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801 TONY DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,743 sqftBuilt 1982

Property at a Glance

This home is estimated between $184,993 and $436,787, with a best estimate of $333,917. That places the property above the R701575F - OLD TOWN ROUND ROCK median of $319,256, in a neighborhood that appreciated 4.3% over the past year.

Estimated Value Range

$184,993 $436,787
Best Estimate
$333,917
WCAD Value
$341,623
Medium Confidence

Based on 5 comparable properties(3 in the same subdivision)

Based on 5 comparable properties (3 in the same subdivision, 2 nearby), the estimated range is $184,993 and $436,787. More comparables in the same subdivision would strengthen this estimate.

Comparable Properties (5)

902 MANDELL ST S, ROUND ROCK, TX 78664
0.16 mi 100% similar Same subdivision
3 bed 2 bath 1,583 sqft Built 1980
Raw Value $433,823
Adjusted Value $356,670

Adjusted +$41,082 for 160 sqft more living space and +$6,185 for being newer and -$124,420 for no garage. Net adjustment: -$77,153.

605 RUBIO AVE, ROUND ROCK, TX 78664
0.03 mi 94% similar Same subdivision
3 bed 1 bath 1,598 sqft Built 1970
Raw Value $259,579
Adjusted Value $333,917

Adjusted +$37,230 for 145 sqft more living space and +$37,108 for being newer. Net adjustment: +$74,338.

3 bed 2 bath 1,661 sqft Built 1977
Raw Value $272,897
Adjusted Value $184,993

Adjusted +$21,054 for 82 sqft more living space and +$15,462 for being newer and -$124,420 for no garage. Net adjustment: -$87,904.

3 bed 2 bath 1,636 sqft Built 1977
Raw Value $277,738
Adjusted Value $196,253

Adjusted +$27,473 for 107 sqft more living space and +$15,462 for being newer and -$124,420 for no garage. Net adjustment: -$81,485.

400 RUBIO AVE, ROUND ROCK, TX 78664
0.03 mi 85% similar Same subdivision
3 bed 2 bath 1,672 sqft Built 2018
Raw Value $654,301
Adjusted Value $436,787

Adjusted +$18,230 for 71 sqft more living space and -$111,324 for being older and -$124,420 for no garage. Net adjustment: -$217,514.

The Neighborhood

This home is valued 7.0% above the R701575F - OLD TOWN ROUND ROCK median of $319,256. With 360 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 4.3% over the past year.

R701575F - OLD TOWN ROUND ROCK

typical
360 Properties
$319,256 Median Value
+4.3% YoY Change
5% Have Pool
24% Have Garage
This Home
$341,623
Median
$319,256

This home is +7.0% above the subdivision median.

Tax Analysis

The estimated annual property tax is $4,071 across all districts. With a homestead exemption claimed, that drops to $2,779 — saving $1,292 per year. That's $232 per month a buyer should budget. The assessed value increased +21.2% vs the subdivision average of +4.3%. This above-average 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%$2,021
Round RockCity0.3720%$842
Williamson CountyCounty0.3694%$836
Austin Community Collegespecial0.1034%$234
Williamson County FM/RdCounty0.0443%$100
Upper Brushy Creek WCIDWater0.0170%$38
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$4,071
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 $333,917 would pay approximately $2,084 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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