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Explore Our Properties

A Client-First Approach

A Real Estate Team Built on Design, Construction, Lending, and Marketing Expertise

Very few real estate teams can offer expertise in interior design, residential construction, mortgage lending, marketing, and real estate under one roof. Mark and Kelli's combined experience allows them to evaluate homes from multiple perspectives: how they’re built, how they’re financed, how they’re presented to the market, and how they’ll function for the people who live in them. The result is a more informed, strategic approach that helps their clients make better decisions whether they’re buying, selling, building, or investing.

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Senior Realtor Associate

Meet Mark Osterman

Mark didn't stumble into real estate; he built his way into it. He began his career in the mortgage industry, giving him a ground-level understanding of how real estate transactions are financed and what actually makes a deal work from the financial side. From there, he moved to the builder side, spending years working directly with one of Oklahoma's top home builders, where he learned what goes into building a home: the decisions made before a buyer ever walks through the door, the construction behind the walls, and the details that determine long-term value. This foundation alone sets him apart from most agents, who only ever see a transaction from one side.
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Senior Realtor Associate

Meet Kelli Osterman

Kelli didn't enter real estate just to sell homes. She came into it by first understanding them from the inside out. With a Bachelor of Interior Design from the University of Central Oklahoma in Edmond, Oklahoma, she learned how people actually experience a space and how layout, flow, and function shape daily life. She began her career working for one of the top builders in the OKC metro, then got her real estate license and went on to work with other new construction builders throughout her career. That experience gave her a working understanding of what actually goes into building a home and the mechanics behind the walls and the details most buyers never think to ask about. She's been on every side of the deal and one thing has never changed: she doesn't just see what a home is, she sees what it could be for the person living in it.

Our Impact

By the Numbers

20

YEARS OF EXPERIENCE

$442K

AVERAGE PRICE

5★

REVIEWS ON ZILLOW

Collection of Homes

Browse Our Portfolio

  • 9600 Silver Lake Drive For Sale

    $545,000

    9600 Silver Lake Drive, Oklahoma City, OK 73162

    Courtesy of The Agency

    • 5 Beds
    • 4 Baths
    • 3,060 Sq.Ft.
  • 15215 Coral Creek Lane For Sale

    $512,500

    15215 Coral Creek Lane, Oklahoma City, OK 73165

    Courtesy of The Agency

    • 4 Beds
    • 3 Baths
    • 2,783 Sq.Ft.
  • 8517 Stark Street For Sale

    $332,000

    8517 Stark Street, Edmond, OK 73007

    Courtesy of The Agency

    • 3 Beds
    • 2 Baths
    • 1,566 Sq.Ft.
  • 11365 Leslie Beachler Lane Pending

    $269,000

    11365 Leslie Beachler Lane, Oklahoma City, OK 73130

    Courtesy of The Agency

    • 3 Beds
    • 2 Baths
    • 1,879 Sq.Ft.
  • 313 E Platt Drive For Sale

    $262,500

    313 E Platt Drive, Yukon, OK 73099

    Courtesy of The Agency

    • 4 Beds
    • 3 Baths
    • 1,778 Sq.Ft.
View All
Trusted by Clients

Success Stories

"Kelli was an excellent realtor. The thing that stood out is her ability to walk me through the home-buying experience. She has many business friends with different specialties that she referred me to. Other things that stood out were the ability to quickly assess negative things in a home, family-oriented, and always professional. This is my first house. My daughter and I are very happy with it."
"Kelli was an excellent realtor. The thing that stood out is her ability to walk me through the home-buying experience. She has many business friends with different specialties that she referred me to. Other things that stood out were the ability to quickly assess negative things in a home, family-oriented, and always professional. This is my first house. My daughter and I are very happy with it."
Christopher H.
"Kelli sold our house a few months ago. I was immediately impressed by her organization and attention to detail. At our initial meeting, she brought lots of information and data that helped us with decisions on pricing and when and how to market our house. She was in constant communication with us throughout the selling process and was always available to answer our questions. I highly recommend her, and will definitely contact her again if I plan to buy or sell a home."
"Kelli sold our house a few months ago. I was immediately impressed by her organization and attention to detail. At our initial meeting, she brought lots of information and data that helped us with decisions on pricing and when and how to market our house. She was in constant communication with us throughout the selling process and was always available to answer our questions. I highly recommend her, and will definitely contact her again if I plan to buy or sell a home."
Hugh E.
"Kelli was such a pleasure to work with. We really loved how she walked us through every step of the process of buying a home and educated us along the way. We know that she has other clients, but throughout our process, we always felt like her number one priority. We valued her professionalism and personal approach to helping us get our dream home. Not only did Kelli go above and beyond for us, but we trust that she has our best interests at heart."
"Kelli was such a pleasure to work with. We really loved how she walked us through every step of the process of buying a home and educated us along the way. We know that she has other clients, but throughout our process, we always felt like her number one priority. We valued her professionalism and personal approach to helping us get our dream home. Not only did Kelli go above and beyond for us, but we trust that she has our best interests at heart."
Kaylie T.
"This couple was absolutely amazing! They helped my boyfriend and me find the perfect home. They helped us look for issues we were concerned about in houses, and they were very friendly! I almost want to buy another house to go house hunting with them again! Too bad the house we found is perfect."
"This couple was absolutely amazing! They helped my boyfriend and me find the perfect home. They helped us look for issues we were concerned about in houses, and they were very friendly! I almost want to buy another house to go house hunting with them again! Too bad the house we found is perfect."
Buyer
"Mark did an excellent job helping us pinpoint a residence in the area we were interested in. He was very helpful during the negotiation process and finally with the closing on our house. All in all, an excellent job. Thanks, Mark!"
"Mark did an excellent job helping us pinpoint a residence in the area we were interested in. He was very helpful during the negotiation process and finally with the closing on our house. All in all, an excellent job. Thanks, Mark!"
Buyer

Discover the Area

Explore Communities

  • Oklahoma City
  • Edmond
  • Arcadia
  • Deer Creek
  • Jones
  • Nichols Hills
  • Yukon
  • Mustang
  • Guthrie
  • Norman
  • Moore

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