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3100 MARGARITA LOOP, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath2,812 sqftBuilt 2015

Property at a Glance

This home is estimated between $535,444 and $859,158, with a best estimate of $731,331. That places the property above the R491607C - PALOMA LAKE DREES /TAYLOR median of $579,346, in a neighborhood that declined 5.0% over the past year.

Estimated Value Range

$535,444 $859,158
Best Estimate
$731,331
WCAD Value
$550,503
High Confidence

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

Based on 5 comparable properties in R491607C - PALOMA LAKE DREES /TAYLOR, this home's estimated market value is between $535,444 and $859,158. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

2912 MARGARITA LOOP, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
5 bed 4 bath 2,312 sqft Built 2013
Raw Value $620,097
Adjusted Value $731,331

Adjusted +$116,641 for 500 sqft more living space and -$5,407 for being older. Net adjustment: +$111,234.

3029 MARGARITA LOOP, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,788 sqft Built 2015
Raw Value $562,079
Adjusted Value $567,678

Adjusted +$5,599 for 24 sqft more living space. Net adjustment: +$5,599.

3112 MARGARITA LOOP, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
5 bed 4 bath 2,248 sqft Built 2017
Raw Value $640,454
Adjusted Value $777,432

Adjusted +$131,571 for 564 sqft more living space and +$5,407 for being newer. Net adjustment: +$136,978.

3009 MARGARITA LOOP, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,763 sqft Built 2016
Raw Value $611,742
Adjusted Value $859,158

Adjusted +$244,713 for 1,049 sqft more living space and +$2,703 for being newer. Net adjustment: +$247,416.

2951 MARGARITA LOOP, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 3,157 sqft Built 2015
Raw Value $615,926
Adjusted Value $535,444

Adjusted -$80,482 for 345 sqft less living space. Net adjustment: -$80,482.

The Neighborhood

This home is valued 5.0% below the R491607C - PALOMA LAKE DREES /TAYLOR median of $579,346. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 5.0% over the past year.

R491607C - PALOMA LAKE DREES /TAYLOR

typical
431 Properties
$579,346 Median Value
-5.0% YoY Change
0% Have Pool
100% Have Garage
This Home
$550,503
Median
$579,346

This home is -5.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $10,458 across all districts. With a homestead exemption claimed, that drops to $9,106 — saving $1,352 per year. That's $759 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%$4,917
Paloma Lakes MUD #1MUD0.3725%$2,051
Williamson CountyCounty0.3694%$2,034
Austin Community Collegespecial0.1034%$569
Williamson County ESD #9 - Round RockESD0.0999%$550
Williamson County FM/RdCounty0.0443%$244
Upper Brushy Creek WCIDWater0.0170%$94
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8997%$10,458

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $731,331 would pay approximately $4,565 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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