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

517 MAPLE RUN, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,360 sqftBuilt 1986

Property at a Glance

This home is estimated between $248,019 and $345,700, with a best estimate of $276,913. That places the property below the R510485H - SOUTHCREEK median of $335,905, in a neighborhood that declined 4.2% over the past year.

Estimated Value Range

$248,019 $345,700
Best Estimate
$276,913
WCAD Value
$291,783
High Confidence

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

Based on 5 comparable properties in R510485H - SOUTHCREEK, this home's estimated market value is between $248,019 and $345,700. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

500 MAPLE RUN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,648 sqft Built 1998
Raw Value $363,126
Adjusted Value $276,913

Adjusted -$68,521 for 288 sqft less living space and -$17,692 for being older. Net adjustment: -$86,213.

523 MAPLE RUN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,105 sqft Built 1986
Raw Value $285,031
Adjusted Value $345,700

Adjusted +$60,669 for 255 sqft more living space. Net adjustment: +$60,669.

402 MAPLE RUN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,742 sqft Built 1986
Raw Value $338,904
Adjusted Value $248,019

Adjusted -$90,885 for 382 sqft less living space. Net adjustment: -$90,885.

401 MAPLE RUN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,704 sqft Built 1988
Raw Value $334,552
Adjusted Value $249,759

Adjusted -$81,844 for 344 sqft less living space and -$2,949 for being older. Net adjustment: -$84,793.

521 MAPLE RUN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,282 sqft Built 1986
Raw Value $283,612
Adjusted Value $302,170

Adjusted +$18,558 for 78 sqft more living space. Net adjustment: +$18,558.

The Neighborhood

This home is valued 13.1% below the R510485H - SOUTHCREEK median of $335,905. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 4.2% over the past year.

R510485H - SOUTHCREEK

typical
1,020 Properties
$335,905 Median Value
-4.2% YoY Change
1% Have Pool
97% Have Garage
This Home
$291,783
Median
$335,905

This home is -13.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,250 across all districts. With a homestead exemption claimed, that drops to $3,946 — saving $1,304 per year. That's $329 per month a buyer should budget. The assessed value increased roughly in line with the neighborhood, so a tax protest is unlikely to yield significant savings.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$2,606
Round RockCity0.3720%$1,085
Williamson CountyCounty0.3694%$1,078
Austin Community Collegespecial0.1034%$302
Williamson County FM/RdCounty0.0443%$129
Upper Brushy Creek WCIDWater0.0170%$50
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,250

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $276,913 would pay approximately $1,728 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