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4308 CONTRAIL LN, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

5 bed4 bath1,596 sqftBuilt 2023

Property at a Glance

This home is estimated between $489,022 and $526,028, with a best estimate of $523,426. 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

$489,022 $526,028
Best Estimate
$523,426
WCAD Value
$529,556
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 $489,022 and $526,028. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

4321 CONTRAIL LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
5 bed 4 bath 1,599 sqft Built 2024
Raw Value $528,377
Adjusted Value $525,533

Adjusted -$882 for 3 sqft less living space and -$1,962 for being older. Net adjustment: -$2,844.

4340 CONTRAIL LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
5 bed 4 bath 1,614 sqft Built 2024
Raw Value $530,681
Adjusted Value $523,426

Adjusted -$5,293 for 18 sqft less living space and -$1,962 for being older. Net adjustment: -$7,255.

4333 CONTRAIL LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
5 bed 4 bath 1,599 sqft Built 2024
Raw Value $528,872
Adjusted Value $526,028

Adjusted -$882 for 3 sqft less living space and -$1,962 for being older. Net adjustment: -$2,844.

4341 CONTRAIL LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
5 bed 4 bath 1,579 sqft Built 2024
Raw Value $491,670
Adjusted Value $494,707

Adjusted +$4,999 for 17 sqft more living space and -$1,962 for being older. Net adjustment: +$3,037.

4332 CONTRAIL LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
5 bed 4 bath 1,579 sqft Built 2024
Raw Value $485,985
Adjusted Value $489,022

Adjusted +$4,999 for 17 sqft more living space and -$1,962 for being older. Net adjustment: +$3,037.

The Neighborhood

This home is valued 8.0% above the G507521B - UNI HEIGHTS median of $490,141. With 173 homes in the subdivision, the property sits in the upper tier. 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
$529,556
Median
$490,141

This home is +8.0% above the subdivision median.

Tax Analysis

The estimated annual property tax is $9,815 across all districts. With a homestead exemption claimed, that drops to $8,246 — saving $1,569 per year. That's $687 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%$5,564
Round RockCity0.3720%$1,970
Williamson CountyCounty0.3694%$1,956
Williamson County FM/RdCounty0.0443%$235
Upper Brushy Creek WCIDWater0.0170%$90
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8534%$9,815

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $523,426 would pay approximately $3,267 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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