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3701 HILLSIDE DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath2,262 sqftBuilt 1978

Property at a Glance

This home is estimated between $499,050 and $694,411, with a best estimate of $557,632. That places the property above the R210480H - Brushy Creek median of $296,542, in a neighborhood that declined 14.6% over the past year.

Estimated Value Range

$499,050 $694,411
Best Estimate
$557,632
WCAD Value
$393,243
Low Confidence

Based on 5 comparable properties(1 in the same subdivision)

There are 5 comparable properties within range, but few are in R210480H - Brushy Creek. The estimated range of $499,050 and $694,411 should be treated as a rough guide.

Comparable Properties (5)

4 bed 2 bath 1,934 sqft Built 1978
Raw Value $484,482
Adjusted Value $557,632

Adjusted +$73,150 for 328 sqft more living space. Net adjustment: +$73,150.

3 bed 2 bath 2,044 sqft Built 1981
Raw Value $455,252
Adjusted Value $499,050

Adjusted +$48,618 for 218 sqft more living space and -$4,820 for being older. Net adjustment: +$43,798.

4 bed 2 bath 1,657 sqft Built 1978
Raw Value $559,484
Adjusted Value $694,411

Adjusted +$134,927 for 605 sqft more living space. Net adjustment: +$134,927.

3 bed 2 bath 1,971 sqft Built 1975
Raw Value $496,156
Adjusted Value $565,875

Adjusted +$64,899 for 291 sqft more living space and +$4,820 for being newer. Net adjustment: +$69,719.

3609 CORNERSTONE, ROUND ROCK, TX 78681
0.00 mi 94% similar Same subdivision
3 bed 2 bath 1,269 sqft Built 1982
Raw Value $290,537
Adjusted Value $505,568

Adjusted +$221,458 for 993 sqft more living space and -$6,427 for being older. Net adjustment: +$215,031.

The Neighborhood

This home is valued 32.6% above the R210480H - Brushy Creek median of $296,542. With 871 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 14.6% over the past year.

R210480H - Brushy Creek

above average
871 Properties
$296,542 Median Value
-14.6% YoY Change
2% Have Pool
94% Have Garage
This Home
$393,243
Median
$296,542

This home is +32.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $7,527 across all districts. With a homestead exemption claimed, that drops to $6,204 — saving $1,323 per year. That's $517 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%$3,512
Brushy Creek MUDMUD0.3868%$1,521
Williamson CountyCounty0.3694%$1,453
Austin Community Collegespecial0.1034%$407
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$393
Williamson County FM/RdCounty0.0443%$174
Upper Brushy Creek WCIDWater0.0170%$67
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9141%$7,527

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $557,632 would pay approximately $3,481 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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