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John Mahon Jr

CASTO Residential Realty
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Recent Sales

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  • $486,000
    3 bd3 ba2,876 sqft Grove City, OH
    3 bd3 ba2,876 sqft
    Grove City, OH
    Sold 1 month ago
    Buyer
    1294 Carnoustie Cir, Grove City, OH, 43123
  • $425,000
    4 bd3 ba2,521 sqft Columbus, OH
    4 bd3 ba2,521 sqft
    Columbus, OH
    Sold 1 month ago
    Buyer
    1536 Horton Pl, Columbus, OH, 43228
  • $382,500
    2 bd2 ba1,275 sqft Columbus, OH
    2 bd2 ba1,275 sqft
    Columbus, OH
    Sold 3 months ago
    Seller
    367 Auden Ave APT 210, Columbus, OH, 43215
  • $600,000
    4 bd4 ba4,281 sqft Powell, OH
    4 bd4 ba4,281 sqft
    Powell, OH
    Sold 3 months ago
    Buyer
    7187 Eventrail Dr, Powell, OH, 43065
  • $850,000
    4 bd3 ba3,914 sqft Columbus, OH
    4 bd3 ba3,914 sqft
    Columbus, OH
    Sold 4 months ago
    Seller
    4170 Woodbridge Rd, Columbus, OH, 43220
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26
Sales last 12 months
256
Total sales
$20K-$1.5M
Price range
$456K
Average price

Get to know John Mahon Jr

Principal Agent/REALTOR®

Specialties
Buyer's AgentListing AgentRelocationCommercial PropertiesInvestment PropertiesLuxury Homes
13 Years of experience

John Mahon Jr's listings & sales (256)

For Sale
For Rent
Sold
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For Sale

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Sold (256)

Address
Sold date
Closing price
Represented
Flag Sale
12/8/2025$486,000Buyer
12/4/2025$425,000Buyer
10/10/2025$382,500Seller
10/7/2025$600,000Buyer
9/26/2025$850,000Seller

John Mahon Jr's reviews (50)

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  • 5.0
    • 7/18/2025
    • kcasto4

    Bought a Single Family home in 2025 in Bexley, OH.

    I could not have been more impressed with my experience purchasing a home, under the guidance of CASTO Realty. They were very attentive & patient throughout the process. ...
    I could not have been more impressed with my experience purchasing a home, under the guidance of CASTO Realty. They were very atte...
    5.0
    • 1/4/2025
    • bryson2727

    Bought a Single Family home in 2025 in North hilltop, Columbus, OH.

    This is my first time purchasing a home and John went above and beyond with absolutely everything he did to help me get my house. I would highly recommend him in his team...
    This is my first time purchasing a home and John went above and beyond with absolutely everything he did to help me get my house. ...
  • 5.0
    • 12/13/2024
    • zuser20171101191013618

    Bought a Single Family home in 2024 in Pickerington, OH.

    I had a fantastic experience working with John to buy my home. He took the time to understand my needs, provided valuable market insights, and was always quick to answer ...
    I had a fantastic experience working with John to buy my home. He took the time to understand my needs, provided valuable market i...
    5.0
    • 11/26/2024
    • Angel medina

    Bought a Single Family home in 2024 in South side can, Columbus, OH.

    John did an amazing job helping my fiance and I to buy our first property. The process was very smooth, practical, he worked with our schedule and at our convenience all ...
    John did an amazing job helping my fiance and I to buy our first property. The process was very smooth, practical, he worked with ...
  • 5.0
    • 6/1/2024
    • terryhammo

    Sold a home in 2024.

    John was VERY professional, knowledgeable, strategic, communicable, and easy to work with throughout the entire process of selling our downtown commercial property. He g...
    John was VERY professional, knowledgeable, strategic, communicable, and easy to work with throughout the entire process of selling...
    5.0
    • 5/25/2024
    • 675jmp

    Bought a Single Family home in 2024 in Marysville, OH.

    John was great to work with! He seemed to understand what we were looking for and answered all of our questions which we had a lot of as first time homebuyers. He consist...
    John was great to work with! He seemed to understand what we were looking for and answered all of our questions which we had a lot...
  • 5.0
    • 2/29/2024
    • Emma Ciesick

    Bought a home in 2024.

    John was the absolute best support system and leader when it came to the home-buying process. He was patient with us and worked to understand what we valued and were look...
    John was the absolute best support system and leader when it came to the home-buying process. He was patient with us and worked to...
    5.0
    • 2/8/2024
    • laura22wilson93

    Bought a Single Family home in 2024 in Summit view woods, Powell, OH.

    John was great through the whole process. He was very knowledgeable in many different markets of the Greater Columbus area. We found the perfect place to call home.
    John was great through the whole process. He was very knowledgeable in many different markets of the Greater Columbus area. We f...
  • 5.0
    • 1/26/2024
    • ZacKar

    Bought a Single Family home in 2024 in Summit view woods, Powell, OH.

    Extremely solid agent, very knowledgeable and courteous. We had a pleasant time partnering with John in the search of our new home. I plan on working with him again in t...
    Extremely solid agent, very knowledgeable and courteous. We had a pleasant time partnering with John in the search of our new home...
    5.0
    • 1/12/2024
    • zuser20141011043438143

    Bought a Single Family home in 2023 in Walnut heights, Columbus, OH.

    John was a great source of support in my recent home purchase. As a first time homebuyer he made himself available, provided great referrals for inspections, and was ther...
    John was a great source of support in my recent home purchase. As a first time homebuyer he made himself available, provided great...
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John Mahon Jr

CASTO Residential Realty
26sales last 12 months
256total sales
$20K-$1.5Mprice range
$456Kaverage price
13years of experience