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3101 IH 35 N, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed7,144 sqftBuilt 1975

Property at a Glance

This home is estimated between $1,600,074 and $2,751,131, with a best estimate of $2,163,625.

Estimated Value Range

$1,600,074 $2,751,131
Best Estimate
$2,163,625
WCAD Value
$3,562,191
Low Confidence

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

There are 5 comparable properties within range, but few are in R20SD - DEALERSHIP SHOWROOMS IN ROUND ROCK EAST I35 AREA. The estimated range of $1,600,074 and $2,751,131 should be treated as a rough guide.

Comparable Properties (5)

3 bed 9,180 sqft Built 1977
Raw Value $2,655,025
Adjusted Value $2,163,625

Adjusted -$491,602 for 2,036 sqft less living space and +$202 for being newer. Net adjustment: -$491,400.

3 bed 8,065 sqft Built 1970
Raw Value $1,822,960
Adjusted Value $1,600,074

Adjusted -$222,380 for 921 sqft less living space and -$506 for being older. Net adjustment: -$222,886.

3 bed 9,000 sqft Built 1970
Raw Value $3,017,895
Adjusted Value $2,569,249

Adjusted -$448,140 for 1,856 sqft less living space and -$506 for being older. Net adjustment: -$448,646.

2335 S IH 35, ROUND ROCK, TX 78664
0.03 mi 73% similar Same subdivision
3 bed 18,436 sqft Built 1950
Raw Value $5,480,164
Adjusted Value $2,751,131

Adjusted -$2,726,505 for 11,292 sqft less living space and -$2,528 for being older. Net adjustment: -$2,729,033.

3 LAKE DR, ROUND ROCK, TX 78665
0.00 mi 71% similar
3 bed 2 bath 2,731 sqft Built 1993
Raw Value $789,702
Adjusted Value $1,857,062

Adjusted +$1,065,539 for 4,413 sqft more living space and +$1,821 for being newer. Net adjustment: +$1,067,360.

The Neighborhood

Subdivision comparison data is not available for this property.

Tax Analysis

The estimated annual property tax is $60,250 across all districts. With a homestead exemption claimed, that drops to $58,381 — saving $1,869 per year. That's $4,865 per month a buyer should budget. The assessed value increased +27.7%. 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%$29,906
Round RockCity0.3720%$12,457
Williamson CountyCounty0.3694%$12,371
Austin Community Collegespecial0.1034%$3,462
Williamson County FM/RdCounty0.0443%$1,484
Upper Brushy Creek WCIDWater0.0170%$569
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$60,250
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 $2,163,625 would pay approximately $13,505 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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