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603 BELLVIEW AVE, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath2,082 sqftBuilt 1975

Property at a Glance

This home is estimated between $279,241 and $443,651, with a best estimate of $336,754. 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

$279,241 $443,651
Best Estimate
$336,754
WCAD Value
$392,519
Low Confidence

Based on 5 comparable properties(0 in the same subdivision)

There are 5 comparable properties within range, but none are in R701575F - OLD TOWN ROUND ROCK. The estimated range of $279,241 and $443,651 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 1,913 sqft Built 1975
Raw Value $389,587
Adjusted Value $432,980

Adjusted +$43,393 for 169 sqft more living space. Net adjustment: +$43,393.

3 bed 2 bath 1,924 sqft Built 1967
Raw Value $367,251
Adjusted Value $308,138

Adjusted +$40,568 for 158 sqft more living space and +$24,739 for being newer and -$124,420 for no garage. Net adjustment: -$59,113.

3 bed 2 bath 1,704 sqft Built 1976
Raw Value $349,687
Adjusted Value $443,651

Adjusted +$97,056 for 378 sqft more living space and -$3,092 for being older. Net adjustment: +$93,964.

3 bed 2 bath 1,566 sqft Built 1977
Raw Value $277,357
Adjusted Value $279,241

Adjusted +$132,489 for 516 sqft more living space and -$6,185 for being older and -$124,420 for no garage. Net adjustment: +$1,884.

3 bed 2 bath 1,571 sqft Built 1978
Raw Value $339,246
Adjusted Value $336,754

Adjusted +$131,205 for 511 sqft more living space and -$9,277 for being older and -$124,420 for no garage. Net adjustment: -$2,492.

The Neighborhood

This home is valued 22.9% 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

above average
360 Properties
$319,256 Median Value
+4.3% YoY Change
5% Have Pool
24% Have Garage
This Home
$392,519
Median
$319,256

This home is +22.9% above the subdivision median.

Tax Analysis

The estimated annual property tax is $5,754 across all districts. With a homestead exemption claimed, that drops to $4,444 — saving $1,310 per year. That's $370 per month a buyer should budget. The assessed value increased +17.5% vs the subdivision average of +4.3%. This above-average increase gives a protest opportunity score of 90 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$2,856
Round RockCity0.3720%$1,190
Williamson CountyCounty0.3694%$1,181
Austin Community Collegespecial0.1034%$331
Williamson County FM/RdCounty0.0443%$142
Upper Brushy Creek WCIDWater0.0170%$54
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,754
90 / 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 $336,754 would pay approximately $2,102 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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