
Get to know The Sullivan Group | RE/MAX Advantage Plus
Get to know The Sullivan Group | RE/MAX Advantage Plus — your trusted real estate team serving New Prague, Montgomery, and communities across the South Metro area of Minnesota, including Scott, Rice, and Le Sueur Counties.
Whether you’re buying your first home or selling your forever one, our team of experienced Realtors — Pat Sullivan, Trevor Houn, Carol Dietz, Joe Halbmaier, and Sarah Krocak — is here to guide you every step of the way. With mo...
Specialties
14 Years of experienceBuyer's AgentListing AgentRelocation
This team offers Showcase to make listings stand out
helps homes sell faster and for more with increased exposure on Zillow, a virtual tour, and an interactive floor plan.

Team sales and listings (1,234)
This map and property list shows the most recent 100 sales and 100 listings
Sold
For sale
Sold (1,221)
- $247,500
- 2 bd
- 2 ba
- 1,836 sqft
218 6th St NE, Montgomery, MN 56069Sold 4 days agoBuyer
- $272,500
- 3 bd
- 2 ba
- 1,920 sqft
600 Fir Ave NE, Montgomery, MN 56069Sold 6 days agoBuyerSeller
- $285,000
- 3 bd
- 2 ba
- 1,644 sqft
503 2nd Ave NW, Lonsdale, MN 55046Sold 6 days agoBuyerSeller
- $249,000
- 3 bd
- 1 ba
- 1,318 sqft
305 Oak Ave SE, Montgomery, MN 56069Sold 6 days agoSeller
- $340,000
- 4 bd
- 4 ba
- 2,538 sqft
614 W Allyn St, Janesville, MN 56048Sold 10 days agoSeller
For sale (13)
- $255,000
- 2 bd
- 3 ba
- 1,475 sqft
1106 Crystal Pl W, Chaska, MN 55318House for SaleBreakfast bar peninsula
RE/MAX Advantage Plus - $334,900
- 4 bd
- 2 ba
- 1,991 sqft
225 20th St NW, Owatonna, MN 55060House for SaleGas fireplace
RE/MAX Advantage Plus - $299,900
- 3 bd
- 2 ba
- 1,742 sqft
417 Countryside Dr SE, Montgomery, MN 56069House for SaleHardwood floors
RE/MAX Advantage Plus - $399,900
- 5 bd
- 2 ba
- 2,224 sqft
236 Strese Ln, Apple Valley, MN 55124House for SaleFenced yard
RE/MAX Advantage Plus - $459,000
- 2 bd
- 3 ba
- 2,822 sqft
12999 Garvin Brook Ln, Apple Valley, MN 55124House for SaleGas fireplace
Team reviews (50)
Reviews represent all team members.
- 5.0
- 5/19/2026
- • lindahjawo
Bought and sold a Single Family home in 2026 in Owatonna, MN.
Review for: Carol DietzCarol did an amazing job helping me buy and sell my homes. I used her in the past too. Is very knowledgeable and puts my needs first explained everything clearly. Pointi...Carol did an amazing job helping me buy and sell my homes. I used her in the past too. Is very knowledgeable and puts my needs fir...5.0- 12/19/2025
- • Kara Kewatt
Bought and sold a Single Family home in 2025 in Mankato, MN.
Review for: Carol DietzWe could not have asked for a better realtor than Carol. She helped us sell our very first home and guided us every step of the way as we found and purchased our forever ...We could not have asked for a better realtor than Carol. She helped us sell our very first home and guided us every step of the wa... - 5.0
- 11/24/2025
- • Emilee Mallette
Bought a Single Family home in 2025 in Montgomery, MN.
Review for: Carol DietzWorking with Carol was an absolute pleasure! She is incredibly friendly, personable, and truly made us feel comfortable every step of the way. We always felt we could tru...Working with Carol was an absolute pleasure! She is incredibly friendly, personable, and truly made us feel comfortable every step...5.0- 9/17/2025
- • maggieo1220
Bought a Single Family home in 2025 in Richfield, MN.
Review for: Carol DietzCarol was great to work with. As a first time homebuyer, she helped me understand what to look for and how to narrow down options that fit my lifestyle. She was willing t...Carol was great to work with. As a first time homebuyer, she helped me understand what to look for and how to narrow down options ... - 5.0
- 10/18/2024
- • alyssadwyer526
Sold a Single Family home in 2024 in Savage, MN.
Review for: Carol DietzCarol was great, she and the Sullivan group were so helpful in navigating the selling process. I would highly recommend Carol and the Sullivan group. They were immediatel...Carol was great, she and the Sullivan group were so helpful in navigating the selling process. I would highly recommend Carol and ...5.0- 10/4/2024
- • jaimerockney
Bought a Condo home in 2024 in Prior lake, MN.
Review for: Gordy KlingbeilGordy was patient and attentive to what I was looking for. He found me a great deal and exactly what I was looking for. Such a nice guy! I would definitely recommend him....Gordy was patient and attentive to what I was looking for. He found me a great deal and exactly what I was looking for. Such a nic... - 5.0
- 10/3/2024
- • Ben Bartusek
Bought and sold a Single Family home in 2024 in Mankato, MN.
Review for: Trevor HounTrevor is a high character guy who is punctual, low pressure, and willing to go above and beyond to make the buying/selling process easy for you. I particularly appreciat...Trevor is a high character guy who is punctual, low pressure, and willing to go above and beyond to make the buying/selling proces...5.0- 10/2/2024
- • Yasir Hamad
Bought a Single Family home in 2024 in Maple grove, MN.
Review for: Joe HalbmaierI recently had the pleasure of working with Joe as my realtor, and I can't recommend him highly enough! From the very beginning, Joe demonstrated exceptional professional...I recently had the pleasure of working with Joe as my realtor, and I can't recommend him highly enough! From the very beginning, J... - 5.0
- 8/16/2024
- • brookeholmes1326
Bought and sold a Townhouse home in 2024 in Savage, MN.
Review for: The Sullivan Group REMAX Advantage PlusPat and Melissa did an amazing job! I will be recommending them to everyone I know and using them again in the future. They helped me look at many options until we found ...Pat and Melissa did an amazing job! I will be recommending them to everyone I know and using them again in the future. They helped...She fantastic always there when question came up. No words to describe how she helped us through the process. She helped us sell and buy. We used her last time to she the...She fantastic always there when question came up. No words to describe how she helped us through the process. She helped us sell a...








