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911 IH 35 N, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed9,520 sqftBuilt 1970

Property at a Glance

This home is estimated between $2,174,276 and $4,136,393, with a best estimate of $2,737,828. That places the property above the R20MR - Retail Store-e Round Rock median of $1,171,348, in a neighborhood that appreciated 4.0% over the past year.

Estimated Value Range

$2,174,276 $4,136,393
Best Estimate
$2,737,828
WCAD Value
$1,913,659
Low Confidence

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

There are 5 comparable properties within range, but few are in R20MR - Retail Store-e Round Rock. The estimated range of $2,174,276 and $4,136,393 should be treated as a rough guide.

Comparable Properties (5)

907 IH 35 N, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 8,065 sqft Built 1970
Raw Value $1,822,960
Adjusted Value $2,174,276

Adjusted +$351,316 for 1,455 sqft more living space. Net adjustment: +$351,316.

3 bed 9,000 sqft Built 1970
Raw Value $3,017,895
Adjusted Value $3,143,451

Adjusted +$125,556 for 520 sqft more living space. Net adjustment: +$125,556.

3 bed 9,180 sqft Built 1977
Raw Value $2,655,025
Adjusted Value $2,737,828

Adjusted +$82,095 for 340 sqft more living space and +$708 for being newer. Net adjustment: +$82,803.

3 bed 4,908 sqft Built 1976
Raw Value $1,612,741
Adjusted Value $2,726,937

Adjusted +$1,113,589 for 4,612 sqft more living space and +$607 for being newer. Net adjustment: +$1,114,196.

3 bed 7,144 sqft Built 1975
Raw Value $3,562,191
Adjusted Value $4,136,393

Adjusted +$573,696 for 2,376 sqft more living space and +$506 for being newer. Net adjustment: +$574,202.

The Neighborhood

This home is valued 63.4% above the R20MR - Retail Store-e Round Rock median of $1,171,348. With 9 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 4.0% over the past year.

R20MR - Retail Store-e Round Rock

outlier high
9 Properties
$1,171,348 Median Value
+4.0% YoY Change
0% Have Pool
0% Have Garage
This Home
$1,913,659
Median
$1,171,348

This home is +63.4% above the subdivision median.

Tax Analysis

The estimated annual property tax is $34,432 across all districts. With a homestead exemption claimed, that drops to $32,828 — saving $1,604 per year. That's $2,736 per month a buyer should budget. The assessed value increased +6.8% vs the subdivision average of +4.0%. This above-average increase gives a protest opportunity score of 39 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$17,091
Round RockCity0.3720%$7,119
Williamson CountyCounty0.3694%$7,070
Austin Community Collegespecial0.1034%$1,979
Williamson County FM/RdCounty0.0443%$848
Upper Brushy Creek WCIDWater0.0170%$325
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$34,432
39 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $2,737,828 would pay approximately $17,089 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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