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16801 MOUSE TRAP DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath3,234 sqftBuilt 1996

Property at a Glance

This home is estimated between $772,345 and $1,251,133, with a best estimate of $976,477. 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

$772,345 $1,251,133
Best Estimate
$976,477
WCAD Value
$751,142
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 $772,345 and $1,251,133. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

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 $772,345

Adjusted +$19,638 for 54 sqft more living space. Net adjustment: +$19,638.

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 $1,251,133

Adjusted +$342,945 for 943 sqft more living space. Net adjustment: +$342,945.

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 $1,153,004

Adjusted +$340,036 for 935 sqft more living space and -$333 for being older. Net adjustment: +$339,703.

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 $976,477

Adjusted +$345,855 for 951 sqft more living space. Net adjustment: +$345,855.

16816 MOUSE TRAP DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,457 sqft Built 1998
Raw Value $646,359
Adjusted Value $929,600

Adjusted +$282,575 for 777 sqft more living space and +$666 for being newer. Net adjustment: +$283,241.

The Neighborhood

This home is valued 3.5% 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
$751,142
Median
$778,705

This home is -3.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $14,295 across all districts. With a homestead exemption claimed, that drops to $12,907 — saving $1,388 per year. That's $1,076 per month a buyer should budget. The assessed value increased +10.6% vs the subdivision average of +6.9%. This above-average increase gives a protest opportunity score of 49 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$6,670
Brushy Creek MUDMUD0.3868%$2,889
Williamson CountyCounty0.3694%$2,759
Austin Community Collegespecial0.1034%$772
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$747
Williamson County FM/RdCounty0.0443%$331
Upper Brushy Creek WCIDWater0.0170%$127
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9141%$14,295
49 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $976,477 would pay approximately $6,095 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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