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

609/611 GREENLAWN BLVD, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed4 bath1,645 sqftBuilt 1985

Property at a Glance

This home is estimated between $304,699 and $342,934, with a best estimate of $326,111. 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

$304,699 $342,934
Best Estimate
$326,111
WCAD Value
$330,801
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 $304,699 and $342,934. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

612/614 GREENLAWN BLVD, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 4 bath 1,821 sqft Built 1985
Raw Value $377,133
Adjusted Value $342,934

Adjusted -$34,199 for 176 sqft less living space. Net adjustment: -$34,199.

400 GREENLAWN BLVD, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 4 bath 1,917 sqft Built 1984
Raw Value $371,302
Adjusted Value $319,449

Adjusted -$52,853 for 272 sqft less living space and +$1,000 for being newer. Net adjustment: -$51,853.

624/626 GREENLAWN BLVD, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 4 bath 1,821 sqft Built 1985
Raw Value $360,686
Adjusted Value $326,487

Adjusted -$34,199 for 176 sqft less living space. Net adjustment: -$34,199.

625/627 GREENLAWN BLVD, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 4 bath 1,821 sqft Built 1985
Raw Value $360,310
Adjusted Value $326,111

Adjusted -$34,199 for 176 sqft less living space. Net adjustment: -$34,199.

705/707 GREENLAWN BLVD, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 4 bath 1,982 sqft Built 1985
Raw Value $370,182
Adjusted Value $304,699

Adjusted -$65,483 for 337 sqft less living space. Net adjustment: -$65,483.

The Neighborhood

This home is valued 6.9% below the R450X - Round Rock East - Duplex median of $355,449. That positions it competitively for buyers comparing within the neighborhood. 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
$330,801
Median
$355,449

This home is -6.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,952 across all districts. With a homestead exemption claimed, that drops to $4,641 — saving $1,311 per year. That's $387 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%$2,954
Round RockCity0.3720%$1,231
Williamson CountyCounty0.3694%$1,222
Austin Community Collegespecial0.1034%$342
Williamson County FM/RdCounty0.0443%$147
Upper Brushy Creek WCIDWater0.0170%$56
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,952

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $326,111 would pay approximately $2,036 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