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Katherina Kostrzak-Adams

  • Selling Principal

According to Katherina, her success is a direct result of her strong business principles. “I pride myself in conducting my business with honesty, integrity and professionalism”. “The process of selling and buying a house is a big deal and its one that I want my clients to enjoy - which is why I make it my priority to ensure a pressure and stress-free environment for my clients”.

Katherina is the market leader in Kurrajong and specialises in the Hawkesbury in both acreage and residential. Katherina combines business experience in client services with client communication. Having worked for the Ray White family for 20 years, Katherina has gained recognition and has achieved the prestigious title of an Elite Performer for consecutive years 2014 - 2020 and 2021 - 2023 and Premier 2024, 2025 and 2026 whilst working in the Ray White Kurrajong office. In 2018 Katherina was also awarded Number 6 Selling Principal for NSW Metro Offices. Katherina works as a professional whose commitment ensures she receives a high level of repeat business. She is extremely attentive to her clients’ needs and always keeps them informed throughout the sale process.

Katherina and her husband Gavin Adams purchased the Ray White Kurrajong Office in 2016 and together have a great team. They work closely with buyers and utilise our extensive database to match buyers and properties resulting in shorter days on market. Katherina strives in enthusiasm from the commencement of the marketing campaign throughout to the negotiation and the sale process. She carefully supports the needs and expectation of her clients to ensure a smooth, seamless and successful process. Katherina is supported by her close knit team of experienced professionals, Katherina was honoured to receive the Principals' Office Recognition as Premier Business Leader 2024/2025. Ray White Kurrajong has been awarded Agency of the Year 2026 for Bowen Mountain and Kurrajong Heights. A true reflection of our local trust and dedication.

Awards

  • 2025/2026 - Premier Performer
  • 2024/2025 - Premier Business Leader of Ray White Kurrajong
  • 2024/2025 - Premier Performer
  • 2023/2024 - Premier Performer
  • 2023/2024 - Elite Performer
  • 2022/2023 - Elite Performer
  • 2022/2023 - Premier Performer
  • 2021/2022 - Elite Performer
  • 2021/2022 - Premier Performer
  • 2021 - 15 Year Service Award
  • 2020/2021 - Premier Performer
  • 2019/2020 - Elite Performer
  • 2019/2020 - Premier Performer
  • 2018/2019 - Top 10 Metro Principals Settled Commission
  • 2018/2019 - Elite Performer
  • 2018/2019 - Premier Performer
  • 2017/2018 - Top 10 Metro Principals - Settled Commission
  • 2017/2018 - Elite Performer
  • 2017/2018 - Premier Performer
  • 2017 - Elite Performer (AUS)
  • 2017 - Premier Member (AUS)
  • 2015/2016 - Top 10 Metro Salesperson - Settled Commission
  • 2016 - Elite Performer (AUS)
  • 2016 - Premier Member (AUS)
  • 2015 - Elite Performer (AUS)
  • 2014 - Premier Member
  • 2013 - Premier Member

Ray White Kurrajong

Ray White Kurrajong is an office that focuses on the quality of life and individual beauty that is unique to the Kurrajong area. Situated only one hour North West of Sydney’s CBD at the foothills of the Blue Mountains, Kurrajong is renowned for its breathtaking views, rich fertile countryside and pristine bushland. The Hawkesbury area is a wonderful place to live with excellent local schools, hospitals, shopping centres, sporting and cultural facilities and a blend of both residential and acreage properties.  A visit to Kurrajong with its’ country hospitality, historical buildings, unique call of the bellbirds, exhilarating scenery and the s…
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