























$289,900
21209 Santa Carlo Ave, Lago Vista, TX 78645
4
beds
2
baths
1,805
sqft
0.22
acres
About this home
Listings checked every few minutes. MLS# 3768989 was Last Updated: 08-28-2026.
Listed by Solutions Real Estate Texas (512) 535-4472
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.
What employers are near 21209 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?
21209 Santa Carlo Ave is listed at $290K vs. the $430K median in Highland Lake Estates. The neighborhood average is $244/sqft. Homes in Highland Lake Estates average 64 days on market.
| Metric | Highland Lake Estates |
|---|---|
| Median List Price | $430K |
| Median Sold Price | $387K |
| Average Days on Market | 64 |
| Average Price per Sqft | $244 |
| Active Listings | 115 |
Market data as of September 2026.
Frequently Asked Questions
How much is 21209 Santa Carlo Ave?
21209 Santa Carlo Ave is listed for $289,900. It features 4 bedrooms, 2 bathrooms, 1,805 square feet, 0.2201 acres. Built in 2021.
What neighborhood is 21209 Santa Carlo Ave in?
21209 Santa Carlo Ave is located in the Highland Lake Estates neighborhood of Lago Vista, Texas.
How does 21209 Santa Carlo Ave compare to other homes in Highland Lake Estates?
The asking price of $289,900 is 32.6% lower than the median home price of $430K in Highland Lake Estates. At $161/sqft, it compares to the neighborhood average of $244/sqft.
What are the details of 21209 Santa Carlo Ave?
21209 Santa Carlo Ave was built in 2021, and sits on 0.2201 acres of land, and is a single family residence style home.