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

1576 HAYNIE BND, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,987 sqftBuilt 2008

Property at a Glance

This home is estimated between $347,868 and $551,955, with a best estimate of $456,439. That places the property above the R409599G - STONEY BROOK - ALL SECTIONS median of $328,056, in a neighborhood that declined 4.7% over the past year.

Estimated Value Range

$347,868 $551,955
Best Estimate
$456,439
WCAD Value
$321,608
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 $347,868 and $551,955. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1572 HAYNIE BND, ROUND ROCK, TX 78665
0.01 mi 100% similar Same subdivision
4 bed 2 bath 1,563 sqft Built 2007
Raw Value $379,918
Adjusted Value $473,983

Adjusted +$98,176 for 424 sqft more living space and -$4,111 for being older. Net adjustment: +$94,065.

1580 HAYNIE BND, ROUND ROCK, TX 78665
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,388 sqft Built 2006
Raw Value $325,966
Adjusted Value $456,439

Adjusted +$138,696 for 599 sqft more living space and -$8,223 for being older. Net adjustment: +$130,473.

1568 HAYNIE BND, ROUND ROCK, TX 78665
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,845 sqft Built 2006
Raw Value $323,211
Adjusted Value $347,868

Adjusted +$32,880 for 142 sqft more living space and -$8,223 for being older. Net adjustment: +$24,657.

1584 HAYNIE BND, ROUND ROCK, TX 78665
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,700 sqft Built 2006
Raw Value $310,508
Adjusted Value $368,739

Adjusted +$66,454 for 287 sqft more living space and -$8,223 for being older. Net adjustment: +$58,231.

1577 HAYNIE BND, ROUND ROCK, TX 78665
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,220 sqft Built 2007
Raw Value $378,470
Adjusted Value $551,955

Adjusted +$177,596 for 767 sqft more living space and -$4,111 for being older. Net adjustment: +$173,485.

The Neighborhood

This home is valued 2.0% below the R409599G - STONEY BROOK - ALL SECTIONS median of $328,056. That positions it competitively for buyers comparing within the neighborhood. 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
$321,608
Median
$328,056

This home is -2.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,787 across all districts. With a homestead exemption claimed, that drops to $4,477 — saving $1,310 per year. That's $373 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%$2,872
Round RockCity0.3720%$1,196
Williamson CountyCounty0.3694%$1,188
Austin Community Collegespecial0.1034%$333
Williamson County FM/RdCounty0.0443%$143
Upper Brushy Creek WCIDWater0.0170%$55
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,787

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $456,439 would pay approximately $2,849 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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