Huge Duplex with one vacant unit! 3239-3241 Clement Street presents a compelling multifamily investment opportunity in San Francisco. Offered at $1,825,000, this two-unit property delivers immediate income stability alongside a clear path to enhanced returns through a vacant unit positioned for market-rate lease-up. Built in 1927 and zoned RH-2, the property is approximately 3,400 square feet on a 0.06-acre lot, featuring classic wood and stucco construction. The unit mix consists of two spacious 2-bedroom, 2-bathroom flats with an additional office, refinished hardwood floors, decorative fireplaces, formal dining areas, sun rooms, and generous living spaces that reflect the architectural character of classic San Francisco multifamily product. The property also includes a private rear yard, garage parking, and on-site laundry. One vacant unit is currently positioned at market rent, offering day-one upside for an owner-user or investor to occupy, re-tenant, or reposition while the remaining occupied unit maintains stable income. Each unit is separately metered for gas and electricity with individual water heaters; ownership is responsible only for water, sewer, garbage, and common area utilities.