John McMahon

Kilner Group Realty

Looking to sell your property, buy a new home, or just need some expert real estate advice?

About
John McMahon is a seasoned commercial real estate associate broker who also leads a dynamic team of residential agents. Known for his deep commitment to client success and smart investing, John brings energy, integrity, and strategy to every deal. He is passionate about helping people make informed real estate decisions that build long-term value. Beyond the business, John is a devoted family man—proud husband to Lynne and father of six. He recharges through fitness, exploring the outdoors, and serving his community through volunteer work at his local church. For John, real estate is about more than transactions—it is about trust, growth, and impact.
Highlights *
75
Recent sales
$25K-$510K
Price range
$285K
Median price
5
Years experience

Recent Listings & Sales

Address Sold Date Sold Price Represented
8615 W 1 Mile Rd
Denver Twp, MI 49421
4/17/2026 $235,000 Buyer
2625 7th St NW
Grand Rapids, MI 49504
1/9/2026 $245,000 Buyer
2625 7Th St
Grand Rapids, MI 49504
1/9/2026 $245,000 Buyer
591 Fairway Dr
Grand Rapids, MI 49534
11/17/2025 $280,000 Seller
1209 California St
Grand Rapids, MI 49504
11/14/2025 $235,000 Seller

Transaction History *

Seller Deals

Total Deals
42
Total Value
$12,153,200
Median Sale Price
$282,500
Price Range
$25K - $480K

Buyer Deals

Total Deals
33
Total Value
$9,459,400
Median Sale Price
$300,000
Price Range
$90K - $510K

Sales Volume Timeline

John McMahon’s production volume for the past 3 year period Q2 ’23 Q2 2023: $802K Q3 ’23 Q3 2023: $663K Q4 ’23 Q4 2023: $930K Q1 ’24 Q1 2024: $1.6M Q2 ’24 Q2 2024: $980K Q3 ’24 Q3 2024: $4M Q4 ’24 Q4 2024: $1.1M Q1 ’25 Q1 2025: $489K Q2 ’25 Q2 2025: $4.3M Q3 ’25 Q3 2025: $4.6M Q4 ’25 Q4 2025: $1.5M Q1 ’26 Q1 2026: $490K Q2 ’26 Q2 2026: $235K Q2 2023 Total Sales $802K Q3 2023 Total Sales $663K Q4 2023 Total Sales $930K Q1 2024 Total Sales $1.6M Q2 2024 Total Sales $980K Q3 2024 Total Sales $4M Q4 2024 Total Sales $1.1M Q1 2025 Total Sales $489K Q2 2025 Total Sales $4.3M Q3 2025 Total Sales $4.6M Q4 2025 Total Sales $1.5M Q1 2026 Total Sales $490K Q2 2026 (Apr 1-May 20) Total Sales $235K

Professional Info

Brokerage

Kilner Group Realty
429 Turner Ave NW
Grand Rapids, MI 49504

Licensed

Licensed REALTOR®
MI 6501385872

Specialties

  • Flipping & rehab
  • Investment & property management

Hobbies

  • Community Activities
  • Family
  • Fitness & Exercise
  • Health & Wellness
  • Outdoor Activities
  • Volunteering

Education

Cardinal Stritch University
Master’s Degree, Strategic Business Administration
2014 - 2016

Top Cities *

Grand Rapids

  • 31 sales past 3 years
  • 41 days on market
  • $285K median price

Sparta

  • 6 sales past 3 years
  • 283 days on market
  • $165K median price

Greenville

  • 4 sales past 3 years
  • 228 days on market
  • $310K median price

* Sales data is calculated based on transaction information available to Agent Pronto at the time of publishing and may not accurately reflect all transactions for a given agent.