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305 WHETSTONE, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,226 sqftBuilt 1983

Property at a Glance

This home is estimated between $208,390 and $655,817, with a best estimate of $257,950. That places the property below the R210480H - Brushy Creek median of $296,542, in a neighborhood that declined 14.6% over the past year.

Estimated Value Range

$208,390 $655,817
Best Estimate
$257,950
WCAD Value
$273,458
Low Confidence

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

There are 5 comparable properties within range, but none are in R210480H - Brushy Creek. The estimated range of $208,390 and $655,817 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 1,140 sqft Built 1981
Raw Value $233,366
Adjusted Value $255,759

Adjusted +$19,180 for 86 sqft more living space and +$3,213 for being newer. Net adjustment: +$22,393.

3 bed 1,256 sqft Built 1983
Raw Value $270,912
Adjusted Value $264,221

Adjusted -$6,691 for 30 sqft less living space. Net adjustment: -$6,691.

3 bed 2 bath 1,507 sqft Built 1978
Raw Value $263,025
Adjusted Value $208,390

Adjusted -$62,668 for 281 sqft less living space and +$8,033 for being newer. Net adjustment: -$54,635.

4 bed 2 bath 1,570 sqft Built 1983
Raw Value $732,536
Adjusted Value $655,817

Adjusted -$76,719 for 344 sqft less living space. Net adjustment: -$76,719.

3 bed 2 bath 1,647 sqft Built 1976
Raw Value $340,594
Adjusted Value $257,950

Adjusted -$93,891 for 421 sqft less living space and +$11,247 for being newer. Net adjustment: -$82,644.

The Neighborhood

This home is valued 7.8% below the R210480H - Brushy Creek median of $296,542. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 14.6% over the past year.

R210480H - Brushy Creek

typical
871 Properties
$296,542 Median Value
-14.6% YoY Change
2% Have Pool
94% Have Garage
This Home
$273,458
Median
$296,542

This home is -7.8% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,234 across all districts. With a homestead exemption claimed, that drops to $3,933 — saving $1,301 per year. That's $328 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%$2,442
Brushy Creek MUDMUD0.3868%$1,058
Williamson CountyCounty0.3694%$1,010
Austin Community Collegespecial0.1034%$283
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$273
Williamson County FM/RdCounty0.0443%$121
Upper Brushy Creek WCIDWater0.0170%$46
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9141%$5,234

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $257,950 would pay approximately $1,610 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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