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3604 ROSALINA LOOP, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath1,956 sqftBuilt 2010

Property at a Glance

This home is estimated between $361,496 and $472,451, with a best estimate of $367,906. That places the property below the R493607C - PALOMA LAKE SEC 18 median of $387,915, in a neighborhood that declined 9.2% over the past year.

Estimated Value Range

$361,496 $472,451
Best Estimate
$367,906
WCAD Value
$469,709
High Confidence

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

Based on 5 comparable properties in R493607C - PALOMA LAKE SEC 18, this home's estimated market value is between $361,496 and $472,451. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3600 ROSALINA LOOP, ROUND ROCK, TX 78665
0.01 mi 100% similar Same subdivision
3 bed 2 bath 2,043 sqft Built 2010
Raw Value $379,161
Adjusted Value $361,748

Adjusted -$17,413 for 87 sqft less living space. Net adjustment: -$17,413.

3612 ROSALINA LOOP, ROUND ROCK, TX 78665
0.01 mi 100% similar Same subdivision
3 bed 2 bath 2,056 sqft Built 2011
Raw Value $387,394
Adjusted Value $367,906

Adjusted -$20,015 for 100 sqft less living space and +$527 for being newer. Net adjustment: -$19,488.

3636 ROSALINA LOOP, ROUND ROCK, TX 78665
0.05 mi 100% similar Same subdivision
4 bed 3 bath 1,956 sqft Built 2009
Raw Value $472,978
Adjusted Value $472,451

Adjusted -$527 for being older. Net adjustment: -$527.

3672 ROSALINA LOOP, ROUND ROCK, TX 78665
0.03 mi 90% similar Same subdivision
3 bed 2 bath 1,950 sqft Built 2008
Raw Value $404,056
Adjusted Value $404,202

Adjusted +$1,201 for 6 sqft more living space and -$1,055 for being older. Net adjustment: +$146.

3644 ROSALINA LOOP, ROUND ROCK, TX 78665
0.05 mi 90% similar Same subdivision
3 bed 2 bath 1,989 sqft Built 2009
Raw Value $368,628
Adjusted Value $361,496

Adjusted -$6,605 for 33 sqft less living space and -$527 for being older. Net adjustment: -$7,132.

The Neighborhood

This home is valued 21.1% above the R493607C - PALOMA LAKE SEC 18 median of $387,915. With 295 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 9.2% over the past year.

R493607C - PALOMA LAKE SEC 18

above average
295 Properties
$387,915 Median Value
-9.2% YoY Change
0% Have Pool
100% Have Garage
This Home
$469,709
Median
$387,915

This home is +21.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $9,153 across all districts. With a homestead exemption claimed, that drops to $7,816 — saving $1,337 per year. That's $651 per month a buyer should budget. The assessed value increased +0.3% vs the subdivision average of -9.2%. This above-average increase gives a protest opportunity score of 48 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$4,195
Paloma Lakes MUD #2MUD0.4215%$1,980
Williamson CountyCounty0.3694%$1,735
Austin Community Collegespecial0.1034%$486
Williamson County ESD #9 - Round RockESD0.0999%$469
Williamson County FM/RdCounty0.0443%$208
Upper Brushy Creek WCIDWater0.0170%$80
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9487%$9,153
48 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $367,906 would pay approximately $2,296 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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