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3731 TOP ROCK LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,202 sqftBuilt 1997

Property at a Glance

This home is estimated between $231,495 and $412,197, with a best estimate of $274,277. 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

$231,495 $412,197
Best Estimate
$274,277
WCAD Value
$474,752
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 $231,495 and $412,197. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3730 TOP ROCK LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,036 sqft Built 1996
Raw Value $425,124
Adjusted Value $253,943

Adjusted -$169,780 for 834 sqft less living space and -$1,401 for being older. Net adjustment: -$171,181.

3734 TOP ROCK LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,236 sqft Built 1996
Raw Value $282,599
Adjusted Value $274,277

Adjusted -$6,921 for 34 sqft less living space and -$1,401 for being older. Net adjustment: -$8,322.

3768 TOP ROCK LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,540 sqft Built 1999
Raw Value $297,501
Adjusted Value $231,495

Adjusted -$68,808 for 338 sqft less living space and +$2,802 for being newer. Net adjustment: -$66,006.

3742 TOP ROCK LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,445 sqft Built 1996
Raw Value $456,413
Adjusted Value $405,544

Adjusted -$49,468 for 243 sqft less living space and -$1,401 for being older. Net adjustment: -$50,869.

3720 TOP ROCK LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,445 sqft Built 1997
Raw Value $461,665
Adjusted Value $412,197

Adjusted -$49,468 for 243 sqft less living space. Net adjustment: -$49,468.

The Neighborhood

This home is valued 28.9% above the R107503F - PRESERVE AT STONE OAK - PH 3 & 4 median of $368,194. With 1,045 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 10.9% over the past year.

R107503F - PRESERVE AT STONE OAK - PH 3 & 4

above average
1,045 Properties
$368,194 Median Value
-10.9% YoY Change
1% Have Pool
99% Have Garage
This Home
$474,752
Median
$368,194

This home is +28.9% above the subdivision median.

Tax Analysis

The estimated annual property tax is $8,542 across all districts. With a homestead exemption claimed, that drops to $7,204 — saving $1,338 per year. That's $600 per month a buyer should budget. The assessed value increased -5.0% vs the subdivision average of -10.9%. This above-average increase gives a protest opportunity score of 30 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$4,240
Round RockCity0.3720%$1,766
Williamson CountyCounty0.3694%$1,754
Austin Community Collegespecial0.1034%$491
Williamson County FM/RdCounty0.0443%$210
Upper Brushy Creek WCIDWater0.0170%$81
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$8,542
30 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $274,277 would pay approximately $1,712 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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