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1618 PLUME GRASS PL, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath905 sqftBuilt 2003

Property at a Glance

This home is estimated between $128,001 and $387,699, with a best estimate of $318,423. That places the property below the R588507E - SHADOW POINTE median of $381,419, in a neighborhood that declined 5.0% over the past year.

Estimated Value Range

$128,001 $387,699
Best Estimate
$318,423
WCAD Value
$364,183
High Confidence

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

Based on 5 comparable properties in R588507E - SHADOW POINTE, this home's estimated market value is between $128,001 and $387,699. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1627 PLUME GRASS PL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,533 sqft Built 2002
Raw Value $320,537
Adjusted Value $128,001

Adjusted -$190,538 for 628 sqft less living space and -$1,998 for being older. Net adjustment: -$192,536.

1607 PLUME GRASS PL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 932 sqft Built 2002
Raw Value $366,626
Adjusted Value $356,436

Adjusted -$8,192 for 27 sqft less living space and -$1,998 for being older. Net adjustment: -$10,190.

1500 PLUME GRASS PL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,170 sqft Built 2003
Raw Value $396,545
Adjusted Value $316,143

Adjusted -$80,402 for 265 sqft less living space. Net adjustment: -$80,402.

1605 PLUME GRASS PL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 706 sqft Built 2003
Raw Value $327,321
Adjusted Value $387,699

Adjusted +$60,378 for 199 sqft more living space. Net adjustment: +$60,378.

1611 PLUME GRASS PL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,137 sqft Built 2003
Raw Value $388,813
Adjusted Value $318,423

Adjusted -$70,390 for 232 sqft less living space. Net adjustment: -$70,390.

The Neighborhood

This home is valued 4.5% below the R588507E - SHADOW POINTE median of $381,419. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 5.0% over the past year.

R588507E - SHADOW POINTE

typical
812 Properties
$381,419 Median Value
-5.0% YoY Change
1% Have Pool
100% Have Garage
This Home
$364,183
Median
$381,419

This home is -4.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,553 across all districts. With a homestead exemption claimed, that drops to $5,235 — saving $1,318 per year. That's $436 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%$3,253
Round RockCity0.3720%$1,355
Williamson CountyCounty0.3694%$1,345
Austin Community Collegespecial0.1034%$377
Williamson County FM/RdCounty0.0443%$161
Upper Brushy Creek WCIDWater0.0170%$62
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,553

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $318,423 would pay approximately $1,988 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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