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1660 CARDINAL LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath2,110 sqftBuilt 2025

Property at a Glance

This home is estimated between $854,303 and $915,014, with a best estimate of $887,221. That places the property above the R294523A-Sauls Ranch East median of $852,382, in a neighborhood that appreciated 371.1% over the past year.

Estimated Value Range

$854,303 $915,014
Best Estimate
$887,221
WCAD Value
$404,031
High Confidence

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

Based on 5 comparable properties in R294523A-Sauls Ranch East, this home's estimated market value is between $854,303 and $915,014. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1410 CARDINAL LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,787 sqft Built 2025
Raw Value $780,722
Adjusted Value $915,014

Adjusted +$134,292 for 323 sqft more living space. Net adjustment: +$134,292.

1508 CARDINAL LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,112 sqft Built 2024
Raw Value $871,434
Adjusted Value $870,602

Adjusted -$832 for 2 sqft less living space. Net adjustment: -$832.

1641 CARDINAL LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 4 bath 2,074 sqft Built 2024
Raw Value $839,335
Adjusted Value $854,303

Adjusted +$14,968 for 36 sqft more living space. Net adjustment: +$14,968.

1432 CARDINAL LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,002 sqft Built 2023
Raw Value $842,318
Adjusted Value $887,221

Adjusted +$44,903 for 108 sqft more living space. Net adjustment: +$44,903.

1601 CARDINAL LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,732 sqft Built 2025
Raw Value $738,228
Adjusted Value $895,387

Adjusted +$157,159 for 378 sqft more living space. Net adjustment: +$157,159.

The Neighborhood

This home is valued 52.6% below the R294523A-Sauls Ranch East median of $852,382. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 371.1% over the past year.

R294523A-Sauls Ranch East

outlier low
144 Properties
$852,382 Median Value
+371.1% YoY Change
1% Have Pool
100% Have Garage
This Home
$404,031
Median
$852,382

This home is -52.6% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,449 across all districts. With a homestead exemption claimed, that drops to $5,133 — saving $1,316 per year. That's $428 per month a buyer should budget. The assessed value increased +608.8% vs the subdivision average of +371.1%. This above-average increase gives a protest opportunity score of 100 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$3,201
Round RockCity0.3720%$1,333
Williamson CountyCounty0.3694%$1,324
Austin Community Collegespecial0.1034%$371
Williamson County FM/RdCounty0.0443%$159
Upper Brushy Creek WCIDWater0.0170%$61
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,449
100 / 100

There may be a strong case to protest this appraisal.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $887,221 would pay approximately $5,538 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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