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531 KOLBO DR, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2,738 sqftBuilt 2016

Property at a Glance

This home is estimated between $448,121 and $910,156, with a best estimate of $495,151. That places the property below the R500515C - FOREST GROVE median of $686,297, in a neighborhood that declined 2.9% over the past year.

Estimated Value Range

$448,121 $910,156
Best Estimate
$495,151
WCAD Value
$613,500
Low Confidence

Based on 5 comparable properties(0 in the same subdivision)

There are 5 comparable properties within range, but none are in R500515C - FOREST GROVE. The estimated range of $448,121 and $910,156 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 2,448 sqft Built 2017
Raw Value $421,647
Adjusted Value $495,151

Adjusted +$77,025 for 290 sqft more living space and -$3,521 for being older. Net adjustment: +$73,504.

3 bed 2 bath 2,685 sqft Built 2018
Raw Value $441,087
Adjusted Value $448,121

Adjusted +$14,077 for 53 sqft more living space and -$7,043 for being older. Net adjustment: +$7,034.

4 bed 2 bath 2,740 sqft Built 2018
Raw Value $464,980
Adjusted Value $457,406

Adjusted -$531 for 2 sqft less living space and -$7,043 for being older. Net adjustment: -$7,574.

3 bed 2 bath 2,208 sqft Built 2014
Raw Value $431,179
Adjusted Value $578,992

Adjusted +$140,770 for 530 sqft more living space and +$7,043 for being newer. Net adjustment: +$147,813.

4 bed 3 bath 2,470 sqft Built 2013
Raw Value $828,410
Adjusted Value $910,156

Adjusted +$71,182 for 268 sqft more living space and +$10,564 for being newer. Net adjustment: +$81,746.

The Neighborhood

This home is valued 10.6% below the R500515C - FOREST GROVE median of $686,297. That positions it competitively for buyers comparing within the neighborhood. 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
$613,500
Median
$686,297

This home is -10.6% below the subdivision median.

Tax Analysis

The estimated annual property tax is $11,039 across all districts. With a homestead exemption claimed, that drops to $9,675 — saving $1,364 per year. That's $806 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%$5,479
Round RockCity0.3720%$2,282
Williamson CountyCounty0.3694%$2,267
Austin Community Collegespecial0.1034%$634
Williamson County FM/RdCounty0.0443%$272
Upper Brushy Creek WCIDWater0.0170%$104
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$11,039

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $495,151 would pay approximately $3,091 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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