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John D Mahon

John D Mahon
Real Estate Agent (Management Level Salesperson)
Columbus OH

Management Level Salesperson (OH: 2015002818)

11 years experience

REALTOR® 2 Active Listings Serves Franklin County, OH
View on Realtor.com

Contact Information

Brokerage
Casto Residential Realty

Office Website
Office Address
349 S Drexel Ave
Columbus, OH  43209
(Franklin County)
Office Phone
614-744-2098
Office Fax
Mobile
614-354-1272
Email
jmah**@*********.com
Show Email for $5

Service Areas

Westerville: OH Harlem Township: OH Dublin: OH Columbus: OH Hilliard: OH Amlin: OH Riverlea: OH Worthington: OH Upper Arlington: OH Marble Cliff: OH Grandview Heights: OH Huber Ridge: OH New Albany: OH Gahanna: OH Blacklick: OH Reynoldsburg: OH Pataskala: OH Brice: OH Obetz: OH Blacklick Estates: OH Whitehall: OH Bexley: OH Valleyview: OH New Rome: OH Lincoln Village: OH Groveport: OH Canal Winchester: OH Darbydale: OH Grove City: OH Urbancrest: OH Minerva Park: OH

About John Mahon

John is dedicated to exploring innovative avenues that enable clients to discover their ideal homes and assist investors in identifying properties that align with their objectives.

With a deep understanding of the Columbus real estate market, John prioritizes the diverse needs of clients, ensuring they find the perfect home at the right price. For investors, [he/she/they] focuses on sourcing premier properties that cater to their unique lifestyles and aspirations.

Having grown up in a family immersed in real estate, John brings a lifetime of industry insight to [his/her/their] role as a professional Realtor®. [His/Her/Their] experience managing a family investment portfolio has equipped [him/her/them] with valuable skills that benefit homebuyers throughout Central Ohio.

John leverages [his/her/their] background in real estate investment to educate clients on home renovations and provide trusted vendor recommendations, ensuring they make informed decisions.

At the core of [his/her/their] work is a commitment to realizing clients' dreams of homeownership. John views being a Realtor® as more than just a profession; it is a way of life. Always accessible, [he/she/they] believes in maintaining open lines of communication, ensuring that clients feel supported throughout their journey. John takes pride in delivering results that meet and exceed client expectations.

Franklin County, OH Real Estate Market Analysis (Single Family Homes)

$399,022
Avg. Listing Price
From John's portfolio
3.3 / 2.4
Avg. Beds/Baths
Typical property size
1,913 sf
Avg. Square Footage
Interior living space
3242
Active Listings
Current inventory

Franklin County, Ohio represents one of the Midwest's most dynamic and rapidly evolving real estate markets, anchored by Columbus, the state capital and largest city. With a diverse economy spanning government, education, healthcare, and emerging tech sectors, the county has experienced remarkable growth over the past decade, transforming from a traditional industrial center into a modern metropolitan hub that attracts young professionals, families, and businesses alike.

The county's real estate landscape is supported by an impressive network of 9,136 total actively licensed agents, with all 9,136 agents maintaining email connectivity for modern business communications. This robust professional infrastructure reflects the market's sophistication and the high level of activity across residential, commercial, and investment properties throughout the region.

Major Franklin County, Ohio Real Estate Markets

Columbus dominates the county's real estate activity, but the market extends far beyond the city limits to include thriving suburban communities like Dublin, Westerville, Gahanna, and Grove City. Each area offers distinct characteristics, from Dublin's corporate corridor appeal to Westerville's family-friendly neighborhoods and Gahanna's blend of historic charm and modern development. The Short North district has emerged as a particularly hot market for urban living, while areas like German Village command premium prices for their historic character.

Beyond Columbus proper, smaller communities like Worthington, Bexley, and Grandview Heights have carved out their own market niches, often featuring higher-end properties and unique neighborhood identities. The county's proximity to major highways and the John Glenn Columbus International Airport has also spurred development in previously rural areas, creating new suburban markets that serve both local residents and the growing number of companies relocating to central Ohio.

Market Dynamics and Geographic Complexity

Franklin County's real estate market exhibits surprising resilience and growth patterns that often outperform national averages, driven by Ohio State University's massive presence, a stable government sector, and the influx of major corporations establishing regional headquarters. The market shows distinct seasonal patterns, with spring and summer months bringing intense competition for quality properties, while winter months often present opportunities for strategic buyers and investors.

What makes this market particularly complex is the stark variation in property values and market velocity across different zip codes and neighborhoods. Areas near the university experience constant rental demand and investment activity, while established suburbs see steady appreciation and family-focused transactions. The downtown core has witnessed a remarkable transformation with new condominium developments and converted historic properties creating entirely new market segments.

Why Businesses Need Franklin County, Ohio Agent Contact Data

Real estate service providers, mortgage companies, and property management firms require comprehensive agent contact data to effectively penetrate Franklin County's competitive market. With nearly 9,200 licensed professionals actively working in the area, having direct email access to this entire network enables targeted marketing campaigns for services like title insurance, home inspection, staging, and financial products that support real estate transactions.

The complete email connectivity of Franklin County's agent population presents unique opportunities for B2B companies to reach decision-makers who influence significant transaction volumes. Whether launching new technology platforms, offering continuing education services, or promoting investment opportunities, businesses can leverage this extensive professional network to build relationships, generate leads, and establish market presence in one of Ohio's most economically vibrant regions.

Current Property Listings

As of 2/17/2026, John Mahon has 2 properties for sale in Columbus and surrounding areas.

$384,900

Listed 2026-01-27

3802 Ravens Glen Dr
Columbus, OH  43221

Beds: 3.0
Baths: 2.5
Sq Ft: 1,938
Lot: 10,890 sf
Single Family Map
View Full Details

$312,500

Listed 2026-02-09

769 N High St Unit R301
Columbus, OH  43215

Beds: 2.0
Baths: 1.0
Sq Ft: 990
Lot: 9,583 sf
Condos Map
View Full Details

Current Property Rentals

John Mahon currently has no rental properties available in Columbus and surrounding areas. Check back later.