Phone: 210-930-4440
Fax: 210-979-8113
Cortney Gill is the Founder and CEO of GSG Property Management, a San AntonioÂbased residential management company overseeing more than 350 doors across Central Texas. With over 15 years of real estate experience, she combines operational excellence with a deep commitment to owner, tenant, and team success.
Cortney is known for building systems that scale  empowering her team to deliver exceptional service while maintaining compliance and transparency in every transaction. Her focus on process, accountability, and people-first leadership has positioned GSG as one of San AntonioÂs most trusted and growth-oriented management firms.
Beyond her brokerage, Cortney is a passionate mentor and speaker. Through her brand, ÂControlling Your Chaos, she inspires and equips women in real estate and entrepreneurship to streamline operations, build confidence, and create sustainable success without burnout.
An active member of NARPM, BNI, and the Texas Realtors, Cortney continues to elevate the professional standards of property management in Texas  championing education, collaboration, and ethical leadership across the industry.
National Association of Residential Property Managers
