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3718 TOP ROCK LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath2,113 sqftBuilt 1997

Property at a Glance

This home is estimated between $412,331 and $597,652, with a best estimate of $439,398. That places the property above 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

$412,331 $597,652
Best Estimate
$439,398
WCAD Value
$351,313
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 $412,331 and $597,652. 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 $439,398

Adjusted +$15,675 for 77 sqft more living space and -$1,401 for being older. Net adjustment: +$14,274.

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 $416,950

Adjusted +$116,647 for 573 sqft more living space and +$2,802 for being newer. Net adjustment: +$119,449.

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 $590,999

Adjusted +$135,987 for 668 sqft more living space and -$1,401 for being older. Net adjustment: +$134,586.

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 $597,652

Adjusted +$135,987 for 668 sqft more living space. Net adjustment: +$135,987.

3815 TOP ROCK LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,559 sqft Built 1999
Raw Value $296,749
Adjusted Value $412,331

Adjusted +$112,780 for 554 sqft more living space and +$2,802 for being newer. Net adjustment: +$115,582.

The Neighborhood

This home is valued 4.6% 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
$351,313
Median
$368,194

This home is -4.6% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,321 across all districts. With a homestead exemption claimed, that drops to $5,006 — saving $1,315 per year. That's $417 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%$3,138
Round RockCity0.3720%$1,307
Williamson CountyCounty0.3694%$1,298
Austin Community Collegespecial0.1034%$363
Williamson County FM/RdCounty0.0443%$156
Upper Brushy Creek WCIDWater0.0170%$60
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,321

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $439,398 would pay approximately $2,743 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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