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2335 S IH 35, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed18,436 sqftBuilt 1950

Property at a Glance

This home is estimated between $3,082,478 and $6,291,224, with a best estimate of $4,892,660.

Estimated Value Range

$3,082,478 $6,291,224
Best Estimate
$4,892,660
WCAD Value
$5,480,164
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 $3,082,478 and $6,291,224 should be treated as a rough guide.

Comparable Properties (5)

3 bed 17,860 sqft Built 1975
Raw Value $2,940,872
Adjusted Value $3,082,478

Adjusted +$139,078 for 576 sqft more living space and +$2,528 for being newer. Net adjustment: +$141,606.

3101 IH 35 N, ROUND ROCK, TX 78665
0.03 mi 73% similar Same subdivision
3 bed 7,144 sqft Built 1975
Raw Value $3,562,191
Adjusted Value $6,291,224

Adjusted +$2,726,505 for 11,292 sqft more living space and +$2,528 for being newer. Net adjustment: +$2,729,033.

3 bed 9,180 sqft Built 1977
Raw Value $2,655,025
Adjusted Value $4,892,660

Adjusted +$2,234,904 for 9,256 sqft more living space and +$2,731 for being newer. Net adjustment: +$2,237,635.

3 bed 9,000 sqft Built 1970
Raw Value $3,017,895
Adjusted Value $5,298,284

Adjusted +$2,278,366 for 9,436 sqft more living space and +$2,023 for being newer. Net adjustment: +$2,280,389.

3 bed 9,520 sqft Built 1970
Raw Value $1,913,659
Adjusted Value $4,068,491

Adjusted +$2,152,809 for 8,916 sqft more living space and +$2,023 for being newer. Net adjustment: +$2,154,832.

The Neighborhood

Subdivision comparison data is not available for this property.

Tax Analysis

The estimated annual property tax is $98,603 across all districts. With a homestead exemption claimed, that drops to $96,341 — saving $2,262 per year. That's $8,028 per month a buyer should budget. The assessed value increased +15.4%. This increase gives a protest opportunity score of 95 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$48,943
Round RockCity0.3720%$20,386
Williamson CountyCounty0.3694%$20,246
Austin Community Collegespecial0.1034%$5,666
Williamson County FM/RdCounty0.0443%$2,429
Upper Brushy Creek WCIDWater0.0170%$932
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$98,603
95 / 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 $4,892,660 would pay approximately $30,540 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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