FREDERICK, Md., Aug. 5, 2025 /PRNewswire/ — Ruppert Properties, a Frederick-based real estate investment firm, today announced the sale of an industrial property located at 7201 McKinney Circle in Frederick, Maryland, to X-energy Reactor Company, LLC (“Xenergy”). The financial terms of the transaction were not disclosed.
Previously home to Aspen Publishers, the 90,000-square-foot industrial building sits on 7 acres along Route 85, offering immediate access to I-270 and I-70. The building is positioned within the I-270 corridor, with convenient proximity to both downtown Frederick and the greater Washington, D.C. metro area.
Ruppert Properties originally acquired the building in October 2023 and quickly repositioned the asset to meet the needs of a rapidly evolving tenant base. The sale to X-energy, a leading developer of advanced nuclear reactors and fuel technology, marks a key milestone in the firm’s ongoing strategy to support companies fueling innovation and growth in the region.
“This transaction reflects our ability to meet the real estate needs of companies participating in the exciting growth happening in Frederick, particularly within the tech and energy sectors,” said Julie Ruppert, President of Ruppert Properties. “It also demonstrates our disciplined investment approach – realizing value through well-timed execution and shifting our capital toward the next wave of opportunity.”
Once fully renovated, the property will host a state-of-the-art non-nuclear test & training facility for X-energy to validate key components of their Xe-100 advanced small modular reactor to ensure safe and reliable performance under realworld conditions before full-scale manufacturing and deployment. The facility will also provide training for Xe-100 operators and maintenance technicians using a state-of-the-art, full-scale plant control room simulator similar to the advanced training simulator currently operating at X-energy’s Plant Support Center, also in Frederick.
“This facility marks a critical step forward in our work to bring the next generation of nuclear technology to market, unlocking new capabilities that accelerate our commercial readiness, and stimulate innovation in the region,” said Steve Miller, Executive Vice President, Chief Administration & Governance Officer at X-energy. “X-energy was founded in Maryland, and we’re proud to continue growing here in close collaboration with local partners and leaders who share our bold vision for the future of American energy.”
Ruppert Properties was represented in the transaction by JLL’s Metro DC Industrial Team and X-energy was represented by Avison Young.
About Ruppert Properties
Ruppert Properties is a family and employee-owned company that invests, owns and manages flex, industrial and office properties throughout the Baltimore/Washington metropolitan region. Their industry experience and hands-on approach to development, construction, leasing and management allows them to competitively serve a wide variety of users. For more information, please visit www.ruppertproperties.com.
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SOURCE Ruppert Properties
