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3845 DORIS LN, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

4 bed2 bath3,082 sqftBuilt 1997

Property at a Glance

This home is estimated between $725,649 and $1,317,816, with a best estimate of $1,068,480. 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

$725,649 $1,317,816
Best Estimate
$1,068,480
WCAD Value
$869,309
Medium Confidence

Based on 5 comparable properties(3 in the same subdivision)

Based on 5 comparable properties (3 in the same subdivision, 2 nearby), the estimated range is $725,649 and $1,317,816. More comparables in the same subdivision would strengthen this estimate.

Comparable Properties (5)

3855 DORIS LN, ROUND ROCK, TX 78664
0.00 mi 97% similar Same subdivision
3 bed 2 bath 2,042 sqft Built 1992
Raw Value $584,832
Adjusted Value $805,296

Adjusted +$334,708 for 1,040 sqft more living space and -$63 for being older and -$114,181 for no pool. Net adjustment: +$220,464.

3840 DORIS LN, ROUND ROCK, TX 78664
0.00 mi 97% similar Same subdivision
4 bed 2 bath 1,652 sqft Built 1992
Raw Value $857,655
Adjusted Value $1,317,816

Adjusted +$460,224 for 1,430 sqft more living space and -$63 for being older. Net adjustment: +$460,161.

4 bed 3 bath 3,234 sqft Built 2005
Raw Value $774,467
Adjusted Value $725,649

Adjusted -$48,919 for 152 sqft less living space and +$101 for being newer. Net adjustment: -$48,818.

3901 DORIS LN, ROUND ROCK, TX 78664
0.00 mi 95% similar Same subdivision
3 bed 2 bath 2,343 sqft Built 1977
Raw Value $1,014,696
Adjusted Value $1,252,280

Adjusted +$237,836 for 739 sqft more living space and -$252 for being older. Net adjustment: +$237,584.

4 bed 3 bath 2,766 sqft Built 1993
Raw Value $966,830
Adjusted Value $1,068,480

Adjusted +$101,700 for 316 sqft more living space and -$50 for being older. Net adjustment: +$101,650.

The Neighborhood

This home is valued 18.4% 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
$869,309
Median
$734,399

This home is +18.4% above the subdivision median.

Tax Analysis

The estimated annual property tax is $13,276 across all districts. With a homestead exemption claimed, that drops to $11,865 — saving $1,411 per year. That's $989 per month a buyer should budget. The assessed value increased +13.6% vs the subdivision average of +3.8%. This above-average increase gives a protest opportunity score of 84 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$7,764
Williamson CountyCounty0.3694%$3,212
Austin Community Collegespecial0.1034%$899
Williamson County ESD #9 - Round RockESD0.0999%$869
Williamson County FM/RdCounty0.0443%$385
Upper Brushy Creek WCIDWater0.0170%$148
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5272%$13,276
84 / 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 $1,068,480 would pay approximately $6,669 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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