Beta Williamson County, TX only — data and coverage are limited during early access.

1525 PALM VALLEY BLVD E, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed125,849 sqftBuilt 1960

Property at a Glance

This home is estimated between $30,353,124 and $30,529,716, with a best estimate of $30,387,000.

Estimated Value Range

$30,353,124 $30,529,716
Best Estimate
$30,387,000
WCAD Value
$17,890,857
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 $30,353,124 and $30,529,716 should be treated as a rough guide.

Comparable Properties (5)

3 bed 1,745 sqft Built 1965
Raw Value $502,877
Adjusted Value $30,468,866

Adjusted +$29,965,483 for 124,104 sqft more living space and +$506 for being newer. Net adjustment: +$29,965,989.

3 bed 2 bath 1,920 sqft Built 1972
Raw Value $488,875
Adjusted Value $30,353,124

Adjusted +$29,923,228 for 123,929 sqft more living space and +$1,214 for being newer and -$60,193 for no garage. Net adjustment: +$29,864,249.

3 bed 2 bath 1,764 sqft Built 1972
Raw Value $485,084
Adjusted Value $30,387,000

Adjusted +$29,960,895 for 124,085 sqft more living space and +$1,214 for being newer and -$60,193 for no garage. Net adjustment: +$29,901,916.

3 bed 2,636 sqft Built 1970
Raw Value $778,358
Adjusted Value $30,529,716

Adjusted +$29,750,347 for 123,213 sqft more living space and +$1,011 for being newer. Net adjustment: +$29,751,358.

3 bed 2 bath 2,328 sqft Built 1975
Raw Value $611,960
Adjusted Value $30,377,999

Adjusted +$29,824,715 for 123,521 sqft more living space and +$1,517 for being newer and -$60,193 for no garage. Net adjustment: +$29,766,039.

The Neighborhood

Subdivision comparison data is not available for this property.

Tax Analysis

The estimated annual property tax is $321,906 across all districts. With a homestead exemption claimed, that drops to $317,351 — saving $4,555 per year. That's $26,446 per month a buyer should budget. The assessed value increased -3.3%. This increase gives a protest opportunity score of 50 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$159,783
Round RockCity0.3720%$66,554
Williamson CountyCounty0.3694%$66,097
Austin Community Collegespecial0.1034%$18,499
Williamson County FM/RdCounty0.0443%$7,931
Upper Brushy Creek WCIDWater0.0170%$3,041
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$321,906
50 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $30,387,000 would pay approximately $189,675 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.

View full property details