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1905 MONTCLAIR DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed1 bath1,667 sqftBuilt 1975

Property at a Glance

This home is estimated between $309,844 and $381,638, with a best estimate of $328,798. That places the property above the R605477I - South Park, Southern Terrace, Cushing PA median of $311,935, in a neighborhood that appreciated 0.3% over the past year.

Estimated Value Range

$309,844 $381,638
Best Estimate
$328,798
WCAD Value
$341,610
Low Confidence

Based on 5 comparable properties(0 in the same subdivision)

There are 5 comparable properties within range, but none are in R605477I - South Park, Southern Terrace, Cushing PA. The estimated range of $309,844 and $381,638 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 1,670 sqft Built 1978
Raw Value $319,246
Adjusted Value $381,638

Adjusted -$615 for 3 sqft less living space and -$7,729 for being older and +$70,736 for having a garage. Net adjustment: +$62,392.

3 bed 2 bath 1,575 sqft Built 1977
Raw Value $315,085
Adjusted Value $328,798

Adjusted +$18,866 for 92 sqft more living space and -$5,153 for being older. Net adjustment: +$13,713.

3 bed 2 bath 1,392 sqft Built 1975
Raw Value $258,164
Adjusted Value $314,557

Adjusted +$56,393 for 275 sqft more living space. Net adjustment: +$56,393.

3 bed 2 bath 2,006 sqft Built 1975
Raw Value $379,361
Adjusted Value $309,844

Adjusted -$69,517 for 339 sqft less living space. Net adjustment: -$69,517.

3 bed 2 bath 1,884 sqft Built 1970
Raw Value $379,486
Adjusted Value $347,869

Adjusted -$44,499 for 217 sqft less living space and +$12,882 for being newer. Net adjustment: -$31,617.

The Neighborhood

This home is valued 9.5% above the R605477I - South Park, Southern Terrace, Cushing PA median of $311,935. With 125 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 0.3% over the past year.

R605477I - South Park, Southern Terrace, Cushing PA

typical
125 Properties
$311,935 Median Value
+0.3% YoY Change
2% Have Pool
61% Have Garage
This Home
$341,610
Median
$311,935

This home is +9.5% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,147 across all districts. With a homestead exemption claimed, that drops to $4,833 — saving $1,314 per year. That's $403 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%$3,051
Round RockCity0.3720%$1,271
Williamson CountyCounty0.3694%$1,262
Austin Community Collegespecial0.1034%$353
Williamson County FM/RdCounty0.0443%$151
Upper Brushy Creek WCIDWater0.0170%$58
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,147

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $328,798 would pay approximately $2,052 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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