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5133 AUTUMN SUNSET BLVD, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath697 sqftBuilt 2023

Property at a Glance

This home is estimated between $387,419 and $420,099, with a best estimate of $392,097. That places the property above the R450X - Round Rock East - Duplex median of $355,449, in a neighborhood that declined 8.7% over the past year.

Estimated Value Range

$387,419 $420,099
Best Estimate
$392,097
WCAD Value
$420,099
High Confidence

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

Based on 5 comparable properties in R450X - Round Rock East - Duplex, this home's estimated market value is between $387,419 and $420,099. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

5117 AUTUMN SUNSET BLVD, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 676 sqft Built 2023
Raw Value $388,016
Adjusted Value $392,097

Adjusted +$4,081 for 21 sqft more living space. Net adjustment: +$4,081.

5121 AUTUMN SUNSET BLVD, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 676 sqft Built 2023
Raw Value $388,016
Adjusted Value $392,097

Adjusted +$4,081 for 21 sqft more living space. Net adjustment: +$4,081.

5129 AUTUMN SUNSET BLVD, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 697 sqft Built 2023
Raw Value $420,099
Adjusted Value $420,099

This comparable closely matches the subject property's features.

5137 AUTUMN SUNSET BLVD, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 676 sqft Built 2023
Raw Value $383,338
Adjusted Value $387,419

Adjusted +$4,081 for 21 sqft more living space. Net adjustment: +$4,081.

5141 AUTUMN SUNSET BLVD, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 676 sqft Built 2023
Raw Value $383,338
Adjusted Value $387,419

Adjusted +$4,081 for 21 sqft more living space. Net adjustment: +$4,081.

The Neighborhood

This home is valued 18.2% above the R450X - Round Rock East - Duplex median of $355,449. With 836 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 8.7% over the past year.

R450X - Round Rock East - Duplex

above average
836 Properties
$355,449 Median Value
-8.7% YoY Change
0% Have Pool
84% Have Garage
This Home
$420,099
Median
$355,449

This home is +18.2% above the subdivision median.

Tax Analysis

The estimated annual property tax is $7,786 across all districts. With a homestead exemption claimed, that drops to $6,238 — saving $1,548 per year. That's $520 per month a buyer should budget. The assessed value increased -2.0% vs the subdivision average of -8.7%. This above-average increase gives a protest opportunity score of 34 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Georgetown ISDSchool1.0506%$4,414
Round RockCity0.3720%$1,563
Williamson CountyCounty0.3694%$1,552
Williamson County FM/RdCounty0.0443%$186
Upper Brushy Creek WCIDWater0.0170%$71
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8534%$7,786
34 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $392,097 would pay approximately $2,447 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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