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20 TATE LN, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed22,318 sqftBuilt 1980

Property at a Glance

This home is estimated between $5,249,121 and $5,447,155, with a best estimate of $5,341,142.

Estimated Value Range

$5,249,121 $5,447,155
Best Estimate
$5,341,142
WCAD Value
$6,465,386
Low Confidence

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

There are 5 comparable properties within range, but none are in R20QA - Apartment Complex-e Round Rock. The estimated range of $5,249,121 and $5,447,155 should be treated as a rough guide.

Comparable Properties (5)

3 bed 4 bath 1,711 sqft Built 1984
Raw Value $333,254
Adjusted Value $5,249,121

Adjusted +$4,975,655 for 20,607 sqft more living space and +$405 for being newer and -$60,193 for no garage. Net adjustment: +$4,915,867.

4 bed 3 bath 2,442 sqft Built 1984
Raw Value $707,791
Adjusted Value $5,447,155

Adjusted +$4,799,152 for 19,876 sqft more living space and +$405 for being newer and -$60,193 for no garage. Net adjustment: +$4,739,364.

3 bed 2 bath 1,865 sqft Built 1998
Raw Value $461,043
Adjusted Value $5,341,142

Adjusted +$4,938,471 for 20,453 sqft more living space and +$1,821 for being newer and -$60,193 for no garage. Net adjustment: +$4,880,099.

3 bed 2 bath 2,282 sqft Built 2000
Raw Value $492,687
Adjusted Value $5,272,302

Adjusted +$4,837,785 for 20,036 sqft more living space and +$2,023 for being newer and -$60,193 for no garage. Net adjustment: +$4,779,615.

3 bed 2 bath 1,796 sqft Built 1999
Raw Value $451,096
Adjusted Value $5,347,956

Adjusted +$4,955,131 for 20,522 sqft more living space and +$1,922 for being newer and -$60,193 for no garage. Net adjustment: +$4,896,860.

The Neighborhood

Subdivision comparison data is not available for this property.

Tax Analysis

The estimated annual property tax is $98,739 across all districts. With a homestead exemption claimed, that drops to $96,294 — saving $2,445 per year. That's $8,025 per month a buyer should budget. The assessed value increased +16.5%. This increase gives a protest opportunity score of 95 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$57,742
Williamson CountyCounty0.3694%$23,886
Austin Community Collegespecial0.1034%$6,685
Williamson County ESD #9 - Round RockESD0.0999%$6,460
Williamson County FM/RdCounty0.0443%$2,866
Upper Brushy Creek WCIDWater0.0170%$1,099
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5272%$98,739
95 / 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 $5,341,142 would pay approximately $33,339 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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