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3848 DORIS LN, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath2,009 sqftBuilt 1980

Property at a Glance

This home is estimated between $460,181 and $1,011,361, with a best estimate of $907,165. That places the property above the R575583D - RR Rual Sub 122 & Gattis School Rd Area median of $734,399, in a neighborhood that appreciated 3.8% over the past year.

Estimated Value Range

$460,181 $1,011,361
Best Estimate
$907,165
WCAD Value
$924,725
High Confidence

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

Based on 5 comparable properties in R575583D - RR Rual Sub 122 & Gattis School Rd Area, this home's estimated market value is between $460,181 and $1,011,361. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3809 DORIS LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,822 sqft Built 1983
Raw Value $827,914
Adjusted Value $888,135

Adjusted +$60,183 for 187 sqft more living space and +$38 for being newer. Net adjustment: +$60,221.

3900 DORIS LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,074 sqft Built 1975
Raw Value $1,032,343
Adjusted Value $1,011,361

Adjusted -$20,919 for 65 sqft less living space and -$63 for being older. Net adjustment: -$20,982.

3855 DORIS LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,042 sqft Built 1992
Raw Value $584,832
Adjusted Value $460,181

Adjusted -$10,621 for 33 sqft less living space and +$151 for being newer and -$114,181 for no pool. Net adjustment: -$124,651.

3840 DORIS LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,652 sqft Built 1992
Raw Value $857,655
Adjusted Value $972,701

Adjusted +$114,895 for 357 sqft more living space and +$151 for being newer. Net adjustment: +$115,046.

3901 DORIS LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,343 sqft Built 1977
Raw Value $1,014,696
Adjusted Value $907,165

Adjusted -$107,493 for 334 sqft less living space and -$38 for being older. Net adjustment: -$107,531.

The Neighborhood

This home is valued 25.9% above the R575583D - RR Rual Sub 122 & Gattis School Rd Area median of $734,399. With 213 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 3.8% over the past year.

R575583D - RR Rual Sub 122 & Gattis School Rd Area

above average
213 Properties
$734,399 Median Value
+3.8% YoY Change
4% Have Pool
68% Have Garage
This Home
$924,725
Median
$734,399

This home is +25.9% above the subdivision median.

Tax Analysis

The estimated annual property tax is $13,889 across all districts. With a homestead exemption claimed, that drops to $12,471 — saving $1,418 per year. That's $1,039 per month a buyer should budget. The assessed value increased +11.8% vs the subdivision average of +3.8%. This above-average increase gives a protest opportunity score of 70 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$8,122
Williamson CountyCounty0.3694%$3,360
Austin Community Collegespecial0.1034%$940
Williamson County ESD #9 - Round RockESD0.0999%$909
Williamson County FM/RdCounty0.0443%$403
Upper Brushy Creek WCIDWater0.0170%$155
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5272%$13,889
70 / 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 $907,165 would pay approximately $5,662 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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