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Team

Mark Duffy Homes Group

Keller Williams Select Realty

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

About
With over 20 years of Real Estate experience we bring knowledge and experience to all transactions. My team responds quickly to your the needs of both buyers and sellers in order to ensure a smooth transaction.
Two Years Triple Gold Sales Award
Two Years Double Gold Sales Award
4 Years Agent Leadership Council
2019 & 2020 Super Real Estate Agent
Highlights *
74
Recent sales
$132K - $1.08M
Price range
$362K
Median price
22
Years experience

Recent Listings & Sales

Address Sold Date Sold Price Represented
418 17th Ave N
South Saint Paul, MN 55075
10/14/2026 $280,000 Buyer
132 Richmond St E
South Saint Paul, MN 55075
9/15/2026 $255,000 Buyer
1320 Honeysuckle Ln SE
Cambridge, MN 55008
8/10/2026 $326,375 Buyer
26585 Evergreen Trl
Elko New Market, MN 55020
7/31/2026 $431,500 Buyer
26585 Evergreen Trl
Elko New Market, MN 55020
7/16/2026 $431,500 Buyer

Transaction History *

Seller Deals

Total Deals
41
Total Value
$15,492,950
Median Sale Price
$355,000
Price Range
$132K - $1.03M

Buyer Deals

Total Deals
33
Total Value
$14,665,845
Median Sale Price
$400,000
Price Range
$185K - $1.08M

Sales Volume Timeline

Mark Duffy Homes Group’s production volume for the past 3 year period Q4 ’23 Q4 2023 (Nov 1–Dec 31, 2023) — Partial quarter: $1.3M Q1 ’24 Q1 2024 (Jan 1–Mar 31, 2024): $2.7M Q2 ’24 Q2 2024 (Apr 1–Jun 30, 2024): $1.2M Q3 ’24 Q3 2024 (Jul 1–Sep 30, 2024): $3.6M Q4 ’24 Q4 2024 (Oct 1–Dec 31, 2024): $2.6M Q1 ’25 Q1 2025 (Jan 1–Mar 31, 2025): $3.2M Q2 ’25 Q2 2025 (Apr 1–Jun 30, 2025): $4.6M Q3 ’25 Q3 2025 (Jul 1–Sep 30, 2025): $3.1M Q4 ’25 Q4 2025 (Oct 1–Dec 31, 2025): $3.5M Q1 ’26 Q1 2026 (Jan 1–Mar 31, 2026): $827K Q2 ’26 Q2 2026 (Apr 1–Jun 30, 2026): $1.6M Q3 ’26 Q3 2026 (Jul 1–Sep 30, 2026): $1.8M Q4 ’26 Q4 2026 (Oct 1–Nov 2, 2026) — Partial quarter: $280K Q4 2023 Nov 1–Dec 31, 2023 Partial quarter Total Sales $1.3M Q1 2024 Total Sales $2.7M Q2 2024 Total Sales $1.2M Q3 2024 Total Sales $3.6M Q4 2024 Total Sales $2.6M Q1 2025 Total Sales $3.2M Q2 2025 Total Sales $4.6M Q3 2025 Total Sales $3.1M Q4 2025 Total Sales $3.5M Q1 2026 Total Sales $827K Q2 2026 Total Sales $1.6M Q3 2026 Total Sales $1.8M Q4 2026 Oct 1–Nov 2, 2026 Partial quarter Total Sales $280K

Lighter, dashed segments indicate partial quarters. Totals include only dates within the displayed period.

Ratings & Reviews
5.0 (5)

ggehrman
Dec 27, 2016

Mark made everytging easy and he always had my best interests in mind. He was very accommodating and always available. I was never worried about missing a deadline and he was extremely knowledgeable. I felt taken care of at all times. Mark was always professional and I completely recommend his services.

Source: Zillow

peggynavoa
Jul 16, 2014

Mark was very helpful in helping us sell our home. He gave us great advice as to how to show the home to sell it fast. We sold it in under 6 months and it was a smooth closing, we were very happy to have him as our realtor and would highly recommend him in the future.Sincerely,
Peggy Navoa

Source: Zillow

JimMcKeig
May 13, 2014

My wife and I really enjoyed working with Mark. He was easy to work with during this really busy time of our life. Mark sold both of our townhomes ( one in three days and the other in 3 weeks). Also, he was insturmental in the purchase of our new home. I would strongly recommend Mark.
Best Regards,
Jim M.

Source: Zillow

slinssen
May 12, 2014

I have used Mark as my realtor on two seperate occasions. Both times I used Mark, he was able to help me find exactly what I was looking for. When I sold my townhome in March, it sold in 3 days. One of the things I most liked about working with Mark was his availablity and responsiveness. Mark always got back to me within 15 minutes whenever I would leave him a message. Mark is very knowledgeable about the housing market. Mark made the hassle factor of buying and selling houses very minimal. Mark is a great realtor and I have recommended him to family friends who were also very impressed by him.

Source: Zillow

user6307166
Aug 30, 2013

Mark is personable and easy to work with. He was always quick to respond to emails, calls, and requests for showings. We would definitely contact Mark again for any subsequent real estate needs!
Brian and Carol Lenn

Source: Zillow

Professional Info

Brokerage

Keller Williams Select Realty
14665 Galaxie Ave 350
Apple Valley, MN 55124

Licensed

Licensed Real Estate Agent
MN 20435859
WI 59614-94

Specialties

  • First-time buyers
  • Luxury properties

Top Cities *

Cottage Grove

  • 21 sales past 3 years
  • 39 days on market
  • $410K median price

Inver Grove Heights

  • 9 sales past 3 years
  • 119 days on market
  • $400K median price

South Saint Paul

  • 8 sales past 3 years
  • 49 days on market
  • $332K 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.