A One-of-a-Kind Two-Level Penthouse in Portland's Historic West End Seller relocating - willing to consider closing concessions. An expansive, light-filled penthouse offering impressive scale on historic, tree-lined Deering Street in Portland's coveted West End. Occupying two floors of a beautifully restored 1867 Victorian, this residence pairs bold historic architecture with high-performance modern upgrades. Highlights include soaring vaulted ceilings, rich hardwoods, exposed brick details, and a sun-drenched, open upper-level flex loft--ideal for a primary suite, executive office, or creative studio. The Penthouse features 1,426 official finished sq ft with ~2,000 sq ft of total heated floor space, delivering a generous, open footprint bathed in natural light. High-efficiency updates include an on-demand natural gas boiler, maximum R-60 attic insulation, sound-dampening floor underlayment, brand-new safety systems, bonus eave storage, patio and a dedicated basement area. A distinct, sunlit residence just steps from the Western Promenade, local dining, the Arts District, Maine Med, and the waterfront. Resident street parking permitted, with nearby off-street garage options. Historic character. Modern efficiency. Exceptional West End value. Private showings available daily by appointment.