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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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1601 MINERAL SPRING RD, READING, PA 19602
$615,000
  • Beds
  • Baths
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1601 MINERAL SPRING RD, READING, PA 19602
$615,000
  • 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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218 N FRONT ST, READING, PA 19601
$239,000
  • 3 Beds
  • 1 | 1 Baths
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Latest News

Inventory rose to 743,006, new listings hit 77,919 and pending sales rose to 73,241 as rates neared 6.25%.

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Mortgage still repeats old habits, chasing top producers, designing for internal teams, and lagging AI, despite new data and tools.

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Keller Williams led 2025 with 837,323 sides and $383.086B, while Sotheby’s posted $140.316B volume, per RealTrends data.

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