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3109 ALTON PL, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath2,762 sqftBuilt 2019

Property at a Glance

This home is estimated between $505,485 and $1,006,396, with a best estimate of $602,894. That places the property below the R500515C - FOREST GROVE median of $686,297, in a neighborhood that declined 2.9% over the past year.

Estimated Value Range

$505,485 $1,006,396
Best Estimate
$602,894
WCAD Value
$631,567
Low Confidence

Based on 5 comparable properties(0 in the same subdivision)

There are 5 comparable properties within range, but none are in R500515C - FOREST GROVE. The estimated range of $505,485 and $1,006,396 should be treated as a rough guide.

Comparable Properties (5)

4 bed 3 bath 2,754 sqft Built 2017
Raw Value $619,037
Adjusted Value $628,205

Adjusted +$2,125 for 8 sqft more living space and +$7,043 for being newer. Net adjustment: +$9,168.

4 bed 3 bath 2,805 sqft Built 2022
Raw Value $527,470
Adjusted Value $505,485

Adjusted -$11,421 for 43 sqft less living space and -$10,564 for being older. Net adjustment: -$21,985.

4 bed 3 bath 2,828 sqft Built 2022
Raw Value $630,988
Adjusted Value $602,894

Adjusted -$17,530 for 66 sqft less living space and -$10,564 for being older. Net adjustment: -$28,094.

4 bed 3 bath 2,928 sqft Built 2016
Raw Value $553,112
Adjusted Value $519,586

Adjusted -$44,090 for 166 sqft less living space and +$10,564 for being newer. Net adjustment: -$33,526.

4 bed 4 bath 3,213 sqft Built 2015
Raw Value $1,112,098
Adjusted Value $1,006,396

Adjusted -$119,788 for 451 sqft less living space and +$14,086 for being newer. Net adjustment: -$105,702.

The Neighborhood

This home is valued 8.0% below the R500515C - FOREST GROVE median of $686,297. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 2.9% over the past year.

R500515C - FOREST GROVE

typical
197 Properties
$686,297 Median Value
-2.9% YoY Change
1% Have Pool
100% Have Garage
This Home
$631,567
Median
$686,297

This home is -8.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $11,364 across all districts. With a homestead exemption claimed, that drops to $9,997 — saving $1,367 per year. That's $833 per month a buyer should budget. The assessed value increased roughly in line with the neighborhood, so a tax protest is unlikely to yield significant savings.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$5,641
Round RockCity0.3720%$2,349
Williamson CountyCounty0.3694%$2,333
Austin Community Collegespecial0.1034%$653
Williamson County FM/RdCounty0.0443%$280
Upper Brushy Creek WCIDWater0.0170%$107
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$11,364

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $602,894 would pay approximately $3,763 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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