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Verified property facts
5100 Sundown St 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.
5100 Sundown St 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.
With 20% down ($9,800) on a 30-year fixed mortgage at approximately 6.75%, the estimated monthly payment for 5100 Sundown St is around $344 including principal, interest, and estimated taxes. Actual payment varies by rate, down payment, insurance, and HOA fees.
At $49,000, 5100 Sundown St is in the Lago Vista Country Club Estate market where there are currently 251 active listings in 78645. The Keenan Group has completed 6 transactions in 78645 as part of 1,000+ career sales totaling $1B+ across Austin.
#1 Austin Board of Realtors Team. Over 1,000 successful transactions with high-end expertise.
25+ years advising buyers and sellers in this community
Listing timeline with current price, original ask, and market time.
Stunning Rear Lake View Lot – Ideal for Your Dream Two-Story Home Imagine building your perfect two-story home on this lot, offering sweeping views of the lake, Hill Country, and the nearby golf course. Located on a quiet street surrounded by beautiful homes, this property provides the ideal setting for those seeking tranquility and scenic beauty. With utilities expected to be in place (buyers should verify with the city), this lot is ready to bring your vision to life. Don’t miss out on the opportunity to create your dream home in this picturesque and serene neighborhood.
Property Type
Land
Lot Size
0.25 acres
HOA
$150/mo
Listed by eXp Realty, LLC
Property Details
Lot Features
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% ($10K)
$49,000
Luxury property intelligence
A sourced read on Lago Vista Country Club Estate pricing, timing, and property scale. No automated valuation claim.
List price
$49,000
Price per sqft
Not available
Vs. Lago Vista Country Club Estate median
Not available
Days on market
649 days
Original to current
$6K reduction
$55K original
Active inventory context
Ask for current inventory
Source: MLS Grid / Unlock MLS and Keenan Group review as of May 8, 2026.
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#1 ABOR Team 2024 with $1B+ career sales volume
5100 Sundown St is part of a managed community with HOA dues of $150 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
