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1450 OLD AUSTIN ROCK RD, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

2 bed1 bath916 sqftBuilt 1999

Property at a Glance

This home is estimated between $189,623 and $373,972, with a best estimate of $306,228. That places the property above the R332479H - CHISHOLM VALLEY & NORTHRIDGE ACRES & WILLOW RUN median of $281,358, in a neighborhood that declined 9.6% over the past year.

Estimated Value Range

$189,623 $373,972
Best Estimate
$306,228
WCAD Value
$263,823
Low Confidence

Based on 5 comparable properties(2 in the same subdivision)

There are 5 comparable properties within range, but few are in R332479H - CHISHOLM VALLEY & NORTHRIDGE ACRES & WILLOW RUN. The estimated range of $189,623 and $373,972 should be treated as a rough guide.

Comparable Properties (5)

1315 OLD AUSTIN ROCK RD, ROUND ROCK, TX 78681
0.00 mi 93% similar Same subdivision
2 bed 1 bath 857 sqft Built 1950
Raw Value $243,637
Adjusted Value $332,756

Adjusted +$12,727 for 59 sqft more living space and +$76,392 for being newer. Net adjustment: +$89,119.

1301 OLD AUSTIN ROCK RD, ROUND ROCK, TX 78681
0.00 mi 88% similar Same subdivision
2 bed 2 bath 1,248 sqft Built 2024
Raw Value $422,259
Adjusted Value $306,228

Adjusted -$71,617 for 332 sqft less living space and -$38,976 for being older and -$5,438 for no garage. Net adjustment: -$116,031.

4 bed 3 bath 1,208 sqft Built 2017
Raw Value $470,460
Adjusted Value $373,972

Adjusted -$62,988 for 292 sqft less living space and -$28,062 for being older and -$5,438 for no garage. Net adjustment: -$96,488.

3 bed 2 bath 1,734 sqft Built 2019
Raw Value $402,694
Adjusted Value $189,623

Adjusted -$176,453 for 818 sqft less living space and -$31,180 for being older and -$5,438 for no garage. Net adjustment: -$213,071.

3 bed 2 bath 1,818 sqft Built 2017
Raw Value $419,018
Adjusted Value $190,945

Adjusted -$194,573 for 902 sqft less living space and -$28,062 for being older and -$5,438 for no garage. Net adjustment: -$228,073.

The Neighborhood

This home is valued 6.2% below the R332479H - CHISHOLM VALLEY & NORTHRIDGE ACRES & WILLOW RUN median of $281,358. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 9.6% over the past year.

R332479H - CHISHOLM VALLEY & NORTHRIDGE ACRES & WILLOW RUN

typical
1,006 Properties
$281,358 Median Value
-9.6% YoY Change
2% Have Pool
84% Have Garage
This Home
$263,823
Median
$281,358

This home is -6.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $3,372 across all districts. With a homestead exemption claimed, that drops to $2,087 — saving $1,285 per year. That's $174 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%$1,674
Round RockCity0.3720%$697
Williamson CountyCounty0.3694%$692
Austin Community Collegespecial0.1034%$194
Williamson County FM/RdCounty0.0443%$83
Upper Brushy Creek WCIDWater0.0170%$32
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$3,372

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $306,228 would pay approximately $1,911 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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