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1807 ROBB LN, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,517 sqftBuilt 1978

Property at a Glance

This home is estimated between $263,941 and $324,386, with a best estimate of $299,018. 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

$263,941 $324,386
Best Estimate
$299,018
WCAD Value
$341,507
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 $263,941 and $324,386 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 1,595 sqft Built 1979
Raw Value $295,427
Adjusted Value $278,893

Adjusted -$16,951 for 78 sqft less living space and +$417 for being newer. Net adjustment: -$16,534.

3 bed 2 bath 1,448 sqft Built 1985
Raw Value $281,103
Adjusted Value $299,018

Adjusted +$14,995 for 69 sqft more living space and +$2,920 for being newer. Net adjustment: +$17,915.

1803 ROBB LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,255 sqft Built 1978
Raw Value $424,324
Adjusted Value $263,941

Adjusted -$160,383 for 738 sqft less living space. Net adjustment: -$160,383.

3 bed 2 bath 1,335 sqft Built 1983
Raw Value $270,403
Adjusted Value $312,041

Adjusted +$39,552 for 182 sqft more living space and +$2,086 for being newer. Net adjustment: +$41,638.

3 bed 2 bath 1,333 sqft Built 1983
Raw Value $282,313
Adjusted Value $324,386

Adjusted +$39,987 for 184 sqft more living space and +$2,086 for being newer. Net adjustment: +$42,073.

The Neighborhood

This home is valued 3.5% 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
$341,507
Median
$353,946

This home is -3.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,145 across all districts. With a homestead exemption claimed, that drops to $4,831 — saving $1,314 per year. That's $403 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%$3,050
Round RockCity0.3720%$1,270
Williamson CountyCounty0.3694%$1,262
Austin Community Collegespecial0.1034%$353
Williamson County FM/RdCounty0.0443%$151
Upper Brushy Creek WCIDWater0.0170%$58
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,145

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $299,018 would pay approximately $1,866 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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