Beta Williamson County, TX only — data and coverage are limited during early access.

1500 SAGEBRUSH DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,261 sqftBuilt 1978

Property at a Glance

This home is estimated between $245,418 and $484,649, with a best estimate of $291,429. 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

$245,418 $484,649
Best Estimate
$291,429
WCAD Value
$269,570
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 $245,418 and $484,649 should be treated as a rough guide.

Comparable Properties (5)

1500 ROUNDUP TRL, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,338 sqft Built 1977
Raw Value $306,480
Adjusted Value $291,429

Adjusted -$16,610 for 77 sqft less living space and +$1,559 for being newer. Net adjustment: -$15,051.

1500 WAGONGAP DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,274 sqft Built 1975
Raw Value $266,419
Adjusted Value $268,292

Adjusted -$2,804 for 13 sqft less living space and +$4,677 for being newer. Net adjustment: +$1,873.

3 bed 2 bath 1,188 sqft Built 1977
Raw Value $228,112
Adjusted Value $245,418

Adjusted +$15,747 for 73 sqft more living space and +$1,559 for being newer. Net adjustment: +$17,306.

4 bed 2 bath 1,329 sqft Built 1979
Raw Value $500,876
Adjusted Value $484,649

Adjusted -$14,668 for 68 sqft less living space and -$1,559 for being older. Net adjustment: -$16,227.

3 bed 2 bath 1,563 sqft Built 1977
Raw Value $388,107
Adjusted Value $324,521

Adjusted -$65,145 for 302 sqft less living space and +$1,559 for being newer. Net adjustment: -$63,586.

The Neighborhood

This home is valued 4.2% 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
$269,570
Median
$281,358

This home is -4.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $4,850 across all districts. With a homestead exemption claimed, that drops to $3,550 — saving $1,300 per year. That's $296 per month a buyer should budget. The assessed value increased -3.1% vs the subdivision average of -9.6%. This above-average increase gives a protest opportunity score of 33 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$2,408
Round RockCity0.3720%$1,003
Williamson CountyCounty0.3694%$996
Austin Community Collegespecial0.1034%$279
Williamson County FM/RdCounty0.0443%$119
Upper Brushy Creek WCIDWater0.0170%$46
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$4,850
33 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $291,429 would pay approximately $1,819 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.

View full property details