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1651 S IH 35, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed6,505 sqftBuilt 2000

Property at a Glance

This home is estimated between $1,443,257 and $3,405,374, with a best estimate of $2,006,808.

Estimated Value Range

$1,443,257 $3,405,374
Best Estimate
$2,006,808
WCAD Value
$2,252,013
Low Confidence

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

There are 5 comparable properties within range, but none are in R45ER - Restaurant-lakeline Area. The estimated range of $1,443,257 and $3,405,374 should be treated as a rough guide.

Comparable Properties (5)

3 bed 7,144 sqft Built 1975
Raw Value $3,562,191
Adjusted Value $3,405,374

Adjusted -$154,289 for 639 sqft less living space and -$2,528 for being older. Net adjustment: -$156,817.

3 bed 9,000 sqft Built 1970
Raw Value $3,017,895
Adjusted Value $2,412,432

Adjusted -$602,429 for 2,495 sqft less living space and -$3,034 for being older. Net adjustment: -$605,463.

3 bed 9,180 sqft Built 1977
Raw Value $2,655,025
Adjusted Value $2,006,808

Adjusted -$645,891 for 2,675 sqft less living space and -$2,326 for being older. Net adjustment: -$648,217.

3 bed 4,908 sqft Built 1976
Raw Value $1,612,741
Adjusted Value $1,995,917

Adjusted +$385,603 for 1,597 sqft more living space and -$2,427 for being older. Net adjustment: +$383,176.

3 bed 8,065 sqft Built 1970
Raw Value $1,822,960
Adjusted Value $1,443,257

Adjusted -$376,669 for 1,560 sqft less living space and -$3,034 for being older. Net adjustment: -$379,703.

The Neighborhood

Subdivision comparison data is not available for this property.

Tax Analysis

The estimated annual property tax is $24,576 across all districts. With a homestead exemption claimed, that drops to $23,074 — saving $1,502 per year. That's $1,923 per month a buyer should budget. The assessed value increased +97.8%. This 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%$12,199
Round RockCity0.3720%$5,081
Williamson CountyCounty0.3694%$5,046
Austin Community Collegespecial0.1034%$1,412
Williamson County FM/RdCounty0.0443%$605
Upper Brushy Creek WCIDWater0.0170%$232
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$24,576
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 $2,006,808 would pay approximately $12,526 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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