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1531 HAYNIE BND, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath1,240 sqftBuilt 2008

Property at a Glance

This home is estimated between $236,160 and $382,479, with a best estimate of $318,642. That places the property below the R409599G - STONEY BROOK - ALL SECTIONS median of $328,056, in a neighborhood that declined 4.7% over the past year.

Estimated Value Range

$236,160 $382,479
Best Estimate
$318,642
WCAD Value
$374,238
High Confidence

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

Based on 5 comparable properties in R409599G - STONEY BROOK - ALL SECTIONS, this home's estimated market value is between $236,160 and $382,479. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1527 HAYNIE BND, ROUND ROCK, TX 78665
0.01 mi 100% similar Same subdivision
4 bed 2 bath 1,554 sqft Built 2008
Raw Value $379,144
Adjusted Value $306,438

Adjusted -$72,706 for 314 sqft less living space. Net adjustment: -$72,706.

1523 HAYNIE BND, ROUND ROCK, TX 78665
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,260 sqft Built 2009
Raw Value $382,999
Adjusted Value $382,479

Adjusted -$4,631 for 20 sqft less living space and +$4,111 for being newer. Net adjustment: -$520.

3616 SANDY BROOK DR, ROUND ROCK, TX 78665
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,482 sqft Built 2009
Raw Value $288,083
Adjusted Value $236,160

Adjusted -$56,034 for 242 sqft less living space and +$4,111 for being newer. Net adjustment: -$51,923.

3624 SANDY BROOK DR, ROUND ROCK, TX 78665
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,611 sqft Built 2007
Raw Value $408,657
Adjusted Value $318,642

Adjusted -$85,904 for 371 sqft less living space and -$4,111 for being older. Net adjustment: -$90,015.

1543 HAYNIE BND, ROUND ROCK, TX 78665
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,260 sqft Built 2007
Raw Value $386,000
Adjusted Value $377,258

Adjusted -$4,631 for 20 sqft less living space and -$4,111 for being older. Net adjustment: -$8,742.

The Neighborhood

This home is valued 14.1% above the R409599G - STONEY BROOK - ALL SECTIONS median of $328,056. With 197 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 4.7% over the past year.

R409599G - STONEY BROOK - ALL SECTIONS

typical
197 Properties
$328,056 Median Value
-4.7% YoY Change
0% Have Pool
100% Have Garage
This Home
$374,238
Median
$328,056

This home is +14.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,734 across all districts. With a homestead exemption claimed, that drops to $5,414 — saving $1,320 per year. That's $451 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%$3,342
Round RockCity0.3720%$1,392
Williamson CountyCounty0.3694%$1,383
Austin Community Collegespecial0.1034%$387
Williamson County FM/RdCounty0.0443%$166
Upper Brushy Creek WCIDWater0.0170%$64
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,734

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $318,642 would pay approximately $1,989 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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