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3920 GRAYLING LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath2,540 sqftBuilt 1993

Property at a Glance

This home is estimated between $374,732 and $945,295, with a best estimate of $708,391. That places the property above the L494500D - Vista Oaks Sec 5B Ph 2 & SEC 5C median of $449,628, in a neighborhood that declined 2.9% over the past year.

Estimated Value Range

$374,732 $945,295
Best Estimate
$708,391
WCAD Value
$423,559
Low Confidence

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

There are 5 comparable properties within range, but none are in L494500D - Vista Oaks Sec 5B Ph 2 & SEC 5C. The estimated range of $374,732 and $945,295 should be treated as a rough guide.

Comparable Properties (5)

4 bed 2 bath 3,110 sqft Built 2000
Raw Value $572,254
Adjusted Value $386,900

Adjusted -$160,487 for 570 sqft less living space and -$24,867 for being older. Net adjustment: -$185,354.

3 bed 2 bath 3,097 sqft Built 2000
Raw Value $556,425
Adjusted Value $374,732

Adjusted -$156,826 for 557 sqft less living space and -$24,867 for being older. Net adjustment: -$181,693.

4 bed 3 bath 2,154 sqft Built 2001
Raw Value $860,722
Adjusted Value $940,983

Adjusted +$108,680 for 386 sqft more living space and -$28,419 for being older. Net adjustment: +$80,261.

4 bed 2 bath 1,934 sqft Built 1978
Raw Value $484,482
Adjusted Value $708,391

Adjusted +$170,623 for 606 sqft more living space and +$53,286 for being newer. Net adjustment: +$223,909.

4 bed 3 bath 2,219 sqft Built 2007
Raw Value $904,649
Adjusted Value $945,295

Adjusted +$90,379 for 321 sqft more living space and -$49,733 for being older. Net adjustment: +$40,646.

The Neighborhood

This home is valued 5.8% below the L494500D - Vista Oaks Sec 5B Ph 2 & SEC 5C median of $449,628. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 2.9% over the past year.

L494500D - Vista Oaks Sec 5B Ph 2 & SEC 5C

typical
904 Properties
$449,628 Median Value
-2.9% YoY Change
1% Have Pool
99% Have Garage
This Home
$423,559
Median
$449,628

This home is -5.8% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,192 across all districts. With a homestead exemption claimed, that drops to $6,592 — saving $1,600 per year. That's $549 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
Leander ISDSchool1.0869%$4,604
Williamson CountyCounty0.3694%$1,565
Vista Oaks MUDMUD0.2131%$903
Austin Community Collegespecial0.1034%$438
Williamson County ESD #9 - Round RockESD0.0999%$423
Williamson County FM/RdCounty0.0443%$188
Upper Brushy Creek WCIDWater0.0170%$72
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9341%$8,192

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $708,391 would pay approximately $4,422 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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