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2005 MONTCLAIR DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,526 sqftBuilt 1975

Property at a Glance

This home is estimated between $319,097 and $356,424, with a best estimate of $332,851. 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

$319,097 $356,424
Best Estimate
$332,851
WCAD Value
$311,348
Low Confidence

Based on 5 comparable properties(1 in the same subdivision)

There are 5 comparable properties within range, but few are in R605477I - South Park, Southern Terrace, Cushing PA. The estimated range of $319,097 and $356,424 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 1,451 sqft Built 1980
Raw Value $316,599
Adjusted Value $319,097

Adjusted +$15,380 for 75 sqft more living space and -$12,882 for being older. Net adjustment: +$2,498.

2007 DIXIE LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 1 bath 1,479 sqft Built 1982
Raw Value $294,084
Adjusted Value $356,424

Adjusted +$9,638 for 47 sqft more living space and -$18,034 for being older and +$70,736 for having a garage. Net adjustment: +$62,340.

3 bed 2 bath 1,608 sqft Built 1981
Raw Value $301,325
Adjusted Value $339,788

Adjusted -$16,815 for 82 sqft less living space and -$15,458 for being older and +$70,736 for having a garage. Net adjustment: +$38,463.

3 bed 2 bath 1,539 sqft Built 1985
Raw Value $290,544
Adjusted Value $332,851

Adjusted -$2,666 for 13 sqft less living space and -$25,763 for being older and +$70,736 for having a garage. Net adjustment: +$42,307.

3 bed 2 bath 1,527 sqft Built 1978
Raw Value $337,641
Adjusted Value $329,707

Adjusted -$205 for 1 sqft less living space and -$7,729 for being older. Net adjustment: -$7,934.

The Neighborhood

This home is in line with the R605477I - South Park, Southern Terrace, Cushing PA median of $311,935. 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
$311,348
Median
$311,935

This home is -0.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,602 across all districts. With a homestead exemption claimed, that drops to $4,294 — saving $1,308 per year. That's $358 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%$2,781
Round RockCity0.3720%$1,158
Williamson CountyCounty0.3694%$1,150
Austin Community Collegespecial0.1034%$322
Williamson County FM/RdCounty0.0443%$138
Upper Brushy Creek WCIDWater0.0170%$53
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,602

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $332,851 would pay approximately $2,078 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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