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2309 ARNIE LN, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

4 bed3 bath2,469 sqftBuilt 2000

Property at a Glance

This home is estimated between $449,587 and $796,534, with a best estimate of $662,633. That places the property above the R545698D - Forest Creek Sec 8 & 9 median of $579,777, in a neighborhood that declined 6.5% over the past year.

Estimated Value Range

$449,587 $796,534
Best Estimate
$662,633
WCAD Value
$474,508
High Confidence

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

Based on 5 comparable properties in R545698D - Forest Creek Sec 8 & 9, this home's estimated market value is between $449,587 and $796,534. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

2312 ARNIE LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,582 sqft Built 1998
Raw Value $480,557
Adjusted Value $449,587

Adjusted -$34,575 for 113 sqft less living space and +$3,605 for being newer. Net adjustment: -$30,970.

2302 ARNIE LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,683 sqft Built 1998
Raw Value $552,434
Adjusted Value $796,534

Adjusted +$240,495 for 786 sqft more living space and +$3,605 for being newer. Net adjustment: +$244,100.

2318 ARNIE LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,369 sqft Built 2000
Raw Value $632,036
Adjusted Value $662,633

Adjusted +$30,597 for 100 sqft more living space. Net adjustment: +$30,597.

2308 ARNIE LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,088 sqft Built 1998
Raw Value $428,049
Adjusted Value $548,230

Adjusted +$116,576 for 381 sqft more living space and +$3,605 for being newer. Net adjustment: +$120,181.

2307 ARNIE LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,870 sqft Built 2000
Raw Value $588,138
Adjusted Value $771,416

Adjusted +$183,278 for 599 sqft more living space. Net adjustment: +$183,278.

The Neighborhood

This home is valued 18.2% below the R545698D - Forest Creek Sec 8 & 9 median of $579,777. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 6.5% over the past year.

R545698D - Forest Creek Sec 8 & 9

below average
219 Properties
$579,777 Median Value
-6.5% YoY Change
2% Have Pool
97% Have Garage
This Home
$474,508
Median
$579,777

This home is -18.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,538 across all districts. With a homestead exemption claimed, that drops to $7,200 — saving $1,338 per year. That's $600 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%$4,238
Round RockCity0.3720%$1,765
Williamson CountyCounty0.3694%$1,753
Austin Community Collegespecial0.1034%$491
Williamson County FM/RdCounty0.0443%$210
Upper Brushy Creek WCIDWater0.0170%$81
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$8,538

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $662,633 would pay approximately $4,136 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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