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1106 MASTIFF CV, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,544 sqftBuilt 2001

Property at a Glance

This home is estimated between $425,090 and $473,200, with a best estimate of $444,477. That places the property above the R437401G - ChandlerCrSec6C,10,11-K&B reek Sec 6C,10,11: K& B median of $314,414, in a neighborhood that declined 8.1% over the past year.

Estimated Value Range

$425,090 $473,200
Best Estimate
$444,477
WCAD Value
$304,269
High Confidence

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

Based on 5 comparable properties in R437401G - ChandlerCrSec6C,10,11-K&B reek Sec 6C,10,11: K& B, this home's estimated market value is between $425,090 and $473,200. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1101 TERRIER CV, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,144 sqft Built 2001
Raw Value $355,199
Adjusted Value $473,200

Adjusted +$118,001 for 400 sqft more living space. Net adjustment: +$118,001.

1104 MASTIFF CV, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,308 sqft Built 2001
Raw Value $355,470
Adjusted Value $425,090

Adjusted +$69,620 for 236 sqft more living space. Net adjustment: +$69,620.

1100 MASTIFF CV, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,289 sqft Built 2001
Raw Value $369,252
Adjusted Value $444,477

Adjusted +$75,225 for 255 sqft more living space. Net adjustment: +$75,225.

1110 TERRIER CV, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,324 sqft Built 2001
Raw Value $379,338
Adjusted Value $444,238

Adjusted +$64,900 for 220 sqft more living space. Net adjustment: +$64,900.

1103 MASTIFF CV, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,152 sqft Built 2001
Raw Value $351,360
Adjusted Value $467,001

Adjusted +$115,641 for 392 sqft more living space. Net adjustment: +$115,641.

The Neighborhood

This home is valued 3.2% below the R437401G - ChandlerCrSec6C,10,11-K&B reek Sec 6C,10,11: K& B median of $314,414. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 8.1% over the past year.

R437401G - ChandlerCrSec6C,10,11-K&B reek Sec 6C,10,11: K& B

typical
370 Properties
$314,414 Median Value
-8.1% YoY Change
1% Have Pool
100% Have Garage
This Home
$304,269
Median
$314,414

This home is -3.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,514 across all districts. With a homestead exemption claimed, that drops to $4,207 — saving $1,307 per year. That's $351 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%$2,717
Williamson CountyCounty0.3694%$1,124
Meadows of Chandler Creek MUDMUD0.2849%$867
Austin Community Collegespecial0.1034%$315
Williamson County ESD #9 - Round RockESD0.0999%$304
Williamson County FM/RdCounty0.0443%$135
Upper Brushy Creek WCIDWater0.0170%$52
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8121%$5,514

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $444,477 would pay approximately $2,774 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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