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Meet John Gantkowski

John Gantkowski is a highly trusted Pennsylvania real estate expert who helps buyers and sellers navigate the market with confidence. Whether representing your interests in a suburban neighborhood or a fast-developing investment area, John provides data-driven pricing strategy, negotiation skills, and local insight to get results for you across PA.

Whether you are relocating, selling your home, or looking for a property, you will receive clear guidance, quick communication, and a proven process designed to maximize values in today’s Pennsylvania housing market.

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Why List with Me

Over 56 Million
Sold
Top 1% Berks
County
#1 agent at Iron
Valley Berks
282 Satisfied clients
and counting
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Latest News

For the industry's top-producing LOs in 2025, success ultimately hinged on relying on trusted partners, educating borrowers and investing in the quality of their service.

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Builders are reporting sales impacts from policy shifts as consumers become increasingly skeptical of traditional “dream home” marketing.

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Keller Williams names Jason Abrams chief industry and strategy officer to expand global learning and enterprise initiatives.

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