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Shawn Bengtson

Office Broker - DRE 01236964

  • Office 760-805-7199
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1578 San Bernardino, Costa Mesa – $3,500,000

  • 6 Beds
  • 6 Baths
  • 4,000 Sqft
  • .18 Acres
  • 6 Beds
  • 6 Baths
  • 4,000 Sqft
  • .18 Acres

1578 San Bernardino

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,.

Essential Information

  • MLS® #OC26162895
  • Price$3,500,000
  • Bedrooms6
  • Bathrooms6.00
  • Full Baths5
  • Half Baths1
  • Square Footage4,000
  • Acres0.18
  • Year Built2004
  • TypeResidential
  • Sub-TypeDuplex
  • StyleContemporary
  • StatusActive

Community Information

  • Address1578 San Bernardino
  • AreaC5 - East Costa Mesa
  • SubdivisionEastside South (ESCM)
  • CityCosta Mesa
  • CountyOrange
  • Zip Code92627

Amenities

  • Parking Spaces3
  • # of Garages3
  • ViewOcean
  • Has PoolYes
  • PoolGas Heat, Heated, Private

Parking

Door-Multi, Direct Access, Driveway, Garage, On Site, Paved

Garages

Door-Multi, Direct Access, Driveway, Garage, On Site, Paved

Interior

  • InteriorTile
  • HeatingCentral, Ductless, Forced Air
  • CoolingCentral Air, Ductless
  • FireplaceYes
  • FireplacesPrimary Bedroom
  • # of Stories2
  • StoriesTwo

Interior Features

Granite Counters, High Ceilings, Multiple Staircases, Two Story Ceilings, All Bedrooms Up, Walk-In Closet(s), Dressing Area

Appliances

Dishwasher, Gas Oven, Gas Range, Microwave

Exterior

  • Lot DescriptionZeroToOneUnitAcre

School Information

  • DistrictNewport Mesa Unified
  • ElementaryNewport Heights
  • MiddleHorace Ensign
  • HighNewport Harbor

Additional Information

  • Date ListedJuly 25th, 2026
  • Days on Market37

Listing Details

  • AgentRobin Fenchel
  • OfficeRobin Fenchel, Broker
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Robin Fenchel, Robin Fenchel, Broker.

Based on information from California Regional Multiple Listing Service, Inc. as of September 1st, 2026 at 2:46pm PDT. 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.