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2109 ROSEMARY LN, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,402 sqftBuilt 1987

Property at a Glance

This home is estimated between $245,857 and $433,593, with a best estimate of $309,617. That places the property below the R510485H - SOUTHCREEK median of $335,905, in a neighborhood that declined 4.2% over the past year.

Estimated Value Range

$245,857 $433,593
Best Estimate
$309,617
WCAD Value
$323,779
High Confidence

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

Based on 5 comparable properties in R510485H - SOUTHCREEK, this home's estimated market value is between $245,857 and $433,593. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

2202 ROSEMARY LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 916 sqft Built 1987
Raw Value $317,964
Adjusted Value $433,593

Adjusted +$115,629 for 486 sqft more living space. Net adjustment: +$115,629.

2105 ROSEMARY LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,554 sqft Built 1987
Raw Value $345,781
Adjusted Value $309,617

Adjusted -$36,164 for 152 sqft less living space. Net adjustment: -$36,164.

2115 ROSEMARY LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,737 sqft Built 1993
Raw Value $336,267
Adjusted Value $245,857

Adjusted -$79,703 for 335 sqft less living space and -$8,846 for being older and -$1,861 for no pool. Net adjustment: -$90,410.

2119 ROSEMARY LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,992 sqft Built 1992
Raw Value $403,140
Adjusted Value $255,396

Adjusted -$140,372 for 590 sqft less living space and -$7,372 for being older. Net adjustment: -$147,744.

2205 ROSEMARY LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,222 sqft Built 1986
Raw Value $303,517
Adjusted Value $347,816

Adjusted +$42,825 for 180 sqft more living space and +$1,474 for being newer. Net adjustment: +$44,299.

The Neighborhood

This home is valued 3.6% below the R510485H - SOUTHCREEK median of $335,905. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 4.2% over the past year.

R510485H - SOUTHCREEK

typical
1,020 Properties
$335,905 Median Value
-4.2% YoY Change
1% Have Pool
97% Have Garage
This Home
$323,779
Median
$335,905

This home is -3.6% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,826 across all districts. With a homestead exemption claimed, that drops to $4,516 — saving $1,310 per year. That's $376 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%$2,892
Round RockCity0.3720%$1,204
Williamson CountyCounty0.3694%$1,196
Austin Community Collegespecial0.1034%$335
Williamson County FM/RdCounty0.0443%$144
Upper Brushy Creek WCIDWater0.0170%$55
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,826

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $309,617 would pay approximately $1,933 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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