410 Hassenplug Rd, Millmont, PA 17845

Exceptionally rare opportunity to acquire a Cold War-era underground communications facility, originally constructed between 1967 and 1971 as part of AT&T’s Long Lines network and engineered for durability, redundancy, and long-term self-sufficiency. The property features an approximately 4,813-square-foot below-grade reinforced concrete bunker beneath a 987-square-foot, four-car concrete block garage. The bunker is configured with multiple secured rooms, hardened corridors, mechanical and utility areas, a generator room, decontamination room, full kitchen, and four bathrooms. An elevator connects the above-grade garage to the underground facility, while copper screening within several interior partitions provides additional electromagnetic attenuation. The facility underwent extensive renovations in the early 2000s to support its potential use as a secure data and communications center. These improvements included updates to the electrical distribution, mechanical systems, and...