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

3508 ROCK SHELF LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath705 sqftBuilt 2000

Property at a Glance

This home is estimated between $277,592 and $335,987, with a best estimate of $321,169. 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

$277,592 $335,987
Best Estimate
$321,169
WCAD Value
$308,289
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 $277,592 and $335,987. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3596 ROCK SHELF LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 807 sqft Built 2002
Raw Value $295,554
Adjusted Value $277,592

Adjusted -$20,764 for 102 sqft less living space and +$2,802 for being newer. Net adjustment: -$17,962.

3602 ROCK SHELF LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 847 sqft Built 2002
Raw Value $362,092
Adjusted Value $335,987

Adjusted -$28,907 for 142 sqft less living space and +$2,802 for being newer. Net adjustment: -$26,105.

3605 ROCK SHELF LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,000 sqft Built 2002
Raw Value $378,421
Adjusted Value $321,169

Adjusted -$60,054 for 295 sqft less living space and +$2,802 for being newer. Net adjustment: -$57,252.

3506 ROCK SHELF LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 920 sqft Built 2000
Raw Value $371,107
Adjusted Value $327,339

Adjusted -$43,768 for 215 sqft less living space. Net adjustment: -$43,768.

3604 ROCK SHELF LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 985 sqft Built 2003
Raw Value $345,238
Adjusted Value $292,440

Adjusted -$57,000 for 280 sqft less living space and +$4,202 for being newer. Net adjustment: -$52,798.

The Neighborhood

This home is valued 16.3% 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

below average
1,045 Properties
$368,194 Median Value
-10.9% YoY Change
1% Have Pool
99% Have Garage
This Home
$308,289
Median
$368,194

This home is -16.3% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,547 across all districts. With a homestead exemption claimed, that drops to $4,240 — saving $1,307 per year. That's $353 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%$2,753
Round RockCity0.3720%$1,147
Williamson CountyCounty0.3694%$1,139
Austin Community Collegespecial0.1034%$319
Williamson County FM/RdCounty0.0443%$137
Upper Brushy Creek WCIDWater0.0170%$52
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,547

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $321,169 would pay approximately $2,005 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