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309 VISTA AVE, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

2 bed1 bath2,253 sqftBuilt 1951

Property at a Glance

This home is estimated between $137,692 and $211,099, with a best estimate of $181,014. That places the property below 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

$137,692 $211,099
Best Estimate
$181,014
WCAD Value
$318,929
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 $137,692 and $211,099 should be treated as a rough guide.

Comparable Properties (5)

4 bed 2 bath 2,255 sqft Built 1978
Raw Value $424,324
Adjusted Value $181,014

Adjusted -$368 for 2 sqft less living space and -$219,868 for being older and -$23,074 for no garage. Net adjustment: -$243,310.

4 bed 2 bath 2,354 sqft Built 1977
Raw Value $441,423
Adjusted Value $211,099

Adjusted -$18,599 for 101 sqft less living space and -$211,725 for being older. Net adjustment: -$230,324.

3 bed 2 bath 1,754 sqft Built 1983
Raw Value $329,460
Adjusted Value $137,692

Adjusted +$91,890 for 499 sqft more living space and -$260,584 for being older and -$23,074 for no garage. Net adjustment: -$191,768.

2 bed 1 bath 975 sqft Built 1986
Raw Value $257,361
Adjusted Value $184,613

Adjusted +$235,340 for 1,278 sqft more living space and -$285,014 for being older and -$23,074 for no garage. Net adjustment: -$72,748.

3 bed 2 bath 1,595 sqft Built 1979
Raw Value $295,427
Adjusted Value $165,511

Adjusted +$121,169 for 658 sqft more living space and -$228,011 for being older and -$23,074 for no garage. Net adjustment: -$129,916.

The Neighborhood

This home is valued 3.1% below the R503460E - Summit, Big Oaks, Vista Abstracts median of $329,210. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 5.0% over the past year.

R503460E - Summit, Big Oaks, Vista Abstracts

typical
13 Properties
$329,210 Median Value
-5.0% YoY Change
8% Have Pool
39% Have Garage
This Home
$318,929
Median
$329,210

This home is -3.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $4,986 across all districts. With a homestead exemption claimed, that drops to $3,684 — saving $1,302 per year. That's $307 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%$2,475
Round RockCity0.3720%$1,031
Williamson CountyCounty0.3694%$1,024
Austin Community Collegespecial0.1034%$287
Williamson County FM/RdCounty0.0443%$123
Upper Brushy Creek WCIDWater0.0170%$47
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$4,986

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $181,014 would pay approximately $1,130 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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