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17839 PARK VALLEY DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,050 sqftBuilt 1992

Property at a Glance

This home is estimated between $13,323 and $478,427, with a best estimate of $443,540. 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

$13,323 $478,427
Best Estimate
$443,540
WCAD Value
$525,653
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 $13,323 and $478,427 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 $443,540

Adjusted -$33,599 for 84 sqft less living space and +$25,218 for being newer. Net adjustment: -$8,381.

3 bed 2 bath 1,149 sqft Built 1999
Raw Value $531,605
Adjusted Value $478,427

Adjusted -$39,599 for 99 sqft less living space and -$13,579 for being older. Net adjustment: -$53,178.

4 bed 2 bath 921 sqft Built 1978
Raw Value $377,237
Adjusted Value $455,994

Adjusted +$51,599 for 129 sqft more living space and +$27,158 for being newer. Net adjustment: +$78,757.

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 $13,323

Adjusted -$412,790 for 1,032 sqft less living space. Net adjustment: -$412,790.

4 bed 2 bath 1,276 sqft Built 1979
Raw Value $412,181
Adjusted Value $347,001

Adjusted -$90,398 for 226 sqft less living space and +$25,218 for being newer. Net adjustment: -$65,180.

The Neighborhood

This home is valued 15.8% 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
$525,653
Median
$453,749

This home is +15.8% above the subdivision median.

Tax Analysis

The estimated annual property tax is $8,974 across all districts. With a homestead exemption claimed, that drops to $7,627 — saving $1,347 per year. That's $636 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%$4,695
Williamson CountyCounty0.3694%$1,942
Fern Bluff MUDMUD0.1800%$946
Austin Community Collegespecial0.1034%$544
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$526
Williamson County FM/RdCounty0.0443%$233
Upper Brushy Creek WCIDWater0.0170%$89
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7073%$8,974

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $443,540 would pay approximately $2,769 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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