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800 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 $244,672 and $311,586, with a best estimate of $265,008. That places the property below 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

$244,672 $311,586
Best Estimate
$265,008
WCAD Value
$296,544
Low Confidence

Based on 5 comparable properties(1 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 $244,672 and $311,586 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 1,269 sqft Built 1982
Raw Value $290,537
Adjusted Value $265,008

Adjusted -$12,296 for 57 sqft less living space and -$7,795 for being older and -$5,438 for no garage. Net adjustment: -$25,529.

3 bed 2 bath 1,133 sqft Built 1979
Raw Value $293,501
Adjusted Value $301,986

Adjusted +$17,041 for 79 sqft more living space and -$3,118 for being older and -$5,438 for no garage. Net adjustment: +$8,485.

505 DRY CREEK CT, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,254 sqft Built 1984
Raw Value $270,083
Adjusted Value $244,672

Adjusted -$9,060 for 42 sqft less living space and -$10,913 for being older and -$5,438 for no garage. Net adjustment: -$25,411.

3 bed 2 bath 1,212 sqft Built 1982
Raw Value $268,403
Adjusted Value $255,170

Adjusted -$7,795 for being older and -$5,438 for no garage. Net adjustment: -$13,233.

3 bed 2 bath 1,303 sqft Built 1984
Raw Value $347,567
Adjusted Value $311,586

Adjusted -$19,630 for 91 sqft less living space and -$10,913 for being older and -$5,438 for no garage. Net adjustment: -$35,981.

The Neighborhood

This home is valued 5.4% above the R332479H - CHISHOLM VALLEY & NORTHRIDGE ACRES & WILLOW RUN median of $281,358. With 1,006 homes in the subdivision, the property sits in the upper tier. 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
$296,544
Median
$281,358

This home is +5.4% above the subdivision median.

Tax Analysis

The estimated annual property tax is $5,336 across all districts. With a homestead exemption claimed, that drops to $4,031 — saving $1,305 per year. That's $336 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%$2,648
Round RockCity0.3720%$1,103
Williamson CountyCounty0.3694%$1,096
Austin Community Collegespecial0.1034%$307
Williamson County FM/RdCounty0.0443%$131
Upper Brushy Creek WCIDWater0.0170%$50
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,336

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $265,008 would pay approximately $1,654 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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