Prime Development Opportunity in the Heart of Old City 43 N 3rd Street | Philadelphia, PA 19106 Zoned CMX-3 | 21,090 Total SF | 6,700 SF Lot Located at the center of one of Philadelphia’s most iconic and walkable neighborhoods, 43 North 3rd Street offers developers, investors, and visionaries a rare canvas with unmatched upside. This property includes approximately 21,090 square feet of buildable space, including a 6,700-square-foot lot, 23 feet of frontage, and a 6,700 SF basement—all zoned CMX-3, allowing for a wide range of uses including residential apartments, retail, hospitality, or short-term rentals. Backed up to North American Street and positioned just 61 feet north of Filbert Street, the site is surrounded by top-tier amenities and upcoming infrastructure investments. You’re steps from the $329 million Penn’s Landing waterfront park (Spring 2028) and the Market Street redesign (April 2026)—both set to redefine Philadelphia’s riverfront experience. With river views from the rooftop, consistent pedestrian foot traffic, and proximity to landmarks like Elfreth’s Alley, Independence Hall, and Spruce Street Harbor Park, this is a site that blends Old City's charm with future-facing potential. Highlights: Lot Size: 6,700 SF Improvement Area: Approx. 21,090 SF (including 6,700 SF basement) ? Frontage: 23 FT on N 3rd St Zoning: CMX-3 (Community Commercial Mixed-Use) High foot traffic corridor in Old City Development-ready: Mixed-use, multifamily, hospitality, or retail Views of the Ben Franklin Bridge & Delaware River This is more than a property—it’s a front-row seat to one of Philadelphia’s most transformative neighborhood evolutions. Contact us today to schedule a tour or request full development plans.