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1909 GREENSIDE TRL, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath1,916 sqftBuilt 2014

Property at a Glance

This home is estimated between $354,164 and $651,850, with a best estimate of $506,619. That places the property above the R417506E - TERAVISTA R4 median of $430,980, in a neighborhood that declined 4.6% over the past year.

Estimated Value Range

$354,164 $651,850
Best Estimate
$506,619
WCAD Value
$491,898
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 $354,164 and $651,850 should be treated as a rough guide.

Comparable Properties (5)

4 bed 3 bath 1,855 sqft Built 2007
Raw Value $643,040
Adjusted Value $651,850

Adjusted +$14,543 for 61 sqft more living space and -$5,733 for being older. Net adjustment: +$8,810.

4 bed 3 bath 1,798 sqft Built 2014
Raw Value $478,486
Adjusted Value $506,619

Adjusted +$28,133 for 118 sqft more living space. Net adjustment: +$28,133.

4 bed 3 bath 2,338 sqft Built 2013
Raw Value $492,130
Adjusted Value $390,701

Adjusted -$100,610 for 422 sqft less living space and -$819 for being older. Net adjustment: -$101,429.

4 bed 3 bath 1,600 sqft Built 2017
Raw Value $447,963
Adjusted Value $525,758

Adjusted +$75,338 for 316 sqft more living space and +$2,457 for being newer. Net adjustment: +$77,795.

4 bed 3 bath 2,262 sqft Built 2019
Raw Value $432,560
Adjusted Value $354,164

Adjusted -$82,491 for 346 sqft less living space and +$4,095 for being newer. Net adjustment: -$78,396.

The Neighborhood

This home is valued 14.1% above the R417506E - TERAVISTA R4 median of $430,980. With 1,632 homes in the subdivision, the property sits in the upper tier. 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
$491,898
Median
$430,980

This home is +14.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $9,311 across all districts. With a homestead exemption claimed, that drops to $7,969 — saving $1,342 per year. That's $664 per month a buyer should budget. The assessed value increased +2.5% vs the subdivision average of -4.6%. This above-average increase gives a protest opportunity score of 36 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$4,393
Williamson CountyCounty0.3694%$1,817
Williamson County MUD #11MUD0.3656%$1,798
Austin Community Collegespecial0.1034%$509
Williamson County ESD #9 - Round RockESD0.0999%$491
Williamson County FM/RdCounty0.0443%$218
Upper Brushy Creek WCIDWater0.0170%$84
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8928%$9,311
36 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $506,619 would pay approximately $3,162 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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