
Get to know Michael Ertmer
Broker | REALTOR® | ABR
Modern Marketing. Proven Results. Unmatched Local Insight
Meet Mike Ertmer
Real Estate Broker | Better Homes and Gardens Real Estate Special Properties
Mike’s journey into real estate started long before he sold his first home. With a background in the travel industry dating back to 2004, sales and client relationships have always been at the core of his career. After years in travel marketing and technology—living in cities l...
Michael Ertmer's listings & sales (115)
For Sale (2)
Address | Bed/Bath | Listing price |
|---|---|---|
![]() 1568 S Oakwood Rd Oshkosh, WI 54904
| 2 Bed, 2 Bath | $259,000 |
![]() W3385 & W3380 Orchard Ave Green Lake, WI 54941
| 4 Bed, 2 Bath | $1,989,000 |
Sold (113)
Address | Sold date | Closing price | Represented | Flag Sale |
|---|---|---|---|---|
| 10/30/2025 | $297,500 | Seller | ||
| 10/30/2025 | $150,000 | Buyer | ||
| 10/30/2025 | $150,000 | Buyer | ||
| 10/16/2025 | $400,000 | Buyer | ||
| 10/16/2025 | $349,000 | Seller |
Michael Ertmer's reviews (16)
Write a review- Highly likely to recommend||5.05.0
12/10/2023 - jladwig6
Bought a home in 2023.Local knowledgeProcess expertiseResponsivenessNegotiation skillsWe worked with Mike to purchase a home in Ripon in the fall of 2023. Throughout the process, Mike was available at any time to answer questions, provide insight, schedule tours, and use his resources to help us in our decisions. Mike was always pro... - Highly likely to recommend||5.05.0
6/15/2023 - zuser20161106185816548
Bought a Single Family home in 2023 in Ripon, WI.Local knowledgeProcess expertiseResponsivenessNegotiation skillsMike Ertmer is a top-notch realtor! He is professional, honest, responsive, and very knowledgeable about the Green Lake market. Mike helped us craft a winning offer in a multiple bid situation, which is no easy task. He then went above and beyond, gi... - Highly likely to recommend||5.05.0
2/16/2023 - Vanderspoolm
Bought a Single Family home in 2023 in Green lake, WI.Local knowledgeProcess expertiseResponsivenessNegotiation skillsMike was a pleasure working with. His expertise in the market area was extremely helpful and made closing the deal very easy. My Son and I both enjoyed that Mike shared in our excitement in buying this joint venture property. He was friendly and r... - Highly likely to recommend||5.05.0
2/10/2023 - greenlakema
Sold a Single Family home in 2023 in Green lake, WI.Local knowledgeProcess expertiseResponsivenessNegotiation skillsMike was wonderful to work with! He knows the local market and was able to give us good advice, using comps, as to pricing. He has always been available to answer our questions, either in person, by phone or email. His knowledge of the title company... - Highly likely to recommend||5.05.0
10/26/2022 - castleberry dds
Sold a Vacant Land home in 2022 in Green lake, WI.Local knowledgeProcess expertiseResponsivenessNegotiation skillsMike did a great job from start to finish. We never had to follow up on anything because he was on top of all the details. I would never hesitate to use them in the future.









