fire features define the grounds. Every detail of this brand-new Eastside Costa Mesa home has been intentionally selected to offer a refined, open-concept indoor/outdoor living experience with uncompromising quality, comfort, and style.

2558 Westminster, Costa Mesa

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Based on information from California Regional Multiple Listing Service, Inc. as of . This information is for your personal, non-commercial use and may not be used for any purpose other than to identify prospective properties you may be interested in purchasing. Display of MLS data is usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and should investigate the data themselves or retain appropriate professionals. Information from sources other than the Listing Agent may have been included in the MLS data. Unless otherwise specified in writing, Broker/Agent has not and will not verify any information obtained from other sources. The Broker/Agent providing the information contained herein may or may not have been the Listing and/or Selling Agent.

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