Treehouse Apartments for rent in San Marcos, TX on ForRent.com: (866) 894-0122 - Availability, pricing and special promotions subject to change daily. Treehouse Apartments is the closest community to Texas State University and offers spacious floorplans, central heat air conditioning, full appliances including dishwashers and microwaves. We are right across the street and less than a 2 minute walk to campus. This is the best location in San Marcos, Texas for students to call home and is a community offering newly upgraded apartment homes with beautiful wood style flooring. Enjoy your lifestyle while sleeping in, eating at local restaurants, hanging out at a nearby coffee shop, or playing pool at the local pub! All of this and more are within walking distance to your new apartment home. - 800 N.