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3117 ALTON PL, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath3,086 sqftBuilt 2018

Property at a Glance

This home is estimated between $588,019 and $1,088,930, with a best estimate of $685,428. 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

$588,019 $1,088,930
Best Estimate
$685,428
WCAD Value
$676,827
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 $588,019 and $1,088,930 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 $710,739

Adjusted +$88,181 for 332 sqft more living space and +$3,521 for being newer. Net adjustment: +$91,702.

4 bed 3 bath 2,805 sqft Built 2022
Raw Value $527,470
Adjusted Value $588,019

Adjusted +$74,635 for 281 sqft more living space and -$14,086 for being older. Net adjustment: +$60,549.

4 bed 3 bath 2,828 sqft Built 2022
Raw Value $630,988
Adjusted Value $685,428

Adjusted +$68,526 for 258 sqft more living space and -$14,086 for being older. Net adjustment: +$54,440.

4 bed 3 bath 2,928 sqft Built 2016
Raw Value $553,112
Adjusted Value $602,120

Adjusted +$41,965 for 158 sqft more living space and +$7,043 for being newer. Net adjustment: +$49,008.

4 bed 4 bath 3,213 sqft Built 2015
Raw Value $1,112,098
Adjusted Value $1,088,930

Adjusted -$33,732 for 127 sqft less living space and +$10,564 for being newer. Net adjustment: -$23,168.

The Neighborhood

This home is valued 1.4% 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
$676,827
Median
$686,297

This home is -1.4% below the subdivision median.

Tax Analysis

The estimated annual property tax is $12,178 across all districts. With a homestead exemption claimed, that drops to $10,803 — saving $1,375 per year. That's $900 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%$6,045
Round RockCity0.3720%$2,518
Williamson CountyCounty0.3694%$2,501
Austin Community Collegespecial0.1034%$700
Williamson County FM/RdCounty0.0443%$300
Upper Brushy Creek WCIDWater0.0170%$115
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$12,178

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $685,428 would pay approximately $4,278 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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