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3600 ROSALINA LOOP, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath2,043 sqftBuilt 2010

Property at a Glance

This home is estimated between $385,319 and $487,122, with a best estimate of $408,673. That places the property above the R493607C - PALOMA LAKE SEC 18 median of $387,915, in a neighborhood that declined 9.2% over the past year.

Estimated Value Range

$385,319 $487,122
Best Estimate
$408,673
WCAD Value
$379,161
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 $385,319 and $487,122. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3604 ROSALINA LOOP, ROUND ROCK, TX 78665
0.01 mi 100% similar Same subdivision
4 bed 3 bath 1,956 sqft Built 2010
Raw Value $469,709
Adjusted Value $487,122

Adjusted +$17,413 for 87 sqft more living space. Net adjustment: +$17,413.

3612 ROSALINA LOOP, ROUND ROCK, TX 78665
0.02 mi 100% similar Same subdivision
3 bed 2 bath 2,056 sqft Built 2011
Raw Value $387,394
Adjusted Value $385,319

Adjusted -$2,602 for 13 sqft less living space and +$527 for being newer. Net adjustment: -$2,075.

3640 ROSALINA LOOP, ROUND ROCK, TX 78665
0.06 mi 100% similar Same subdivision
3 bed 2 bath 2,022 sqft Built 2010
Raw Value $382,255
Adjusted Value $386,458

Adjusted +$4,203 for 21 sqft more living space. Net adjustment: +$4,203.

3672 ROSALINA LOOP, ROUND ROCK, TX 78665
0.04 mi 98% similar Same subdivision
3 bed 2 bath 1,950 sqft Built 2008
Raw Value $404,056
Adjusted Value $421,615

Adjusted +$18,614 for 93 sqft more living space and -$1,055 for being older. Net adjustment: +$17,559.

3668 ROSALINA LOOP, ROUND ROCK, TX 78665
0.05 mi 95% similar Same subdivision
3 bed 2 bath 1,748 sqft Built 2009
Raw Value $350,157
Adjusted Value $408,673

Adjusted +$59,043 for 295 sqft more living space and -$527 for being older. Net adjustment: +$58,516.

The Neighborhood

This home is valued 2.3% below the R493607C - PALOMA LAKE SEC 18 median of $387,915. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 9.2% over the past year.

R493607C - PALOMA LAKE SEC 18

typical
295 Properties
$387,915 Median Value
-9.2% YoY Change
0% Have Pool
100% Have Garage
This Home
$379,161
Median
$387,915

This home is -2.3% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,389 across all districts. With a homestead exemption claimed, that drops to $6,068 — saving $1,321 per year. That's $506 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%$3,386
Paloma Lakes MUD #2MUD0.4215%$1,598
Williamson CountyCounty0.3694%$1,401
Austin Community Collegespecial0.1034%$392
Williamson County ESD #9 - Round RockESD0.0999%$379
Williamson County FM/RdCounty0.0443%$168
Upper Brushy Creek WCIDWater0.0170%$64
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9487%$7,389

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $408,673 would pay approximately $2,551 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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