$2,495,000
4Beds4Baths2,600SqFt
289 23rd StreetCosta Mesa, CA 92627Eastside Central
Sold
433 431 E 19th sold on February 20, 2026 for $2,450,000, at the asking price on its first day on the market. The buyer paid cash. The details are below for reference.
433 431 E 19th, Costa Mesa, CA 92627
- 2 beds
- 2 baths
- 1,520 sq ft
- Built 1951
$2,450,000
The home
About 433 431 E 19th
Inputted for Comp purposes :: Prime Eastside Costa Mesa Duplex with ADU Flex Space. Exceptional opportunity in sought-after Eastside Costa Mesa. Set on an expansive 8,276 sq ft lot, this single-level duplex features two 2-bedroom, 1-bath units (4BD/2BA total) totaling approximately 1,520 sq ft of living space.
Both units showcase vaulted tongue-and-groove ceilings, dual-pane windows, wood and luxury vinyl plank flooring, and updated kitchens and baths. Unit 433 features a larger primary bedroom that opens directly to the backyard with custom decking, creating a seamless indoor-outdoor retreat. The 433 unit also enjoys an additional outdoor shower and private sauna, enhancing the property’s coastal lifestyle appeal.
The detached 361sqft structure is currently configured as a flex space/office and offers excellent ADU potential (buyer to verify). Both 431 and 433 have direct access to this versatile space, providing added flexibility for work, guests, or future rental income.
New landscaping and fencing further elevate the property’s curb appeal and privacy, while mature trees and thoughtfully designed outdoor areas create inviting spaces to relax or entertain. A detached 2-car garage, carport, and additional driveway parking complete the offering.
Ideally located near 17th Street dining, Back Bay trails, beaches, and within the highly regarded Newport-Mesa Unified School District, including sought-after Mariners Elementary enrollment.
A rare investment or owner-occupant opportunity in one of Orange County’s most desirable neighborhoods.
Property details for 433 431 E 19th
This 2-bedroom, 2-bath duplex sits in the Eastside Central neighborhood of Costa Mesa in Orange County. It offers 1,520 square feet of living space. The home was built in 1951. The MLS record lists the assessor parcel number as 117-341-34. Highlights include single-story living, a two-car garage, and an updated home. The detail sections on this page cover interior and exterior features, estimated taxes, HOA dues where they apply, and the map location.
Specifications
Home Details
At a glance
- Price
- $2,450,000
- Days On Site
- N/A
- Bedrooms
- 2
- Inside Area (SqFt)
- 1,520 sqft
- Total Baths
- 2
- Full Baths
- 2
- Partial Baths
- N/A
- Lot Size
- N/A
- Year Built
- 1951
- MLS® Number
- OC26039996
- Status
- Sold
- Property Tax
- N/A
- HOA/Condo/Coop Fees
- N/A
- Sq Ft Source
- PublicRecords
General Features
- Property Type
- Duplex
- MLS Number
- OC26039996
- Year Built
- 1951
- Living Area (sq ft)
- 1,520
- Living Area Source
- Public Records
- Lot Size (sq ft)
- 8,276
- Lot Size (acres)
- 0.19
- Levels
- One
- Bedrooms
- 2
- Full Baths
- 2
- Garage Spaces
- 2
- Parking Spaces
- 8
- View
- None
- Parcel Number
- 11734134
- On Market Date
- 2026-02-23
- Listing Terms
- Standard
Interior Features
- Interior Features
- Bedroom On Main Level
- Appliances
- Six Burner Stove, Dishwasher
- Flooring
- Laminate
- Heating
- Central
- Cooling
- None
- Fireplace
- None
- Laundry
- In Garage
- Main Level Bedrooms
- 2
- Main Level Bathrooms
- 2
- Entry Level
- 1
- Common Walls
- No Common Walls
Exterior Features
- Foundation
- Raised
- Lot Features
- Front Yard, Landscaped
- Parking
- Carport, Garage Faces Rear
- Fencing
- See Remarks
- Pool Features
- None
- Spa
- None
- Sewer
- Public Sewer
- Water
- Public
- Utilities
- Cable Available, Natural Gas Available
- Condition
- Updated Remodeled
- Faces
- West
- Units
- 2
Community Features
- Subdivision
- Eastside Central (ECCM)
- Community Features
- Suburban
The record
Property History for 433 431 E 19th
| Date | Event | Price | Note |
|---|---|---|---|
| Feb 23, 2026 | Listed for sale | $2,450,000 | |
| Feb 20, 2026 | Sold | $2,450,000 |
Next steps
Looking for something similar
433 431 E 19th is no longer on the market, but comparable homes come up in Costa Mesa regularly. We can tell you what this one actually closed at and set up alerts for listings that match it.
Selling near 433 431 E 19th
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The neighborhood
About Costa Mesa
Costa Mesa sits on the coastal tableland of central Orange County, bordered by Santa Ana, Huntington Beach, and Newport Beach, with its southern edge about a mile from the Pacific. South Coast Plaza, the Segerstrom Center for the Arts, the Orange County Fairgrounds, Orange Coast College, and the Eastside and Mesa Verde neighborhoods all fall within the Newport-Mesa Unified School District.
Costa Mesa home sales, past 12 months
- Homes sold
- 6
- Median price
- $1,885,000
- Median days on market
- 24
- Median per sq ft
- $901
Recorded MLS closings of duplexes, Sep 27, 2025 to Sep 27, 2026. Days on market run from listing to going under contract.
Recent Costa Mesa sales
| Address | Closed | Price | Sq ft | Per sq ft | Days on market |
|---|---|---|---|---|---|
| 635 Plumer | Aug 21, 2026 | $1,550,000 | 2,562 | $605 | 87 |
| 782 W 18th Street | Jul 30, 2026 | $1,600,000 | 1,940 | $825 | 24 |
| 270 Albert Place | Mar 5, 2026 | $3,350,000 | 3,000 | $1,117 | 144 |
| 433 431 E 19th | Feb 20, 2026 | $2,450,000 | 1,520 | $1,612 | 0 |
| 2195 American Avenue | Dec 4, 2025 | $1,670,000 | 2,191 | $762 | 0 |
Schools
Schools for 433 431 E 19th
As listed in the MLS record. Confirm attendance boundaries with the school district.
- Elementary
- Mariners
- Middle
- Ensign
- High
- Newport Harbor
- District
- Newport Mesa Unified
Living in Costa Mesa covers its schools, parks and beaches.
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Listed by Nick Dodd of Kase Real Estate
Listing information updated Jun 12, 2026 at 10:06 AM PT. Source: CRMLS.
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. The 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, the 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.