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8505 CHAT LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,913 sqftBuilt 1995

Property at a Glance

This home is estimated between $474,634 and $738,229, with a best estimate of $628,293. 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

$474,634 $738,229
Best Estimate
$628,293
WCAD Value
$406,812
Low Confidence

Based on 5 comparable properties(1 in the same subdivision)

There are 5 comparable properties within range, but few are in R222592G - CAT HOLLOW ALL SECTIONS R4. The estimated range of $474,634 and $738,229 should be treated as a rough guide.

Comparable Properties (5)

4 bed 2 bath 1,815 sqft Built 2000
Raw Value $658,588
Adjusted Value $647,714

Adjusted +$26,454 for 98 sqft more living space and -$37,328 for being older. Net adjustment: -$10,874.

4 bed 2 bath 2,025 sqft Built 1999
Raw Value $688,388
Adjusted Value $628,293

Adjusted -$30,233 for 112 sqft less living space and -$29,862 for being older. Net adjustment: -$60,095.

8503 CHAT LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,536 sqft Built 1995
Raw Value $372,867
Adjusted Value $474,634

Adjusted +$101,767 for 377 sqft more living space. Net adjustment: +$101,767.

4 bed 2 bath 1,975 sqft Built 1999
Raw Value $628,956
Adjusted Value $582,358

Adjusted -$16,736 for 62 sqft less living space and -$29,862 for being older. Net adjustment: -$46,598.

4 bed 2 bath 1,929 sqft Built 2000
Raw Value $779,876
Adjusted Value $738,229

Adjusted -$4,319 for 16 sqft less living space and -$37,328 for being older. Net adjustment: -$41,647.

The Neighborhood

This home is valued 9.9% below the R222592G - CAT HOLLOW ALL SECTIONS R4 median of $451,685. That positions it competitively for buyers comparing within the neighborhood. 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
$406,812
Median
$451,685

This home is -9.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,787 across all districts. With a homestead exemption claimed, that drops to $6,461 — saving $1,326 per year. That's $538 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%$3,633
Brushy Creek MUDMUD0.3868%$1,574
Williamson CountyCounty0.3694%$1,503
Austin Community Collegespecial0.1034%$421
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$407
Williamson County FM/RdCounty0.0443%$180
Upper Brushy Creek WCIDWater0.0170%$69
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9141%$7,787

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $628,293 would pay approximately $3,922 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 4/19/2026.

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