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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
$585,000
  • Beds
  • Baths
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1601 MINERAL SPRING RD, READING, PA 19602
$585,000
  • Beds
  • Baths
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0 WOODLAND DR, LEESPORT, PA 19533
$499,000
  • Beds
  • Baths
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108 HOLLOW RD, RINGTOWN, PA 17967
$350,000
  • 3 Beds
  • 2 Baths
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355 N 8TH ST, READING, PA 19601
$230,000
  • Beds
  • Baths
View Details

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Latest News

Stop worrying about interest rate fluctuations, and start worrying about how you can serve the client in front of you, Century 21 New Millennium's Kyle Crawford writes.

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What happens when our trusted professionals fail us and erode confidence by steering us in the wrong direction?

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High-flood-risk U.S. counties lost 63,357 more residents than they gained in 2025, nearly double the prior year's net outflow, as low-risk counties posted their biggest population gains since 2018, according to a new Red...

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