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507 PETERSON ST, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath988 sqftBuilt 1991

Property at a Glance

This home is estimated between $283,033 and $403,047, with a best estimate of $323,395. 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

$283,033 $403,047
Best Estimate
$323,395
WCAD Value
$329,390
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 $283,033 and $403,047. 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 $294,976

Adjusted -$9,730 for 31 sqft less living space and -$13,608 for being older. Net adjustment: -$23,338.

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 $403,047

Adjusted +$109,856 for 350 sqft more living space and +$13,608 for being newer. Net adjustment: +$123,464.

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 $323,395

Adjusted -$8,475 for 27 sqft less living space and +$13,608 for being newer. Net adjustment: +$5,133.

502 PETERSON ST, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,100 sqft Built 1990
Raw Value $353,560
Adjusted Value $332,014

Adjusted -$35,154 for 112 sqft less living space and +$13,608 for being newer. Net adjustment: -$21,546.

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 $283,033

Adjusted -$114,878 for 366 sqft less living space and +$13,608 for being newer. Net adjustment: -$101,270.

The Neighborhood

This home is valued 3.5% 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
$329,390
Median
$318,314

This home is +3.5% above the subdivision median.

Tax Analysis

The estimated annual property tax is $5,927 across all districts. With a homestead exemption claimed, that drops to $4,615 — saving $1,312 per year. That's $385 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%$2,942
Round RockCity0.3720%$1,225
Williamson CountyCounty0.3694%$1,217
Austin Community Collegespecial0.1034%$341
Williamson County FM/RdCounty0.0443%$146
Upper Brushy Creek WCIDWater0.0170%$56
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,927

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $323,395 would pay approximately $2,019 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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