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

1509 CIRCLE DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed1 bath1,704 sqftBuilt 1965

Property at a Glance

This home is estimated between $111,572 and $560,185, with a best estimate of $392,223. 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

$111,572 $560,185
Best Estimate
$392,223
WCAD Value
$313,449
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 $111,572 and $560,185. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1505 CIRCLE DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 1 bath 1,978 sqft Built 1965
Raw Value $306,345
Adjusted Value $111,572

Adjusted -$70,353 for 274 sqft less living space and -$124,420 for no garage. Net adjustment: -$194,773.

1414 CIRCLE DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 1 bath 1,348 sqft Built 1950
Raw Value $209,614
Adjusted Value $347,406

Adjusted +$91,407 for 356 sqft more living space and +$46,385 for being newer. Net adjustment: +$137,792.

1512 CIRCLE DR, ROUND ROCK, TX 78664
0.00 mi 94% similar Same subdivision
2 bed 1 bath 1,600 sqft Built 1950
Raw Value $319,135
Adjusted Value $392,223

Adjusted +$26,703 for 104 sqft more living space and +$46,385 for being newer. Net adjustment: +$73,088.

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 $560,185

Adjusted +$67,785 for 264 sqft more living space and +$77,308 for being newer and -$124,420 for no garage. Net adjustment: +$20,673.

1410 CIRCLE DR, ROUND ROCK, TX 78664
0.00 mi 92% similar Same subdivision
2 bed 1 bath 1,140 sqft Built 1950
Raw Value $230,464
Adjusted Value $421,662

Adjusted +$144,813 for 564 sqft more living space and +$46,385 for being newer. Net adjustment: +$191,198.

The Neighborhood

This home is valued 1.8% 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
$313,449
Median
$319,256

This home is -1.8% below the subdivision median.

Tax Analysis

The estimated annual property tax is $3,821 across all districts. With a homestead exemption claimed, that drops to $2,531 — saving $1,290 per year. That's $211 per month a buyer should budget. The assessed value increased +43.6% vs the subdivision average of +4.3%. This above-average increase gives a protest opportunity score of 95 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$1,896
Round RockCity0.3720%$790
Williamson CountyCounty0.3694%$784
Austin Community Collegespecial0.1034%$220
Williamson County FM/RdCounty0.0443%$94
Upper Brushy Creek WCIDWater0.0170%$36
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$3,821
95 / 100

There may be a strong case to protest this appraisal.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $392,223 would pay approximately $2,448 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