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3525 GATTIS SCHOOL RD, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,687 sqftBuilt 1980

Property at a Glance

This home is estimated between $319,755 and $1,769,521, with a best estimate of $342,276. That places the property below 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

$319,755 $1,769,521
Best Estimate
$342,276
WCAD Value
$982,299
Low Confidence

Based on 5 comparable properties(2 in the same subdivision)

There are 5 comparable properties within range, but few are in R575583D - RR Rual Sub 122 & Gattis School Rd Area. The estimated range of $319,755 and $1,769,521 should be treated as a rough guide.

Comparable Properties (5)

3473 GATTIS SCHOOL RD, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 3 bath 2,188 sqft Built 1977
Raw Value $1,089,769
Adjusted Value $928,492

Adjusted -$161,239 for 501 sqft less living space and -$38 for being older. Net adjustment: -$161,277.

3509 GATTIS SCHOOL RD, ROUND ROCK, TX 78664
0.00 mi 94% similar Same subdivision
4 bed 3 bath 2,479 sqft Built 1979
Raw Value $2,024,427
Adjusted Value $1,769,521

Adjusted -$254,893 for 792 sqft less living space and -$13 for being older. Net adjustment: -$254,906.

3 bed 2 bath 1,706 sqft Built 2016
Raw Value $346,217
Adjusted Value $340,555

Adjusted -$6,115 for 19 sqft less living space and +$453 for being newer. Net adjustment: -$5,662.

3 bed 2 bath 1,746 sqft Built 2015
Raw Value $338,303
Adjusted Value $319,755

Adjusted -$18,988 for 59 sqft less living space and +$440 for being newer. Net adjustment: -$18,548.

3 bed 2 bath 1,673 sqft Built 2018
Raw Value $337,292
Adjusted Value $342,276

Adjusted +$4,506 for 14 sqft more living space and +$478 for being newer. Net adjustment: +$4,984.

The Neighborhood

This home is valued 33.8% 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
$982,299
Median
$734,399

This home is +33.8% above the subdivision median.

Tax Analysis

The estimated annual property tax is $17,674 across all districts. With a homestead exemption claimed, that drops to $16,242 — saving $1,432 per year. That's $1,354 per month a buyer should budget. The assessed value increased +6.4% vs the subdivision average of +3.8%. This above-average increase gives a protest opportunity score of 33 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$8,773
Round RockCity0.3720%$3,654
Williamson CountyCounty0.3694%$3,629
Austin Community Collegespecial0.1034%$1,016
Williamson County FM/RdCounty0.0443%$435
Upper Brushy Creek WCIDWater0.0170%$167
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$17,674
33 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $342,276 would pay approximately $2,136 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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