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John Mahon-Jr

CASTO Residential Realty
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Recent Sales

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  • $825,000
    4 bd3 ba2,767 sqft Columbus, OH
    4 bd3 ba2,767 sqft
    Columbus, OH
    Sold 6 days ago
    BuyerSeller
    1955 Rosebery Dr, Columbus, OH, 43220
  • $416,000
    3 bd3 ba1,940 sqft Columbus, OH
    3 bd3 ba1,940 sqft
    Columbus, OH
    Sold 23 days ago
    Buyer
    3454 Jillmarie Ct, Columbus, OH, 43221
  • $446,000
    3 bd3 ba1,728 sqft Columbus, OH
    3 bd3 ba1,728 sqft
    Columbus, OH
    Sold 1 month ago
    Buyer
    481 Theori Ave, Columbus, OH, 43230
  • $347,000
    4 bd3 ba1,512 sqft Carroll, OH
    4 bd3 ba1,512 sqft
    Carroll, OH
    Sold 2 months ago
    Buyer
    6103 Pickerington Rd NW, Carroll, OH, 43112
  • $405,000
    3 bd3 ba1,938 sqft Columbus, OH
    3 bd3 ba1,938 sqft
    Columbus, OH
    Sold 3 months ago
    BuyerSeller
    3802 Ravens Glen Dr, Columbus, OH, 43221
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23
Sales last 12 months
264
Total sales
$150K-$1.5M
Price range
$479K
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 sales and listings (272)

This map and property list shows the most recent 100 sales and 100 listings

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For sale

Sold (264)

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For sale (8)

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  • Casto Residential Realty
  • Casto Residential Realty
  • Casto Residential Realty
  • Casto Residential Realty
  • Casto Residential Realty
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John Mahon-Jr's reviews (51)

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  • 5.0
    • 2/6/2026
    • Elizabeth Sailor

    Bought a Condo home in 2026 in Tuttle west, Dublin, OH.

    John was great to work with and made buying my first home a really smooth experience. He was knowledgeable, responsive, and always happy to explain things along the way. ...
    John was great to work with and made buying my first home a really smooth experience. He was knowledgeable, responsive, and always...
    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...
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John Mahon-Jr

CASTO Residential Realty
23sales last 12 months
264total sales
$150K-$1.5Mprice range
$479Kaverage price
13years of experience