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409 HIGHLAND HORIZON, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed2 bath2,860 sqftBuilt 2010

Property at a Glance

This home is estimated between $828,465 and $1,095,904, with a best estimate of $918,736. That places the property above the R302609C - HIGHLAND HORIZON median of $781,434, in a neighborhood that appreciated 2.3% over the past year.

Estimated Value Range

$828,465 $1,095,904
Best Estimate
$918,736
WCAD Value
$882,030
High Confidence

Based on 5 comparable properties(5 in the same subdivision)

Based on 5 comparable properties in R302609C - HIGHLAND HORIZON, this home's estimated market value is between $828,465 and $1,095,904. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

312 HIGHLAND HORIZON, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
5 bed 4 bath 2,916 sqft Built 2009
Raw Value $923,621
Adjusted Value $918,736

Adjusted -$17,322 for 56 sqft less living space and +$12,437 for being newer. Net adjustment: -$4,885.

440 HIGHLAND HORIZON, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,270 sqft Built 2010
Raw Value $913,403
Adjusted Value $1,095,904

Adjusted +$182,501 for 590 sqft more living space. Net adjustment: +$182,501.

400 HIGHLAND HORIZON, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,874 sqft Built 2012
Raw Value $878,051
Adjusted Value $848,846

Adjusted -$4,331 for 14 sqft less living space and -$24,874 for being older. Net adjustment: -$29,205.

204 HIGHLAND HORIZON, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,079 sqft Built 2010
Raw Value $586,883
Adjusted Value $828,465

Adjusted +$241,582 for 781 sqft more living space. Net adjustment: +$241,582.

441 HIGHLAND HORIZON, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,077 sqft Built 2009
Raw Value $831,304
Adjusted Value $1,085,942

Adjusted +$242,201 for 783 sqft more living space and +$12,437 for being newer. Net adjustment: +$254,638.

The Neighborhood

This home is valued 12.9% above the R302609C - HIGHLAND HORIZON median of $781,434. With 399 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 2.3% over the past year.

R302609C - HIGHLAND HORIZON

typical
399 Properties
$781,434 Median Value
+2.3% YoY Change
0% Have Pool
100% Have Garage
This Home
$882,030
Median
$781,434

This home is +12.9% above the subdivision median.

Tax Analysis

The estimated annual property tax is $17,677 across all districts. With a homestead exemption claimed, that drops to $16,264 — saving $1,413 per year. That's $1,355 per month a buyer should budget. The assessed value increased +6.4% vs the subdivision average of +2.3%. This above-average increase gives a protest opportunity score of 41 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$7,877
Brushy Creek MUDMUD0.3868%$3,412
Williamson CountyCounty0.3694%$3,259
Austin Community Collegespecial0.1034%$912
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$882
Brushy Creek MUD Defined AreaMUD0.0900%$794
Williamson County FM/RdCounty0.0443%$391
Upper Brushy Creek WCIDWater0.0170%$150
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0041%$17,677
41 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $918,736 would pay approximately $5,735 per month (principal and interest only, excluding taxes and insurance).

Data sourced from Williamson County Appraisal District (WCAD), Texas Education Agency (TEA), and Federal Reserve Economic Data (FRED). Assessment values reflect the appraisal district's estimate, not market sale prices. Report generated 4/18/2026.

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