Beta Williamson County, TX only — data and coverage are limited during early access.

3320 MAGELLAN CT, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

5 bed4 bath2,332 sqftBuilt 2015

Property at a Glance

This home is estimated between $354,582 and $664,830, with a best estimate of $526,248. That places the property below the R491607C - PALOMA LAKE DREES /TAYLOR median of $579,346, in a neighborhood that declined 5.0% over the past year.

Estimated Value Range

$354,582 $664,830
Best Estimate
$526,248
WCAD Value
$725,330
Low Confidence

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

There are 5 comparable properties within range, but few are in R491607C - PALOMA LAKE DREES /TAYLOR. The estimated range of $354,582 and $664,830 should be treated as a rough guide.

Comparable Properties (5)

3300 MAGELLAN CT, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,993 sqft Built 2015
Raw Value $585,747
Adjusted Value $664,830

Adjusted +$79,083 for 339 sqft more living space. Net adjustment: +$79,083.

3 bed 2 bath 1,200 sqft Built 2008
Raw Value $281,096
Adjusted Value $526,248

Adjusted +$264,076 for 1,132 sqft more living space and -$18,924 for being older. Net adjustment: +$245,152.

3 bed 2 bath 1,880 sqft Built 1977
Raw Value $317,049
Adjusted Value $379,953

Adjusted +$105,444 for 452 sqft more living space and -$102,733 for being older and +$60,193 for having a garage. Net adjustment: +$62,904.

3 bed 2 bath 984 sqft Built 2009
Raw Value $325,356
Adjusted Value $623,600

Adjusted +$314,465 for 1,348 sqft more living space and -$16,221 for being older. Net adjustment: +$298,244.

3 bed 2 bath 1,747 sqft Built 1979
Raw Value $315,438
Adjusted Value $354,582

Adjusted +$136,470 for 585 sqft more living space and -$97,326 for being older. Net adjustment: +$39,144.

The Neighborhood

This home is valued 25.2% above the R491607C - PALOMA LAKE DREES /TAYLOR median of $579,346. With 431 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 5.0% over the past year.

R491607C - PALOMA LAKE DREES /TAYLOR

above average
431 Properties
$579,346 Median Value
-5.0% YoY Change
0% Have Pool
100% Have Garage
This Home
$725,330
Median
$579,346

This home is +25.2% above the subdivision median.

Tax Analysis

The estimated annual property tax is $14,134 across all districts. With a homestead exemption claimed, that drops to $12,750 — saving $1,384 per year. That's $1,063 per month a buyer should budget. The assessed value increased +3.0% vs the subdivision average of -5.0%. This above-average increase gives a protest opportunity score of 40 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$6,478
Paloma Lakes MUD #2MUD0.4215%$3,057
Williamson CountyCounty0.3694%$2,680
Austin Community Collegespecial0.1034%$750
Williamson County ESD #9 - Round RockESD0.0999%$725
Williamson County FM/RdCounty0.0443%$322
Upper Brushy Creek WCIDWater0.0170%$123
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9487%$14,134
40 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $526,248 would pay approximately $3,285 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.

View full property details