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100 NICOLE CV, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath2,197 sqftBuilt 1979

Property at a Glance

This home is estimated between $350,180 and $408,830, with a best estimate of $356,429. That places the property above the R450X - Round Rock East - Duplex median of $355,449, in a neighborhood that declined 8.7% over the past year.

Estimated Value Range

$350,180 $408,830
Best Estimate
$356,429
WCAD Value
$349,179
Medium Confidence

Based on 5 comparable properties(3 in the same subdivision)

Based on 5 comparable properties (3 in the same subdivision, 2 nearby), the estimated range is $350,180 and $408,830. More comparables in the same subdivision would strengthen this estimate.

Comparable Properties (5)

1008/1010 HYRIDGE ST, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 4 bath 1,937 sqft Built 1984
Raw Value $351,360
Adjusted Value $355,093

Adjusted +$50,521 for 260 sqft more living space and -$5,001 for being older and -$41,787 for no garage. Net adjustment: +$3,733.

1008/1010 WOODLIEF TRL, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 4 bath 2,064 sqft Built 1984
Raw Value $413,414
Adjusted Value $392,470

Adjusted +$25,844 for 133 sqft more living space and -$5,001 for being older and -$41,787 for no garage. Net adjustment: -$20,944.

1008/1010 RIDGEMONT ST, ROUND ROCK, TX 78664
0.00 mi 97% similar Same subdivision
4 bed 4 bath 1,931 sqft Built 1985
Raw Value $346,281
Adjusted Value $350,180

Adjusted +$51,687 for 266 sqft more living space and -$6,001 for being older and -$41,787 for no garage. Net adjustment: +$3,899.

4 bed 2 bath 1,760 sqft Built 1976
Raw Value $310,300
Adjusted Value $356,429

Adjusted +$84,915 for 437 sqft more living space and +$3,001 for being newer and -$41,787 for no garage. Net adjustment: +$46,129.

3 bed 2 bath 1,298 sqft Built 1976
Raw Value $272,929
Adjusted Value $408,830

Adjusted +$174,687 for 899 sqft more living space and +$3,001 for being newer and -$41,787 for no garage. Net adjustment: +$135,901.

The Neighborhood

This home is valued 1.8% below the R450X - Round Rock East - Duplex median of $355,449. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 8.7% over the past year.

R450X - Round Rock East - Duplex

typical
836 Properties
$355,449 Median Value
-8.7% YoY Change
0% Have Pool
84% Have Garage
This Home
$349,179
Median
$355,449

This home is -1.8% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,283 across all districts. With a homestead exemption claimed, that drops to $4,968 — saving $1,315 per year. That's $414 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%$3,119
Round RockCity0.3720%$1,299
Williamson CountyCounty0.3694%$1,290
Austin Community Collegespecial0.1034%$361
Williamson County FM/RdCounty0.0443%$155
Upper Brushy Creek WCIDWater0.0170%$59
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,283

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $356,429 would pay approximately $2,225 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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