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FOR SALE
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$74,000

Reduced $5K

21601 Santa Carlo Ave, Lago Vista, TX 78645

Est. Mortgage $441/mo

0.24

acres

Unimproved Land
$240/mo HOA
0.24 Acre Lot
$305,155/acre
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OVERVIEW

About this lot

One of the flattest, most build-ready lots in Lago Vista. This cleared homesite offers an ideal setting for an easy build, helping reduce site prep costs and timelines. Utilities are already run to the property, with only impact fees remaining (buyer to verify all utility availability and fees with the City of Lago Vista). Located in the Lago Vista Property Owners Association, enjoy access to private waterfront parks, boat ramps, marina, fishing areas, swimming parks, and more on Lake Travis. Seller is local custom home builder and is open to selling the lot or partnering with buyer to design and build a custom home. Great opportunity for a level lot with flexibility in a growing lakeside community!

Listings checked every few minutes. MLS# 3191505 was Last Updated: 09-19-2026.

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.

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 21601 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?

21601 Santa Carlo Ave is listed at $74K 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 21601 Santa Carlo Ave?

21601 Santa Carlo Ave is listed for $74,000. It features 0.2425 acres.

What neighborhood is 21601 Santa Carlo Ave in?

21601 Santa Carlo Ave is located in the Highland Lake Estates neighborhood of Lago Vista, Texas.

How does 21601 Santa Carlo Ave compare to other lots in Highland Lake Estates?

The asking price of $74,000 is 82.8% lower than the median lot price of $430K in Highland Lake Estates.

What are the details of 21601 Santa Carlo Ave?

21601 Santa Carlo Ave sits on 0.2425 acres of land, and is a unimproved land style lot.