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401 HIGHLAND HORIZON, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed2 bath3,148 sqftBuilt 2011

Property at a Glance

This home is estimated between $823,310 and $1,197,427, with a best estimate of $950,369. 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

$823,310 $1,197,427
Best Estimate
$950,369
WCAD Value
$902,362
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 $823,310 and $1,197,427. 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 $1,020,258

Adjusted +$71,763 for 232 sqft more living space and +$24,874 for being newer. Net adjustment: +$96,637.

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 $1,197,427

Adjusted +$271,587 for 878 sqft more living space and +$12,437 for being newer. Net adjustment: +$284,024.

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 $950,369

Adjusted +$84,755 for 274 sqft more living space and -$12,437 for being older. Net adjustment: +$72,318.

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 $823,310

Adjusted -$45,471 for 147 sqft less living space and +$24,874 for being newer. Net adjustment: -$20,597.

405 HIGHLAND HORIZON, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
3 bed 3 bath 2,955 sqft Built 2009
Raw Value $821,367
Adjusted Value $905,941

Adjusted +$59,700 for 193 sqft more living space and +$24,874 for being newer. Net adjustment: +$84,574.

The Neighborhood

This home is valued 15.5% 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
$902,362
Median
$781,434

This home is +15.5% above the subdivision median.

Tax Analysis

The estimated annual property tax is $18,084 across all districts. With a homestead exemption claimed, that drops to $16,667 — saving $1,417 per year. That's $1,389 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%$8,059
Brushy Creek MUDMUD0.3868%$3,491
Williamson CountyCounty0.3694%$3,334
Austin Community Collegespecial0.1034%$933
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$902
Brushy Creek MUD Defined AreaMUD0.0900%$812
Williamson County FM/RdCounty0.0443%$400
Upper Brushy Creek WCIDWater0.0170%$153
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0041%$18,084

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $950,369 would pay approximately $5,932 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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