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520 MAPLE RUN, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,030 sqftBuilt 1986

Property at a Glance

This home is estimated between $169,506 and $413,362, with a best estimate of $267,187. 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

$169,506 $413,362
Best Estimate
$267,187
WCAD Value
$326,119
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 $169,506 and $413,362. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

503 MAPLE RUN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 790 sqft Built 1985
Raw Value $325,624
Adjusted Value $384,199

Adjusted +$57,101 for 240 sqft more living space and +$1,474 for being newer. Net adjustment: +$58,575.

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 $267,187

Adjusted -$17,844 for 75 sqft less living space. Net adjustment: -$17,844.

519 MAPLE RUN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 671 sqft Built 1986
Raw Value $327,949
Adjusted Value $413,362

Adjusted +$85,413 for 359 sqft more living space. Net adjustment: +$85,413.

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 $169,506

Adjusted -$169,398 for 712 sqft less living space. Net adjustment: -$169,398.

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 $171,246

Adjusted -$160,357 for 674 sqft less living space and -$2,949 for being older. Net adjustment: -$163,306.

The Neighborhood

This home is valued 2.9% 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
$326,119
Median
$335,905

This home is -2.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,868 across all districts. With a homestead exemption claimed, that drops to $4,557 — saving $1,311 per year. That's $380 per month a buyer should budget. The assessed value increased +3.4% vs the subdivision average of -4.2%. This above-average increase gives a protest opportunity score of 38 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$2,913
Round RockCity0.3720%$1,213
Williamson CountyCounty0.3694%$1,205
Austin Community Collegespecial0.1034%$337
Williamson County FM/RdCounty0.0443%$145
Upper Brushy Creek WCIDWater0.0170%$55
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,868
38 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $267,187 would pay approximately $1,668 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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