
Exceptional income-producing duplex in the heart of Lago Vista! Situated on a massive .35-acre corner lot, this 2018-built, single-story duplex offers 2,583 sq. ft., 6 bedrooms, 4 bathrooms, and 4 garage spaces—all with durable wood-look tile flooring and no carpet. Granite countertops, stainless steel appliances, and energy-efficient features make this a stylish, low-maintenance property for both owners and tenants.
This duplex is already producing $3,470 per month in rental income, providing immediate cash flow from day one. And with the City of Lago Vista permitting short-term rentals, including Airbnb subject to local regulations, investors have the flexibility to continue long-term leasing, explore vacation rentals, or potentially create a combination of both.
Enjoy access to an incredible community with 10 parks, playgrounds, nature parks and hiking trails, The Fishing Well, 6 boat ramps, a swimming pool, fitness centers, tennis courts, basketball courts, disc golf, sports fields, and beautiful Lake Travis and Hill Country views. Lago Vista offers something to do for every lifestyle—from boating and fishing to hiking, swimming, sports, and simply enjoying the outdoors.
Located near the North Shore of Lake Travis, this property combines strong existing income, short-term rental flexibility, an oversized corner lot, and an unbeatable recreation-focused location. Energy Efficient finishes include Blown in Blanket Insulation (BIBS) and ZIP Board exterior and roof sheathing to seal the envelope.
Whether you’re expanding your investment portfolio, looking for a flexible income-producing property, or want to capitalize on the demand for Lake Travis-area rentals, 21414 Santa Carlo delivers immediate income and tremendous upside in one of Central Texas’ most recreation-rich communities.
Property Type
Residential Income
Year Built
2018
Lot Size
0.35 acres
$/Sq Ft
$203
HOA
$200/mo
Garage
4 spaces
Listed by eXp Realty, LLC
Property Details
Features
Appliances
Flooring
Features
Construction
Lot Features
Fencing
Foundation
Patio / Porch
Parking
Waterfront
Verified property facts
21414 Santa Carlo Ave is listed at $525,000 with 0 bedrooms, 2,583 square feet, 0.35-acre lot.
21414 Santa Carlo Ave is zoned for Lago Vista ISD with assigned schools: Lago Vista (6/10) (elementary), Lago Vista (6/10) (middle), Lago Vista (6/10) (high). School assignments should be verified directly with the district.
21414 Santa Carlo Ave is a Residential Income built in 2018 featuring 0 bedrooms, 2,583 square feet, 0.35-acre lot.
21414 Santa Carlo Ave is presented by the Keenan Group at Compass Real Estate, the #1 Austin Board of Realtors Team (2024) with 1,000+ career transactions and $1B+ in career volume across Austin's luxury market.
The most recent annual property tax for 21414 Santa Carlo Ave is $12,238. Texas has no state income tax, so property taxes are a primary revenue source. Rates vary by jurisdiction and exemptions. Verify current amounts with the county appraisal district.
#1 Austin Board of Realtors Team. Over 1,000 successful transactions with high-end expertise.
25+ years advising buyers and sellers in this community
2 records on file
Every recorded sale and lease at 21414 Santa Carlo Ave, whoever represented it.
Prices shown are list prices. Closed sale prices are available to registered clients in accordance with ACTRIS rules.
Listing timeline with current price, original ask, and market time.

Zoned assignments come from the property school fields available to us. District context schools are shown only when an assigned tier is missing. Contact the school district directly to verify current boundaries and enrollment eligibility. Ratings from GreatSchools.org.
20% ($105K)
$525,000
Luxury property intelligence
A sourced read on Highland Lk Ests Sec 25 pricing, timing, and property scale. No automated valuation claim.
List price
$525,000
Price per sqft
$203/sqft
Vs. Highland Lk Ests Sec 25 median
Not available
Days on market
161 days
Original to current
No verified reduction
$525K original
Active inventory context
Ask for current inventory
Source: MLS Grid / Unlock MLS and Keenan Group review as of Aug 21, 2026.
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#1 ABOR Team 2024 with $1B+ career sales volume
With 20% down ($105,000) on a 30-year fixed mortgage at approximately 6.75%, the estimated monthly payment for 21414 Santa Carlo Ave is around $3,744 including principal, interest, and estimated taxes. Actual payment varies by rate, down payment, insurance, and HOA fees.
At $525,000, 21414 Santa Carlo Ave is in the Highland Lk Ests Sec 25 market where there are currently 263 active listings in 78645. The Keenan Group has completed 6 transactions in 78645 as part of 1,000+ career sales totaling $1B+ across Austin.
21414 Santa Carlo Ave was built in 2018, making it 8 years old with relatively recent construction.
21414 Santa Carlo Ave includes verified waterfront access: None. Buyers should confirm shoreline, dock rights, and floodplain status during due diligence.
21414 Santa Carlo Ave is part of a managed community with HOA dues of $200 annually. HOA-managed communities in Austin's luxury market typically provide amenities such as common areas, security, and exterior maintenance. Verify current dues and rules with the HOA directly.
Answers use visible listing facts, school context, and neighborhood data available on this page. Verify time-sensitive details before making decisions.
Best Match
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Recent sales for market context