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

304 MAYS ST N, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2,380 sqftBuilt 2005

Property at a Glance

This home is estimated between $436,441 and $2,076,999, with a best estimate of $467,266. That places the property below the R20SG - Service Garage-e Round Rock median of $1,591,602, in a neighborhood that appreciated 40.6% over the past year.

Estimated Value Range

$436,441 $2,076,999
Best Estimate
$467,266
WCAD Value
$2,106,058
Low Confidence

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

There are 5 comparable properties within range, but none are in R20SG - Service Garage-e Round Rock. The estimated range of $436,441 and $2,076,999 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2,928 sqft Built 2023
Raw Value $2,207,495
Adjusted Value $2,076,999

Adjusted -$132,317 for 548 sqft less living space and +$1,821 for being newer. Net adjustment: -$130,496.

3 bed 1,892 sqft Built 1965
Raw Value $739,137
Adjusted Value $852,921

Adjusted +$117,830 for 488 sqft more living space and -$4,046 for being older. Net adjustment: +$113,784.

3 bed 2 bath 1,530 sqft Built 2002
Raw Value $291,701
Adjusted Value $436,441

Adjusted +$205,236 for 850 sqft more living space and -$303 for being older and -$60,193 for no garage. Net adjustment: +$144,740.

3 bed 2 bath 1,524 sqft Built 2002
Raw Value $321,077
Adjusted Value $467,266

Adjusted +$206,685 for 856 sqft more living space and -$303 for being older and -$60,193 for no garage. Net adjustment: +$146,189.

3 bed 2 bath 1,486 sqft Built 2002
Raw Value $293,914
Adjusted Value $449,278

Adjusted +$215,860 for 894 sqft more living space and -$303 for being older and -$60,193 for no garage. Net adjustment: +$155,364.

The Neighborhood

This home is valued 32.3% above the R20SG - Service Garage-e Round Rock median of $1,591,602. With 8 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 40.6% over the past year.

R20SG - Service Garage-e Round Rock

above average
8 Properties
$1,591,602 Median Value
+40.6% YoY Change
0% Have Pool
0% Have Garage
This Home
$2,106,058
Median
$1,591,602

This home is +32.3% above the subdivision median.

Tax Analysis

The estimated annual property tax is $33,698 across all districts. With a homestead exemption claimed, that drops to $32,101 — saving $1,597 per year. That's $2,675 per month a buyer should budget. The assessed value increased +53.6% vs the subdivision average of +40.6%. This above-average increase gives a protest opportunity score of 100 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$16,726
Round RockCity0.3720%$6,967
Williamson CountyCounty0.3694%$6,919
Austin Community Collegespecial0.1034%$1,937
Williamson County FM/RdCounty0.0443%$830
Upper Brushy Creek WCIDWater0.0170%$318
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$33,698
100 / 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 $467,266 would pay approximately $2,917 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.

View full property details