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4628 COLLEGE SQUARE DR, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath2,248 sqftBuilt 2021

Property at a Glance

This home is estimated between $553,813 and $681,192, with a best estimate of $645,693. That places the property above the G507521B - UNI HEIGHTS median of $490,141, in a neighborhood that appreciated 51.6% over the past year.

Estimated Value Range

$553,813 $681,192
Best Estimate
$645,693
WCAD Value
$473,942
High Confidence

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

Based on 5 comparable properties in G507521B - UNI HEIGHTS, this home's estimated market value is between $553,813 and $681,192. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

4411 COLLEGE SQUARE DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 4 bath 1,835 sqft Built 2025
Raw Value $564,981
Adjusted Value $678,588

Adjusted +$121,455 for 413 sqft more living space and -$7,848 for being older. Net adjustment: +$113,607.

4529 COLLEGE SQUARE DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
5 bed 4 bath 1,843 sqft Built 2024
Raw Value $532,477
Adjusted Value $645,693

Adjusted +$119,102 for 405 sqft more living space and -$5,886 for being older. Net adjustment: +$113,216.

4621 COLLEGE SQUARE DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
5 bed 4 bath 1,807 sqft Built 2023
Raw Value $555,427
Adjusted Value $681,192

Adjusted +$129,689 for 441 sqft more living space and -$3,924 for being older. Net adjustment: +$125,765.

4407 COLLEGE SQUARE DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 4 bath 2,053 sqft Built 2025
Raw Value $554,371
Adjusted Value $603,869

Adjusted +$57,346 for 195 sqft more living space and -$7,848 for being older. Net adjustment: +$49,498.

4640 COLLEGE SQUARE DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,717 sqft Built 2021
Raw Value $397,657
Adjusted Value $553,813

Adjusted +$156,156 for 531 sqft more living space. Net adjustment: +$156,156.

The Neighborhood

This home is valued 3.3% below the G507521B - UNI HEIGHTS median of $490,141. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 51.6% over the past year.

G507521B - UNI HEIGHTS

typical
173 Properties
$490,141 Median Value
+51.6% YoY Change
0% Have Pool
99% Have Garage
This Home
$473,942
Median
$490,141

This home is -3.3% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,784 across all districts. With a homestead exemption claimed, that drops to $7,226 — saving $1,558 per year. That's $602 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
Georgetown ISDSchool1.0506%$4,979
Round RockCity0.3720%$1,763
Williamson CountyCounty0.3694%$1,751
Williamson County FM/RdCounty0.0443%$210
Upper Brushy Creek WCIDWater0.0170%$81
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8534%$8,784

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $645,693 would pay approximately $4,030 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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