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2604 HILLTOP ST, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath2,460 sqftBuilt 1978

Property at a Glance

This home is estimated between $555,142 and $644,891, with a best estimate of $635,160. That places the property below the R104681D - Brushy Creek North Sec 1 & 2 median of $663,354, in a neighborhood that appreciated 3.6% over the past year.

Estimated Value Range

$555,142 $644,891
Best Estimate
$635,160
WCAD Value
$655,226
Low Confidence

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

There are 5 comparable properties within range, but none are in R104681D - Brushy Creek North Sec 1 & 2. The estimated range of $555,142 and $644,891 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 2,044 sqft Built 1981
Raw Value $455,252
Adjusted Value $565,763

Adjusted +$119,167 for 416 sqft more living space and -$8,656 for being older. Net adjustment: +$110,511.

3 bed 2 bath 1,971 sqft Built 1975
Raw Value $496,156
Adjusted Value $644,891

Adjusted +$140,079 for 489 sqft more living space and +$8,656 for being newer. Net adjustment: +$148,735.

3 bed 2 bath 1,877 sqft Built 1984
Raw Value $405,447
Adjusted Value $555,142

Adjusted +$167,006 for 583 sqft more living space and -$17,311 for being older. Net adjustment: +$149,695.

4 bed 2 bath 1,934 sqft Built 1978
Raw Value $484,482
Adjusted Value $635,160

Adjusted +$150,678 for 526 sqft more living space. Net adjustment: +$150,678.

3 bed 2 bath 1,626 sqft Built 1977
Raw Value $398,588
Adjusted Value $640,381

Adjusted +$238,908 for 834 sqft more living space and +$2,885 for being newer. Net adjustment: +$241,793.

The Neighborhood

This home is valued 1.2% below the R104681D - Brushy Creek North Sec 1 & 2 median of $663,354. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 3.6% over the past year.

R104681D - Brushy Creek North Sec 1 & 2

typical
292 Properties
$663,354 Median Value
+3.6% YoY Change
3% Have Pool
95% Have Garage
This Home
$655,226
Median
$663,354

This home is -1.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $12,542 across all districts. With a homestead exemption claimed, that drops to $11,170 — saving $1,372 per year. That's $931 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%$5,852
Brushy Creek MUDMUD0.3868%$2,535
Williamson CountyCounty0.3694%$2,421
Austin Community Collegespecial0.1034%$678
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$655
Williamson County FM/RdCounty0.0443%$290
Upper Brushy Creek WCIDWater0.0170%$111
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9141%$12,542

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $635,160 would pay approximately $3,965 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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