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1506 CIRCLE DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

2 bed1 bath988 sqftBuilt 1950

Property at a Glance

This home is estimated between $107,119 and $407,394, with a best estimate of $379,349. 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

$107,119 $407,394
Best Estimate
$379,349
WCAD Value
$166,177
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 $107,119 and $407,394. 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 $389,153

Adjusted +$64,704 for 252 sqft more living space and +$30,923 for being newer. Net adjustment: +$95,627.

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 $107,119

Adjusted -$13,352 for 52 sqft less living space and -$124,420 for no garage. Net adjustment: -$137,772.

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 $407,394

Adjusted -$1,027 for 4 sqft less living space and +$30,923 for being newer. Net adjustment: +$29,896.

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 $379,349

Adjusted +$75,744 for 295 sqft more living space and +$30,923 for being newer. Net adjustment: +$106,667.

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 $264,850

Adjusted +$20,027 for 78 sqft more living space and +$30,923 for being newer and -$124,420 for no garage. Net adjustment: -$73,470.

The Neighborhood

This home is valued 47.9% 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

below average
360 Properties
$319,256 Median Value
+4.3% YoY Change
5% Have Pool
24% Have Garage
This Home
$166,177
Median
$319,256

This home is -47.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $2,990 across all districts. With a homestead exemption claimed, that drops to $1,709 — saving $1,281 per year. That's $142 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%$1,484
Round RockCity0.3720%$618
Williamson CountyCounty0.3694%$614
Austin Community Collegespecial0.1034%$172
Williamson County FM/RdCounty0.0443%$74
Upper Brushy Creek WCIDWater0.0170%$28
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$2,990

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $379,349 would pay approximately $2,368 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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