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$2,450,000
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Property Description
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.
Full Property Details
Full Property Details for 433 431 E 19th
General
- Sold For: $2,450,000
- Status: Closed
- Type: Duplex
- Source: MRMLS
- MLS ID: OC26039996
- Added to Site: 40 day(s) ago
Interior
- Rooms/Areas: Living Room, Main Floor Bedroom
- Fireplace(s): None
- Appliances: 6 Burner Stove, Dishwasher
- Flooring: Laminate
Rooms
Bathrooms
- Total Bathrooms: 2
- Full Bathrooms: 2
Bedrooms
- Total Bedrooms: 2
Other Rooms
- Laundry: In Garage
Additional Information
- Pool Description: None
- Spa Description: None
Parking
- Garage: Yes
- Garage Spaces: 2
- Carport Spaces: 2
- Parking: Carport, Garage Faces Rear
Location
- County: Orange
- Subdivision: Eastside Central (ECCM)
- Driving Directions: 55 S, L on 19th
- Direction Faces: West
School Information
- School District: Newport Mesa Unified
- Elementary School: MARINE
- Middle School: ENSIGN
- High School: NEWHAR
Community
- Community Features: Suburban
Heating & Cooling
- Cooling Type: None
- Heating Type: Central
Utilities
- Sewer: Public Sewer
- Water: Public
Structural Information
- Structure Type: Duplex
- Foundation: Raised
- Common Walls: No Common Walls
- Entry Location: 1
- Stories/Levels: One
- Stories Description: One
- Square Feet: 1,520
- Sq. Ft. Source: Public Records
- Year Built: 1951
- Year Built Source: Public Records
- Property Condition: Updated/Remodeled
Additional Structures
- Other Structures: Private Sauna
Lot Features
- Property View: None
- Lot Size (Acres): 0.19
- Lot Size Source: Assessor
- Lot Description: Front Yard, Landscaped
- Fencing (Description): See Remarks
Financial Considerations
- Price Per Sq. Ft.: $1,611.84
Disclosures and Reports
- Special Conditions: Standard
Listed by Kase Real Estate, Nick Dodd
Sold by Kastell Real Estate Group, Tina Horgan
Get Pre-Approved Today
Schools
Schools serving 433 431 E 19th
School District:Newport-Mesa Unified School District
| Name | Grades | Distance |
|---|---|---|
Mariners Elementary School 2100 Mariners Drive, Newport Beach, CA 92660 | K-6 | 0.3 mi |
Horace Ensign Intermediate School 2000 Cliff Drive, Newport Beach, CA 92663 | 7-8 | 1.3 mi |
Newport Harbor High School 600 Irvine Avenue, Newport Beach, CA 92663 | 9-12 | 1 mi |
Disclaimer:
School attendance boundaries provided by Pitney Bowes and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 433 431 E 19th
Date
Details
Price
Change
Source
2/20/2026
Sold
$2,450,000
—
MLS
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
433 431 E 19th, Costa Mesa, CA 92627 (MLS# OC26039996) is a Duplex property that was sold at $2,450,000 on February 20, 2026. Want to learn more about 433 431 E 19th? Do you have questions about finding other Duplex real estate for sale in Costa Mesa? You can browse all Costa Mesa real estate or contact a Coldwell Banker agent to request more information.

