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1531 RED BUD LN, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed54,600 sqftBuilt 2021

Property at a Glance

This home is estimated between $13,032,509 and $13,943,998, with a best estimate of $13,164,862.

Estimated Value Range

$13,032,509 $13,943,998
Best Estimate
$13,164,862
WCAD Value
$3,990,585
Low Confidence

Based on 5 comparable properties(0 in the same subdivision)

There are 5 comparable properties within range, but none are in R20IV - VEHICLE & BOAT STORAGE. The estimated range of $13,032,509 and $13,943,998 should be treated as a rough guide.

Comparable Properties (5)

3 bed 22,800 sqft Built 2023
Raw Value $6,265,539
Adjusted Value $13,943,998

Adjusted +$7,678,257 for 31,800 sqft more living space and +$202 for being newer. Net adjustment: +$7,678,459.

3 bed 2 bath 2,650 sqft Built 2014
Raw Value $549,843
Adjusted Value $13,032,509

Adjusted +$12,543,567 for 51,950 sqft more living space and -$708 for being older and -$60,193 for no garage. Net adjustment: +$12,482,666.

3 bed 3 bath 534 sqft Built 2015
Raw Value $505,102
Adjusted Value $13,498,787

Adjusted +$13,054,485 for 54,066 sqft more living space and -$607 for being older and -$60,193 for no garage. Net adjustment: +$12,993,685.

3 bed 2 bath 2,023 sqft Built 2010
Raw Value $455,279
Adjusted Value $13,088,932

Adjusted +$12,694,959 for 52,577 sqft more living space and -$1,113 for being older and -$60,193 for no garage. Net adjustment: +$12,633,653.

4 bed 3 bath 2,278 sqft Built 2014
Raw Value $592,375
Adjusted Value $13,164,862

Adjusted +$12,633,388 for 52,322 sqft more living space and -$708 for being older and -$60,193 for no garage. Net adjustment: +$12,572,487.

The Neighborhood

Subdivision comparison data is not available for this property.

Tax Analysis

The estimated annual property tax is $54,214 across all districts. With a homestead exemption claimed, that drops to $52,308 — saving $1,906 per year. That's $4,359 per month a buyer should budget. The assessed value increased +34.9%. This 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%$31,704
Williamson CountyCounty0.3694%$13,115
Austin Community Collegespecial0.1034%$3,671
Williamson County ESD #9 - Round RockESD0.0999%$3,547
Williamson County FM/RdCounty0.0443%$1,574
Upper Brushy Creek WCIDWater0.0170%$603
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5272%$54,214
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 $13,164,862 would pay approximately $82,175 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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