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

625 CIRCLE AVE, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

2 bed1 bath1,055 sqftBuilt 1940

Property at a Glance

This home is estimated between $93,399 and $393,674, with a best estimate of $365,629. That places the property above the R701575F - OLD TOWN ROUND ROCK median of $319,256, in a neighborhood that appreciated 4.3% over the past year.

Estimated Value Range

$93,399 $393,674
Best Estimate
$365,629
WCAD Value
$422,495
High Confidence

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

Based on 5 comparable properties in R701575F - OLD TOWN ROUND ROCK, this home's estimated market value is between $93,399 and $393,674. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

610 CIRCLE AVE, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
2 bed 1 bath 736 sqft Built 1940
Raw Value $293,526
Adjusted Value $375,433

Adjusted +$81,907 for 319 sqft more living space. Net adjustment: +$81,907.

1416 CIRCLE DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
2 bed 1 bath 1,040 sqft Built 1950
Raw Value $244,891
Adjusted Value $93,399

Adjusted +$3,851 for 15 sqft more living space and -$30,923 for being older and -$124,420 for no garage. Net adjustment: -$151,492.

605 CIRCLE AVE, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
2 bed 1 bath 992 sqft Built 1940
Raw Value $377,498
Adjusted Value $393,674

Adjusted +$16,176 for 63 sqft more living space. Net adjustment: +$16,176.

612 CIRCLE AVE, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
2 bed 1 bath 693 sqft Built 1940
Raw Value $272,682
Adjusted Value $365,629

Adjusted +$92,947 for 362 sqft more living space. Net adjustment: +$92,947.

620 CIRCLE AVE, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
2 bed 1 bath 910 sqft Built 1940
Raw Value $338,320
Adjusted Value $251,130

Adjusted +$37,230 for 145 sqft more living space and -$124,420 for no garage. Net adjustment: -$87,190.

The Neighborhood

This home is valued 32.3% above the R701575F - OLD TOWN ROUND ROCK median of $319,256. With 360 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 4.3% over the past year.

R701575F - OLD TOWN ROUND ROCK

above average
360 Properties
$319,256 Median Value
+4.3% YoY Change
5% Have Pool
24% Have Garage
This Home
$422,495
Median
$319,256

This home is +32.3% above the subdivision median.

Tax Analysis

The estimated annual property tax is $7,413 across all districts. With a homestead exemption claimed, that drops to $6,087 — saving $1,326 per year. That's $507 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%$3,680
Round RockCity0.3720%$1,533
Williamson CountyCounty0.3694%$1,522
Austin Community Collegespecial0.1034%$426
Williamson County FM/RdCounty0.0443%$183
Upper Brushy Creek WCIDWater0.0170%$70
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$7,413

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $365,629 would pay approximately $2,282 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