Beta Williamson County, TX only — data and coverage are limited during early access.

3100 SCARLET OAK CV, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath1,508 sqftBuilt 1998

Property at a Glance

This home is estimated between $532,500 and $711,050, with a best estimate of $603,406. That places the property below the R500697C - Forest Ridge, Big Lots median of $749,173, in a neighborhood that appreciated 3.7% over the past year.

Estimated Value Range

$532,500 $711,050
Best Estimate
$603,406
WCAD Value
$786,016
High Confidence

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

Based on 5 comparable properties in R500697C - Forest Ridge, Big Lots, this home's estimated market value is between $532,500 and $711,050. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3106 SCARLET OAK CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,785 sqft Built 1998
Raw Value $650,701
Adjusted Value $560,491

Adjusted -$90,210 for 277 sqft less living space. Net adjustment: -$90,210.

3109 SCARLET OAK CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,744 sqft Built 1999
Raw Value $734,437
Adjusted Value $662,108

Adjusted -$76,857 for 236 sqft less living space and +$4,528 for being newer. Net adjustment: -$72,329.

3110 SCARLET OAK CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,024 sqft Built 1998
Raw Value $700,544
Adjusted Value $532,500

Adjusted -$168,044 for 516 sqft less living space. Net adjustment: -$168,044.

3105 SCARLET OAK CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,098 sqft Built 1999
Raw Value $791,022
Adjusted Value $603,406

Adjusted -$192,144 for 590 sqft less living space and +$4,528 for being newer. Net adjustment: -$187,616.

3102 SCARLET OAK CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,332 sqft Built 1998
Raw Value $653,733
Adjusted Value $711,050

Adjusted +$57,317 for 176 sqft more living space. Net adjustment: +$57,317.

The Neighborhood

This home is valued 4.9% above the R500697C - Forest Ridge, Big Lots median of $749,173. With 135 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 3.7% over the past year.

R500697C - Forest Ridge, Big Lots

typical
135 Properties
$749,173 Median Value
+3.7% YoY Change
3% Have Pool
90% Have Garage
This Home
$786,016
Median
$749,173

This home is +4.9% above the subdivision median.

Tax Analysis

The estimated annual property tax is $13,144 across all districts. With a homestead exemption claimed, that drops to $11,758 — saving $1,386 per year. That's $980 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%$6,524
Round RockCity0.3720%$2,717
Williamson CountyCounty0.3694%$2,699
Austin Community Collegespecial0.1034%$755
Williamson County FM/RdCounty0.0443%$324
Upper Brushy Creek WCIDWater0.0170%$124
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$13,144

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $603,406 would pay approximately $3,766 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.

View full property details