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MAYS ST N/79 HWY ROUND ROCK, TX 78664

— williamson County

3 bed5,964 sqftBuilt 1955

Property at a Glance

This home is estimated between $815,390 and $1,669,483, with a best estimate of $1,648,465.

Estimated Value Range

$815,390 $1,669,483
Best Estimate
$1,648,465
WCAD Value
$1,432,826
Low Confidence

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

There are 5 comparable properties within range, but none are in R20QX - Rr East Res Other. The estimated range of $815,390 and $1,669,483 should be treated as a rough guide.

Comparable Properties (5)

3 bed 4,906 sqft Built 1983
Raw Value $1,411,192
Adjusted Value $1,669,483

Adjusted +$255,459 for 1,058 sqft more living space and +$2,832 for being newer. Net adjustment: +$258,291.

3 bed 4,565 sqft Built 1980
Raw Value $1,308,649
Adjusted Value $1,648,972

Adjusted +$337,795 for 1,399 sqft more living space and +$2,528 for being newer. Net adjustment: +$340,323.

3 bed 4,170 sqft Built 1980
Raw Value $1,212,767
Adjusted Value $1,648,465

Adjusted +$433,170 for 1,794 sqft more living space and +$2,528 for being newer. Net adjustment: +$435,698.

3 bed 3,750 sqft Built 1980
Raw Value $1,069,840
Adjusted Value $1,606,949

Adjusted +$534,581 for 2,214 sqft more living space and +$2,528 for being newer. Net adjustment: +$537,109.

3 bed 27,500 sqft Built 1975
Raw Value $6,013,333
Adjusted Value $815,390

Adjusted -$5,199,966 for 21,536 sqft less living space and +$2,023 for being newer. Net adjustment: -$5,197,943.

The Neighborhood

Subdivision comparison data is not available for this property.

Tax Analysis

The estimated annual property tax is $25,780 across all districts. With a homestead exemption claimed, that drops to $24,265 — saving $1,515 per year. That's $2,022 per month a buyer should budget. The assessed value increased 0.0%. 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%$12,797
Round RockCity0.3720%$5,330
Williamson CountyCounty0.3694%$5,294
Austin Community Collegespecial0.1034%$1,482
Williamson County FM/RdCounty0.0443%$635
Upper Brushy Creek WCIDWater0.0170%$244
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$25,780
50 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $1,648,465 would pay approximately $10,290 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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