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3901 DORIS LN, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath2,343 sqftBuilt 1977

Property at a Glance

This home is estimated between $356,749 and $1,118,892, with a best estimate of $995,665. 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

$356,749 $1,118,892
Best Estimate
$995,665
WCAD Value
$1,014,696
Medium Confidence

Based on 5 comparable properties(4 in the same subdivision)

Based on 5 comparable properties (4 in the same subdivision, 1 nearby), the estimated range is $356,749 and $1,118,892. More comparables in the same subdivision would strengthen this estimate.

Comparable Properties (5)

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 $1,118,892

Adjusted +$86,574 for 269 sqft more living space and -$25 for being older. Net adjustment: +$86,549.

3848 DORIS LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,009 sqft Built 1980
Raw Value $924,725
Adjusted Value $1,032,256

Adjusted +$107,493 for 334 sqft more living space and +$38 for being newer. Net adjustment: +$107,531.

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 $567,712

Adjusted +$96,872 for 301 sqft more living space and +$189 for being newer and -$114,181 for no pool. Net adjustment: -$17,120.

3 bed 4 bath 2,411 sqft Built 1978
Raw Value $378,621
Adjusted Value $356,749

Adjusted -$21,885 for 68 sqft less living space and +$13 for being newer. Net adjustment: -$21,872.

3809 DORIS LN, ROUND ROCK, TX 78664
0.00 mi 96% similar Same subdivision
4 bed 3 bath 1,822 sqft Built 1983
Raw Value $827,914
Adjusted Value $995,665

Adjusted +$167,676 for 521 sqft more living space and +$75 for being newer. Net adjustment: +$167,751.

The Neighborhood

This home is valued 38.2% 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
$1,014,696
Median
$734,399

This home is +38.2% above the subdivision median.

Tax Analysis

The estimated annual property tax is $13,615 across all districts. With a homestead exemption claimed, that drops to $12,200 — saving $1,415 per year. That's $1,017 per month a buyer should budget. The assessed value increased +11.7% vs the subdivision average of +3.8%. This above-average increase gives a protest opportunity score of 75 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$7,962
Williamson CountyCounty0.3694%$3,294
Austin Community Collegespecial0.1034%$922
Williamson County ESD #9 - Round RockESD0.0999%$891
Williamson County FM/RdCounty0.0443%$395
Upper Brushy Creek WCIDWater0.0170%$152
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5272%$13,615
75 / 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 $995,665 would pay approximately $6,215 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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