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John Gantkowski

(He/Him/His)
Iron Valley Real Estate of Berks
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Recent Sales

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  • $649,900
    4 bd4 ba3,998 sqft Mertztown, PA
    4 bd4 ba3,998 sqft
    Mertztown, PA
    Sold 5 days ago
    Buyer
    70 S Park Ave, Mertztown, PA, 19539
  • $375,000
    3 bd2 ba1,890 sqft Friedensburg, PA
    3 bd2 ba1,890 sqft
    Friedensburg, PA
    Sold 15 days ago
    Buyer
    1386 Long Run Rd, Friedensburg, PA, 17972
  • $220,000
    5 bd2 ba2,412 sqft Reading, PA
    5 bd2 ba2,412 sqft
    Reading, PA
    Sold 1 month ago
    Seller
    125 W Windsor St, Reading, PA, 19601
  • $245,000
    5 bd1 ba2,016 sqft Columbia, PA
    5 bd1 ba2,016 sqft
    Columbia, PA
    Sold 1 month ago
    Buyer
    305 N 7th St, Columbia, PA, 17512
  • $50,000
    4 bd2 ba2,180 sqft Shenandoah, PA
    4 bd2 ba2,180 sqft
    Shenandoah, PA
    Sold 2 months ago
    Buyer
    225-227 Furnace St, Shenandoah, PA, 17976
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42
Sales last 12 months
266
Total sales
$31K-$825K
Price range
$244K
Average price

Get to know John Gantkowski

Realtor

Specialties
Buyer's AgentListing AgentRelocationFirst Time HomebuyersInvestment PropertiesLuxury HomesNew Construction
20 Years of experience

John Gantkowski's listings & sales (273)

For Sale
For Rent
Sold
This map can show the most recent 100 listings and 100 sales. Review all listings and sales below.

For Sale (7)

Sold (266)

Address
Sold date
Closing price
Represented
Flag Sale
1/9/2026$649,900Buyer
12/30/2025$375,000Buyer
12/11/2025$220,000Seller
12/5/2025$245,000Buyer
11/28/2025$50,000Buyer

John Gantkowski's reviews (58)

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  • 5.0
    • 9/21/2024
    • milkmanjohnny

    Bought a Single Family home in 2024 in Temple, PA.

    He is everything you need to close. From location school districts to how you can save and buy. I knew nothing about homes after seeing homes with John I wanted better fo...
    He is everything you need to close. From location school districts to how you can save and buy. I knew nothing about homes after s...
    5.0
    • 8/12/2024
    • ladominicanprincess1990

    Bought a Single Family home in 2024 in Whitfield, Wyomissing, PA.

    John is the greatest realtor I ever met. He helped us out on every step of the process. He was very informative and listened to every request I had. He was always availab...
    John is the greatest realtor I ever met. He helped us out on every step of the process. He was very informative and listened to ev...
  • 5.0
    • 8/9/2024
    • zuser20170809183052884

    Sold a home in 2024.

    John was very helpful and responsive throughout the process. While we were out of town on vacation, John sold our home and went above and beyond by taking videos of a t...
    John was very helpful and responsive throughout the process. While we were out of town on vacation, John sold our home and went ...
    5.0
    • 4/4/2024
    • emirabrokencyde

    Bought a Single Family home in 2024 in Minersville, PA.

    John was outstanding in our opinion, it was our first experience looking for a home and he answered any questions we had or pointed us in the right direction to get them ...
    John was outstanding in our opinion, it was our first experience looking for a home and he answered any questions we had or pointe...
  • 5.0
    • 2/6/2023
    • Erik Salgado

    Bought a Single Family home in 2023 in Devers area, York, PA.

    John was great working with. Our approval limited the market we could shop in. He stuck by us every step of the way, went the distance to meet us with a smile at every h...
    John was great working with. Our approval limited the market we could shop in. He stuck by us every step of the way, went the dis...
    5.0
    • 12/29/2022
    • TazaNelson19666

    Bought a Townhouse home in 2022 in Ephrata, PA.

    I Will put this in terms anyone can understand. John was fantastic ??!! He helped 24 /7 with anything we needed!! He stuck by us in Negotiations and pushed above and be...
    I Will put this in terms anyone can understand. John was fantastic ??!! He helped 24 /7 with anything we needed!! He stuck by us...
  • 5.0
    • 12/17/2022
    • Elvis amparo

    Sold a Townhouse home in 2022 in Reading, PA.

    Did a great work!! On negotiating a fair home price I am grateful great real estate agent I recommend Mr.John Gantkowski amazing communication skills
    Did a great work!! On negotiating a fair home price I am grateful great real estate agent I recommend Mr.John Gantkowski amazing c...
    5.0
    • 11/30/2022
    • Mercedes Rosario

    Bought a Single Family home in 2022 in Reading, PA.

    John did amazing Job after dealing with 2 other realtors that didn’t have the expertise and knowledge that John has Im very glad to have him with to help me finally find ...
    John did amazing Job after dealing with 2 other realtors that didn’t have the expertise and knowledge that John has Im very glad t...
  • 5.0
    • 10/18/2022
    • awilkins1969

    Bought a Single Family home in 2022 in Hayti, Coatesville, PA.

    I highly recommend John for anyone who's in need of a real estate agent. John will be there with you from beginning to end to help you find the home of your dreams. John ...
    I highly recommend John for anyone who's in need of a real estate agent. John will be there with you from beginning to end to help...
    5.0
    • 9/21/2022
    • abuchter11

    Bought a Single Family home in 2022 in Mohnton, PA.

    I am so grateful for all of John’s help and hard work with getting me my first home! John is very easy to get ahold of, reliable, and kind. It is evident that he loves hi...
    I am so grateful for all of John’s help and hard work with getting me my first home! John is very easy to get ahold of, reliable, ...
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John Gantkowski

(He/Him/His)
Iron Valley Real Estate of Berks
42sales last 12 months
266total sales
$31K-$825Kprice range
$244Kaverage price
20years of experience