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436 HIGHLAND HORIZON, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed3 bath2,272 sqftBuilt 2011

Property at a Glance

This home is estimated between $659,020 and $926,459, with a best estimate of $874,950. 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

$659,020 $926,459
Best Estimate
$874,950
WCAD Value
$876,574
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 $659,020 and $926,459. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

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 $926,459

Adjusted +$619 for 2 sqft more living space and +$12,437 for being newer. Net adjustment: +$13,056.

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 $679,401

Adjusted -$186,213 for 602 sqft less living space and -$12,437 for being older. Net adjustment: -$198,650.

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 $659,020

Adjusted +$59,700 for 193 sqft more living space and +$12,437 for being newer. Net adjustment: +$72,137.

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 $916,496

Adjusted +$60,318 for 195 sqft more living space and +$24,874 for being newer. Net adjustment: +$85,192.

313 HIGHLAND HORIZON, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,595 sqft Built 2010
Raw Value $653,100
Adjusted Value $874,950

Adjusted +$209,413 for 677 sqft more living space and +$12,437 for being newer. Net adjustment: +$221,850.

The Neighborhood

This home is valued 12.2% 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
$876,574
Median
$781,434

This home is +12.2% above the subdivision median.

Tax Analysis

The estimated annual property tax is $17,568 across all districts. With a homestead exemption claimed, that drops to $16,155 — saving $1,413 per year. That's $1,346 per month a buyer should budget. The assessed value increased +6.6% vs the subdivision average of +2.3%. This above-average increase gives a protest opportunity score of 42 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$7,829
Brushy Creek MUDMUD0.3868%$3,391
Williamson CountyCounty0.3694%$3,238
Austin Community Collegespecial0.1034%$906
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$877
Brushy Creek MUD Defined AreaMUD0.0900%$789
Williamson County FM/RdCounty0.0443%$389
Upper Brushy Creek WCIDWater0.0170%$149
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0041%$17,568
42 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $874,950 would pay approximately $5,461 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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