Rare Opportunity: Iconic Tarrytown Office Building for Sale For the first time in nearly 40 years, 510 Hearn St is on the market. This ±8,887 SF, three-story office building offers a unique opportunity to own a prime piece of Austin real estate. Featuring finished office spaces across all floors, the building’s concrete subfloor and steel truss construction also provide a rock-solid foundation for a custom redesign to fit your vision. Situated on a flat ±0.389-acre lot just off Lake Austin Boulevard in the heart of Tarrytown, this location is second to none. Mopac is only a minute away, offering seamless access across the city. Daily conveniences and lifestyle amenities are right at your fingertips — from grocery runs to the H-E-B at Lake Austin Blvd and Exposition, to tee times at Lions Municipal Golf Course, or spontaneous afternoons on Lake Austin, with room to park your trailer right on-site. The property includes 28 parking spaces, with six covered beneath the cantilevered portion of the building and one ADA-compliant space already in place. 510 Hearn St blends unbeatable location, flexibility, and future potential — perfect for owner-users or investors ready to capitalize on one of Austin’s most desirable neighborhoods.