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509/510 BURLWOOD CT, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

5 bed4 bath999 sqftBuilt 1984

Property at a Glance

This home is estimated between $180,916 and $445,643, with a best estimate of $209,594. That places the property below the R450X - Round Rock East - Duplex median of $355,449, in a neighborhood that declined 8.7% over the past year.

Estimated Value Range

$180,916 $445,643
Best Estimate
$209,594
WCAD Value
$365,318
High Confidence

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

Based on 5 comparable properties in R450X - Round Rock East - Duplex, this home's estimated market value is between $180,916 and $445,643. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

517/518 WILLOWBEND CV, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
5 bed 4 bath 994 sqft Built 1984
Raw Value $386,026
Adjusted Value $386,998

Adjusted +$972 for 5 sqft more living space. Net adjustment: +$972.

516/518 GREGORY CT, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
5 bed 4 bath 1,042 sqft Built 1994
Raw Value $464,000
Adjusted Value $445,643

Adjusted -$8,355 for 43 sqft less living space and -$10,002 for being older. Net adjustment: -$18,357.

510/512 WILLOWBEND CV, ROUND ROCK, TX 78664
0.00 mi 94% similar Same subdivision
3 bed 4 bath 1,770 sqft Built 1984
Raw Value $336,657
Adjusted Value $186,842

Adjusted -$149,815 for 771 sqft less living space. Net adjustment: -$149,815.

517/519 GREENLAWN BLVD, ROUND ROCK, TX 78664
0.00 mi 94% similar Same subdivision
3 bed 4 bath 1,772 sqft Built 1984
Raw Value $359,798
Adjusted Value $209,594

Adjusted -$150,204 for 773 sqft less living space. Net adjustment: -$150,204.

510/512 SIERRA CV, ROUND ROCK, TX 78664
0.00 mi 93% similar Same subdivision
3 bed 4 bath 1,815 sqft Built 1984
Raw Value $339,475
Adjusted Value $180,916

Adjusted -$158,559 for 816 sqft less living space. Net adjustment: -$158,559.

The Neighborhood

This home is valued 2.8% above the R450X - Round Rock East - Duplex median of $355,449. With 836 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 8.7% over the past year.

R450X - Round Rock East - Duplex

typical
836 Properties
$355,449 Median Value
-8.7% YoY Change
0% Have Pool
84% Have Garage
This Home
$365,318
Median
$355,449

This home is +2.8% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,573 across all districts. With a homestead exemption claimed, that drops to $5,255 — saving $1,318 per year. That's $438 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%$3,263
Round RockCity0.3720%$1,359
Williamson CountyCounty0.3694%$1,350
Austin Community Collegespecial0.1034%$378
Williamson County FM/RdCounty0.0443%$162
Upper Brushy Creek WCIDWater0.0170%$62
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,573

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $209,594 would pay approximately $1,308 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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