21509 Monarch Pass
About this property
A Hill Country retreat hidden in plain sight. Nestled on nearly 5 secluded acres, 21509 Monarch Pass offers the rare opportunity to enjoy privacy, space, and natural beauty while remaining just 7 minutes from I-10, La Cantera, and The Rim. Tucked away on a scenic loop with minimal through traffic, this property feels worlds away from the city. Mature trees, peaceful surroundings, and breathtaking views create a tranquil setting, yet everyday conveniences-including H-E-B at the bottom of the hill-are just moments away. The property features a one-year-old roof and an approximately 264-square-foot detached, fully climate-controlled office/flex space, perfect for a home office, studio, gym, hobby room, or whatever best fits your lifestyle. Recent improvements include an electric automatic entry gate with solar power and battery backup, a water softener system, and a reverse osmosis water filtration system. These are just a few of the many updates made to the property (please see Associated Documents for a complete list of improvements). Whether you're dreaming of a private retreat, a place to spread out, or simply a peaceful setting, this property is ready for its next chapter. Experience the best of both worlds-peaceful Hill Country living with all the conveniences of city life just minutes away.
Property details
Location
About the Area
21509 Monarch Pass is located in San Antonio, Texas, in Bexar County.
San Antonio had an estimated population of 1,458,954 as of 2023. The 78255 zip code has a median household income of $151,673, a median home value of $490,600, and a median age of 40.6. The average household size is 2.89 people.
Demographic data sourced from the U.S. Census Bureau, American Community Survey 5-Year Estimates (2023).
Listing information © 2026 LERA MLS. All data provided AS IS. Information is deemed reliable but not guaranteed. Listing courtesy of Hayley Shalley, Kerri Real Estate LLC.