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1551 HAYNIE BND, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,260 sqftBuilt 2009

Property at a Glance

This home is estimated between $110,497 and $386,082, with a best estimate of $228,503. 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

$110,497 $386,082
Best Estimate
$228,503
WCAD Value
$383,209
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 $110,497 and $386,082. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1547 HAYNIE BND, ROUND ROCK, TX 78665
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,493 sqft Built 2009
Raw Value $282,453
Adjusted Value $228,503

Adjusted -$53,950 for 233 sqft less living space. Net adjustment: -$53,950.

1555 HAYNIE BND, ROUND ROCK, TX 78665
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,864 sqft Built 2006
Raw Value $324,540
Adjusted Value $172,352

Adjusted -$139,854 for 604 sqft less living space and -$12,334 for being older. Net adjustment: -$152,188.

1543 HAYNIE BND, ROUND ROCK, TX 78665
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,260 sqft Built 2007
Raw Value $386,000
Adjusted Value $377,777

Adjusted -$8,223 for being older. Net adjustment: -$8,223.

3636 SANDY BROOK DR, ROUND ROCK, TX 78665
0.02 mi 100% similar Same subdivision
3 bed 2 bath 2,006 sqft Built 2006
Raw Value $295,564
Adjusted Value $110,497

Adjusted -$172,733 for 746 sqft less living space and -$12,334 for being older. Net adjustment: -$185,067.

1559 HAYNIE BND, ROUND ROCK, TX 78665
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,050 sqft Built 2006
Raw Value $349,791
Adjusted Value $386,082

Adjusted +$48,625 for 210 sqft more living space and -$12,334 for being older. Net adjustment: +$36,291.

The Neighborhood

This home is valued 16.8% 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

above average
197 Properties
$328,056 Median Value
-4.7% YoY Change
0% Have Pool
100% Have Garage
This Home
$383,209
Median
$328,056

This home is +16.8% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,895 across all districts. With a homestead exemption claimed, that drops to $5,574 — saving $1,321 per year. That's $465 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%$3,422
Round RockCity0.3720%$1,426
Williamson CountyCounty0.3694%$1,416
Austin Community Collegespecial0.1034%$396
Williamson County FM/RdCounty0.0443%$170
Upper Brushy Creek WCIDWater0.0170%$65
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,895

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $228,503 would pay approximately $1,426 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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