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3900 GRAYLING LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,792 sqftBuilt 1993

Property at a Glance

This home is estimated between $393,778 and $467,038, with a best estimate of $427,953. That places the property below 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

$393,778 $467,038
Best Estimate
$427,953
WCAD Value
$400,629
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 $393,778 and $467,038 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 1,584 sqft Built 1995
Raw Value $381,657
Adjusted Value $433,116

Adjusted +$58,564 for 208 sqft more living space and -$7,105 for being older. Net adjustment: +$51,459.

3 bed 2 bath 1,675 sqft Built 1995
Raw Value $367,941
Adjusted Value $393,778

Adjusted +$32,942 for 117 sqft more living space and -$7,105 for being older. Net adjustment: +$25,837.

3 bed 2 bath 1,877 sqft Built 1984
Raw Value $405,447
Adjusted Value $413,486

Adjusted -$23,932 for 85 sqft less living space and +$31,971 for being newer. Net adjustment: +$8,039.

3 bed 2 bath 1,585 sqft Built 1997
Raw Value $383,881
Adjusted Value $427,953

Adjusted +$58,282 for 207 sqft more living space and -$14,210 for being older. Net adjustment: +$44,072.

3 bed 2 bath 1,550 sqft Built 1984
Raw Value $366,931
Adjusted Value $467,038

Adjusted +$68,136 for 242 sqft more living space and +$31,971 for being newer. Net adjustment: +$100,107.

The Neighborhood

This home is valued 10.9% 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
$400,629
Median
$449,628

This home is -10.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,749 across all districts. With a homestead exemption claimed, that drops to $6,153 — saving $1,596 per year. That's $513 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%$4,354
Williamson CountyCounty0.3694%$1,480
Vista Oaks MUDMUD0.2131%$854
Austin Community Collegespecial0.1034%$414
Williamson County ESD #9 - Round RockESD0.0999%$400
Williamson County FM/RdCounty0.0443%$178
Upper Brushy Creek WCIDWater0.0170%$68
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9341%$7,749

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $427,953 would pay approximately $2,671 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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