First time on the market! Fully occupied fourplex in central Antioch, available individually or together with 123 W 10th St as a ten-unit multifamily portfolio. Built in 1950, 215 W 3rd St offers four two-bedroom, two-bath units across 4,032 square feet on a 7,500 square foot lot, with carport parking and individually metered gas and electric. Each unit also has a private deck with waterfront views. Current scheduled rent totals $6,184 per month, and current net operating income of $36,981 grows to a pro forma $49,335 as leases reach market rents near $2,000 per unit. Located on W 3rd Street in Antioch's original central grid, within walking distance of the civic core and the San Joaquin River waterfront, with A Street and L Street connecting to Highway 4 and the Antioch BART station nearby. Trust sale. Tenant occupied, please do not disturb. Rent roll, 2025 operating statement, and inspection reports available on request. Listed by HAYLEN Group. Buyer to verify all information, including square footage, permits, and potential uses.