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900 RIDGEMONT ST, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed4 bath1,790 sqftBuilt 1985

Property at a Glance

This home is estimated between $311,023 and $791,781, with a best estimate of $377,383. 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

$311,023 $791,781
Best Estimate
$377,383
WCAD Value
$338,063
Low Confidence

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

There are 5 comparable properties within range, but few are in R450X - Round Rock East - Duplex. The estimated range of $311,023 and $791,781 should be treated as a rough guide.

Comparable Properties (5)

913 HYRIDGE ST, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,056 sqft Built 1985
Raw Value $362,710
Adjusted Value $311,023

Adjusted -$51,687 for 266 sqft less living space. Net adjustment: -$51,687.

3 bed 2 bath 1,934 sqft Built 1986
Raw Value $508,486
Adjusted Value $479,505

Adjusted -$27,981 for 144 sqft less living space and -$1,000 for being older. Net adjustment: -$28,981.

4 bed 3 bath 1,819 sqft Built 1993
Raw Value $805,417
Adjusted Value $791,781

Adjusted -$5,635 for 29 sqft less living space and -$8,001 for being older. Net adjustment: -$13,636.

3 bed 1,256 sqft Built 1983
Raw Value $270,912
Adjusted Value $376,675

Adjusted +$103,763 for 534 sqft more living space and +$2,000 for being newer. Net adjustment: +$105,763.

3 bed 2 bath 1,647 sqft Built 1976
Raw Value $340,594
Adjusted Value $377,383

Adjusted +$27,787 for 143 sqft more living space and +$9,002 for being newer. Net adjustment: +$36,789.

The Neighborhood

This home is valued 4.9% 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
$338,063
Median
$355,449

This home is -4.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,083 across all districts. With a homestead exemption claimed, that drops to $4,770 — saving $1,313 per year. That's $398 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%$3,019
Round RockCity0.3720%$1,258
Williamson CountyCounty0.3694%$1,249
Austin Community Collegespecial0.1034%$350
Williamson County FM/RdCounty0.0443%$150
Upper Brushy Creek WCIDWater0.0170%$57
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,083

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $377,383 would pay approximately $2,356 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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