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1505 CIRCLE DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

4 bed1 bath1,978 sqftBuilt 1965

Property at a Glance

This home is estimated between $542,178 and $754,957, with a best estimate of $616,435. 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

$542,178 $754,957
Best Estimate
$616,435
WCAD Value
$306,345
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 $542,178 and $754,957. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

624 CIRCLE DR, ROUND ROCK, TX 78664
0.00 mi 94% similar Same subdivision
4 bed 1 bath 1,440 sqft Built 1940
Raw Value $539,512
Adjusted Value $754,957

Adjusted +$138,137 for 538 sqft more living space and +$77,308 for being newer. Net adjustment: +$215,445.

1414 CIRCLE DR, ROUND ROCK, TX 78664
0.00 mi 92% similar Same subdivision
3 bed 1 bath 1,348 sqft Built 1950
Raw Value $209,614
Adjusted Value $542,178

Adjusted +$161,759 for 630 sqft more living space and +$46,385 for being newer and +$124,420 for having a garage. Net adjustment: +$332,564.

1512 CIRCLE DR, ROUND ROCK, TX 78664
0.00 mi 87% similar Same subdivision
2 bed 1 bath 1,600 sqft Built 1950
Raw Value $319,135
Adjusted Value $586,996

Adjusted +$97,056 for 378 sqft more living space and +$46,385 for being newer and +$124,420 for having a garage. Net adjustment: +$267,861.

1410 CIRCLE DR, ROUND ROCK, TX 78664
0.00 mi 86% similar Same subdivision
2 bed 1 bath 1,140 sqft Built 1950
Raw Value $230,464
Adjusted Value $616,435

Adjusted +$215,166 for 838 sqft more living space and +$46,385 for being newer and +$124,420 for having a garage. Net adjustment: +$385,971.

600 CIRCLE AVE, ROUND ROCK, TX 78664
0.00 mi 85% similar Same subdivision
3 bed 1,792 sqft Built 1940
Raw Value $444,157
Adjusted Value $693,643

Adjusted +$47,758 for 186 sqft more living space and +$77,308 for being newer and +$124,420 for having a garage. Net adjustment: +$249,486.

The Neighborhood

This home is valued 4.0% 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
$306,345
Median
$319,256

This home is -4.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,478 across all districts. With a homestead exemption claimed, that drops to $4,172 — saving $1,306 per year. That's $348 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%$2,719
Round RockCity0.3720%$1,133
Williamson CountyCounty0.3694%$1,125
Austin Community Collegespecial0.1034%$315
Williamson County FM/RdCounty0.0443%$135
Upper Brushy Creek WCIDWater0.0170%$52
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,478

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $616,435 would pay approximately $3,848 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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