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2507 HILLTOP ST, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,405 sqftBuilt 1982

Property at a Glance

This home is estimated between $307,568 and $498,837, with a best estimate of $329,496. 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

$307,568 $498,837
Best Estimate
$329,496
WCAD Value
$653,159
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 $307,568 and $498,837 should be treated as a rough guide.

Comparable Properties (5)

4 bed 2 bath 1,657 sqft Built 1978
Raw Value $559,484
Adjusted Value $498,837

Adjusted -$72,188 for 252 sqft less living space and +$11,541 for being newer. Net adjustment: -$60,647.

3 bed 2 bath 1,303 sqft Built 1984
Raw Value $347,567
Adjusted Value $371,016

Adjusted +$29,219 for 102 sqft more living space and -$5,770 for being older. Net adjustment: +$23,449.

3 bed 2 bath 1,269 sqft Built 1982
Raw Value $290,537
Adjusted Value $329,496

Adjusted +$38,959 for 136 sqft more living space. Net adjustment: +$38,959.

3 bed 2 bath 1,550 sqft Built 1984
Raw Value $366,931
Adjusted Value $319,624

Adjusted -$41,537 for 145 sqft less living space and -$5,770 for being older. Net adjustment: -$47,307.

3 bed 2 bath 1,254 sqft Built 1984
Raw Value $270,083
Adjusted Value $307,568

Adjusted +$43,255 for 151 sqft more living space and -$5,770 for being older. Net adjustment: +$37,485.

The Neighborhood

This home is valued 1.5% 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
$653,159
Median
$663,354

This home is -1.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $12,502 across all districts. With a homestead exemption claimed, that drops to $11,131 — saving $1,371 per year. That's $928 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%$5,833
Brushy Creek MUDMUD0.3868%$2,527
Williamson CountyCounty0.3694%$2,413
Austin Community Collegespecial0.1034%$675
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$653
Williamson County FM/RdCounty0.0443%$290
Upper Brushy Creek WCIDWater0.0170%$111
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9141%$12,502

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $329,496 would pay approximately $2,057 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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