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622 CIRCLE AVE, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed1 bath1,614 sqftBuilt 1940

Property at a Glance

This home is estimated between $291,807 and $459,768, with a best estimate of $446,029. 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

$291,807 $459,768
Best Estimate
$446,029
WCAD Value
$547,414
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 $291,807 and $459,768. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

600 CIRCLE AVE, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 1,792 sqft Built 1940
Raw Value $444,157
Adjusted Value $398,454

Adjusted -$45,703 for 178 sqft less living space. Net adjustment: -$45,703.

1512 CIRCLE DR, ROUND ROCK, TX 78664
0.00 mi 99% similar Same subdivision
2 bed 1 bath 1,600 sqft Built 1950
Raw Value $319,135
Adjusted Value $291,807

Adjusted +$3,595 for 14 sqft more living space and -$30,923 for being older. Net adjustment: -$27,328.

616 CIRCLE AVE, ROUND ROCK, TX 78664
0.00 mi 99% similar Same subdivision
2 bed 1 bath 1,500 sqft Built 1940
Raw Value $416,758
Adjusted Value $446,029

Adjusted +$29,271 for 114 sqft more living space. Net adjustment: +$29,271.

624 CIRCLE DR, ROUND ROCK, TX 78664
0.00 mi 97% similar Same subdivision
4 bed 1 bath 1,440 sqft Built 1940
Raw Value $539,512
Adjusted Value $459,768

Adjusted +$44,676 for 174 sqft more living space and -$124,420 for no garage. Net adjustment: -$79,744.

606 CIRCLE AVE, ROUND ROCK, TX 78664
0.00 mi 95% similar Same subdivision
2 bed 1 bath 1,312 sqft Built 1940
Raw Value $379,914
Adjusted Value $457,456

Adjusted +$77,542 for 302 sqft more living space. Net adjustment: +$77,542.

The Neighborhood

This home is valued 71.5% 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
$547,414
Median
$319,256

This home is +71.5% above the subdivision median.

Tax Analysis

The estimated annual property tax is $7,990 across all districts. With a homestead exemption claimed, that drops to $6,657 — saving $1,333 per year. That's $555 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%$3,966
Round RockCity0.3720%$1,652
Williamson CountyCounty0.3694%$1,641
Austin Community Collegespecial0.1034%$459
Williamson County FM/RdCounty0.0443%$197
Upper Brushy Creek WCIDWater0.0170%$75
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$7,990

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $446,029 would pay approximately $2,784 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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