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901 IH 35 N, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2,800 sqftBuilt 1970

Property at a Glance

This home is estimated between $808,688 and $1,520,876, with a best estimate of $1,104,362. That places the property below 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

$808,688 $1,520,876
Best Estimate
$1,104,362
WCAD Value
$974,872
Low Confidence

Based on 5 comparable properties(1 in the same subdivision)

There are 5 comparable properties within range, but few are in R20SG - Service Garage-e Round Rock. The estimated range of $808,688 and $1,520,876 should be treated as a rough guide.

Comparable Properties (5)

3 bed 4,908 sqft Built 1976
Raw Value $1,612,741
Adjusted Value $1,104,362

Adjusted -$508,986 for 2,108 sqft less living space and +$607 for being newer. Net adjustment: -$508,379.

3 bed 3 bath 2,534 sqft Built 1982
Raw Value $810,003
Adjusted Value $815,251

Adjusted +$64,227 for 266 sqft more living space and +$1,214 for being newer and -$60,193 for no garage. Net adjustment: +$5,248.

3 LAKE DR, ROUND ROCK, TX 78665
0.03 mi 78% similar
3 bed 2 bath 2,731 sqft Built 1993
Raw Value $789,702
Adjusted Value $808,688

Adjusted +$16,660 for 69 sqft more living space and +$2,326 for being newer. Net adjustment: +$18,986.

3 bed 2 bath 2,576 sqft Built 1993
Raw Value $1,496,291
Adjusted Value $1,492,510

Adjusted +$54,086 for 224 sqft more living space and +$2,326 for being newer and -$60,193 for no garage. Net adjustment: -$3,781.

1401 IH 35 N, ROUND ROCK, TX 78664
0.00 mi 75% similar Same subdivision
3 bed 9,000 sqft Built 1970
Raw Value $3,017,895
Adjusted Value $1,520,876

Adjusted -$1,497,019 for 6,200 sqft less living space. Net adjustment: -$1,497,019.

The Neighborhood

This home is valued 38.7% below the R20SG - Service Garage-e Round Rock median of $1,591,602. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 40.6% over the past year.

R20SG - Service Garage-e Round Rock

below average
8 Properties
$1,591,602 Median Value
+40.6% YoY Change
0% Have Pool
0% Have Garage
This Home
$974,872
Median
$1,591,602

This home is -38.7% below the subdivision median.

Tax Analysis

The estimated annual property tax is $17,541 across all districts. With a homestead exemption claimed, that drops to $16,110 — saving $1,431 per year. That's $1,343 per month a buyer should budget. The assessed value increased +33.5% 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%$8,707
Round RockCity0.3720%$3,627
Williamson CountyCounty0.3694%$3,602
Austin Community Collegespecial0.1034%$1,008
Williamson County FM/RdCounty0.0443%$432
Upper Brushy Creek WCIDWater0.0170%$166
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$17,541
50 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $1,104,362 would pay approximately $6,893 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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