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

101 SANTOLINA LN, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

4 bed2 bath2,383 sqftBuilt 2005

Property at a Glance

This home is estimated between $461,728 and $721,386, with a best estimate of $475,484. That places the property above the R651598E - MORNINGSIDE MEADOWS SEC 1&7, K & B median of $400,408, in a neighborhood that declined 3.0% over the past year.

Estimated Value Range

$461,728 $721,386
Best Estimate
$475,484
WCAD Value
$626,298
Low Confidence

Based on 5 comparable properties(1 in the same subdivision)

There are 5 comparable properties within range, but few are in R651598E - MORNINGSIDE MEADOWS SEC 1&7, K & B. The estimated range of $461,728 and $721,386 should be treated as a rough guide.

Comparable Properties (5)

101 SULTANA CT, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,878 sqft Built 2006
Raw Value $634,661
Adjusted Value $721,386

Adjusted +$93,593 for 505 sqft more living space and -$6,868 for being older. Net adjustment: +$86,725.

3 bed 2 bath 1,669 sqft Built 2000
Raw Value $308,814
Adjusted Value $475,484

Adjusted +$132,328 for 714 sqft more living space and +$34,342 for being newer. Net adjustment: +$166,670.

3 bed 2 bath 2,056 sqft Built 1985
Raw Value $362,710
Adjusted Value $560,682

Adjusted +$60,604 for 327 sqft more living space and +$137,368 for being newer. Net adjustment: +$197,972.

3 bed 2 bath 1,776 sqft Built 2017
Raw Value $431,652
Adjusted Value $461,728

Adjusted +$112,497 for 607 sqft more living space and -$82,421 for being older. Net adjustment: +$30,076.

3 bed 2 bath 1,518 sqft Built 2002
Raw Value $293,216
Adjusted Value $474,134

Adjusted +$160,313 for 865 sqft more living space and +$20,605 for being newer. Net adjustment: +$180,918.

The Neighborhood

This home is valued 56.4% above the R651598E - MORNINGSIDE MEADOWS SEC 1&7, K & B median of $400,408. With 270 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 3.0% over the past year.

R651598E - MORNINGSIDE MEADOWS SEC 1&7, K & B

outlier high
270 Properties
$400,408 Median Value
-3.0% YoY Change
3% Have Pool
99% Have Garage
This Home
$626,298
Median
$400,408

This home is +56.4% above the subdivision median.

Tax Analysis

The estimated annual property tax is $9,565 across all districts. With a homestead exemption claimed, that drops to $8,199 — saving $1,366 per year. That's $683 per month a buyer should budget. The assessed value increased +6.4% vs the subdivision average of -3.0%. This above-average increase gives a protest opportunity score of 62 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$5,593
Williamson CountyCounty0.3694%$2,314
Austin Community Collegespecial0.1034%$648
Williamson County ESD #9 - Round RockESD0.0999%$626
Williamson County FM/RdCounty0.0443%$278
Upper Brushy Creek WCIDWater0.0170%$106
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5272%$9,565
62 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $475,484 would pay approximately $2,968 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