Jon Mumma


Jon Mumma50_300

Jon Mumma

Jon Mumma is a distinguished REALTOR® at Blackstream® Christie's International Real Estate and a pivotal member of the Mumma Property Partners team. With a robust 30-year background in healthcare finance and an esteemed position as a Director of Finance in a community hospital, Jon brings an unparalleled depth of financial expertise to the table, ensuring his clients navigate the complexities of real estate transactions with ease and confidence.

In collaboration with his son, Michael Mumma, Jon channels his profound understanding of the upstate South Carolina real estate market to deliver data-driven guidance. Having lived and worked in Greenville and the broader Upstate area for several years, Jon's deep-rooted connection to the community provides him with a unique perspective. This local insight, combined with his professional expertise, enables him to offer both newcomers and lifelong residents tailored advice that aligns with the ever-evolving landscape of the region.

Consistently prioritizing client satisfaction, Jon's meticulous attention to detail and unwavering dedication ensure transactions are seamless and beneficial for all parties involved. His contributions not only serve his clients but also reinforce the outstanding reputation of the Mumma Property Partners team in the Greenville and Upstate community.

Contact Information

Areas Of Service

Explore The Area


Mountains & Trails


Lake Front & Lake Side







"Michael Mumma and Cindy Hosea were beyond helpful in our home search. They spent time with us discussing what we were looking for in a house and, in the process, helped us refine our search. They answered all our questions promptly and thoroughly. Their response were honest and straightforward. They are both from the area and their local knowledge was very valuable. A bi
"I am so happy that I chose to work with Michael as my realtor for my home purchase. He is so knowledgeable about the market, and I felt comfortable relying on his expertise. As a first time home buyer, Michael walked me through every step of the process and was readily available and responsive to my many questions. He ensured that my needs and wants were taken care of thro
"Cindy Hosea is an amazing realtor. I have bought a house with her, as well as sold one a couple years later. She is very helpful and always responds quickly to any questions and concerns. Highly recommend !"
"Michael and his team are the absolute best! They're very experienced and provide great service. They also do a great job using social media to keep attracting attention to active listings. I highly recommend them if you're considering buying or selling!"
"Such an amazing experience! Mike and his team are so professional and helped us find the perfect house for our family! Thank you so much for all your help and hard work!"
"Michael is super knowledgeable and helpful! He’s very responsive and offers great advice! I think it’s rare to find a real estate agent with vast knowledge of construction as well! He was super helpful when walking through homes and helping us envision how we could change things to give us the home we wanted and realistically in the budget we had. He even recommended some
"Michael gets a perfect 5 stars in every possible category. By far the best experience I have ever had with a realtor. I previously had my home listed for almost 6 months with only one low offer. When Michael took over he took improved photos and proposed some minor/inexpensive changes for the home. We had multiple offers within 48hrs and it ended up being purchased above
"We purchased a home in November 2019 and loved our experience with Mumma/Blackstream! We specifically worked with Julie De Bruin and Cindy Hosea. They were both incredible in terms of communication, timeliness and ensuring we understood and felt comfortable throughout the entire process as first time home buyers. They listened to our wants, needs and budget and were very g
"Michael Mumma was excellent in helping us sell our house. He provided expertise to make the process as smooth as possible."
"Michael made this made the home buying process a great experience for my family. He persevered with us in our journey to find a new home that spanned multiple years and from existing home purchase to new build. Michael has excellent knowledge in the entire home buying/construction/financing process addition the real estate expertise. Highly recommended to anyone looking fo

Offered Services

Mumma Property Partners, this isn't just our job. It's our passion. We're dedicated to making your experience seamless and focusing on your objectives. Our focus is guiding you towards the best possible outcome, prioritizing excellence over our convenience.

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Jon Mumma