Property at 21603 Thomas Cv, Lago Vista, Texas. 1.74 acres. Listed at $949,995 ($545,974 per acre). Property type: Residential. Status: Active. County: Travis County. Listed January 8, 2026. Days on market: 94. Bedrooms: 4. Bathrooms: 3. Living area: 2,445 sq ft. Year built: 2019. Listed by: RE/MAX Suburbia. Description: Welcome to 21603 Thomas Cove, 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!

ActiveMLS# ACT215748482
$949,995
1.74 Acres · Residential · $545,974/acre
21603 Thomas Cv
Lago Vista, TX 78645 (Travis County)
4
Bedrooms
3
Bathrooms
2,445
Sq Ft
2019
Year Built

About this property

Welcome to 21603 Thomas Cove, 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!

Property details

Property TypeResidential
Acreage1.74 acres
StatusActive
Days on Market94 days
ListedJanuary 8, 2026
CountyTravis
ZIP Code78645
Living Area2,445 sq ft
Price per Acre$545,974/acre
MLS NumberACT215748482
Listed ByRE/MAX Suburbia

Location

Area & Lifestyle

Listing information © 2026 Unlock MLS (ACTRIS). All data provided AS IS. Information is deemed reliable but not guaranteed. Listing courtesy of RE/MAX Suburbia.

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Barron Johnson
Broker Associate · Spyglass Realty