Beta Williamson County, TX only — data and coverage are limited during early access.

3919 GRAYLING LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,333 sqftBuilt 1992

Property at a Glance

This home is estimated between $300,330 and $441,470, with a best estimate of $344,081. 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

$300,330 $441,470
Best Estimate
$344,081
WCAD Value
$415,492
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 $300,330 and $441,470 should be treated as a rough guide.

Comparable Properties (5)

4 bed 2 bath 1,186 sqft Built 1994
Raw Value $407,186
Adjusted Value $441,470

Adjusted +$41,389 for 147 sqft more living space and -$7,105 for being older. Net adjustment: +$34,284.

3 bed 2 bath 1,303 sqft Built 1984
Raw Value $347,567
Adjusted Value $384,433

Adjusted +$8,447 for 30 sqft more living space and +$28,419 for being newer. Net adjustment: +$36,866.

3 bed 2 bath 1,254 sqft Built 1984
Raw Value $270,083
Adjusted Value $320,745

Adjusted +$22,243 for 79 sqft more living space and +$28,419 for being newer. Net adjustment: +$50,662.

3 bed 2 bath 1,269 sqft Built 1982
Raw Value $290,537
Adjusted Value $344,081

Adjusted +$18,020 for 64 sqft more living space and +$35,524 for being newer. Net adjustment: +$53,544.

3 bed 2 bath 1,584 sqft Built 1995
Raw Value $381,657
Adjusted Value $300,330

Adjusted -$70,670 for 251 sqft less living space and -$10,657 for being older. Net adjustment: -$81,327.

The Neighborhood

This home is valued 7.6% 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
$415,492
Median
$449,628

This home is -7.6% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,036 across all districts. With a homestead exemption claimed, that drops to $6,438 — saving $1,598 per year. That's $537 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%$4,516
Williamson CountyCounty0.3694%$1,535
Vista Oaks MUDMUD0.2131%$885
Austin Community Collegespecial0.1034%$430
Williamson County ESD #9 - Round RockESD0.0999%$415
Williamson County FM/RdCounty0.0443%$184
Upper Brushy Creek WCIDWater0.0170%$71
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9341%$8,036

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $344,081 would pay approximately $2,148 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.

View full property details