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3109 RUFINA PASS, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

2 bed2 bath1,418 sqftBuilt 2021

Property at a Glance

This home is estimated between $309,031 and $407,816, with a best estimate of $316,200. That places the property below the R441515C - HERITAGE AT VIZCAYA median of $432,756, in a neighborhood that declined 8.1% over the past year.

Estimated Value Range

$309,031 $407,816
Best Estimate
$316,200
WCAD Value
$335,219
Low Confidence

Based on 5 comparable properties(1 in the same subdivision)

There are 5 comparable properties within range, but few are in R441515C - HERITAGE AT VIZCAYA. The estimated range of $309,031 and $407,816 should be treated as a rough guide.

Comparable Properties (5)

3101 RUFINA PASS, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
2 bed 2 bath 1,648 sqft Built 2020
Raw Value $366,312
Adjusted Value $316,200

Adjusted -$50,084 for 230 sqft less living space and -$28 for being older. Net adjustment: -$50,112.

3 bed 2 bath 1,495 sqft Built 2018
Raw Value $334,738
Adjusted Value $317,887

Adjusted -$16,767 for 77 sqft less living space and -$84 for being older. Net adjustment: -$16,851.

3 bed 2 bath 1,580 sqft Built 2017
Raw Value $344,420
Adjusted Value $309,031

Adjusted -$35,277 for 162 sqft less living space and -$112 for being older. Net adjustment: -$35,389.

3 bed 2 bath 1,646 sqft Built 2017
Raw Value $359,776
Adjusted Value $310,015

Adjusted -$49,649 for 228 sqft less living space and -$112 for being older. Net adjustment: -$49,761.

4 bed 2 bath 1,612 sqft Built 2018
Raw Value $450,145
Adjusted Value $407,816

Adjusted -$42,245 for 194 sqft less living space and -$84 for being older. Net adjustment: -$42,329.

The Neighborhood

This home is valued 22.5% below the R441515C - HERITAGE AT VIZCAYA median of $432,756. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 8.1% over the past year.

R441515C - HERITAGE AT VIZCAYA

below average
638 Properties
$432,756 Median Value
-8.1% YoY Change
5% Have Pool
100% Have Garage
This Home
$335,219
Median
$432,756

This home is -22.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,213 across all districts. With a homestead exemption claimed, that drops to $4,680 — saving $1,533 per year. That's $390 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
Georgetown ISDSchool1.0506%$3,522
Round RockCity0.3720%$1,247
Williamson CountyCounty0.3694%$1,238
Williamson County FM/RdCounty0.0443%$149
Upper Brushy Creek WCIDWater0.0170%$57
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8534%$6,213

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $316,200 would pay approximately $1,974 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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