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308 HIGHLAND HORIZON, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed2 bath2,123 sqftBuilt 2010

Property at a Glance

This home is estimated between $600,493 and $867,932, with a best estimate of $807,135. 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

$600,493 $867,932
Best Estimate
$807,135
WCAD Value
$877,940
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 $600,493 and $867,932. 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 $867,932

Adjusted -$45,471 for 147 sqft less living space. Net adjustment: -$45,471.

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 $620,874

Adjusted -$232,303 for 751 sqft less living space and -$24,874 for being older. Net adjustment: -$257,177.

309 HIGHLAND HORIZON, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,589 sqft Built 2010
Raw Value $642,411
Adjusted Value $807,590

Adjusted +$165,179 for 534 sqft more living space. Net adjustment: +$165,179.

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 $600,493

Adjusted +$13,610 for 44 sqft more living space. Net adjustment: +$13,610.

209 HIGHLAND HORIZON, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,625 sqft Built 2010
Raw Value $653,092
Adjusted Value $807,135

Adjusted +$154,043 for 498 sqft more living space. Net adjustment: +$154,043.

The Neighborhood

This home is valued 12.3% 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
$877,940
Median
$781,434

This home is +12.3% above the subdivision median.

Tax Analysis

The estimated annual property tax is $17,595 across all districts. With a homestead exemption claimed, that drops to $16,182 — saving $1,413 per year. That's $1,349 per month a buyer should budget. The assessed value increased +5.2% vs the subdivision average of +2.3%. This above-average increase gives a protest opportunity score of 30 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$7,841
Brushy Creek MUDMUD0.3868%$3,396
Williamson CountyCounty0.3694%$3,244
Austin Community Collegespecial0.1034%$908
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$878
Brushy Creek MUD Defined AreaMUD0.0900%$790
Williamson County FM/RdCounty0.0443%$389
Upper Brushy Creek WCIDWater0.0170%$149
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0041%$17,595
30 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $807,135 would pay approximately $5,038 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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