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17826 PARK VALLEY DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,064 sqftBuilt 1993

Property at a Glance

This home is estimated between $20,863 and $485,967, with a best estimate of $451,080. That places the property below the R270588F - Fern Bluff Sec 1,1A,1B,2,2 (AMD) median of $453,749, in a neighborhood that declined 4.0% over the past year.

Estimated Value Range

$20,863 $485,967
Best Estimate
$451,080
WCAD Value
$535,155
Low Confidence

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

There are 5 comparable properties within range, but few are in R270588F - Fern Bluff Sec 1,1A,1B,2,2 (AMD). The estimated range of $20,863 and $485,967 should be treated as a rough guide.

Comparable Properties (5)

4 bed 2 bath 1,134 sqft Built 1979
Raw Value $451,921
Adjusted Value $451,080

Adjusted -$27,999 for 70 sqft less living space and +$27,158 for being newer. Net adjustment: -$841.

3 bed 2 bath 1,149 sqft Built 1999
Raw Value $531,605
Adjusted Value $485,967

Adjusted -$33,999 for 85 sqft less living space and -$11,639 for being older. Net adjustment: -$45,638.

4 bed 2 bath 921 sqft Built 1978
Raw Value $377,237
Adjusted Value $463,534

Adjusted +$57,199 for 143 sqft more living space and +$29,098 for being newer. Net adjustment: +$86,297.

17847 PARK VALLEY DR, ROUND ROCK, TX 78681
0.00 mi 94% similar Same subdivision
3 bed 2 bath 2,082 sqft Built 1992
Raw Value $426,113
Adjusted Value $20,863

Adjusted -$407,190 for 1,018 sqft less living space and +$1,940 for being newer. Net adjustment: -$405,250.

4 bed 2 bath 1,276 sqft Built 1979
Raw Value $412,181
Adjusted Value $354,541

Adjusted -$84,798 for 212 sqft less living space and +$27,158 for being newer. Net adjustment: -$57,640.

The Neighborhood

This home is valued 17.9% above the R270588F - Fern Bluff Sec 1,1A,1B,2,2 (AMD) median of $453,749. With 421 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 4.0% over the past year.

R270588F - Fern Bluff Sec 1,1A,1B,2,2 (AMD)

above average
421 Properties
$453,749 Median Value
-4.0% YoY Change
1% Have Pool
100% Have Garage
This Home
$535,155
Median
$453,749

This home is +17.9% above the subdivision median.

Tax Analysis

The estimated annual property tax is $9,137 across all districts. With a homestead exemption claimed, that drops to $7,787 — saving $1,350 per year. That's $649 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%$4,779
Williamson CountyCounty0.3694%$1,977
Fern Bluff MUDMUD0.1800%$963
Austin Community Collegespecial0.1034%$553
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$535
Williamson County FM/RdCounty0.0443%$237
Upper Brushy Creek WCIDWater0.0170%$91
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7073%$9,137

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $451,080 would pay approximately $2,816 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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