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16931 MOUSE TRAP DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath2,228 sqftBuilt 1997

Property at a Glance

This home is estimated between $786,814 and $1,055,057, with a best estimate of $884,943. 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

$786,814 $1,055,057
Best Estimate
$884,943
WCAD Value
$885,856
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 $786,814 and $1,055,057. 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 $1,055,057

Adjusted +$173,473 for 477 sqft more living space and -$666 for being older. Net adjustment: +$172,807.

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 $1,008,094

Adjusted +$12,729 for 35 sqft more living space and -$333 for being older. Net adjustment: +$12,396.

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 $794,089

Adjusted +$86,191 for 237 sqft more living space and -$333 for being older and -$56,358 for no pool. Net adjustment: +$29,500.

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 $884,943

Adjusted -$22,912 for 63 sqft less living space and -$333 for being older. Net adjustment: -$23,245.

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 $786,814

Adjusted -$25,821 for 71 sqft less living space and -$666 for being older. Net adjustment: -$26,487.

The Neighborhood

This home is valued 13.8% 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
$885,856
Median
$778,705

This home is +13.8% above the subdivision median.

Tax Analysis

The estimated annual property tax is $16,198 across all districts. With a homestead exemption claimed, that drops to $14,791 — saving $1,407 per year. That's $1,233 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%$7,558
Brushy Creek MUDMUD0.3868%$3,273
Williamson CountyCounty0.3694%$3,126
Austin Community Collegespecial0.1034%$875
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$846
Williamson County FM/RdCounty0.0443%$375
Upper Brushy Creek WCIDWater0.0170%$144
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9141%$16,198

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $884,943 would pay approximately $5,524 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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