1578 San Bernardino, Costa Mesa, CA 92627
1578 San Bernardino, Costa Mesa, CA 92627
Property Description
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,.
Features & Amenities
Property Details
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Comparative Market Analysis
Luxury Tier · 5 active · 5 closed
Costa Mesa · Single Family Residence
Listed 6.5% above the median closed sale of $3,100,000. Price per sqft ($825) is a 11% discount to closed comps ($927). Luxury tier — fewer comparable sales widen the confidence range.
Price Position
Positioned above the market — commands a premium.
Active Properties (5)
Active Comparables
| Address | City | Year | BD | BTH | SqFt | LotSz | LP/SqFt | LP | DIM | Score |
|---|---|---|---|---|---|---|---|---|---|---|
| 228 Costa Mesa Street | Costa Mesa | 2026 | 4 | 5 | 3,502 | 7,533 | $1,252 | $4.38M | 25 | 79 |
| 974 19th | Costa Mesa | 1955 | 5 | 4 | 3,412 | 7,260 | $681 | $2.33M | 80 | 66 |
| 3080 Country Club Drive | Costa Mesa | 1961 | 4 | 6 | 3,200 | 9,480 | $1,234 | $3.95M | 37 | 65 |
| 137 The Masters Circle | Costa Mesa | 2009 | 4 | 5 | 3,887 | 4,136 | $587 | $2.28M | 162 | 63 |
| 267 Mesa Dr | Costa Mesa | 2000 | 5 | 4 | 3,188 | 4,721 | $800 | $2.55M | 95 | 61 |
| Total: 5 · Average | 4.4 | 4.8 | 3,437.8 | 6,626 | $910.8 | $3.10M | 79.8 | |||
| Median | 3,412 | $2.55M | ||||||||
Closed Properties (5)
Closed Comparables
| Address | City | Year | Date | BD | BTH | SqFt | LotSz | LP | SP | SP/SqFt | SP/LP | DIM | Score |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1789 Kinglet Court | Costa Mesa | 1971 | 07/20/2026 | 5 | 3 | 3,303 | 7,000 | $3.00M | $2.85M | $863 | 0.95 | 100 | 73 |
| 175 Costa Mesa | Costa Mesa | 2019 | 07/01/2026 | 5 | 6 | 4,156 | 6,414 | $4.50M | $4.00M | $962 | 0.89 | 101 | 73 |
| 1795 Tanager Drive | Costa Mesa | 1972 | 07/20/2026 | 5 | 5 | 3,803 | 6,500 | $3.50M | $3.50M | $919 | 1.00 | 33 | 70 |
| 236 16th Street | Costa Mesa | 2015 | 09/30/2026 | 5 | 5 | 3,180 | 6,878 | $3.00M | $3.08M | $970 | 1.03 | 32 | 69 |
| 2972 Mindanao Drive | Costa Mesa | 1960 | 05/08/2026 | 6 | 4 | 3,358 | 8,137 | $2.90M | $3.10M | $923 | 1.07 | 16 | 69 |
| Total: 5 · Average | 5.2 | 4.6 | 3,560 | 6,985.8 | $3.31M | $3.31M | $927.4 | — | 56.4 | ||||
| Median | 3,358 | $3.10M | $3.10M | ||||||||||
Market Analysis
List vs Sale $/SqFt
Sale Price Trend
Days on Market
Sale vs List Price
This analysis was generated automatically from MLS data. For an in-depth, human-reviewed valuation, contact Joseph Sardella at josephsardella@gmail.com.