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4640 COLLEGE SQUARE DR, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed2 bath1,717 sqftBuilt 2021

Property at a Glance

This home is estimated between $447,712 and $525,036, with a best estimate of $514,756. 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

$447,712 $525,036
Best Estimate
$514,756
WCAD Value
$397,657
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 $447,712 and $525,036. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

4403 COLLEGE SQUARE DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
5 bed 4 bath 1,795 sqft Built 2025
Raw Value $545,542
Adjusted Value $514,756

Adjusted -$22,938 for 78 sqft less living space and -$7,848 for being older. Net adjustment: -$30,786.

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 $522,432

Adjusted -$34,701 for 118 sqft less living space and -$7,848 for being older. Net adjustment: -$42,549.

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 $489,537

Adjusted -$37,054 for 126 sqft less living space and -$5,886 for being older. Net adjustment: -$42,940.

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 $525,036

Adjusted -$26,467 for 90 sqft less living space and -$3,924 for being older. Net adjustment: -$30,391.

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 $447,712

Adjusted -$98,811 for 336 sqft less living space and -$7,848 for being older. Net adjustment: -$106,659.

The Neighborhood

This home is valued 18.9% 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

below average
173 Properties
$490,141 Median Value
+51.6% YoY Change
0% Have Pool
99% Have Garage
This Home
$397,657
Median
$490,141

This home is -18.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,370 across all districts. With a homestead exemption claimed, that drops to $5,826 — saving $1,544 per year. That's $486 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%$4,178
Round RockCity0.3720%$1,479
Williamson CountyCounty0.3694%$1,469
Williamson County FM/RdCounty0.0443%$176
Upper Brushy Creek WCIDWater0.0170%$68
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8534%$7,370

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $514,756 would pay approximately $3,213 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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