CASTO Residential Realty
Share
Buying or Selling, we are a top producing Ohio Realtor® team supported by the power of CASTO.
A locally owned and operated multi-disciplined real estate organization since 1926. CASTO Residential Realty achieves success by putting our clients and their needs first. Our agents are experts in their community and are committed to making the process of buying or selling your home as easy as possible. CASTO has been part of the Central Ohio community for nearly 95 years and we look forward to helping you find your way home for many years to come.
03/30/2026
CLOSED // Even in the hottest markets our buyers are able to win their dream homes under the guidance of our expert agents!
Contact John Mahon if you’re looking to buy or sell!
John Mahon, REALTOR
•(614) 354-1272
____________
03/20/2026
CLOSED // Another gorgeous Grove City home purchased with the help of Agent John Mahon !
Contact John with all your Real Estate needs:
John Mahon, REALTOR
•(614) 354-1272
____________
11/17/2025
CLOSED // Agent John Mahon helped his buyers purchase this stunning home in the beautiful Scioto Reserve Community! ⛳️
___________
Contact John for any Real Estate needs:
•[email protected]
•(614) 354-1272
____________
11/06/2025
SOLD // In contract after only 10 days on market this gorgeous condo was listed by Agent John Mahon.
____________
Contact John for any Real Estate needs:
•[email protected]
•(614) 354-1272
____________
09/23/2025
CONTINGENT // Agent John Mahon is representing the Seller’s on this chic & timeless, 4 bed residence. A stunningly well kept, move-in ready home in highly sought after Upper Arlington. Contingent after only 3 days on market!
____________
Contact John for any Real Estate needs:
•[email protected]
•(614) 354-1272
____________
08/18/2025
CLOSED // Yes, we do both sides of residential sales but we don’t stop there! This gorgeous commercial property will have a new life with the Buyer’s after quick negotiations & a smooth close.
_____________________________
07/15/2025
CLOSED // Agent John Mahon represented the Buyers on this exquisitely updated Merion Village home. Multiple offers the first day on market but John’s experience and knowledge resulted in a win for our Buyers!
____________
Contact John for any Real Estate needs:
•[email protected]
•(614) 354-1272
____________
05/06/2025
CLOSED // Agent Maia Edwards assisted her Buyer in the purchase of this gorgeous historical renovation - low maintenance and full of character.
______________________
Are you looking to buy, sell, or invest? Reach out and start the conversation today!
•[email protected]
______________________
#614
04/08/2025
CLOSED // Agent Maia Edwards assisted her Buyer in the purchase of this Harrison West beauty - under list price!!
______________________
Are you looking to buy, sell, or invest? Reach out and start the conversation today!
•[email protected]
______________________
#614
04/08/2025
🏡 CLOSED🏡
__________________
Agent Maia Edwards helped her Buyer close on the purchase of this Harrison West beauty - under list price!
__________________
Are you looking to buy, sell, or invest? Reach out to start the conversation!
•[email protected]
__________________
#614
02/20/2025
SOLD // This beautiful Dublin home listed by our agent, John Mahon, was in contract after only twelve hours on the market!! He secured an offer with no contingencies and a non-refundable deposit so his clients could have a stress free closing!
____________
Contact John for any Real Estate needs:
•[email protected]
•(614) 354-1272
____________
Click here to claim your Sponsored Listing.
Our Story
CASTO Residential Realty is a small, but dedicated group of Realtors® that have a strong passion for helping our exclusive network of resident family and friends find a house they can make into a “home”.
CASTO began building houses over 90 years ago and is now a successful commercial developer across Central Ohio. As part of the CASTO family we have an ingrained expertise and large scale insight on all things housing. We understand the construction industry, the local neighborhoods, the desirable schools, and even where traffic is a reason not to buy.
While the brokerage is boutique in size, it has the unique advantage of being backed by the power of the CASTO name and its’ relationships.
Category
Telephone
Website
Address
Opening Hours
| Monday | 9am - 5pm |
| Tuesday | 9am - 5pm |
| Wednesday | 9am - 5pm |
| Thursday | 9am - 5pm |
| Friday | 9am - 5pm |