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603 TRAILSIDE BND, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath3,086 sqftBuilt 2015

Property at a Glance

This home is estimated between $655,923 and $774,823, with a best estimate of $712,080. That places the property above the R500515C - FOREST GROVE median of $686,297, in a neighborhood that declined 2.9% over the past year.

Estimated Value Range

$655,923 $774,823
Best Estimate
$712,080
WCAD Value
$719,692
High Confidence

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

Based on 5 comparable properties in R500515C - FOREST GROVE, this home's estimated market value is between $655,923 and $774,823. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

620 TRAILSIDE BND, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,741 sqft Built 2015
Raw Value $611,599
Adjusted Value $703,233

Adjusted +$91,634 for 345 sqft more living space. Net adjustment: +$91,634.

600 TRAILSIDE BND, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,672 sqft Built 2016
Raw Value $663,236
Adjusted Value $769,675

Adjusted +$109,960 for 414 sqft more living space and -$3,521 for being older. Net adjustment: +$106,439.

731 TRAILSIDE BND, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,672 sqft Built 2016
Raw Value $605,641
Adjusted Value $712,080

Adjusted +$109,960 for 414 sqft more living space and -$3,521 for being older. Net adjustment: +$106,439.

615 TRAILSIDE BND, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 3,160 sqft Built 2015
Raw Value $675,578
Adjusted Value $655,923

Adjusted -$19,655 for 74 sqft less living space. Net adjustment: -$19,655.

735 TRAILSIDE BND, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,391 sqft Built 2016
Raw Value $593,749
Adjusted Value $774,823

Adjusted +$184,595 for 695 sqft more living space and -$3,521 for being older. Net adjustment: +$181,074.

The Neighborhood

This home is valued 4.9% above the R500515C - FOREST GROVE median of $686,297. With 197 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 2.9% over the past year.

R500515C - FOREST GROVE

typical
197 Properties
$686,297 Median Value
-2.9% YoY Change
1% Have Pool
100% Have Garage
This Home
$719,692
Median
$686,297

This home is +4.9% above the subdivision median.

Tax Analysis

The estimated annual property tax is $12,949 across all districts. With a homestead exemption claimed, that drops to $11,566 — saving $1,383 per year. That's $964 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%$6,428
Round RockCity0.3720%$2,677
Williamson CountyCounty0.3694%$2,659
Austin Community Collegespecial0.1034%$744
Williamson County FM/RdCounty0.0443%$319
Upper Brushy Creek WCIDWater0.0170%$122
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$12,949

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $712,080 would pay approximately $4,445 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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