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109 VISTA LN, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath2,364 sqftBuilt 1964

Property at a Glance

This home is estimated between $287,068 and $383,474, with a best estimate of $330,390. That places the property above the R503460E - Summit, Big Oaks, Vista Abstracts median of $329,210, in a neighborhood that declined 5.0% over the past year.

Estimated Value Range

$287,068 $383,474
Best Estimate
$330,390
WCAD Value
$408,164
Low Confidence

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

There are 5 comparable properties within range, but none are in R503460E - Summit, Big Oaks, Vista Abstracts. The estimated range of $287,068 and $383,474 should be treated as a rough guide.

Comparable Properties (5)

4 bed 2 bath 2,354 sqft Built 1977
Raw Value $441,423
Adjusted Value $360,476

Adjusted +$1,841 for 10 sqft more living space and -$105,862 for being older and +$23,074 for having a garage. Net adjustment: -$80,947.

4 bed 2 bath 2,255 sqft Built 1978
Raw Value $424,324
Adjusted Value $330,390

Adjusted +$20,072 for 109 sqft more living space and -$114,006 for being older. Net adjustment: -$93,934.

3 bed 2 bath 1,754 sqft Built 1983
Raw Value $329,460
Adjusted Value $287,068

Adjusted +$112,330 for 610 sqft more living space and -$154,722 for being older. Net adjustment: -$42,392.

3 bed 2 bath 1,595 sqft Built 1979
Raw Value $295,427
Adjusted Value $314,887

Adjusted +$141,609 for 769 sqft more living space and -$122,149 for being older. Net adjustment: +$19,460.

3 bed 2 bath 1,517 sqft Built 1978
Raw Value $341,507
Adjusted Value $383,474

Adjusted +$155,973 for 847 sqft more living space and -$114,006 for being older. Net adjustment: +$41,967.

The Neighborhood

This home is valued 24.0% above the R503460E - Summit, Big Oaks, Vista Abstracts median of $329,210. With 13 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 5.0% over the past year.

R503460E - Summit, Big Oaks, Vista Abstracts

above average
13 Properties
$329,210 Median Value
-5.0% YoY Change
8% Have Pool
39% Have Garage
This Home
$408,164
Median
$329,210

This home is +24.0% above the subdivision median.

Tax Analysis

The estimated annual property tax is $7,344 across all districts. With a homestead exemption claimed, that drops to $6,018 — saving $1,326 per year. That's $502 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%$3,645
Round RockCity0.3720%$1,518
Williamson CountyCounty0.3694%$1,508
Austin Community Collegespecial0.1034%$422
Williamson County FM/RdCounty0.0443%$181
Upper Brushy Creek WCIDWater0.0170%$69
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$7,344

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $330,390 would pay approximately $2,062 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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