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4309 CONTRAIL LN, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath1,580 sqftBuilt 2024

Property at a Glance

This home is estimated between $309,880 and $662,317, with a best estimate of $522,789. 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

$309,880 $662,317
Best Estimate
$522,789
WCAD Value
$482,909
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 $309,880 and $662,317. 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 $522,789

Adjusted -$5,588 for 19 sqft less living space. Net adjustment: -$5,588.

4301 CONTRAIL LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,039 sqft Built 2024
Raw Value $444,863
Adjusted Value $309,880

Adjusted -$134,983 for 459 sqft less living space. Net adjustment: -$134,983.

4305 CONTRAIL LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 972 sqft Built 2024
Raw Value $483,516
Adjusted Value $662,317

Adjusted +$178,801 for 608 sqft more living space. Net adjustment: +$178,801.

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 $520,682

Adjusted -$9,999 for 34 sqft less living space. Net adjustment: -$9,999.

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 $523,284

Adjusted -$5,588 for 19 sqft less living space. Net adjustment: -$5,588.

The Neighborhood

This home is valued 1.5% 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
$482,909
Median
$490,141

This home is -1.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,950 across all districts. With a homestead exemption claimed, that drops to $7,390 — saving $1,560 per year. That's $616 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%$5,073
Round RockCity0.3720%$1,796
Williamson CountyCounty0.3694%$1,784
Williamson County FM/RdCounty0.0443%$214
Upper Brushy Creek WCIDWater0.0170%$82
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8534%$8,950

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $522,789 would pay approximately $3,263 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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