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609 KOLBO DR, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath1,592 sqftBuilt 2017

Property at a Glance

This home is estimated between $301,019 and $542,807, with a best estimate of $348,917. 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

$301,019 $542,807
Best Estimate
$348,917
WCAD Value
$613,463
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 $301,019 and $542,807 should be treated as a rough guide.

Comparable Properties (5)

4 bed 3 bath 1,658 sqft Built 2011
Raw Value $539,208
Adjusted Value $542,807

Adjusted -$17,530 for 66 sqft less living space and +$21,129 for being newer. Net adjustment: +$3,599.

4 bed 3 bath 1,575 sqft Built 2017
Raw Value $499,392
Adjusted Value $503,907

Adjusted +$4,515 for 17 sqft more living space. Net adjustment: +$4,515.

4 bed 3 bath 1,887 sqft Built 2016
Raw Value $423,749
Adjusted Value $348,917

Adjusted -$78,353 for 295 sqft less living space and +$3,521 for being newer. Net adjustment: -$74,832.

4 bed 3 bath 1,920 sqft Built 2016
Raw Value $384,616
Adjusted Value $301,019

Adjusted -$87,118 for 328 sqft less living space and +$3,521 for being newer. Net adjustment: -$83,597.

3 bed 2 bath 1,706 sqft Built 2017
Raw Value $347,933
Adjusted Value $317,654

Adjusted -$30,279 for 114 sqft less living space. Net adjustment: -$30,279.

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
$613,463
Median
$686,297

This home is -10.6% below the subdivision median.

Tax Analysis

The estimated annual property tax is $11,038 across all districts. With a homestead exemption claimed, that drops to $9,674 — 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%$2,266
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%$11,038

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $348,917 would pay approximately $2,178 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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