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16919 MOUSE TRAP DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,991 sqftBuilt 1996

Property at a Glance

This home is estimated between $376,656 and $1,025,557, with a best estimate of $855,444. That places the property above the R224599C - Cat Hollow Sec A Ph 3 median of $778,705, in a neighborhood that appreciated 6.9% over the past year.

Estimated Value Range

$376,656 $1,025,557
Best Estimate
$855,444
WCAD Value
$764,589
High Confidence

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

Based on 5 comparable properties in R224599C - Cat Hollow Sec A Ph 3, this home's estimated market value is between $376,656 and $1,025,557. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

16928 MOUSE TRAP DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,751 sqft Built 1995
Raw Value $882,250
Adjusted Value $1,025,557

Adjusted +$87,282 for 240 sqft more living space and -$333 for being older and +$56,358 for having a pool. Net adjustment: +$143,307.

16927 MOUSE TRAP DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,193 sqft Built 1996
Raw Value $995,698
Adjusted Value $978,594

Adjusted -$73,462 for 202 sqft less living space and +$56,358 for having a pool. Net adjustment: -$17,104.

16808 MOUSE TRAP DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 3,180 sqft Built 1996
Raw Value $752,707
Adjusted Value $376,656

Adjusted -$432,409 for 1,189 sqft less living space and +$56,358 for having a pool. Net adjustment: -$376,051.

16934 MOUSE TRAP DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,291 sqft Built 1996
Raw Value $908,188
Adjusted Value $855,444

Adjusted -$109,102 for 300 sqft less living space and +$56,358 for having a pool. Net adjustment: -$52,744.

16819 MOUSE TRAP DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,299 sqft Built 1995
Raw Value $813,301
Adjusted Value $757,314

Adjusted -$112,012 for 308 sqft less living space and -$333 for being older and +$56,358 for having a pool. Net adjustment: -$55,987.

The Neighborhood

This home is valued 1.8% below the R224599C - Cat Hollow Sec A Ph 3 median of $778,705. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 6.9% over the past year.

R224599C - Cat Hollow Sec A Ph 3

typical
143 Properties
$778,705 Median Value
+6.9% YoY Change
4% Have Pool
100% Have Garage
This Home
$764,589
Median
$778,705

This home is -1.8% below the subdivision median.

Tax Analysis

The estimated annual property tax is $14,635 across all districts. With a homestead exemption claimed, that drops to $13,244 — saving $1,391 per year. That's $1,104 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%$6,829
Brushy Creek MUDMUD0.3868%$2,958
Williamson CountyCounty0.3694%$2,825
Austin Community Collegespecial0.1034%$791
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$765
Williamson County FM/RdCounty0.0443%$339
Upper Brushy Creek WCIDWater0.0170%$130
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9141%$14,635

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $855,444 would pay approximately $5,340 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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