433 431 E 19th, Costa Mesa, CA 92627
Duplex
Sold February 2026
Listing Agent: Nick Dodd (DRE #02091136) · Listing Office: Kase Real Estate · Contact: 619-988-8010 · Bought with: Tina Horgan · Kastell Real Estate Group · MLS #OC26039996 · Source: CRMLS
About this duplex
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.
Listing description from the February 2026 sale, as reported to CRMLS.
Sale history