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.
Features of 433 431 E 19th
| MLS® # | OC26039996 |
|---|---|
| Price | $2,450,000 |
| Sold Price | $2,450,000 |
| Bedrooms | 2 |
| Bathrooms | 2.00 |
| Full Baths | 2 |
| Square Footage | 1,520 |
| Lot Sqft | 8,276 |
| Acres | 0.19 |
| Year Built | 1951 |
| Type | Residential |
| Sub-Type | Duplex |
| Status | Closed |
| # Of Units | 2 |
Community Information
| Address | 433 431 E 19th |
|---|---|
| Area | C5 - East Costa Mesa |
| Subdivision | Eastside Central (ECCM) |
| City | Costa Mesa |
| County | Orange |
| Zip Code | 92627 |
Amenities
| Utilities | Natural Gas Available, Cable Available |
|---|---|
| Parking Spaces | 8 |
| Parking | Carport, Garage Faces Rear |
| # of Garages | 2 |
| Garages | Carport, Garage Faces Rear |
| View | None |
| Is Waterfront | No |
| Has Pool | No |
| Pool | None |
Interior
| Interior | Laminate |
|---|---|
| Interior Features | Bedroom on Main Level |
| Appliances | Dishwasher, SixBurnerStove |
| Heating | Central |
| Cooling | None |
| Has Basement | No |
| Fireplace | No |
| Fireplaces | None |
| # of Stories | 1 |
| Stories | One |
Exterior
| Lot Description | Front Yard, Landscaped |
|---|---|
| Foundation | Raised |
School Information
| District | Newport Mesa Unified |
|---|---|
| Elementary | Mariners |
| Middle | Ensign |
| High | Newport Harbor |
Additional Information
| Date Listed | January 17th, 2026 |
|---|---|
| Date Sold | February 20th, 2026 |
| Foreclosure | No |
| Short Sale | No |
| RE / Bank Owned | No |
Listing Details
| Agent | Nick Dodd |
|---|---|
| Office | Kase Real Estate |
