Mavromatis Properties Inc.
ST LOUIS REAL ESTATE
Buying a home is complicated and high-stakes. We help people understand the process, avoid mistakes, and make confident decisions.
What We Can do
How We Can Help

Buyers
- St. Louis Home Buying Process
- First-Time Home Buyer Guide
- Mortgage & Down Payment Tips
- St. Louis Neighborhood Guides
- Home Search & Making an Offer
- Buyer Questions & Expert Advice

Sellers
- St. Louis Home Selling Process
- Home Value & Pricing Strategies
- Preparing Your Home for Sale
- Marketing Your Home Effectively
- Negotiating the Best Offer
- Closing Your Home Sale

Relocating to St. Louis
- Moving to St. Louis Guide
- Best St. Louis Neighborhoods
- Schools & Community Resources
- Cost of Living & Utilities
- Commuting Around St. Louis
- New Resident Tips & Resources
Mavromatis Properties Inc.
Meet Our Team

Kathy Mavromatis
Founder
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Kathy Mavromatis is a seasoned real estate professional, serving as a Broker Partner at Mavromatis Properties Inc., a company she co-founded with her husband, Pete, in 1978. With over four decades of experience in the real estate industry, Kathy has built a reputation for her expertise and commitment to her clients. She holds affiliations with esteemed organizations such as the National Association of Realtors (NAR), Missouri Association of Realtors (MAR), and St. Louis Realtors (SLR). Her dedication to her profession is further evidenced by her Certified Residential Specialist designation, a mark of excellence in the field. Her extensive experience and dedication make her a trusted name in real estate in the St. Louis area.

Pete Mavromatis
Founder
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A lifelong St. Louisan, Pete Mavromatis has built his career on integrity, dedication, and service. Raised in South St. Louis, Pete attended Roosevelt High School before earning a Bachelor of Science in Engineering from Washington University in St. Louis.
Following graduation, Pete proudly served his country as a Lieutenant in the U.S. Army Transportation Corps during the Vietnam War, gaining valuable leadership and organizational skills that would shape his professional career.
Pete spent more than 30 years with Southwestern Bell, later AT&T, where he advanced to the position of Data Systems Manager before retiring at the age of 51.
While still building his corporate career, Pete earned his Missouri Real Estate Salesperson License in 1978 and later obtained his Missouri Broker License. Together with his wife, Kathy, he founded Mavromatis Properties Inc., now known as MPISTL. For decades, Pete has helped buyers and sellers throughout the St. Louis area navigate the real estate process with honesty, professionalism, and personalized service.
Today, Pete continues to bring his extensive knowledge, engineering background, business experience, and decades of real estate expertise to every client relationship. His commitment to exceptional service and lasting client relationships has made him a trusted resource for generations of St. Louis families.

Donna Weinsting
Agent
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Donna Weinsting has carved a remarkable career in real estate spanning over four decades, establishing herself as a dedicated and successful Realtor since 1977. Her expertise has been honed through years of experience as a Sales Manager for new home sales, collaborating with some of the top builders in the St. Louis metro area. Since affiliating with Mavromatis Properties Inc. as a Sales Associate in 2014, Donna has emerged as a Top Producer, adeptly assisting both buyers and sellers. Her clients consistently commend her for her diligence, genuine concern for their needs, and her steadfast ability to make significant financial commitments as smooth as possible. Despite the increasing challenges in the real estate market, Donna has stayed ahead of the curve through ongoing training and industry seminars. Her commitment to professional development is further exemplified by her continued membership in the National Association of Realtors (NAR), the Missouri Association of Realtors (MAR), and the St. Louis Association of Realtors (SLAR).

Christine Carter
Agent
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Christine was licenced in 2024…bio coming!

Dan Gregory
Agent
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Dan, our newest agent, licensed in 2026…bio coming!
Clients Feedback
What Our Clients Say About Us



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