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

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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.

A waterfront neighborhood during sunset with houses, palm trees, and boats docked at the marina under a colorful sky with pink and blue hues.

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.

Sell your home
Seal with a house roof icon and text that reads 'Certified Real Estate Negotiator' and 'CREN' in the middle.
Badge with blue border and ribbon, featuring mountains and the text 'CELA' and 'Certified Expert Listing Agent'.
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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.

Find a new home
Seal for Certified Buyers Agent (CBA) with a green circular design and a key icon in the center.
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  • "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,

A woman with long, blonde wavy hair and light makeup smiling while sitting on a white couch with green pillows in a modern living room, wearing a white blouse and black pants, with gold jewelry.

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.

Read Kortney's story
Blue and white certification badge reading "Certified Expert Listing Agent" with a mountain graphic and the acronym "CELA" in the center.
A circular badge with a red and white design that features a house roof icon, the text 'CERTIFIED REAL ESTATE NEGOTIATOR,' and the acronym 'CREN' in the center.
Green circular badge with a house icon and a key, labeled 'Certified Buyers Agent CBA'.
Badge with a house icon, the text 'New Home Certified' and 'Professional' with stars.
Text stating 'Featured in the December 2024 Edition of The Wall Street Journal' on a gray background.
Aerial view of a river with boats, houses on the left, and fields on the right, with a boat speeding through the water on the right side under a blue sky with scattered clouds.
Discovery Bay
Aerial view of a suburban neighborhood with houses, a pond, and green fields with hills and mountains in the background.
Brentwood
Residential neighborhood with modern houses, manicured lawns, small trees, and street lamps at sunset.
Oakley

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