Meet the Team

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Dedicated to an honest and friendly service

At Kerber Castle Realty Group, we’re more than just a real estate brokerage – we’re a team of dedicated experts committed to realizing your real estate aspirations. Whether you’re selling a luxury residence, a starter home, upgrading, or investing, the Kerber Castle Group is equipped with the tools to guide you. Our customer-centric approach prioritizes your needs, aiming to sell your home swiftly and at a premium or to assist you in acquiring the perfect property through expert negotiations. Each team member brings a unique skill set, enhancing overall client service and performance. Your real estate journey begins with us – let’s achieve your goals together.

About us

Our mission statement and our core values drive us to succeed by doing the best for our community, our customers, and our team members. We hope for the opportunity to help you accomplish your real estate goals.

Mission/Values — To enrich lives by providing differentiated real estate services. Conduct business in a manner that is legal, ethical, moral and healthy to every customer, client, vendor and competitor.

Meet The Team


Mary Ellen Richter

Mary Ellen Richter

Broker , Owner
John Kerber

John Kerber

Realtor®, Owner
Mary Lou Kerber

Mary Lou Kerber

Mentor
Sue Korkowski

Sue Korkowski

Realtor®
Fabrice Siellinou

Fabrice Siellinou

Realtor®
Dean Croat

Dean Croat

Realtor®
Don Voigt

Don Voigt

Broker Associate
Ryan Baker

Ryan Baker

Realtor®
Jinyi Wu

Jinyi Wu

Realtor®

What Our Clients Say

Discover stories of success and satisfaction

"Mary Ellen is an amazing realtor. She is so thoughtful and will help find exactly what youRead MoreRead Less
"Mary Ellen has been amazing to work with on our house hunt! I always feel like she has ourRead MoreRead Less
"Mary Ellen was great to work with. We contacted her very last minute for a showing and sheRead MoreRead Less
"Mary Ellen has been the best relator that we could have hoped for. She’s extremely helpfulRead MoreRead Less
"Mary Ellen did a great job finding me my first home. I told her the key things I wanted inRead MoreRead Less
"Mary Ellen was the best! She answered every question we came across in ways we would underRead MoreRead Less
"I cant thank Mary Ellen enough for all she did. She went above and beyond. Home buying andRead MoreRead Less
"I can’t think Mary Ellen enough for her help finding me a new home!!!! Being a past real Read MoreRead Less
"It was great working with Mary Ellen! She showed me numerous houses and was so patient. ShRead MoreRead Less
View All Testimonials

Latest Blog Posts


Real Estate Escalation Clause

Getting outbid on an offer is one of the most frustrating experiences for buyers. You don’t want to make a ridiculously high offer right away, but you also don’t want to be turned down as soon as…

The Importance Of Home Ownership

Homeownership is a major financial and personal accomplishment. With housing prices and other expenses skyrocketing, however, it can be difficult for younger humans to imagine themselves ever owning a…

Unpacking the Stigma: The Hidden Value in Homes That Are Back on the Market

  When scrolling through listings, prospective homebuyers often approach properties labeled as "back on the market" with a mix of curiosity and skepticism. This designation carries a stigm…