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2300 ARNIE LN, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

4 bed2 bath1,220 sqftBuilt 1999

Property at a Glance

This home is estimated between $450,434 and $561,423, with a best estimate of $514,539. That places the property below 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

$450,434 $561,423
Best Estimate
$514,539
WCAD Value
$557,516
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 $450,434 and $561,423. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

2319 ARNIE LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,277 sqft Built 2001
Raw Value $552,068
Adjusted Value $531,022

Adjusted -$17,441 for 57 sqft less living space and -$3,605 for being older. Net adjustment: -$21,046.

2310 ARNIE LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,364 sqft Built 1998
Raw Value $556,796
Adjusted Value $514,539

Adjusted -$44,060 for 144 sqft less living space and +$1,803 for being newer. Net adjustment: -$42,257.

2306 ARNIE LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,557 sqft Built 1998
Raw Value $551,744
Adjusted Value $450,434

Adjusted -$103,113 for 337 sqft less living space and +$1,803 for being newer. Net adjustment: -$101,310.

2317 ARNIE LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,438 sqft Built 1998
Raw Value $572,624
Adjusted Value $507,725

Adjusted -$66,702 for 218 sqft less living space and +$1,803 for being newer. Net adjustment: -$64,899.

2315 ARNIE LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,200 sqft Built 1999
Raw Value $555,304
Adjusted Value $561,423

Adjusted +$6,119 for 20 sqft more living space. Net adjustment: +$6,119.

The Neighborhood

This home is valued 3.8% 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

typical
219 Properties
$579,777 Median Value
-6.5% YoY Change
2% Have Pool
97% Have Garage
This Home
$557,516
Median
$579,777

This home is -3.8% below the subdivision median.

Tax Analysis

The estimated annual property tax is $10,031 across all districts. With a homestead exemption claimed, that drops to $8,678 — saving $1,353 per year. That's $723 per month a buyer should budget. The assessed value increased +5.5% vs the subdivision average of -6.5%. This above-average increase gives a protest opportunity score of 65 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$4,979
Round RockCity0.3720%$2,074
Williamson CountyCounty0.3694%$2,060
Austin Community Collegespecial0.1034%$576
Williamson County FM/RdCounty0.0443%$247
Upper Brushy Creek WCIDWater0.0170%$95
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$10,031
65 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $514,539 would pay approximately $3,212 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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