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900 CACTUS DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,212 sqftBuilt 1977

Property at a Glance

This home is estimated between $320,778 and $491,207, with a best estimate of $409,056. 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

$320,778 $491,207
Best Estimate
$409,056
WCAD Value
$266,186
Low Confidence

Based on 5 comparable properties(0 in the same subdivision)

There are 5 comparable properties within range, but none are in R332479H - CHISHOLM VALLEY & NORTHRIDGE ACRES & WILLOW RUN. The estimated range of $320,778 and $491,207 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 1,358 sqft Built 1979
Raw Value $354,874
Adjusted Value $327,788

Adjusted -$31,494 for 146 sqft less living space and -$3,118 for being older and +$7,526 for having a pool. Net adjustment: -$27,086.

4 bed 2 bath 1,057 sqft Built 1976
Raw Value $447,139
Adjusted Value $489,659

Adjusted +$33,435 for 155 sqft more living space and +$1,559 for being newer and +$7,526 for having a pool. Net adjustment: +$42,520.

3 bed 2 bath 1,220 sqft Built 1998
Raw Value $435,996
Adjusted Value $409,056

Adjusted -$1,726 for 8 sqft less living space and -$32,740 for being older and +$7,526 for having a pool. Net adjustment: -$26,940.

2 bed 2 bath 1,368 sqft Built 1979
Raw Value $350,021
Adjusted Value $320,778

Adjusted -$33,651 for 156 sqft less living space and -$3,118 for being older and +$7,526 for having a pool. Net adjustment: -$29,243.

4 bed 2 bath 1,212 sqft Built 1993
Raw Value $508,625
Adjusted Value $491,207

Adjusted -$24,944 for being older and +$7,526 for having a pool. Net adjustment: -$17,418.

The Neighborhood

This home is valued 5.4% 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
$266,186
Median
$281,358

This home is -5.4% below the subdivision median.

Tax Analysis

The estimated annual property tax is $4,789 across all districts. With a homestead exemption claimed, that drops to $3,490 — saving $1,299 per year. That's $291 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%$2,377
Round RockCity0.3720%$990
Williamson CountyCounty0.3694%$983
Austin Community Collegespecial0.1034%$275
Williamson County FM/RdCounty0.0443%$118
Upper Brushy Creek WCIDWater0.0170%$45
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$4,789

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $409,056 would pay approximately $2,553 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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