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615 CIRCLE AVE, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

2 bed1 bath894 sqftBuilt 1940

Property at a Glance

This home is estimated between $52,061 and $352,335, with a best estimate of $324,291. 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

$52,061 $352,335
Best Estimate
$324,291
WCAD Value
$288,098
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 $52,061 and $352,335. 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 $334,094

Adjusted +$40,568 for 158 sqft more living space. Net adjustment: +$40,568.

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 $52,061

Adjusted -$37,487 for 146 sqft less living space and -$30,923 for being older and -$124,420 for no garage. Net adjustment: -$192,830.

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 $352,335

Adjusted -$25,163 for 98 sqft less living space. Net adjustment: -$25,163.

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 $324,291

Adjusted +$51,609 for 201 sqft more living space. Net adjustment: +$51,609.

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 $209,792

Adjusted -$4,108 for 16 sqft less living space and -$124,420 for no garage. Net adjustment: -$128,528.

The Neighborhood

This home is valued 9.8% below the R701575F - OLD TOWN ROUND ROCK median of $319,256. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 4.3% over the past year.

R701575F - OLD TOWN ROUND ROCK

typical
360 Properties
$319,256 Median Value
+4.3% YoY Change
5% Have Pool
24% Have Garage
This Home
$288,098
Median
$319,256

This home is -9.8% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,184 across all districts. With a homestead exemption claimed, that drops to $3,880 — saving $1,304 per year. That's $323 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%$2,573
Round RockCity0.3720%$1,072
Williamson CountyCounty0.3694%$1,064
Austin Community Collegespecial0.1034%$298
Williamson County FM/RdCounty0.0443%$128
Upper Brushy Creek WCIDWater0.0170%$49
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,184

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $324,291 would pay approximately $2,024 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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