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1803 MAGNOLIA DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed4 bath1,786 sqftBuilt 1983

Property at a Glance

This home is estimated between $327,984 and $574,831, with a best estimate of $388,574. That places the property above the R450X - Round Rock East - Duplex median of $355,449, in a neighborhood that declined 8.7% over the past year.

Estimated Value Range

$327,984 $574,831
Best Estimate
$388,574
WCAD Value
$339,553
Low Confidence

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

There are 5 comparable properties within range, but few are in R450X - Round Rock East - Duplex. The estimated range of $327,984 and $574,831 should be treated as a rough guide.

Comparable Properties (5)

1202 WESTCOTT DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 4 bath 1,963 sqft Built 1978
Raw Value $315,589
Adjusted Value $327,984

Adjusted -$34,393 for 177 sqft less living space and +$5,001 for being newer and +$41,787 for having a garage. Net adjustment: +$12,395.

1101 COUNTRY AIRE DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,830 sqft Built 1983
Raw Value $373,783
Adjusted Value $407,020

Adjusted -$8,550 for 44 sqft less living space and +$41,787 for having a garage. Net adjustment: +$33,237.

3 bed 2 bath 1,670 sqft Built 1978
Raw Value $319,246
Adjusted Value $388,574

Adjusted +$22,540 for 116 sqft more living space and +$5,001 for being newer and +$41,787 for having a garage. Net adjustment: +$69,328.

4 bed 3 bath 1,892 sqft Built 1995
Raw Value $607,430
Adjusted Value $574,831

Adjusted -$20,597 for 106 sqft less living space and -$12,002 for being older. Net adjustment: -$32,599.

3 bed 2 bath 1,474 sqft Built 1985
Raw Value $304,858
Adjusted Value $363,483

Adjusted +$60,625 for 312 sqft more living space and -$2,000 for being older. Net adjustment: +$58,625.

The Neighborhood

This home is valued 4.5% below the R450X - Round Rock East - Duplex median of $355,449. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 8.7% over the past year.

R450X - Round Rock East - Duplex

typical
836 Properties
$355,449 Median Value
-8.7% YoY Change
0% Have Pool
84% Have Garage
This Home
$339,553
Median
$355,449

This home is -4.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,109 across all districts. With a homestead exemption claimed, that drops to $4,796 — saving $1,313 per year. That's $400 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%$3,033
Round RockCity0.3720%$1,263
Williamson CountyCounty0.3694%$1,254
Austin Community Collegespecial0.1034%$351
Williamson County FM/RdCounty0.0443%$151
Upper Brushy Creek WCIDWater0.0170%$58
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,109

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $388,574 would pay approximately $2,425 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.

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