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1600 RIDGE ROCK DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath2,368 sqftBuilt 1978

Property at a Glance

This home is estimated between $401,418 and $577,563, with a best estimate of $454,147. That places the property above the R310479G - Cimarron - All Sections median of $423,440, in a neighborhood that declined 3.4% over the past year.

Estimated Value Range

$401,418 $577,563
Best Estimate
$454,147
WCAD Value
$592,489
Low Confidence

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

There are 5 comparable properties within range, but none are in R310479G - Cimarron - All Sections. The estimated range of $401,418 and $577,563 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 2,102 sqft Built 1978
Raw Value $508,341
Adjusted Value $577,563

Adjusted +$69,222 for 266 sqft more living space. Net adjustment: +$69,222.

3 bed 2 bath 1,351 sqft Built 1985
Raw Value $263,028
Adjusted Value $516,923

Adjusted +$264,656 for 1,017 sqft more living space and -$10,761 for being older. Net adjustment: +$253,895.

3 bed 2 bath 2,211 sqft Built 2017
Raw Value $473,243
Adjusted Value $454,147

Adjusted +$40,856 for 157 sqft more living space and -$59,952 for being older. Net adjustment: -$19,096.

3 bed 2 bath 2,472 sqft Built 2020
Raw Value $493,046
Adjusted Value $401,418

Adjusted -$27,064 for 104 sqft less living space and -$64,564 for being older. Net adjustment: -$91,628.

3 bed 2 bath 2,236 sqft Built 2020
Raw Value $482,176
Adjusted Value $451,963

Adjusted +$34,351 for 132 sqft more living space and -$64,564 for being older. Net adjustment: -$30,213.

The Neighborhood

This home is valued 39.9% above the R310479G - Cimarron - All Sections median of $423,440. With 503 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 3.4% over the past year.

R310479G - Cimarron - All Sections

above average
503 Properties
$423,440 Median Value
-3.4% YoY Change
4% Have Pool
97% Have Garage
This Home
$592,489
Median
$423,440

This home is +39.9% above the subdivision median.

Tax Analysis

The estimated annual property tax is $10,661 across all districts. With a homestead exemption claimed, that drops to $9,301 — saving $1,360 per year. That's $775 per month a buyer should budget. The assessed value increased +5.2% vs the subdivision average of -3.4%. This above-average increase gives a protest opportunity score of 58 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$5,292
Round RockCity0.3720%$2,204
Williamson CountyCounty0.3694%$2,189
Austin Community Collegespecial0.1034%$613
Williamson County FM/RdCounty0.0443%$263
Upper Brushy Creek WCIDWater0.0170%$101
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$10,661
58 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $454,147 would pay approximately $2,835 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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