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4305 CONTRAIL LN, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath972 sqftBuilt 2024

Property at a Glance

This home is estimated between $304,108 and $497,397, with a best estimate of $480,507. That places the property below the G507521B - UNI HEIGHTS median of $490,141, in a neighborhood that appreciated 51.6% over the past year.

Estimated Value Range

$304,108 $497,397
Best Estimate
$480,507
WCAD Value
$483,516
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 $304,108 and $497,397. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

4324 CONTRAIL LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 987 sqft Built 2024
Raw Value $486,367
Adjusted Value $481,956

Adjusted -$4,411 for 15 sqft less living space. Net adjustment: -$4,411.

4336 CONTRAIL LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 987 sqft Built 2024
Raw Value $484,918
Adjusted Value $480,507

Adjusted -$4,411 for 15 sqft less living space. Net adjustment: -$4,411.

4309 CONTRAIL LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,580 sqft Built 2024
Raw Value $482,909
Adjusted Value $304,108

Adjusted -$178,801 for 608 sqft less living space. Net adjustment: -$178,801.

4317 CONTRAIL LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,580 sqft Built 2024
Raw Value $482,909
Adjusted Value $304,108

Adjusted -$178,801 for 608 sqft less living space. Net adjustment: -$178,801.

4313 CONTRAIL LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 910 sqft Built 2025
Raw Value $481,126
Adjusted Value $497,397

Adjusted +$18,233 for 62 sqft more living space and -$1,962 for being older. Net adjustment: +$16,271.

The Neighborhood

This home is valued 1.4% 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
$483,516
Median
$490,141

This home is -1.4% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,961 across all districts. With a homestead exemption claimed, that drops to $7,401 — saving $1,560 per year. That's $617 per month a buyer should budget. The assessed value increased +21.4% vs the subdivision average of +51.6%. This increase gives a protest opportunity score of 45 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Georgetown ISDSchool1.0506%$5,080
Round RockCity0.3720%$1,799
Williamson CountyCounty0.3694%$1,786
Williamson County FM/RdCounty0.0443%$214
Upper Brushy Creek WCIDWater0.0170%$82
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8534%$8,961
45 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $480,507 would pay approximately $2,999 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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