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2500 CR 172, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed336 sqftBuilt 1981

Property at a Glance

This home is estimated between $-11,462 and $54,190, with a best estimate of $5,168.

Estimated Value Range

$-11,462 $54,190
Best Estimate
$5,168
WCAD Value
$277,607
Low Confidence

Based on 5 comparable properties(0 in the same subdivision)

There are 5 comparable properties within range, but none are in R30SG - Service Garage-west Round Rock. The estimated range of $-11,462 and $54,190 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 1,133 sqft Built 1979
Raw Value $293,501
Adjusted Value $40,667

Adjusted -$192,439 for 797 sqft less living space and -$202 for being older and -$60,193 for no garage. Net adjustment: -$252,834.

3 bed 2 bath 1,212 sqft Built 1982
Raw Value $268,403
Adjusted Value $-3,203

Adjusted -$211,514 for 876 sqft less living space and +$101 for being newer and -$60,193 for no garage. Net adjustment: -$271,606.

3 bed 2 bath 1,269 sqft Built 1982
Raw Value $290,537
Adjusted Value $5,168

Adjusted -$225,277 for 933 sqft less living space and +$101 for being newer and -$60,193 for no garage. Net adjustment: -$285,369.

3 bed 2 bath 1,254 sqft Built 1984
Raw Value $270,083
Adjusted Value $-11,462

Adjusted -$221,655 for 918 sqft less living space and +$303 for being newer and -$60,193 for no garage. Net adjustment: -$281,545.

3 bed 2 bath 1,303 sqft Built 1984
Raw Value $347,567
Adjusted Value $54,190

Adjusted -$233,487 for 967 sqft less living space and +$303 for being newer and -$60,193 for no garage. Net adjustment: -$293,377.

The Neighborhood

Subdivision comparison data is not available for this property.

Tax Analysis

The estimated annual property tax is $3,770 across all districts. With a homestead exemption claimed, that drops to $2,474 — saving $1,296 per year. That's $206 per month a buyer should budget. The assessed value increased +35.0%. 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%$2,204
Williamson CountyCounty0.3694%$912
Austin Community Collegespecial0.1034%$255
Williamson County ESD #9 - Round RockESD0.0999%$247
Williamson County FM/RdCounty0.0443%$109
Upper Brushy Creek WCIDWater0.0170%$42
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5272%$3,770
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 $5,168 would pay approximately $32 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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