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1807 MAYS ST N, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed1,200 sqftBuilt 1980

Property at a Glance

This home is estimated between $171,162 and $1,126,445, with a best estimate of $225,151. 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

$171,162 $1,126,445
Best Estimate
$225,151
WCAD Value
$597,211
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 $171,162 and $1,126,445 should be treated as a rough guide.

Comparable Properties (5)

3 bed 1,100 sqft Built 1980
Raw Value $1,102,300
Adjusted Value $1,126,445

Adjusted +$24,145 for 100 sqft more living space. Net adjustment: +$24,145.

3 bed 2 bath 1,563 sqft Built 1975
Raw Value $403,479
Adjusted Value $255,132

Adjusted -$87,648 for 363 sqft less living space and -$506 for being older and -$60,193 for no garage. Net adjustment: -$148,347.

3 bed 2 bath 1,180 sqft Built 1981
Raw Value $226,425
Adjusted Value $171,162

Adjusted +$4,829 for 20 sqft more living space and +$101 for being newer and -$60,193 for no garage. Net adjustment: -$55,263.

3 bed 2 bath 1,234 sqft Built 1981
Raw Value $275,641
Adjusted Value $207,340

Adjusted -$8,209 for 34 sqft less living space and +$101 for being newer and -$60,193 for no garage. Net adjustment: -$68,301.

3 bed 2 bath 1,324 sqft Built 1982
Raw Value $315,082
Adjusted Value $225,151

Adjusted -$29,940 for 124 sqft less living space and +$202 for being newer and -$60,193 for no garage. Net adjustment: -$89,931.

The Neighborhood

This home is valued 62.5% below the R20SG - Service Garage-e Round Rock median of $1,591,602. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 40.6% over the past year.

R20SG - Service Garage-e Round Rock

outlier low
8 Properties
$1,591,602 Median Value
+40.6% YoY Change
0% Have Pool
0% Have Garage
This Home
$597,211
Median
$1,591,602

This home is -62.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $10,536 across all districts. With a homestead exemption claimed, that drops to $9,177 — saving $1,359 per year. That's $765 per month a buyer should budget. The assessed value increased +22.4% vs the subdivision average of +40.6%. 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%$5,230
Round RockCity0.3720%$2,178
Williamson CountyCounty0.3694%$2,163
Austin Community Collegespecial0.1034%$605
Williamson County FM/RdCounty0.0443%$260
Upper Brushy Creek WCIDWater0.0170%$100
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$10,536
50 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $225,151 would pay approximately $1,405 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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