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1608 ROBB LN, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

4 bed3 bath2,160 sqftBuilt 1975

Property at a Glance

This home is estimated between $401,857 and $462,483, with a best estimate of $427,677. That places the property above the R462475H - Egger Acres median of $353,946, in a neighborhood that declined 4.4% over the past year.

Estimated Value Range

$401,857 $462,483
Best Estimate
$427,677
WCAD Value
$434,685
High Confidence

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

Based on 5 comparable properties in R462475H - Egger Acres, this home's estimated market value is between $401,857 and $462,483. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1606 ROBB LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,836 sqft Built 1973
Raw Value $358,099
Adjusted Value $427,677

Adjusted +$70,412 for 324 sqft more living space and -$834 for being older. Net adjustment: +$69,578.

1704 ROBB LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,006 sqft Built 1977
Raw Value $390,196
Adjusted Value $424,497

Adjusted +$33,467 for 154 sqft more living space and +$834 for being newer. Net adjustment: +$34,301.

1603 ROBB LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,173 sqft Built 1977
Raw Value $403,848
Adjusted Value $401,857

Adjusted -$2,825 for 13 sqft less living space and +$834 for being newer. Net adjustment: -$1,991.

1708 ROBB LN, ROUND ROCK, TX 78664
0.00 mi 98% similar Same subdivision
3 bed 2 bath 1,676 sqft Built 1975
Raw Value $343,455
Adjusted Value $448,638

Adjusted +$105,183 for 484 sqft more living space. Net adjustment: +$105,183.

1604 ROBB LN, ROUND ROCK, TX 78664
0.00 mi 96% similar Same subdivision
3 bed 2 bath 1,596 sqft Built 1973
Raw Value $340,748
Adjusted Value $462,483

Adjusted +$122,569 for 564 sqft more living space and -$834 for being older. Net adjustment: +$121,735.

The Neighborhood

This home is valued 22.8% above the R462475H - Egger Acres median of $353,946. With 340 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 4.4% over the past year.

R462475H - Egger Acres

above average
340 Properties
$353,946 Median Value
-4.4% YoY Change
6% Have Pool
87% Have Garage
This Home
$434,685
Median
$353,946

This home is +22.8% above the subdivision median.

Tax Analysis

The estimated annual property tax is $7,821 across all districts. With a homestead exemption claimed, that drops to $6,491 — saving $1,330 per year. That's $541 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%$3,882
Round RockCity0.3720%$1,617
Williamson CountyCounty0.3694%$1,606
Austin Community Collegespecial0.1034%$449
Williamson County FM/RdCounty0.0443%$193
Upper Brushy Creek WCIDWater0.0170%$74
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$7,821

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $427,677 would pay approximately $2,670 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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