San Marcos, TX 78666 (Hays County)
About this property
Tucked away on a private one-acre lot in San Marcos, this beautifully updated retreat delivers the space, privacy, and resort-style outdoor living buyers are searching for. Surrounded by mature trees, modern horizontal wood privacy fencing, and tinted mirror-effect windows, this property offers a rare sense of seclusion while still feeling warm, functional, and inviting. The backyard is designed to impress with a sparkling pool featuring nighttime lighting, a waterfall, and built-in tanning ledge/sun shelf, plus a hot tub, sauna, extended covered patio, and plenty of room to entertain, relax, and enjoy Texas evenings. The property also includes multiple fruit trees, including nectarine, apple, grapefruit, peach, and a fruit cocktail tree with peaches, nectarines, and plums. Inside, the home stands out with coffered ceilings, crown molding, granite countertops, built-ins, fresh interior paint, and a hidden closet/storage area concealed behind custom shelving. The kitchen features detailed cabinetry, a 6-burner gas cooktop, pot filler, new refrigerator, and new dishwasher — perfect for everyday living and entertaining. The fully remodeled primary bathroom offers a standalone soaking tub, spacious walk-in shower, updated dual vanity, and redesigned primary closets. Additional improvements include a crushed granite driveway, gutters, carport, water softener, new hot water tank, new pool pump, garage bathroom remodel, laundry room dog wash station, updated fencing, and more. When buyers choose the seller’s preferred lender, qualified borrowers may receive up to a 1% lender credit based on loan amount & loan program. Credit may be applied toward buyer closing costs, an interest rate buydown, or prepaid HOA dues, subject to loan approval and lender guidelines. With acreage, privacy, major updates, custom details, fruit trees, resort-style amenities, and a potential lender incentive, this San Marcos property offers lifestyle and value buyers do not find every day.
Property details
Location
About the Area
4133 Knight St is located in San Marcos, Texas, in Hays County. Hays County is one of the fastest-growing counties in the United States, driven by the explosive growth of San Marcos and Kyle-Buda corridor connecting Austin and San Antonio. The county blends Hill Country character in its western reaches, Wimberley, Dripping Springs, Driftwood, with rapidly urbanizing communities along the I-35 corridor.
The Blanco River and Barton Creek headwaters flow through Hays County, carving spring-fed swimming holes beloved by generations of Texans. Jacob's Well, a natural cylindrical karstic spring, and the swimming holes of Blue Hole Regional Park draw visitors year-round. The Edwards Plateau escarpment creates dramatic topographic relief in the western half of the county.
San Marcos had an estimated population of 68,920 as of 2023. The 78666 zip code has a median household income of $55,478, a median home value of $271,900, and a median age of 27. The average household size is 2.35 people.
Texas State University anchors San Marcos, supporting a significant education and healthcare sector. The I-35 corridor has attracted major distribution centers and manufacturing. The western Hill Country communities of Wimberley and Dripping Springs have become destination wine, dining, and retreat markets commanding premium real estate prices.
Demographic data sourced from the U.S. Census Bureau, American Community Survey 5-Year Estimates (2023).
Listing information © 2026 Unlock MLS (ACTRIS). All data provided AS IS. Information is deemed reliable but not guaranteed. Listing courtesy of All City Real Estate Ltd. Co.