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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

Better says Tinman makes underwriting accessible through ChatGPT, shifting decisions from LOS workflows into an AI layer for lenders.

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America’s largest homebuilders no longer just build subdivisions. Rather, they’re consolidating power. Scale is the new advantage, land is the new currency, and increasingly, ownership structure is the new danger. Fo...

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HousingWire’s The Gathering 2026 will run April 27-30 in Austin, bringing real estate, mortgage and homebuilding leaders into “the most powerful room in housing.”

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