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103 VISTA LN, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,826 sqftBuilt 1960

Property at a Glance

This home is estimated between $28,023 and $228,756, with a best estimate of $132,350. 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

$28,023 $228,756
Best Estimate
$132,350
WCAD Value
$312,128
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 $28,023 and $228,756 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 1,754 sqft Built 1983
Raw Value $329,460
Adjusted Value $132,350

Adjusted +$13,259 for 72 sqft more living space and -$187,295 for being older and -$23,074 for no garage. Net adjustment: -$197,110.

3 bed 2 bath 1,595 sqft Built 1979
Raw Value $295,427
Adjusted Value $160,169

Adjusted +$42,538 for 231 sqft more living space and -$154,722 for being older and -$23,074 for no garage. Net adjustment: -$135,258.

3 bed 2 bath 1,517 sqft Built 1978
Raw Value $341,507
Adjusted Value $228,756

Adjusted +$56,902 for 309 sqft more living space and -$146,579 for being older and -$23,074 for no garage. Net adjustment: -$112,751.

3 bed 2 bath 1,918 sqft Built 1993
Raw Value $336,766
Adjusted Value $28,023

Adjusted -$16,942 for 92 sqft less living space and -$268,727 for being older and -$23,074 for no garage. Net adjustment: -$308,743.

3 bed 2 bath 1,448 sqft Built 1985
Raw Value $281,103
Adjusted Value $124,056

Adjusted +$69,608 for 378 sqft more living space and -$203,581 for being older and -$23,074 for no garage. Net adjustment: -$157,047.

The Neighborhood

This home is valued 5.2% 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
$312,128
Median
$329,210

This home is -5.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $4,713 across all districts. With a homestead exemption claimed, that drops to $3,415 — saving $1,298 per year. That's $285 per month a buyer should budget. The assessed value increased +3.5% vs the subdivision average of -5.0%. This above-average increase gives a protest opportunity score of 43 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$2,340
Round RockCity0.3720%$974
Williamson CountyCounty0.3694%$968
Austin Community Collegespecial0.1034%$271
Williamson County FM/RdCounty0.0443%$116
Upper Brushy Creek WCIDWater0.0170%$45
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$4,713
43 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $132,350 would pay approximately $826 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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