Located in Lancaster’s desirable West End, 409 Lancaster Avenue is a rare opportunity to acquire a true historic mill conversion with scale, character, and substantial upside. Originally part of the Keener Manufacturing Company, this all-brick industrial building was converted to residential use in the 80’s and retains the architectural DNA that creative buyers and investors dream of. Spanning approximately 3,500 square feet across 4 levels, the property is rich with exposed brick, heavy timber beams, custom woodwork, skylights, and dramatic interior volume—elements that are increasingly difficult and costly to replicate in new construction. A 3-story custom staircase is the architectural jewel at the center of the property - surrounded on all levels by hardwood floors, and mill-style details that anchor the home’s industrial revolution era aesthetic, providing a unique canvas for a high-end renovation. The layout offers flexibility for a variety of end uses, whether as a luxury single-family residence, live/work space, or creative retreat. The existing kitchen and bathrooms are functional but dated, presenting a clear opportunity to modernize and elevate finishes while preserving the historic character that defines the space. Central air and high-end Anderson Windows are already in place, and the bones of the property support a meaningful value-add renovation. An as-is appraisal of $550,000 is already in hand, with an estimated after-repair value north of $650,000 following a thoughtful rehab—making this an attractive opportunity for investors or owner-occupants with a renovation budget and vision. Outdoor spaces include a deck and patio, and the location offers walkable access to Lancaster’s vibrant West End amenities, including coffee shops, restaurants, markets, and cultural venues, all while maintaining easy access to downtown and major routes. Properties of this size, character, and historic significance rarely come to market in Lancaster. This is not a cosmetic fixer—it’s a chance to transform an authentic industrial sace into something truly special. Offered with room for significant upside. Bring your architect, contractor, and imagination. Property is being sold As-Is. Pre-listing home inspection and appraisal available.