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16928 MOUSE TRAP DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,751 sqftBuilt 1995

Property at a Glance

This home is estimated between $437,480 and $835,287, with a best estimate of $621,282. That places the property below 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

$437,480 $835,287
Best Estimate
$621,282
WCAD Value
$882,250
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 $437,480 and $835,287. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

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 $835,287

Adjusted -$160,744 for 442 sqft less living space and +$333 for being newer. Net adjustment: -$160,411.

16919 MOUSE TRAP DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,991 sqft Built 1996
Raw Value $764,589
Adjusted Value $621,282

Adjusted -$87,282 for 240 sqft less living space and +$333 for being newer and -$56,358 for no pool. Net adjustment: -$143,307.

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 $712,137

Adjusted -$196,384 for 540 sqft less living space and +$333 for being newer. Net adjustment: -$196,051.

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 $614,007

Adjusted -$199,294 for 548 sqft less living space. Net adjustment: -$199,294.

16818 MOUSE TRAP DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,283 sqft Built 1996
Raw Value $630,622
Adjusted Value $437,480

Adjusted -$193,475 for 532 sqft less living space and +$333 for being newer. Net adjustment: -$193,142.

The Neighborhood

This home is valued 13.3% above the R224599C - Cat Hollow Sec A Ph 3 median of $778,705. With 143 homes in the subdivision, the property sits in the upper tier. 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
$882,250
Median
$778,705

This home is +13.3% above the subdivision median.

Tax Analysis

The estimated annual property tax is $16,769 across all districts. With a homestead exemption claimed, that drops to $15,357 — saving $1,412 per year. That's $1,280 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%$7,824
Brushy Creek MUDMUD0.3868%$3,389
Williamson CountyCounty0.3694%$3,237
Austin Community Collegespecial0.1034%$906
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$876
Williamson County FM/RdCounty0.0443%$388
Upper Brushy Creek WCIDWater0.0170%$149
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9141%$16,769

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $621,282 would pay approximately $3,878 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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