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440 HIGHLAND HORIZON, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

3 bed2 bath2,270 sqftBuilt 2010

Property at a Glance

This home is estimated between $539,287 and $903,441, with a best estimate of $852,606. 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

$539,287 $903,441
Best Estimate
$852,606
WCAD Value
$913,403
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 $539,287 and $903,441. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

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 $853,061

Adjusted +$210,650 for 681 sqft more living space. Net adjustment: +$210,650.

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 $645,964

Adjusted +$59,081 for 191 sqft more living space. Net adjustment: +$59,081.

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 $852,606

Adjusted +$199,514 for 645 sqft more living space. Net adjustment: +$199,514.

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 $903,441

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

421 HIGHLAND HORIZON, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
3 bed 2 bath 3,295 sqft Built 2009
Raw Value $843,907
Adjusted Value $539,287

Adjusted -$317,057 for 1,025 sqft less living space and +$12,437 for being newer. Net adjustment: -$304,620.

The Neighborhood

This home is valued 16.9% 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

above average
399 Properties
$781,434 Median Value
+2.3% YoY Change
0% Have Pool
100% Have Garage
This Home
$913,403
Median
$781,434

This home is +16.9% above the subdivision median.

Tax Analysis

The estimated annual property tax is $18,306 across all districts. With a homestead exemption claimed, that drops to $16,887 — saving $1,419 per year. That's $1,407 per month a buyer should budget. The assessed value increased roughly in line with the neighborhood, so a tax protest is unlikely to yield significant savings.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$8,158
Brushy Creek MUDMUD0.3868%$3,533
Williamson CountyCounty0.3694%$3,375
Austin Community Collegespecial0.1034%$944
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$913
Brushy Creek MUD Defined AreaMUD0.0900%$822
Williamson County FM/RdCounty0.0443%$405
Upper Brushy Creek WCIDWater0.0170%$155
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0041%$18,306

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $852,606 would pay approximately $5,322 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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