LEGALLY REGISTERED 5-PLEX ASSET WITH FANTASTIC INVESTMENT FLEXIBILITY! Welcome to 13 McMaster Ave, a purpose-built multi-residential property situated on a massive 63' x 190' lot with premium medium-density RM/RL2 zoning steps from the Welland Canal. This structurally efficient building features an ideal layout of two spacious, 2-bedroom units per floor, offering an excellent mix of baseline income stability alongside flexible buyer possession options. The ultimate equity play sits in the full, unfinished walk-up basement with separate exterior access; it is fully grandfathered and taxed by MPAC as a 5-plex, featuring intact plumbing rough-ins where the 5th unit previously sat. Rebuild the 5th suite to instantly scale your asset valuation while completely avoiding costly municipal development fees. Property is being sold in as-is condition, allowing you to execute your own custom updates, capitalize on realistic market rent targets of $1,800/month, and maximize your forced-equity margins in a top Niagara rental pocket. Perfect for an investor looking for a value-add project with incredible structural bones or a buyer looking for a multi-generational setup.