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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
2619 HILL RD, READING, PA 19606
$879,900
  • Beds
  • Baths
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0 WOODLAND DR, LEESPORT, PA 19533
$499,000
  • Beds
  • Baths
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355 N 8TH ST, READING, PA 19601
$275,000
  • Beds
  • Baths
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3307 GLEN HOLLOW DR, DOVER, PA 17315
$215,000
  • 3 Beds
  • 1 | 1 Baths
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160 E SPRUCE ST, RINGTOWN, PA 17967
$96,000
  • Beds
  • Baths
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1910 SCHUBERT RD #19, BETHEL, PA 19507
$89,000
  • 2 Beds
  • 2 Baths
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Latest News

An upcoming NRMLA webinar will dive into reverse mortgage servicing, set-asides, and due-and-payable options, including nonrecourse rules.

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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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