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

1906 MAYS ST N, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed4,000 sqftBuilt 1960

Property at a Glance

This home is estimated between $933,228 and $2,472,706, with a best estimate of $1,288,855. 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

$933,228 $2,472,706
Best Estimate
$1,288,855
WCAD Value
$1,850,923
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 $933,228 and $2,472,706 should be treated as a rough guide.

Comparable Properties (5)

3 bed 5,267 sqft Built 1986
Raw Value $1,592,148
Adjusted Value $1,288,855

Adjusted -$305,923 for 1,267 sqft less living space and +$2,630 for being newer. Net adjustment: -$303,293.

3 bed 1,892 sqft Built 1965
Raw Value $739,137
Adjusted Value $1,248,629

Adjusted +$508,986 for 2,108 sqft more living space and +$506 for being newer. Net adjustment: +$509,492.

3 bed 2 bath 1,563 sqft Built 1975
Raw Value $403,479
Adjusted Value $933,228

Adjusted +$588,425 for 2,437 sqft more living space and +$1,517 for being newer and -$60,193 for no garage. Net adjustment: +$529,749.

3 bed 2,928 sqft Built 2023
Raw Value $2,207,495
Adjusted Value $2,472,706

Adjusted +$258,839 for 1,072 sqft more living space and +$6,372 for being newer. Net adjustment: +$265,211.

3 bed 1,100 sqft Built 1980
Raw Value $1,102,300
Adjusted Value $1,804,541

Adjusted +$700,218 for 2,900 sqft more living space and +$2,023 for being newer. Net adjustment: +$702,241.

The Neighborhood

This home is valued 16.3% 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
$1,850,923
Median
$1,591,602

This home is +16.3% above the subdivision median.

Tax Analysis

The estimated annual property tax is $28,069 across all districts. With a homestead exemption claimed, that drops to $26,530 — saving $1,539 per year. That's $2,211 per month a buyer should budget. The assessed value increased +42.4% vs the subdivision average of +40.6%. This increase gives a protest opportunity score of 59 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$13,932
Round RockCity0.3720%$5,803
Williamson CountyCounty0.3694%$5,763
Austin Community Collegespecial0.1034%$1,613
Williamson County FM/RdCounty0.0443%$692
Upper Brushy Creek WCIDWater0.0170%$265
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$28,069
59 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $1,288,855 would pay approximately $8,045 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