Beta Williamson County, TX only — data and coverage are limited during early access.

805 MAYS ST S, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed3,300 sqftBuilt 1970

Property at a Glance

This home is estimated between $763,199 and $2,302,676, with a best estimate of $1,118,825.

Estimated Value Range

$763,199 $2,302,676
Best Estimate
$1,118,825
WCAD Value
$516,963
Low Confidence

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

There are 5 comparable properties within range, but none are in R20RFC - COMM VALUATION REF ACCT. The estimated range of $763,199 and $2,302,676 should be treated as a rough guide.

Comparable Properties (5)

3 bed 1,892 sqft Built 1965
Raw Value $739,137
Adjusted Value $1,078,599

Adjusted +$339,968 for 1,408 sqft more living space and -$506 for being older. Net adjustment: +$339,462.

3 bed 5,267 sqft Built 1986
Raw Value $1,592,148
Adjusted Value $1,118,825

Adjusted -$474,941 for 1,967 sqft less living space and +$1,618 for being newer. Net adjustment: -$473,323.

3 bed 2 bath 1,563 sqft Built 1975
Raw Value $403,479
Adjusted Value $763,199

Adjusted +$419,407 for 1,737 sqft more living space and +$506 for being newer and -$60,193 for no garage. Net adjustment: +$359,720.

3 bed 2,928 sqft Built 2023
Raw Value $2,207,495
Adjusted Value $2,302,676

Adjusted +$89,821 for 372 sqft more living space and +$5,360 for being newer. Net adjustment: +$95,181.

3 bed 1,100 sqft Built 1980
Raw Value $1,102,300
Adjusted Value $1,634,511

Adjusted +$531,200 for 2,200 sqft more living space and +$1,011 for being newer. Net adjustment: +$532,211.

The Neighborhood

Subdivision comparison data is not available for this property.

Tax Analysis

The estimated annual property tax is $0 across all districts. That's $0 per month. The assessed value increased +0.4%. This increase gives a protest opportunity score of 50 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Road District (REF)Road0.0000%$0
Total Annual Tax0.0000%$0
50 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $1,118,825 would pay approximately $6,984 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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