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17834 PARK VALLEY DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,017 sqftBuilt 1989

Property at a Glance

This home is estimated between $405,908 and $465,128, with a best estimate of $435,712. 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

$405,908 $465,128
Best Estimate
$435,712
WCAD Value
$469,203
High Confidence

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

Based on 5 comparable properties in R270588F - Fern Bluff Sec 1,1A,1B,2,2 (AMD), this home's estimated market value is between $405,908 and $465,128. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

17836 PARK VALLEY DR, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,250 sqft Built 1989
Raw Value $499,106
Adjusted Value $405,908

Adjusted -$93,198 for 233 sqft less living space. Net adjustment: -$93,198.

17705 MILLER FALLS CV, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,064 sqft Built 1995
Raw Value $466,151
Adjusted Value $435,712

Adjusted -$18,800 for 47 sqft less living space and -$11,639 for being older. Net adjustment: -$30,439.

17702 MILLER FALLS CV, ROUND ROCK, TX 78681
0.05 mi 100% similar Same subdivision
4 bed 2 bath 1,010 sqft Built 1995
Raw Value $453,749
Adjusted Value $444,910

Adjusted +$2,800 for 7 sqft more living space and -$11,639 for being older. Net adjustment: -$8,839.

17700 MILLER FALLS CV, ROUND ROCK, TX 78681
0.06 mi 100% similar Same subdivision
4 bed 2 bath 914 sqft Built 1996
Raw Value $437,508
Adjusted Value $465,128

Adjusted +$41,199 for 103 sqft more living space and -$13,579 for being older. Net adjustment: +$27,620.

17841 PARK VALLEY DR, ROUND ROCK, TX 78681
0.06 mi 100% similar Same subdivision
4 bed 2 bath 1,182 sqft Built 1992
Raw Value $506,970
Adjusted Value $435,152

Adjusted -$65,998 for 165 sqft less living space and -$5,820 for being older. Net adjustment: -$71,818.

The Neighborhood

This home is valued 3.4% 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)

typical
421 Properties
$453,749 Median Value
-4.0% YoY Change
1% Have Pool
100% Have Garage
This Home
$469,203
Median
$453,749

This home is +3.4% above the subdivision median.

Tax Analysis

The estimated annual property tax is $8,011 across all districts. With a homestead exemption claimed, that drops to $6,674 — saving $1,337 per year. That's $556 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%$4,190
Williamson CountyCounty0.3694%$1,733
Fern Bluff MUDMUD0.1800%$845
Austin Community Collegespecial0.1034%$485
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$469
Williamson County FM/RdCounty0.0443%$208
Upper Brushy Creek WCIDWater0.0170%$80
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7073%$8,011

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $435,712 would pay approximately $2,720 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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