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340 SANTOLINA LN, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

4 bed2 bath1,621 sqftBuilt 2003

Property at a Glance

This home is estimated between $189,509 and $844,971, with a best estimate of $528,544. 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

$189,509 $844,971
Best Estimate
$528,544
WCAD Value
$571,615
Medium Confidence

Based on 5 comparable properties(3 in the same subdivision)

Based on 5 comparable properties (3 in the same subdivision, 2 nearby), the estimated range is $189,509 and $844,971. More comparables in the same subdivision would strengthen this estimate.

Comparable Properties (5)

317 SANTOLINA LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,024 sqft Built 2003
Raw Value $367,107
Adjusted Value $292,418

Adjusted -$74,689 for 403 sqft less living space. Net adjustment: -$74,689.

312 SANTOLINA LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,601 sqft Built 2003
Raw Value $575,225
Adjusted Value $578,932

Adjusted +$3,707 for 20 sqft more living space. Net adjustment: +$3,707.

4 bed 2 bath 1,810 sqft Built 1995
Raw Value $508,625
Adjusted Value $528,544

Adjusted -$35,028 for 189 sqft less living space and +$54,947 for being newer. Net adjustment: +$19,919.

313 SANTOLINA LN, ROUND ROCK, TX 78664
0.00 mi 98% similar Same subdivision
4 bed 2 bath 3,209 sqft Built 2003
Raw Value $483,818
Adjusted Value $189,509

Adjusted -$294,309 for 1,588 sqft less living space. Net adjustment: -$294,309.

4 bed 2 bath 1,920 sqft Built 1992
Raw Value $824,834
Adjusted Value $844,971

Adjusted -$55,415 for 299 sqft less living space and +$75,552 for being newer. Net adjustment: +$20,137.

The Neighborhood

This home is valued 42.8% 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

above average
270 Properties
$400,408 Median Value
-3.0% YoY Change
3% Have Pool
99% Have Garage
This Home
$571,615
Median
$400,408

This home is +42.8% above the subdivision median.

Tax Analysis

The estimated annual property tax is $8,730 across all districts. With a homestead exemption claimed, that drops to $7,374 — saving $1,356 per year. That's $615 per month a buyer should budget. The assessed value increased +6.7% vs the subdivision average of -3.0%. This above-average increase gives a protest opportunity score of 64 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$5,105
Williamson CountyCounty0.3694%$2,112
Austin Community Collegespecial0.1034%$591
Williamson County ESD #9 - Round RockESD0.0999%$571
Williamson County FM/RdCounty0.0443%$253
Upper Brushy Creek WCIDWater0.0170%$97
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5272%$8,730
64 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $528,544 would pay approximately $3,299 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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