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2505 HILLTOP ST, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath2,353 sqftBuilt 1981

Property at a Glance

This home is estimated between $533,146 and $622,895, with a best estimate of $613,165. 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

$533,146 $622,895
Best Estimate
$613,165
WCAD Value
$589,328
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 $533,146 and $622,895 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 $543,768

Adjusted +$88,516 for 309 sqft more living space. Net adjustment: +$88,516.

3 bed 2 bath 1,971 sqft Built 1975
Raw Value $496,156
Adjusted Value $622,895

Adjusted +$109,428 for 382 sqft more living space and +$17,311 for being newer. Net adjustment: +$126,739.

3 bed 2 bath 1,877 sqft Built 1984
Raw Value $405,447
Adjusted Value $533,146

Adjusted +$136,355 for 476 sqft more living space and -$8,656 for being older. Net adjustment: +$127,699.

4 bed 2 bath 1,934 sqft Built 1978
Raw Value $484,482
Adjusted Value $613,165

Adjusted +$120,027 for 419 sqft more living space and +$8,656 for being newer. Net adjustment: +$128,683.

3 bed 2 bath 1,626 sqft Built 1977
Raw Value $398,588
Adjusted Value $618,385

Adjusted +$208,256 for 727 sqft more living space and +$11,541 for being newer. Net adjustment: +$219,797.

The Neighborhood

This home is valued 11.2% 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
$589,328
Median
$663,354

This home is -11.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $11,280 across all districts. With a homestead exemption claimed, that drops to $9,921 — saving $1,359 per year. That's $827 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%$5,263
Brushy Creek MUDMUD0.3868%$2,280
Williamson CountyCounty0.3694%$2,177
Austin Community Collegespecial0.1034%$609
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$589
Williamson County FM/RdCounty0.0443%$261
Upper Brushy Creek WCIDWater0.0170%$100
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9141%$11,280

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $613,165 would pay approximately $3,827 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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