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17836 PARK VALLEY DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,250 sqftBuilt 1989

Property at a Glance

This home is estimated between $315,889 and $562,401, with a best estimate of $528,910. That places the property above 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

$315,889 $562,401
Best Estimate
$528,910
WCAD Value
$499,106
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 $315,889 and $562,401. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

17834 PARK VALLEY DR, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,017 sqft Built 1989
Raw Value $469,203
Adjusted Value $562,401

Adjusted +$93,198 for 233 sqft more living space. Net adjustment: +$93,198.

17705 MILLER FALLS CV, ROUND ROCK, TX 78681
0.04 mi 100% similar Same subdivision
4 bed 2 bath 1,064 sqft Built 1995
Raw Value $466,151
Adjusted Value $528,910

Adjusted +$74,398 for 186 sqft more living space and -$11,639 for being older. Net adjustment: +$62,759.

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 $538,108

Adjusted +$95,998 for 240 sqft more living space and -$11,639 for being older. Net adjustment: +$84,359.

17841 PARK VALLEY DR, ROUND ROCK, TX 78681
0.05 mi 100% similar Same subdivision
4 bed 2 bath 1,182 sqft Built 1992
Raw Value $506,970
Adjusted Value $528,349

Adjusted +$27,199 for 68 sqft more living space and -$5,820 for being older. Net adjustment: +$21,379.

17703 MILLER FALLS CV, ROUND ROCK, TX 78681
0.05 mi 100% similar Same subdivision
4 bed 2 bath 1,523 sqft Built 1996
Raw Value $438,665
Adjusted Value $315,889

Adjusted -$109,197 for 273 sqft less living space and -$13,579 for being older. Net adjustment: -$122,776.

The Neighborhood

This home is valued 10.0% 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
$499,106
Median
$453,749

This home is +10.0% above the subdivision median.

Tax Analysis

The estimated annual property tax is $8,521 across all districts. With a homestead exemption claimed, that drops to $7,179 — saving $1,342 per year. That's $598 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%$4,458
Williamson CountyCounty0.3694%$1,844
Fern Bluff MUDMUD0.1800%$898
Austin Community Collegespecial0.1034%$516
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$499
Williamson County FM/RdCounty0.0443%$221
Upper Brushy Creek WCIDWater0.0170%$85
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7073%$8,521

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $528,910 would pay approximately $3,301 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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