Beta Williamson County, TX only — data and coverage are limited during early access.

1000 N IH 35, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed6,251 sqftBuilt 1920

Property at a Glance

This home is estimated between $1,497,858 and $2,208,270, with a best estimate of $2,038,042. That places the property above the R30PS - Small Office (<10,000 Sf)-west Round Rock median of $1,127,589, in a neighborhood that appreciated 3.1% over the past year.

Estimated Value Range

$1,497,858 $2,208,270
Best Estimate
$2,038,042
WCAD Value
$2,488,500
Low Confidence

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

There are 5 comparable properties within range, but few are in R30PS - Small Office (<10,000 Sf)-west Round Rock. The estimated range of $1,497,858 and $2,208,270 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2,295 sqft Built 1922
Raw Value $1,082,646
Adjusted Value $2,038,042

Adjusted +$955,194 for 3,956 sqft more living space and +$202 for being newer. Net adjustment: +$955,396.

3 bed 3,888 sqft Built 1958
Raw Value $1,036,720
Adjusted Value $1,611,120

Adjusted +$570,557 for 2,363 sqft more living space and +$3,843 for being newer. Net adjustment: +$574,400.

1730 IH 35 N, ROUND ROCK, TX 78681
0.00 mi 54% similar Same subdivision
3 bed 1,800 sqft Built 1979
Raw Value $1,127,589
Adjusted Value $2,208,270

Adjusted +$1,074,714 for 4,451 sqft more living space and +$5,967 for being newer. Net adjustment: +$1,080,681.

3 bed 1 bath 752 sqft Built 1920
Raw Value $170,099
Adjusted Value $1,497,858

Adjusted +$1,327,759 for 5,499 sqft more living space. Net adjustment: +$1,327,759.

3 bed 2 bath 2,580 sqft Built 1952
Raw Value $1,171,695
Adjusted Value $2,061,311

Adjusted +$886,380 for 3,671 sqft more living space and +$3,236 for being newer. Net adjustment: +$889,616.

The Neighborhood

This home is valued 120.7% above the R30PS - Small Office (<10,000 Sf)-west Round Rock median of $1,127,589. With 5 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 3.1% over the past year.

R30PS - Small Office (<10,000 Sf)-west Round Rock

outlier high
5 Properties
$1,127,589 Median Value
+3.1% YoY Change
0% Have Pool
0% Have Garage
This Home
$2,488,500
Median
$1,127,589

This home is +120.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $44,775 across all districts. With a homestead exemption claimed, that drops to $43,065 — saving $1,710 per year. That's $3,589 per month a buyer should budget. The assessed value increased +12.1% vs the subdivision average of +3.1%. This above-average increase gives a protest opportunity score of 80 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$22,225
Round RockCity0.3720%$9,257
Williamson CountyCounty0.3694%$9,194
Austin Community Collegespecial0.1034%$2,573
Williamson County FM/RdCounty0.0443%$1,103
Upper Brushy Creek WCIDWater0.0170%$423
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$44,775
80 / 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 $2,038,042 would pay approximately $12,721 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.

View full property details