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3855 DORIS LN, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath2,042 sqftBuilt 1992

Property at a Glance

This home is estimated between $1,012,786 and $1,136,011, with a best estimate of $1,049,376. 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

$1,012,786 $1,136,011
Best Estimate
$1,049,376
WCAD Value
$584,832
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 $1,012,786 and $1,136,011. All 5 comparables are in the same subdivision, giving this estimate high confidence.

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 $1,136,011

Adjusted -$10,299 for 32 sqft less living space and -$214 for being older and +$114,181 for having a pool. Net adjustment: +$103,668.

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 $1,049,376

Adjusted +$10,621 for 33 sqft more living space and -$151 for being older and +$114,181 for having a 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 $1,097,352

Adjusted +$125,516 for 390 sqft more living space and +$114,181 for having a pool. Net adjustment: +$239,697.

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 $1,031,816

Adjusted -$96,872 for 301 sqft less living space and -$189 for being older and +$114,181 for having a pool. Net adjustment: +$17,120.

3809 DORIS LN, ROUND ROCK, TX 78664
0.00 mi 99% similar Same subdivision
4 bed 3 bath 1,822 sqft Built 1983
Raw Value $827,914
Adjusted Value $1,012,786

Adjusted +$70,804 for 220 sqft more living space and -$113 for being older and +$114,181 for having a pool. Net adjustment: +$184,872.

The Neighborhood

This home is valued 20.4% below the R575583D - RR Rual Sub 122 & Gattis School Rd Area median of $734,399. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 3.8% over the past year.

R575583D - RR Rual Sub 122 & Gattis School Rd Area

below average
213 Properties
$734,399 Median Value
+3.8% YoY Change
4% Have Pool
68% Have Garage
This Home
$584,832
Median
$734,399

This home is -20.4% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,708 across all districts. With a homestead exemption claimed, that drops to $7,352 — saving $1,356 per year. That's $613 per month a buyer should budget. The assessed value increased +12.8% 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%$5,092
Williamson CountyCounty0.3694%$2,106
Austin Community Collegespecial0.1034%$590
Williamson County ESD #9 - Round RockESD0.0999%$570
Williamson County FM/RdCounty0.0443%$253
Upper Brushy Creek WCIDWater0.0170%$97
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5272%$8,708
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 $1,049,376 would pay approximately $6,550 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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