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3917 HILLSIDE DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath877 sqftBuilt 1979

Property at a Glance

This home is estimated between $188,871 and $406,818, with a best estimate of $236,408. 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

$188,871 $406,818
Best Estimate
$236,408
WCAD Value
$329,874
Medium Confidence

Based on 5 comparable properties(4 in the same subdivision)

Based on 5 comparable properties (4 in the same subdivision, 1 nearby), the estimated range is $188,871 and $406,818. More comparables in the same subdivision would strengthen this estimate.

Comparable Properties (5)

3609 CORNERSTONE, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,269 sqft Built 1982
Raw Value $290,537
Adjusted Value $198,293

Adjusted -$87,424 for 392 sqft less living space and -$4,820 for being older. Net adjustment: -$92,244.

3115 FREEMONT ST, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,303 sqft Built 1984
Raw Value $347,567
Adjusted Value $244,528

Adjusted -$95,006 for 426 sqft less living space and -$8,033 for being older. Net adjustment: -$103,039.

4001 HILLSIDE DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,133 sqft Built 1979
Raw Value $293,501
Adjusted Value $236,408

Adjusted -$57,093 for 256 sqft less living space. Net adjustment: -$57,093.

2901 MONUMENT DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,212 sqft Built 1982
Raw Value $268,403
Adjusted Value $188,871

Adjusted -$74,712 for 335 sqft less living space and -$4,820 for being older. Net adjustment: -$79,532.

3 bed 2 bath 940 sqft Built 2002
Raw Value $457,821
Adjusted Value $406,818

Adjusted -$14,050 for 63 sqft less living space and -$36,953 for being older. Net adjustment: -$51,003.

The Neighborhood

This home is valued 11.2% 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

typical
871 Properties
$296,542 Median Value
-14.6% YoY Change
2% Have Pool
94% Have Garage
This Home
$329,874
Median
$296,542

This home is +11.2% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,314 across all districts. With a homestead exemption claimed, that drops to $5,003 — saving $1,311 per year. That's $417 per month a buyer should budget. The assessed value increased 0.0% vs the subdivision average of -14.6%. This above-average increase gives a protest opportunity score of 50 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$2,946
Brushy Creek MUDMUD0.3868%$1,276
Williamson CountyCounty0.3694%$1,219
Austin Community Collegespecial0.1034%$341
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$330
Williamson County FM/RdCounty0.0443%$146
Upper Brushy Creek WCIDWater0.0170%$56
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9141%$6,314
50 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $236,408 would pay approximately $1,476 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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