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1621 GREENSIDE DR, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,813 sqftBuilt 2011

Property at a Glance

This home is estimated between $341,332 and $396,380, with a best estimate of $378,357. That places the property below the R417506E - TERAVISTA R4 median of $430,980, in a neighborhood that declined 4.6% over the past year.

Estimated Value Range

$341,332 $396,380
Best Estimate
$378,357
WCAD Value
$370,298
Low Confidence

Based on 5 comparable properties(0 in the same subdivision)

There are 5 comparable properties within range, but none are in R417506E - TERAVISTA R4. The estimated range of $341,332 and $396,380 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 1,840 sqft Built 2007
Raw Value $406,093
Adjusted Value $396,380

Adjusted -$6,437 for 27 sqft less living space and -$3,276 for being older. Net adjustment: -$9,713.

3 bed 2 bath 1,845 sqft Built 2015
Raw Value $346,483
Adjusted Value $342,130

Adjusted -$7,629 for 32 sqft less living space and +$3,276 for being newer. Net adjustment: -$4,353.

3 bed 2 bath 1,706 sqft Built 2017
Raw Value $347,933
Adjusted Value $378,357

Adjusted +$25,510 for 107 sqft more living space and +$4,914 for being newer. Net adjustment: +$30,424.

3 bed 2 bath 1,855 sqft Built 2015
Raw Value $348,069
Adjusted Value $341,332

Adjusted -$10,013 for 42 sqft less living space and +$3,276 for being newer. Net adjustment: -$6,737.

3 bed 2 bath 1,775 sqft Built 2010
Raw Value $376,561
Adjusted Value $384,802

Adjusted +$9,060 for 38 sqft more living space and -$819 for being older. Net adjustment: +$8,241.

The Neighborhood

This home is valued 14.1% below the R417506E - TERAVISTA R4 median of $430,980. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 4.6% over the past year.

R417506E - TERAVISTA R4

typical
1,632 Properties
$430,980 Median Value
-4.6% YoY Change
1% Have Pool
99% Have Garage
This Home
$370,298
Median
$430,980

This home is -14.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,009 across all districts. With a homestead exemption claimed, that drops to $5,690 — saving $1,319 per year. That's $474 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%$3,307
Williamson CountyCounty0.3694%$1,368
Williamson County MUD #11MUD0.3656%$1,354
Austin Community Collegespecial0.1034%$383
Williamson County ESD #9 - Round RockESD0.0999%$370
Williamson County FM/RdCounty0.0443%$164
Upper Brushy Creek WCIDWater0.0170%$63
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8928%$7,009

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $378,357 would pay approximately $2,362 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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