#1 Austin Board of Realtors Team 2024#1 Austin Board of Realtors Team 2024
509 Heron Drive is more than a homesite — it is a beautiful Hill Country canvas. Backing directly to the Balcones Canyonlands Preserve, the lot offers approximately 0.42 acres within Lakeway’s Cardinal Hills. It invites architecture that embraces first- and second-level views and outdoor living framed by a lush, greenbelt backdrop. Cardinal Hills is an established Lake Travis-area neighborhood known for its appealing, rolling contours and convenient access to Lakeway amenities. Because of its location and scenic beauty, Cardinal Hills has attracted increasingly upscale properties with homes ranging from the hundreds to the millions. Minutes from Lake Travis, Lakeway Marina, Lakeway City Park, Hamilton Greenbelt trails, multiple golf courses, The Hills Country Club, H-E-B, Baylor Scott & White, Hill Country Galleria dining and shopping. No HOA. MUD water. Public sewer and underground utilities. Lake Travis ISD. Seller financing available.
Property Type
Land
Lot Size
0.42 acres
Listed by Horizon Realty
Property Details
Lot Features
Fencing
Waterfront
Verified property facts
509 Heron DR is zoned for Lake Travis ISD with assigned schools: Lakeway (elementary), Hudson Bend (middle), Lake Travis (high). School assignments should be verified directly with the district.
509 Heron DR 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 509 Heron DR is $2,973. 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.
With 20% down ($79,000) on a 30-year fixed mortgage at approximately 6.75%, the estimated monthly payment for 509 Heron DR is around $2,297 including principal, interest, and estimated taxes. Actual payment varies by rate, down payment, insurance, and HOA fees.
#1 Austin Board of Realtors Team. Over 1,000 successful transactions with high-end expertise.
25+ years advising buyers and sellers in this community
6 records on file
Every recorded sale and lease at 509 Heron DR, 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.
Public record data from county appraisal records. Market value can differ from assessed value.
| Year | Taxes | Total Assessment | Land | Additions |
|---|---|---|---|---|
2025+233.3% | — | $260,610 | $260,610 | — |
2021 | — | $78,200 | $100,000 | — |
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% ($79K)
$395,000
Luxury property intelligence
A sourced read on Cardinal Hills Unit 03 pricing, timing, and property scale. No automated valuation claim.
List price
$395,000
Price per sqft
Not available
Vs. Cardinal Hills Unit 03 median
Not available
Days on market
43 days
Original to current
No verified reduction
$395K original
Active inventory context
Ask for current inventory
Source: MLS Grid / Unlock MLS and Keenan Group review as of Aug 16, 2026.
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Pricing, prep, launch timing, and Compass marketing strategy
#1 ABOR Team 2024 with $1B+ career sales volume
At $395,000, 509 Heron DR is in the Cardinal Hills Unit 03 market where there are currently 181 active listings in 78734. The Keenan Group has completed 16 transactions in 78734 as part of 1,000+ career sales totaling $1B+ across Austin.
509 Heron DR includes verified waterfront access: Creek. Buyers should confirm shoreline, dock rights, and floodplain status during due diligence.
Answers use visible listing facts, school context, and neighborhood data available on this page. Verify time-sensitive details before making decisions.
5 events on record
Timeline data compiled from MLS records and public records. Information deemed reliable but not guaranteed.
| Year | Taxes | Total Assessment | Land | Additions |
|---|---|---|---|---|
| — |
| $260,610 |
| $260,610 |
| — |
2021 | — | $78,200 | $100,000 | — |
Timeline merges MLS activity (when permitted) with public records. Some details may be restricted to registered VOW clients.
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