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FOR SALE
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$25,000

Reduced $30K

21100 Santa Carlo Ave, Lago Vista, TX 78645

Est. Mortgage $207/mo

0.36

acres

Unimproved Land
0.36 Acre Lot
$69,099/acre
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OVERVIEW

About this lot

Discover the perfect canvas for your custom dream home at 21100 Santa Carlo Avenue in Lago Vista! This gently sloping 0.36-acre lot is nestled just 1,260 feet from the sparkling waters of Lake Travis (when at full pool) and a quick 5-minute golf cart ride (2 miles) from the Lago Vista Golf Course clubhouse. Imagine enjoying panoramic lake views and breathtaking sunsets from a thoughtfully designed, modern build—especially if you include a rooftop deck. While most of the lot sits in the 500-year floodplain, and approximately 30% in the 100-year floodplain toward the back, this unique location offers a tranquil hillside setting and a rare blend of close water access and scenic vistas. Take advantage of the convenience and lifestyle that Lago Vista is famous for: boating, fishing, golf, and an ever-growing community. Seize this opportunity to build in a coveted area that combines natural beauty with modern amenities. Don’t wait—contact us today and start envisioning your future home by the lake! (Buyer to verify floodplain status, building requirements, and all information provided.)

Listings checked every few minutes. MLS# 8885827 was Last Updated: 03-16-2026.

Listed by eXp Realty, LLC (888) 519-7431

Listing courtesy of Unlock MLS as distributed by MLS Grid. The information being provided is for the consumer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information deemed reliable but is not guaranteed accurate by MLS Grid or Unlock MLS.

More homes for sale in Highland Lake Estates

See all homes for sale in Highland Lake Estates

What is the Highland Lake Estates neighborhood like?

Highland Lake Estates is a residential subdivision in Lago Vista, Travis County, Texas, on the north shore of Lake Travis in the Hill Country roughly 35 miles northwest of downtown Austin. The subdivision was originally platted and built out starting in the 1970s, and homes primarily date from around 1974 onward. Architectural styles include Spanish and traditional single-family homes from the original build era as well as newer Hill Country-style custom homes.

Explore Highland Lake Estates

What employers are near 21100 Santa Carlo Ave?

  • Lago Vista ISD (Education)
  • City of Lago Vista (Government)
  • Lago Vista POA and amenity operations (Community services)

How does this property compare to others in Highland Lake Estates?

21100 Santa Carlo Ave is listed at $25K vs. the $430K median in Highland Lake Estates. Homes in Highland Lake Estates average 64 days on market.

MetricHighland Lake Estates
Median List Price$430K
Median Sold Price$387K
Average Days on Market64
Average Price per Sqft$244
Active Listings115

Market data as of September 2026.

Frequently Asked Questions

How much is 21100 Santa Carlo Ave?

21100 Santa Carlo Ave is listed for $25,000. It features 0.3618 acres.

What neighborhood is 21100 Santa Carlo Ave in?

21100 Santa Carlo Ave is located in the Highland Lake Estates neighborhood of Lago Vista, Texas.

How does 21100 Santa Carlo Ave compare to other lots in Highland Lake Estates?

The asking price of $25,000 is 94.2% lower than the median lot price of $430K in Highland Lake Estates.

What are the details of 21100 Santa Carlo Ave?

21100 Santa Carlo Ave sits on 0.3618 acres of land, and is a unimproved land style lot.