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

504 TEXAS AVE, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,583 sqftBuilt 1995

Property at a Glance

This home is estimated between $159,417 and $649,773, with a best estimate of $354,260. That places the property above the R461493H - Chapel Hill North Sec 3 & 3 (Resub) median of $307,770, in a neighborhood that declined 12.6% over the past year.

Estimated Value Range

$159,417 $649,773
Best Estimate
$354,260
WCAD Value
$298,972
Low Confidence

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

There are 5 comparable properties within range, but none are in R461493H - Chapel Hill North Sec 3 & 3 (Resub). The estimated range of $159,417 and $649,773 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 1,727 sqft Built 2005
Raw Value $316,835
Adjusted Value $354,260

Adjusted -$34,110 for 144 sqft less living space and +$71,535 for being newer. Net adjustment: +$37,425.

3 bed 2 bath 1,902 sqft Built 1999
Raw Value $364,609
Adjusted Value $317,660

Adjusted -$75,563 for 319 sqft less living space and +$28,614 for being newer. Net adjustment: -$46,949.

3 bed 2 bath 1,762 sqft Built 2006
Raw Value $327,465
Adjusted Value $363,753

Adjusted -$42,401 for 179 sqft less living space and +$78,689 for being newer. Net adjustment: +$36,288.

3 bed 2 bath 1,507 sqft Built 1978
Raw Value $263,025
Adjusted Value $159,417

Adjusted +$18,002 for 76 sqft more living space and -$121,610 for being older. Net adjustment: -$103,608.

4 bed 2 bath 1,570 sqft Built 1983
Raw Value $732,536
Adjusted Value $649,773

Adjusted +$3,079 for 13 sqft more living space and -$85,842 for being older. Net adjustment: -$82,763.

The Neighborhood

This home is valued 2.9% below the R461493H - Chapel Hill North Sec 3 & 3 (Resub) median of $307,770. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 12.6% over the past year.

R461493H - Chapel Hill North Sec 3 & 3 (Resub)

typical
58 Properties
$307,770 Median Value
-12.6% YoY Change
3% Have Pool
95% Have Garage
This Home
$298,972
Median
$307,770

This home is -2.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,379 across all districts. With a homestead exemption claimed, that drops to $4,074 — saving $1,305 per year. That's $340 per month a buyer should budget. The assessed value increased roughly in line with the neighborhood, so a tax protest is unlikely to yield significant savings.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$2,670
Round RockCity0.3720%$1,112
Williamson CountyCounty0.3694%$1,105
Austin Community Collegespecial0.1034%$309
Williamson County FM/RdCounty0.0443%$133
Upper Brushy Creek WCIDWater0.0170%$51
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,379

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $354,260 would pay approximately $2,211 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