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FOR SALE
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$450,000

21909 Mockingbird ST, Lago Vista, TX 78645

Est. Mortgage $3,259/mo

0.69

acres

Unimproved Land
$200/mo HOA
0.69 Acre Lot
$654,736/acre
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OVERVIEW

About this lot

This Lake Travis waterfront homesite at 21909 Mockingbird Lane offers a rare chance to create a custom retreat in the heart of the Texas Hill Country. With a gentle slope toward the water, mature trees for privacy, and utilities available at the street, the property provides an ideal canvas for a home designed to capture lake views, natural light, and seamless indoor-outdoor living. From quiet mornings overlooking the water to evenings defined by expansive Hill Country sunsets, the setting supports a lifestyle centered on both relaxation and connection to nature. Located in the Lago Vista community, ownership includes access to private waterfront parks, boat launches, a fishing well, pool, fitness center, pickleball courts, and golf course through the Lago Vista POA. Lake Travis offers endless opportunities for boating and recreation, while downtown Austin remains within an easy drive. An added opportunity exists with the adjacent submerged 4-acre tract owned by the City of Lago Vista, which may potentially be available to expand water access or enhance privacy.

Listings checked every few minutes. MLS# 5510658 was Last Updated: 09-14-2026.

Listed by Kuper Sotheby's Int'l Realty (512) 831-6577

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 21909 Mockingbird ST?

  • 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?

21909 Mockingbird ST is listed at $450K 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 21909 Mockingbird ST?

21909 Mockingbird ST is listed for $450,000. It features 0.6873 acres.

What neighborhood is 21909 Mockingbird ST in?

21909 Mockingbird ST is located in the Highland Lake Estates neighborhood of Lago Vista, Texas.

How does 21909 Mockingbird ST compare to other lots in Highland Lake Estates?

The asking price of $450,000 is 4.7% higher than the median lot price of $430K in Highland Lake Estates.

What are the details of 21909 Mockingbird ST?

21909 Mockingbird ST sits on 0.6873 acres of land, and is a unimproved land style lot.