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502 PETERSON ST, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,100 sqftBuilt 1990

Property at a Glance

This home is estimated between $304,579 and $424,593, with a best estimate of $343,547. That places the property above the R505490H - DOVE CREEK & TWIN RIDGE - GE 1985 median of $318,314, in a neighborhood that declined 16.9% over the past year.

Estimated Value Range

$304,579 $424,593
Best Estimate
$343,547
WCAD Value
$353,560
High Confidence

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

Based on 5 comparable properties in R505490H - DOVE CREEK & TWIN RIDGE - GE 1985, this home's estimated market value is between $304,579 and $424,593. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

404 PETERSON ST, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,019 sqft Built 1992
Raw Value $318,314
Adjusted Value $316,523

Adjusted +$25,424 for 81 sqft more living space and -$27,215 for being older. Net adjustment: -$1,791.

506 PETERSON ST, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 638 sqft Built 1990
Raw Value $279,583
Adjusted Value $424,593

Adjusted +$145,010 for 462 sqft more living space. Net adjustment: +$145,010.

500 PETERSON ST, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,015 sqft Built 1990
Raw Value $318,262
Adjusted Value $344,941

Adjusted +$26,679 for 85 sqft more living space. Net adjustment: +$26,679.

505 PETERSON ST, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,354 sqft Built 1990
Raw Value $384,303
Adjusted Value $304,579

Adjusted -$79,724 for 254 sqft less living space. Net adjustment: -$79,724.

501 PETERSON ST, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,032 sqft Built 1991
Raw Value $335,812
Adjusted Value $343,547

Adjusted +$21,343 for 68 sqft more living space and -$13,608 for being older. Net adjustment: +$7,735.

The Neighborhood

This home is valued 11.1% above the R505490H - DOVE CREEK & TWIN RIDGE - GE 1985 median of $318,314. With 37 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 16.9% over the past year.

R505490H - DOVE CREEK & TWIN RIDGE - GE 1985

typical
37 Properties
$318,314 Median Value
-16.9% YoY Change
0% Have Pool
100% Have Garage
This Home
$353,560
Median
$318,314

This home is +11.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,362 across all districts. With a homestead exemption claimed, that drops to $5,046 — saving $1,316 per year. That's $421 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%$3,158
Round RockCity0.3720%$1,315
Williamson CountyCounty0.3694%$1,306
Austin Community Collegespecial0.1034%$366
Williamson County FM/RdCounty0.0443%$157
Upper Brushy Creek WCIDWater0.0170%$60
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,362

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $343,547 would pay approximately $2,144 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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