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17848 PARK VALLEY DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,004 sqftBuilt 1993

Property at a Glance

This home is estimated between $302,773 and $482,229, with a best estimate of $454,429. 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

$302,773 $482,229
Best Estimate
$454,429
WCAD Value
$531,560
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 $302,773 and $482,229. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

8305 COLUMBIA FALLS DR, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,026 sqft Built 1992
Raw Value $478,124
Adjusted Value $471,264

Adjusted -$8,800 for 22 sqft less living space and +$1,940 for being newer. Net adjustment: -$6,860.

17845 PARK VALLEY DR, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,182 sqft Built 1992
Raw Value $509,793
Adjusted Value $440,535

Adjusted -$71,198 for 178 sqft less living space and +$1,940 for being newer. Net adjustment: -$69,258.

8400 MOUNT SHASTA CV, ROUND ROCK, TX 78681
0.04 mi 100% similar Same subdivision
4 bed 2 bath 1,004 sqft Built 1992
Raw Value $480,289
Adjusted Value $482,229

Adjusted +$1,940 for being newer. Net adjustment: +$1,940.

17853 PARK VALLEY DR, ROUND ROCK, TX 78681
0.05 mi 100% similar Same subdivision
4 bed 2 bath 1,184 sqft Built 1992
Raw Value $524,487
Adjusted Value $454,429

Adjusted -$71,998 for 180 sqft less living space and +$1,940 for being newer. Net adjustment: -$70,058.

8404 MOUNT SHASTA CV, ROUND ROCK, TX 78681
0.04 mi 100% similar Same subdivision
3 bed 2 bath 1,113 sqft Built 1987
Raw Value $334,733
Adjusted Value $302,773

Adjusted -$43,599 for 109 sqft less living space and +$11,639 for being newer. Net adjustment: -$31,960.

The Neighborhood

This home is valued 17.1% 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
$531,560
Median
$453,749

This home is +17.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $9,075 across all districts. With a homestead exemption claimed, that drops to $7,727 — saving $1,348 per year. That's $644 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%$4,747
Williamson CountyCounty0.3694%$1,964
Fern Bluff MUDMUD0.1800%$957
Austin Community Collegespecial0.1034%$550
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$532
Williamson County FM/RdCounty0.0443%$236
Upper Brushy Creek WCIDWater0.0170%$90
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7073%$9,075

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $454,429 would pay approximately $2,837 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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