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16905 KORAT LN, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

4 bed1 bath2,281 sqftBuilt 1996

Property at a Glance

This home is estimated between $634,627 and $952,144, with a best estimate of $675,217. That places the property above the R222592G - CAT HOLLOW ALL SECTIONS R4 median of $451,685, in a neighborhood that declined 6.9% over the past year.

Estimated Value Range

$634,627 $952,144
Best Estimate
$675,217
WCAD Value
$453,653
Low Confidence

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

There are 5 comparable properties within range, but none are in R222592G - CAT HOLLOW ALL SECTIONS R4. The estimated range of $634,627 and $952,144 should be treated as a rough guide.

Comparable Properties (5)

4 bed 2 bath 2,393 sqft Built 1988
Raw Value $605,135
Adjusted Value $634,627

Adjusted -$30,233 for 112 sqft less living space and +$59,725 for being newer. Net adjustment: +$29,492.

4 bed 2 bath 2,642 sqft Built 1993
Raw Value $716,428
Adjusted Value $641,377

Adjusted -$97,448 for 361 sqft less living space and +$22,397 for being newer. Net adjustment: -$75,051.

4 bed 3 bath 2,587 sqft Built 1995
Raw Value $775,949
Adjusted Value $700,814

Adjusted -$82,601 for 306 sqft less living space and +$7,466 for being newer. Net adjustment: -$75,135.

4 bed 2 bath 2,570 sqft Built 1988
Raw Value $693,504
Adjusted Value $675,217

Adjusted -$78,012 for 289 sqft less living space and +$59,725 for being newer. Net adjustment: -$18,287.

4 bed 2 bath 1,920 sqft Built 1992
Raw Value $824,834
Adjusted Value $952,144

Adjusted +$97,448 for 361 sqft more living space and +$29,862 for being newer. Net adjustment: +$127,310.

The Neighborhood

This home is in line with the R222592G - CAT HOLLOW ALL SECTIONS R4 median of $451,685. Note that values in this subdivision declined 6.9% over the past year.

R222592G - CAT HOLLOW ALL SECTIONS R4

typical
1,233 Properties
$451,685 Median Value
-6.9% YoY Change
1% Have Pool
100% Have Garage
This Home
$453,653
Median
$451,685

This home is +0.4% above the subdivision median.

Tax Analysis

The estimated annual property tax is $8,683 across all districts. With a homestead exemption claimed, that drops to $7,349 — saving $1,334 per year. That's $612 per month a buyer should budget. The assessed value increased +1.0% vs the subdivision average of -6.9%. This above-average increase gives a protest opportunity score of 40 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$4,052
Brushy Creek MUDMUD0.3868%$1,755
Williamson CountyCounty0.3694%$1,676
Austin Community Collegespecial0.1034%$469
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$454
Williamson County FM/RdCounty0.0443%$201
Upper Brushy Creek WCIDWater0.0170%$77
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9141%$8,683
40 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $675,217 would pay approximately $4,215 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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