Welcome to 21603 Thomas Cv, Lago Vista, Texas — where modern luxury meets limitless potential. Nestled just steps from Lake Travis, this custom 4-bedroom, 3-bath home sits on 1.74 acres of flat, cleared land, offering stunning Hill Country and Lake Travis views with rare R4 multifamily zoning for future expansion or investment. Step inside and experience the perfect blend of elegance and function — 12’ ceilings, floor-to-ceiling windows, and an open-concept layout that flows seamlessly into the covered outdoor living space with a full outdoor kitchen (BBQ, sink, refrigerator). The ideal place to relax, entertain, or add a pool to capture the Texas sunsets. Built with 2x6 energy-efficient construction and full spray-foam insulation, this home was designed for comfort and longevity. The versatile floor plan works beautifully for families, multigenerational living, or investors — with room to add a guest house, workshop, or additional duplexes/homes along the front of the property. Property Highlights: 4 Bedrooms | 3 Bathrooms | 1.74 Acres — Flat, Cleared, and Build-Ready, R4 Zoning: Multifamily, Duplexes, Townhomes, or Assisted Living Potential, Covered Patio with Outdoor Kitchen, Lake Travis & Hill Country Views, Full Spray-Foam Insulation | 2x6 Construction | Energy Efficient. OFFERING - Rate Buydown to 3.99% with Preferred Lender Bonus Opportunity: Seller also owns the adjacent 1.86-acre tract, allowing buyers to expand into a 3.6-acre estate or future development site — a rare chance to own one of the most flexible luxury properties near Lake Travis. Don’t wait — this property offers luxury, location, and investment potential in one. Schedule your private showing today before it’s gone!