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5804 ARBIA LN, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath2,003 sqftBuilt 2016

Property at a Glance

This home is estimated between $400,423 and $708,888, with a best estimate of $407,907. 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

$400,423 $708,888
Best Estimate
$407,907
WCAD Value
$380,148
Low Confidence

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

There are 5 comparable properties within range, but few are in H121413C - SIENA. The estimated range of $400,423 and $708,888 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 1,939 sqft Built 2007
Raw Value $374,319
Adjusted Value $407,907

Adjusted +$13,530 for 64 sqft more living space and +$20,058 for being newer. Net adjustment: +$33,588.

5715 ARBIA LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,887 sqft Built 2016
Raw Value $380,697
Adjusted Value $405,220

Adjusted +$24,523 for 116 sqft more living space. Net adjustment: +$24,523.

3 bed 2,039 sqft Built 2011
Raw Value $705,356
Adjusted Value $708,888

Adjusted -$7,611 for 36 sqft less living space and +$11,143 for being newer. Net adjustment: +$3,532.

3 bed 2 bath 1,960 sqft Built 2007
Raw Value $371,274
Adjusted Value $400,423

Adjusted +$9,091 for 43 sqft more living space and +$20,058 for being newer. Net adjustment: +$29,149.

5810 LUCCA LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,528 sqft Built 2018
Raw Value $334,847
Adjusted Value $430,809

Adjusted +$100,419 for 475 sqft more living space and -$4,457 for being older. Net adjustment: +$95,962.

The Neighborhood

This home is valued 6.4% 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
$380,148
Median
$406,354

This home is -6.4% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,750 across all districts. With a homestead exemption claimed, that drops to $6,993 — saving $1,757 per year. That's $583 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
Hutto ISDSchool1.2052%$4,582
Siena MUD #1MUD0.5250%$1,996
Williamson CountyCounty0.3694%$1,404
Williamson County ESD #3 - HuttoESD0.1000%$380
Williamson County FM/RdCounty0.0443%$169
EWC Higher Ed Centerspecial0.0409%$155
Upper Brushy Creek WCIDWater0.0170%$65
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.3018%$8,750

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $407,907 would pay approximately $2,546 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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