East Cobb · Marietta · North Atlanta

Let's find your way home.

I'm Mary McMath, a Marietta native and REALTOR® with Keller Williams Realty Atlanta North. For 24 years I've helped buyers and sellers across East Cobb and North Atlanta, and I'd love to help you next.

Keller Williams Realty Atlanta NorthKeller Williams Realty Atlanta North · (770) 509-0700

Mary McMath, REALTOR® with Keller Williams Realty Atlanta North
650+homes sold
2002licensed since
5.0 ★25 Google reviews
Negotiationexpert

Information Deemed Reliable But Not Guaranteed. If you believe any FMLS Listing contains material that infringes your copyrighted work, please click here to review our DMCA policy and learn how to submit a takedown request. © FMLS

Listing content is believed accurate but not guaranteed. Copyright 2026 First MLS

See something inaccurate? Let us know.

Mary McMath smiling, seated on a sofa by a fireplace

Meet Mary

Your East Cobb neighbor and negotiator

Born and raised in Marietta, Georgia, Mary grew up in a real estate family where negotiating well and looking out for clients' best interests were regular dinner-table topics. She earned her real estate license in 2002 while at the University of Georgia, started working with buyers and sellers, and fell in love with the business herself.

Today Mary has helped individuals and families buy and sell more than 650 homes across East Cobb, Marietta and North Atlanta. She specializes in luxury homes and is known as a negotiation expert. Her goal is simple: make every client a client for life.

  • Top 1% Real Estate Agent Nationwide · RealTrends Verified, 2026
  • Bulldog 100: fastest-growing businesses led by UGA alumni · 2026
  • #2 Top Individual Agent · Keller Williams Realty Atlanta North, 2025
  • #4 Luxury Individual Agent · Keller Williams Realty Atlanta North, 2025

Take it from Mary

Straight answers about buying, selling and living around Atlanta.

Read the blog

Kind words from clients

We are so happy with our experience working with Mary! Finding the right house wasn't easy, and after looking at several properties, we finally found the one that was right for us. Mary was incredibly patient, understanding, and supportive throughout the entire process. She always took the time to listen to our needs, answered all our questions, and went above and beyond to help us find our new home. We truly appreciate her dedication, hard work, and personal touch. We couldn't be happier with our new home and are grateful to have had Mary by our side. We would highly recommend her to anyone looking for a realtor who genuinely cares about her clients!
Tomas B. · on Google
We had the best experience working with Mary!! She did an amazing job helping us to find our first home. She is very knowledgeable and so easy to work with!
Taylor W. · on Google
Not only was Mary professional, efficient, and skillful, she was also so much fun to work with. She found our first home with dedication and pride and I can’t recommend her enough!
David H. · on Google

More reviews

Interested? Let's Talk!

By sending, you agree to our Terms of Use and Privacy Policy.