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

3549 ROSALINA LOOP, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

5 bed3 bath1,980 sqftBuilt 2010

Property at a Glance

This home is estimated between $377,260 and $731,023, with a best estimate of $671,302. 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

$377,260 $731,023
Best Estimate
$671,302
WCAD Value
$427,812
Low Confidence

Based on 5 comparable properties(2 in the same subdivision)

There are 5 comparable properties within range, but few are in R493607C - PALOMA LAKE SEC 18. The estimated range of $377,260 and $731,023 should be treated as a rough guide.

Comparable Properties (5)

4 bed 3 bath 1,977 sqft Built 2013
Raw Value $689,730
Adjusted Value $691,912

Adjusted +$600 for 3 sqft more living space and +$1,582 for being newer. Net adjustment: +$2,182.

4 bed 3 bath 1,984 sqft Built 2013
Raw Value $730,242
Adjusted Value $731,023

Adjusted -$801 for 4 sqft less living space and +$1,582 for being newer. Net adjustment: +$781.

4 bed 3 bath 1,836 sqft Built 2013
Raw Value $640,899
Adjusted Value $671,302

Adjusted +$28,821 for 144 sqft more living space and +$1,582 for being newer. Net adjustment: +$30,403.

3716 ROSALINA LOOP, ROUND ROCK, TX 78665
0.00 mi 88% similar Same subdivision
3 bed 2 bath 1,950 sqft Built 2009
Raw Value $371,783
Adjusted Value $377,260

Adjusted +$6,004 for 30 sqft more living space and -$527 for being older. Net adjustment: +$5,477.

3647 ROSALINA LOOP, ROUND ROCK, TX 78665
0.00 mi 84% similar Same subdivision
3 bed 2 bath 1,740 sqft Built 2009
Raw Value $356,515
Adjusted Value $404,023

Adjusted +$48,035 for 240 sqft more living space and -$527 for being older. Net adjustment: +$47,508.

The Neighborhood

This home is valued 10.3% 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

typical
295 Properties
$387,915 Median Value
-9.2% YoY Change
0% Have Pool
100% Have Garage
This Home
$427,812
Median
$387,915

This home is +10.3% above the subdivision median.

Tax Analysis

The estimated annual property tax is $8,337 across all districts. With a homestead exemption claimed, that drops to $7,007 — saving $1,330 per year. That's $584 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%$3,821
Paloma Lakes MUD #2MUD0.4215%$1,803
Williamson CountyCounty0.3694%$1,581
Austin Community Collegespecial0.1034%$442
Williamson County ESD #9 - Round RockESD0.0999%$427
Williamson County FM/RdCounty0.0443%$190
Upper Brushy Creek WCIDWater0.0170%$73
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9487%$8,337

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $671,302 would pay approximately $4,190 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 4/19/2026.

View full property details