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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 63 Million
Sold
Top 1% Berks
County
#1 agent at Iron
Valley Berks
Over 319 families helped
and counting
2619 HILL RD, READING, PA 19606
$879,900
  • Beds
  • Baths
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1601 MINERAL SPRING RD, READING, PA 19602
$595,000
  • Beds
  • Baths
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1601 MINERAL SPRING RD, READING, PA 19602
$595,000
  • 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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6 ALSACE CT, READING, PA 19606
$215,000
  • 3 Beds
  • 2 Baths
View Details

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Testimonials

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Latest News

Sellers pulled 5.8 percent of all U.S. home listings in April, tied for the highest share since March 2020, as buyers hold firm on price, and asking prices post their steepest annual drop since 2017.

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LotRoll, a Colorado startup selected for NAR's REACH 2026 accelerator, is building the missing data layer for manufactured home transactions.

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James Dwiggins and Keith Robinson sit down with Howard Hanna CEO Hoby Hanna for a candid conversation about listing data, MLSs, private listing networks and the future of IDX.

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