Katie Darby is a top-producing Gilbert, Arizona Realtor with Realty ONE Group serving Gilbert, Mesa, Chandler, and communities throughout the Phoenix East Valley. Licensed since 2015, she has built her business on expert negotiation, strong contract knowledge, and a caring, client-first approach. Katie has closed more than $88.3 million in career sales across 198 transactions and has earned over 100 combined 5-star reviews across Google, Zillow, and Realtor.com.

Katie works with buyers and sellers across a wide range of needs, including first-time homebuyers, move-up clients, downsizers, and higher-end home sellers. Her typical price point is around $600,000, with experience serving clients up to $1.2 million. She is especially passionate about helping downsizers and clients navigating important life transitions with confidence and clarity.

She holds certifications as a Senior Real Estate Specialist, Accredited Buyer's Representative, Real Estate Negotiation Expert, Certified Negotiation Expert, and Veterans Specialist. With a bachelor's degree in finance and 15 years of experience owning and growing a design business, Katie brings a rare combination of financial insight, design perspective, and real estate expertise. Known for her deep market knowledge in Gilbert, Mesa, and Chandler, she has ranked in the top 1% for more than four years and in the top 5% over the past 10 years.