664 Linden Ave, E Pittsburgh, PA 15112

This versatile 40,000 square foot Office/Flex building offers a rare opportunity to acquire a well-maintained facility previously occupied as the regional headquarters for Siemens. Designed to support a mix of office, light manufacturing, research & development, data, assembly, and storage, the property can accomodate a wide range of users seeking flexibility & scalability. The building is ADA compliant and features an elevator, allowing for seamless accessibility across floors. The building features an Elevator to all floors & is ADA compliant, allowing for seamless accessibility. Heavy power users will appreciate the 3-phase Electrical Service, while two strategically located Monorail I-beam crane systems - with Crane included in sale - add significant value for light industrial or manufacturing operations. Roof installed in 2025. The property also benefits from an on-site parking lot that can accomodate approximately 50+ cars, supplemented by street parking & a large nearby paid parking lot. Strategically located next to RIDC Keystone Industrial Park, making it well-positioned for companies seeking proximity to established industrial users and transportation infrastructure. Beyond its current commercial utility, the property also offers strong redevelopment and adaptive reuse potential, including multifamily or mixed-use residential conversion, subject to zoning and approvals. The building's scale, structural integrity, elevator access, parking availability, transportation infrastructure, and surrounding employment centers create a compelling foundation for apartments (if permitted). Whether positioned as Office/Flex, next-generation R&D & technology hub, a Data and innovation facility, or a multifamily redevelopment, this property offers a great opportunity for investors and Owner-Occupants alike!