Beta Williamson County, TX only — data and coverage are limited during early access.

3771 TOP ROCK LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath730 sqftBuilt 1999

Property at a Glance

This home is estimated between $302,733 and $323,331, with a best estimate of $314,933. That places the property below the R107503F - PRESERVE AT STONE OAK - PH 3 & 4 median of $368,194, in a neighborhood that declined 10.9% over the past year.

Estimated Value Range

$302,733 $323,331
Best Estimate
$314,933
WCAD Value
$351,708
High Confidence

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

Based on 5 comparable properties in R107503F - PRESERVE AT STONE OAK - PH 3 & 4, this home's estimated market value is between $302,733 and $323,331. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3804 TOP ROCK LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,001 sqft Built 1999
Raw Value $357,901
Adjusted Value $302,733

Adjusted -$55,168 for 271 sqft less living space. Net adjustment: -$55,168.

3811 TOP ROCK LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 710 sqft Built 1999
Raw Value $310,862
Adjusted Value $314,933

Adjusted +$4,071 for 20 sqft more living space. Net adjustment: +$4,071.

3772 TOP ROCK LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 920 sqft Built 1999
Raw Value $362,010
Adjusted Value $323,331

Adjusted -$38,679 for 190 sqft less living space. Net adjustment: -$38,679.

3762 TOP ROCK LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 966 sqft Built 1999
Raw Value $358,110
Adjusted Value $310,067

Adjusted -$48,043 for 236 sqft less living space. Net adjustment: -$48,043.

3770 TOP ROCK LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 686 sqft Built 1999
Raw Value $307,558
Adjusted Value $316,515

Adjusted +$8,957 for 44 sqft more living space. Net adjustment: +$8,957.

The Neighborhood

This home is valued 4.5% below the R107503F - PRESERVE AT STONE OAK - PH 3 & 4 median of $368,194. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 10.9% over the past year.

R107503F - PRESERVE AT STONE OAK - PH 3 & 4

typical
1,045 Properties
$368,194 Median Value
-10.9% YoY Change
1% Have Pool
99% Have Garage
This Home
$351,708
Median
$368,194

This home is -4.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,328 across all districts. With a homestead exemption claimed, that drops to $5,013 — saving $1,315 per year. That's $418 per month a buyer should budget. The assessed value increased -3.3% vs the subdivision average of -10.9%. This above-average increase gives a protest opportunity score of 38 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$3,141
Round RockCity0.3720%$1,308
Williamson CountyCounty0.3694%$1,299
Austin Community Collegespecial0.1034%$364
Williamson County FM/RdCounty0.0443%$156
Upper Brushy Creek WCIDWater0.0170%$60
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,328
38 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $314,933 would pay approximately $1,966 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.

View full property details