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1519 HAYNIE BND, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,878 sqftBuilt 2007

Property at a Glance

This home is estimated between $283,760 and $534,318, with a best estimate of $348,840. 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

$283,760 $534,318
Best Estimate
$348,840
WCAD Value
$320,453
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 $283,760 and $534,318. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1523 HAYNIE BND, ROUND ROCK, TX 78665
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,260 sqft Built 2009
Raw Value $382,999
Adjusted Value $534,318

Adjusted +$143,096 for 618 sqft more living space and +$8,223 for being newer. Net adjustment: +$151,319.

1515 HAYNIE BND, ROUND ROCK, TX 78665
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,982 sqft Built 2007
Raw Value $307,841
Adjusted Value $283,760

Adjusted -$24,081 for 104 sqft less living space. Net adjustment: -$24,081.

3608 SANDY BROOK DR, ROUND ROCK, TX 78665
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,571 sqft Built 2006
Raw Value $281,866
Adjusted Value $348,840

Adjusted +$71,085 for 307 sqft more living space and -$4,111 for being older. Net adjustment: +$66,974.

1527 HAYNIE BND, ROUND ROCK, TX 78665
0.02 mi 100% similar Same subdivision
4 bed 2 bath 1,554 sqft Built 2008
Raw Value $379,144
Adjusted Value $458,276

Adjusted +$75,021 for 324 sqft more living space and +$4,111 for being newer. Net adjustment: +$79,132.

3600 SANDY BROOK DR, ROUND ROCK, TX 78665
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,864 sqft Built 2007
Raw Value $334,916
Adjusted Value $338,158

Adjusted +$3,242 for 14 sqft more living space. Net adjustment: +$3,242.

The Neighborhood

This home is valued 2.3% 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
$320,453
Median
$328,056

This home is -2.3% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,766 across all districts. With a homestead exemption claimed, that drops to $4,456 — saving $1,310 per year. That's $371 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%$2,862
Round RockCity0.3720%$1,192
Williamson CountyCounty0.3694%$1,184
Austin Community Collegespecial0.1034%$331
Williamson County FM/RdCounty0.0443%$142
Upper Brushy Creek WCIDWater0.0170%$54
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,766

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $348,840 would pay approximately $2,177 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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