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601 CIRCLE AVE, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed3 bath1,452 sqftBuilt 1977

Property at a Glance

This home is estimated between $138,607 and $348,382, with a best estimate of $172,125. That places the property below the R701575F - OLD TOWN ROUND ROCK median of $319,256, in a neighborhood that appreciated 4.3% over the past year.

Estimated Value Range

$138,607 $348,382
Best Estimate
$172,125
WCAD Value
$679,901
Low Confidence

Based on 5 comparable properties(1 in the same subdivision)

There are 5 comparable properties within range, but few are in R701575F - OLD TOWN ROUND ROCK. The estimated range of $138,607 and $348,382 should be treated as a rough guide.

Comparable Properties (5)

601 SPRING ST, ROUND ROCK, TX 78664
0.00 mi 92% similar Same subdivision
3 bed 2 bath 1,880 sqft Built 1970
Raw Value $651,852
Adjusted Value $348,382

Adjusted -$109,894 for 428 sqft less living space and +$21,646 for being newer and -$90,802 for no pool and -$124,420 for no garage. Net adjustment: -$303,470.

3 bed 2 bath 1,477 sqft Built 1980
Raw Value $278,723
Adjusted Value $138,607

Adjusted -$6,419 for 25 sqft less living space and -$9,277 for being older and -$124,420 for no garage. Net adjustment: -$140,116.

3 bed 2 bath 1,441 sqft Built 1983
Raw Value $312,275
Adjusted Value $172,125

Adjusted +$2,824 for 11 sqft more living space and -$18,554 for being older and -$124,420 for no garage. Net adjustment: -$140,150.

3 bed 2 bath 1,419 sqft Built 1983
Raw Value $319,393
Adjusted Value $184,892

Adjusted +$8,473 for 33 sqft more living space and -$18,554 for being older and -$124,420 for no garage. Net adjustment: -$134,501.

3 bed 2 bath 1,474 sqft Built 1985
Raw Value $322,078
Adjusted Value $167,270

Adjusted -$5,649 for 22 sqft less living space and -$24,739 for being older and -$124,420 for no garage. Net adjustment: -$154,808.

The Neighborhood

This home is valued 113.0% 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

outlier high
360 Properties
$319,256 Median Value
+4.3% YoY Change
5% Have Pool
24% Have Garage
This Home
$679,901
Median
$319,256

This home is +113.0% above the subdivision median.

Tax Analysis

The estimated annual property tax is $12,233 across all districts. With a homestead exemption claimed, that drops to $10,857 — saving $1,376 per year. That's $905 per month a buyer should budget. The assessed value increased +100.0% vs the subdivision average of +4.3%. This above-average increase gives a protest opportunity score of 100 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$6,072
Round RockCity0.3720%$2,529
Williamson CountyCounty0.3694%$2,512
Austin Community Collegespecial0.1034%$703
Williamson County FM/RdCounty0.0443%$301
Upper Brushy Creek WCIDWater0.0170%$116
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$12,233
100 / 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 $172,125 would pay approximately $1,074 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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