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3724 TOP ROCK LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,402 sqftBuilt 1998

Property at a Glance

This home is estimated between $270,809 and $451,510, with a best estimate of $313,590. 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

$270,809 $451,510
Best Estimate
$313,590
WCAD Value
$453,323
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 $270,809 and $451,510. 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 $293,257

Adjusted -$129,065 for 634 sqft less living space and -$2,802 for being older. Net adjustment: -$131,867.

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 $313,590

Adjusted +$33,793 for 166 sqft more living space and -$2,802 for being older. Net adjustment: +$30,991.

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 $270,809

Adjusted -$28,093 for 138 sqft less living space and +$1,401 for being newer. Net adjustment: -$26,692.

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 $444,857

Adjusted -$8,754 for 43 sqft less living space and -$2,802 for being older. Net adjustment: -$11,556.

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 $451,510

Adjusted -$8,754 for 43 sqft less living space and -$1,401 for being older. Net adjustment: -$10,155.

The Neighborhood

This home is valued 23.1% 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
$453,323
Median
$368,194

This home is +23.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $8,157 across all districts. With a homestead exemption claimed, that drops to $6,822 — saving $1,335 per year. That's $569 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%$4,049
Round RockCity0.3720%$1,686
Williamson CountyCounty0.3694%$1,675
Austin Community Collegespecial0.1034%$469
Williamson County FM/RdCounty0.0443%$201
Upper Brushy Creek WCIDWater0.0170%$77
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$8,157

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $313,590 would pay approximately $1,957 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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