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601 MAYS ST S, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2,135 sqftBuilt 1985

Property at a Glance

This home is estimated between $326,428 and $844,005, with a best estimate of $410,359.

Estimated Value Range

$326,428 $844,005
Best Estimate
$410,359
WCAD Value
$853,827
Low Confidence

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

There are 5 comparable properties within range, but none are in R20SM - Mini-lube Garage-e Round Rock. The estimated range of $326,428 and $844,005 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 1,880 sqft Built 1970
Raw Value $651,852
Adjusted Value $645,478

Adjusted +$61,571 for 255 sqft more living space and -$1,517 for being older and -$6,235 for no pool and -$60,193 for no garage. Net adjustment: -$6,374.

3 bed 4 bath 1,821 sqft Built 1985
Raw Value $378,090
Adjusted Value $393,714

Adjusted +$75,817 for 314 sqft more living space and -$60,193 for no garage. Net adjustment: +$15,624.

3 bed 2 bath 1,942 sqft Built 1978
Raw Value $340,728
Adjusted Value $326,428

Adjusted +$46,601 for 193 sqft more living space and -$708 for being older and -$60,193 for no garage. Net adjustment: -$14,300.

3 bed 3 bath 1,452 sqft Built 1977
Raw Value $679,901
Adjusted Value $844,005

Adjusted +$164,913 for 683 sqft more living space and -$809 for being older. Net adjustment: +$164,104.

3 bed 2 bath 1,527 sqft Built 1985
Raw Value $323,748
Adjusted Value $410,359

Adjusted +$146,804 for 608 sqft more living space and -$60,193 for no garage. Net adjustment: +$86,611.

The Neighborhood

Subdivision comparison data is not available for this property.

Tax Analysis

The estimated annual property tax is $15,363 across all districts. With a homestead exemption claimed, that drops to $13,955 — saving $1,408 per year. That's $1,163 per month a buyer should budget. The assessed value increased +1.6%. This increase gives a protest opportunity score of 50 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$7,626
Round RockCity0.3720%$3,176
Williamson CountyCounty0.3694%$3,154
Austin Community Collegespecial0.1034%$883
Williamson County FM/RdCounty0.0443%$378
Upper Brushy Creek WCIDWater0.0170%$145
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$15,363
50 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $410,359 would pay approximately $2,561 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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