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1400 ROBB LN, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,493 sqftBuilt 1971

Property at a Glance

This home is estimated between $277,926 and $306,060, with a best estimate of $287,430. That places the property below the R462475H - Egger Acres median of $353,946, in a neighborhood that declined 4.4% over the past year.

Estimated Value Range

$277,926 $306,060
Best Estimate
$287,430
WCAD Value
$318,582
Low Confidence

Based on 5 comparable properties(1 in the same subdivision)

There are 5 comparable properties within range, but few are in R462475H - Egger Acres. The estimated range of $277,926 and $306,060 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 1,409 sqft Built 1977
Raw Value $253,314
Adjusted Value $277,926

Adjusted +$18,255 for 84 sqft more living space and +$2,503 for being newer and +$3,854 for having a pool. Net adjustment: +$24,612.

1406 ROBB LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,798 sqft Built 1971
Raw Value $363,020
Adjusted Value $300,591

Adjusted -$66,283 for 305 sqft less living space and +$3,854 for having a pool. Net adjustment: -$62,429.

3 bed 2 bath 1,487 sqft Built 1978
Raw Value $279,352
Adjusted Value $287,430

Adjusted +$1,304 for 6 sqft more living space and +$2,920 for being newer and +$3,854 for having a pool. Net adjustment: +$8,078.

3 bed 2 bath 1,543 sqft Built 1979
Raw Value $285,885
Adjusted Value $282,211

Adjusted -$10,866 for 50 sqft less living space and +$3,338 for being newer and +$3,854 for having a pool. Net adjustment: -$3,674.

3 bed 2 bath 1,366 sqft Built 1977
Raw Value $272,103
Adjusted Value $306,060

Adjusted +$27,600 for 127 sqft more living space and +$2,503 for being newer and +$3,854 for having a pool. Net adjustment: +$33,957.

The Neighborhood

This home is valued 10.0% below the R462475H - Egger Acres median of $353,946. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 4.4% over the past year.

R462475H - Egger Acres

typical
340 Properties
$353,946 Median Value
-4.4% YoY Change
6% Have Pool
87% Have Garage
This Home
$318,582
Median
$353,946

This home is -10.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,732 across all districts. With a homestead exemption claimed, that drops to $4,423 — saving $1,309 per year. That's $369 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%$2,845
Round RockCity0.3720%$1,185
Williamson CountyCounty0.3694%$1,177
Austin Community Collegespecial0.1034%$329
Williamson County FM/RdCounty0.0443%$141
Upper Brushy Creek WCIDWater0.0170%$54
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,732

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $287,430 would pay approximately $1,794 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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