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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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355 N 8TH ST, READING, PA 19601
$275,000
  • Beds
  • Baths
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131 ELM ST, READING, PA 19601
$249,900
  • 7 Beds
  • 2 | 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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138 HEISTER RD, BIRDSBORO, PA 19508
$49,900
  • 3 Beds
  • 2 Baths
View Details

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Latest News

A group of employees at Summit Funding, most of them in back-office roles, are being laid off but may receive job offers from CrossCountry Mortgage as part of the companies’ pending M&A deal.

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HomeLight's Q2 2026 survey shows 33% of borrowers ask about down payment assistance and 45% ask about zero-down programs.

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Unused church property is emerging as a viable housing supply source as two slow-moving trends converge: declining church attendance and an escalating housing affordability crunch. Many congregations have surplus land bu...

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