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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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1122 FREDRICK BLVD, READING, PA 19605
$235,000
  • 3 Beds
  • 2 | 1 Baths
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19 BACK ST, MAHANOY CITY, PA 17948
$189,500
  • 3 Beds
  • 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
View Details

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Latest News

A Compass manager's response to Gary Keller: MLS exposure is not always optimal, and warns price cuts erode leverage.

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CoStar amended its Zillow lawsuit, alleging infringement of 53,000+ watermarked photos across Zillow and syndication partners.

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NEXA Lending is developing an MSR-linked income initiative for eligible originators, with rollout expected as early as July 2026.

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