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1401 IH 35 N, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed9,000 sqftBuilt 1970

Property at a Glance

This home is estimated between $1,788,103 and $4,010,837, with a best estimate of $2,612,271. That places the property above the R20SG - Service Garage-e Round Rock median of $1,591,602, in a neighborhood that appreciated 40.6% over the past year.

Estimated Value Range

$1,788,103 $4,010,837
Best Estimate
$2,612,271
WCAD Value
$3,017,895
Low Confidence

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

There are 5 comparable properties within range, but none are in R20SG - Service Garage-e Round Rock. The estimated range of $1,788,103 and $4,010,837 should be treated as a rough guide.

Comparable Properties (5)

3 bed 9,520 sqft Built 1970
Raw Value $1,913,659
Adjusted Value $1,788,103

Adjusted -$125,556 for 520 sqft less living space. Net adjustment: -$125,556.

3 bed 9,180 sqft Built 1977
Raw Value $2,655,025
Adjusted Value $2,612,271

Adjusted -$43,462 for 180 sqft less living space and +$708 for being newer. Net adjustment: -$42,754.

3 bed 8,065 sqft Built 1970
Raw Value $1,822,960
Adjusted Value $2,048,720

Adjusted +$225,760 for 935 sqft more living space. Net adjustment: +$225,760.

3 bed 7,144 sqft Built 1975
Raw Value $3,562,191
Adjusted Value $4,010,837

Adjusted +$448,140 for 1,856 sqft more living space and +$506 for being newer. Net adjustment: +$448,646.

3 bed 6,505 sqft Built 2000
Raw Value $2,252,013
Adjusted Value $2,857,476

Adjusted +$602,429 for 2,495 sqft more living space and +$3,034 for being newer. Net adjustment: +$605,463.

The Neighborhood

This home is valued 89.6% above the R20SG - Service Garage-e Round Rock median of $1,591,602. With 8 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 40.6% over the past year.

R20SG - Service Garage-e Round Rock

outlier high
8 Properties
$1,591,602 Median Value
+40.6% YoY Change
0% Have Pool
0% Have Garage
This Home
$3,017,895
Median
$1,591,602

This home is +89.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $47,397 across all districts. With a homestead exemption claimed, that drops to $45,660 — saving $1,737 per year. That's $3,805 per month a buyer should budget. The assessed value increased +37.5% vs the subdivision average of +40.6%. This increase gives a protest opportunity score of 50 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$23,526
Round RockCity0.3720%$9,799
Williamson CountyCounty0.3694%$9,732
Austin Community Collegespecial0.1034%$2,724
Williamson County FM/RdCounty0.0443%$1,168
Upper Brushy Creek WCIDWater0.0170%$448
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$47,397
50 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $2,612,271 would pay approximately $16,306 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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