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

2104 MAGNOLIA DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

4 bed2 bath2,168 sqftBuilt 2025

Property at a Glance

This home is estimated between $451,410 and $667,418, with a best estimate of $497,858. That places the property above the R605477I - South Park, Southern Terrace, Cushing PA median of $311,935, in a neighborhood that appreciated 0.3% over the past year.

Estimated Value Range

$451,410 $667,418
Best Estimate
$497,858
WCAD Value
$527,543
Low Confidence

Based on 5 comparable properties(0 in the same subdivision)

There are 5 comparable properties within range, but none are in R605477I - South Park, Southern Terrace, Cushing PA. The estimated range of $451,410 and $667,418 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 2,167 sqft Built 2012
Raw Value $474,213
Adjusted Value $507,910

Adjusted +$205 for 1 sqft more living space and +$33,492 for being newer. Net adjustment: +$33,697.

4 bed 2 bath 1,788 sqft Built 2011
Raw Value $553,424
Adjusted Value $667,418

Adjusted +$77,925 for 380 sqft more living space and +$36,069 for being newer. Net adjustment: +$113,994.

4 bed 2 bath 2,326 sqft Built 1996
Raw Value $455,545
Adjusted Value $497,858

Adjusted -$32,400 for 158 sqft less living space and +$74,713 for being newer. Net adjustment: +$42,313.

3 bed 2 bath 2,039 sqft Built 2002
Raw Value $365,701
Adjusted Value $451,410

Adjusted +$26,453 for 129 sqft more living space and +$59,256 for being newer. Net adjustment: +$85,709.

4 bed 2 bath 2,491 sqft Built 1998
Raw Value $465,898
Adjusted Value $469,223

Adjusted -$66,236 for 323 sqft less living space and +$69,561 for being newer. Net adjustment: +$3,325.

The Neighborhood

This home is valued 69.1% above the R605477I - South Park, Southern Terrace, Cushing PA median of $311,935. With 125 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 0.3% over the past year.

R605477I - South Park, Southern Terrace, Cushing PA

outlier high
125 Properties
$311,935 Median Value
+0.3% YoY Change
2% Have Pool
61% Have Garage
This Home
$527,543
Median
$311,935

This home is +69.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $9,492 across all districts. With a homestead exemption claimed, that drops to $8,144 — saving $1,348 per year. That's $679 per month a buyer should budget. The assessed value increased +559.4% vs the subdivision average of +0.3%. This above-average increase gives a protest opportunity score of 100 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$4,711
Round RockCity0.3720%$1,962
Williamson CountyCounty0.3694%$1,949
Austin Community Collegespecial0.1034%$545
Williamson County FM/RdCounty0.0443%$234
Upper Brushy Creek WCIDWater0.0170%$90
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$9,492
100 / 100

There may be a strong case to protest this appraisal.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $497,858 would pay approximately $3,108 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