East Contra Costa Real Estate. Strategic. Local. Results-Driven.

Kortney Maddock is a Realtor® with Corcoran Icon Properties, serving buyers and sellers throughout the East Bay.

She’s known for her attention to detail, strong communication, and dedication to guiding clients through every step of the process.

Backed by the trusted Corcoran brand and strong local market knowledge, she provides a level of service clients can rely on.

Selling

Strategic pricing, marketing, and negotiation designed to help East Contra Costa homeowners sell quickly and for the best possible price. Certified Real Estate Negotiator, Certified Expert Listing Agent.

Buying

Helping buyers find the right home across Brentwood, Oakley, and Discovery Bay while navigating the competitive East Bay market with confidence. Certified Buyers Agent, New Home Certified.

  • "an outstanding realtor who excels in attention to detail and customer service. Her meticulous approach ensures that every customer’s needs are not just met but exceeded. "

    - Client

  • "If you’re looking for a realtor who listens, cares, and delivers results, Real Estate with Kortney is the one to trust for a seamless and positive real estate experience."

    - Client

  • "Kortney represented me when I bought my first home and I couldn’t have asked for anyone better!"

    - Alexis King

  • "Working with Kortney was an absolute pleasure. She is incredibly sharp, an excellent negotiator, and always calm, patient, and kind throughout the process..."

    - Rita Caruso

Meet Kortney,

Kortney Maddock is a dedicated Realtor® proudly serving clients throughout Northern California, with a strong focus in East Contra Costa County. Known for her professionalism, integrity, and results-driven approach, Kortney has built her business on relationships, trust, and a genuine commitment to the people she serves.

Whether assisting a first-time buyer, marketing a luxury property, or guiding a client through their next chapter, Kortney’s mission remains the same: to provide exceptional service and help her clients achieve their real estate goals with confidence and success.

Let’s Work Together