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612 CIRCLE AVE, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

2 bed1 bath693 sqftBuilt 1940

Property at a Glance

This home is estimated between $69,604 and $329,548, with a best estimate of $282,485. 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

$69,604 $329,548
Best Estimate
$282,485
WCAD Value
$272,682
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 $69,604 and $329,548. 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 $282,485

Adjusted -$11,041 for 43 sqft less living space. Net adjustment: -$11,041.

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 $300,726

Adjusted -$76,772 for 299 sqft less living space. Net adjustment: -$76,772.

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 $158,183

Adjusted -$55,717 for 217 sqft less living space and -$124,420 for no garage. Net adjustment: -$180,137.

625 CIRCLE AVE, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
2 bed 1 bath 1,055 sqft Built 1940
Raw Value $422,495
Adjusted Value $329,548

Adjusted -$92,947 for 362 sqft less living space. Net adjustment: -$92,947.

1408 CIRCLE DR, ROUND ROCK, TX 78664
0.00 mi 99% similar Same subdivision
1 bed 1 bath 768 sqft Built 1950
Raw Value $119,784
Adjusted Value $69,604

Adjusted -$19,257 for 75 sqft less living space and -$30,923 for being older. Net adjustment: -$50,180.

The Neighborhood

This home is valued 14.6% 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
$272,682
Median
$319,256

This home is -14.6% below the subdivision median.

Tax Analysis

The estimated annual property tax is $4,906 across all districts. With a homestead exemption claimed, that drops to $3,606 — saving $1,300 per year. That's $301 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%$2,435
Round RockCity0.3720%$1,014
Williamson CountyCounty0.3694%$1,007
Austin Community Collegespecial0.1034%$282
Williamson County FM/RdCounty0.0443%$121
Upper Brushy Creek WCIDWater0.0170%$46
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$4,906

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $282,485 would pay approximately $1,763 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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