Beta Williamson County, TX only — data and coverage are limited during early access.

5801 PARMA ST, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath2,383 sqftBuilt 2015

Property at a Glance

This home is estimated between $429,342 and $601,512, with a best estimate of $540,293. That places the property above the H121413C - SIENA median of $406,354, in a neighborhood that declined 5.4% over the past year.

Estimated Value Range

$429,342 $601,512
Best Estimate
$540,293
WCAD Value
$371,816
High Confidence

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

Based on 5 comparable properties in H121413C - SIENA, this home's estimated market value is between $429,342 and $601,512. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

5817 PARMA ST, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 1,828 sqft Built 2015
Raw Value $348,379
Adjusted Value $465,711

Adjusted +$117,332 for 555 sqft more living space. Net adjustment: +$117,332.

5809 PESCIA ST, ROUND ROCK, TX 78665
0.00 mi 98% similar Same subdivision
4 bed 2 bath 1,739 sqft Built 2014
Raw Value $407,607
Adjusted Value $545,984

Adjusted +$136,148 for 644 sqft more living space and +$2,229 for being newer. Net adjustment: +$138,377.

5918 PARMA ST, ROUND ROCK, TX 78665
0.00 mi 98% similar Same subdivision
3 bed 2 bath 2,227 sqft Built 2015
Raw Value $396,362
Adjusted Value $429,342

Adjusted +$32,980 for 156 sqft more living space. Net adjustment: +$32,980.

8517 REGGIO ST, ROUND ROCK, TX 78665
0.00 mi 97% similar Same subdivision
3 bed 2 bath 2,206 sqft Built 2014
Raw Value $561,864
Adjusted Value $601,512

Adjusted +$37,419 for 177 sqft more living space and +$2,229 for being newer. Net adjustment: +$39,648.

5813 PARMA ST, ROUND ROCK, TX 78665
0.00 mi 97% similar Same subdivision
4 bed 3 bath 1,764 sqft Built 2015
Raw Value $409,431
Adjusted Value $540,293

Adjusted +$130,862 for 619 sqft more living space. Net adjustment: +$130,862.

The Neighborhood

This home is valued 8.5% below the H121413C - SIENA median of $406,354. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 5.4% over the past year.

H121413C - SIENA

typical
1,611 Properties
$406,354 Median Value
-5.4% YoY Change
1% Have Pool
100% Have Garage
This Home
$371,816
Median
$406,354

This home is -8.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,559 across all districts. With a homestead exemption claimed, that drops to $6,803 — saving $1,756 per year. That's $567 per month a buyer should budget. The assessed value increased +1.7% vs the subdivision average of -5.4%. 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
Hutto ISDSchool1.2052%$4,481
Siena MUD #1MUD0.5250%$1,952
Williamson CountyCounty0.3694%$1,374
Williamson County ESD #3 - HuttoESD0.1000%$372
Williamson County FM/RdCounty0.0443%$165
EWC Higher Ed Centerspecial0.0409%$152
Upper Brushy Creek WCIDWater0.0170%$63
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.3018%$8,559
36 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $540,293 would pay approximately $3,372 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.

View full property details