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4509 MIRAVAL LOOP, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath1,866 sqftBuilt 2013

Property at a Glance

This home is estimated between $313,899 and $696,099, with a best estimate of $649,579. That places the property above the R420606C - TERAVISTA R5 median of $646,108, in a neighborhood that appreciated 2.5% over the past year.

Estimated Value Range

$313,899 $696,099
Best Estimate
$649,579
WCAD Value
$498,924
Medium Confidence

Based on 5 comparable properties(3 in the same subdivision)

Based on 5 comparable properties (3 in the same subdivision, 2 nearby), the estimated range is $313,899 and $696,099. More comparables in the same subdivision would strengthen this estimate.

Comparable Properties (5)

4516 MIRAVAL LOOP, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,984 sqft Built 2013
Raw Value $730,242
Adjusted Value $696,099

Adjusted -$34,143 for 118 sqft less living space. Net adjustment: -$34,143.

4535 MIRAVAL LOOP, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,836 sqft Built 2013
Raw Value $640,899
Adjusted Value $649,579

Adjusted +$8,680 for 30 sqft more living space. Net adjustment: +$8,680.

4517 MIRAVAL LOOP, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,977 sqft Built 2013
Raw Value $689,730
Adjusted Value $657,613

Adjusted -$32,117 for 111 sqft less living space. Net adjustment: -$32,117.

4 bed 3 bath 1,975 sqft Built 2018
Raw Value $377,228
Adjusted Value $313,899

Adjusted -$31,539 for 109 sqft less living space and -$31,790 for being older. Net adjustment: -$63,329.

4 bed 2 bath 1,819 sqft Built 2015
Raw Value $481,016
Adjusted Value $481,899

Adjusted +$13,599 for 47 sqft more living space and -$12,716 for being older. Net adjustment: +$883.

The Neighborhood

This home is valued 22.8% below the R420606C - TERAVISTA R5 median of $646,108. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 2.5% over the past year.

R420606C - TERAVISTA R5

below average
622 Properties
$646,108 Median Value
+2.5% YoY Change
1% Have Pool
99% Have Garage
This Home
$498,924
Median
$646,108

This home is -22.8% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,735 across all districts. With a homestead exemption claimed, that drops to $6,409 — saving $1,326 per year. That's $534 per month a buyer should budget. The assessed value increased +34.3% vs the subdivision average of +2.5%. This above-average increase gives a protest opportunity score of 100 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$3,650
Williamson CountyCounty0.3694%$1,510
Williamson County MUD #11MUD0.3656%$1,494
Austin Community Collegespecial0.1034%$423
Williamson County ESD #9 - Round RockESD0.0999%$408
Williamson County FM/RdCounty0.0443%$181
Upper Brushy Creek WCIDWater0.0170%$69
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8928%$7,735
100 / 100

There may be a strong case to protest this appraisal.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $649,579 would pay approximately $4,055 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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