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1505 SOMERSET DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,220 sqftBuilt 1985

Property at a Glance

This home is estimated between $264,333 and $330,632, with a best estimate of $285,386. That places the property below the R123492H - Sam Bass/Hermitage/Somerset R3 median of $290,418, in a neighborhood that declined 7.8% over the past year.

Estimated Value Range

$264,333 $330,632
Best Estimate
$285,386
WCAD Value
$388,413
Low Confidence

Based on 5 comparable properties(0 in the same subdivision)

There are 5 comparable properties within range, but none are in R123492H - Sam Bass/Hermitage/Somerset R3. The estimated range of $264,333 and $330,632 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 1,269 sqft Built 1982
Raw Value $290,537
Adjusted Value $285,386

Adjusted -$11,185 for 49 sqft less living space and +$6,034 for being newer. Net adjustment: -$5,151.

3 bed 2 bath 1,303 sqft Built 1984
Raw Value $347,567
Adjusted Value $330,632

Adjusted -$18,946 for 83 sqft less living space and +$2,011 for being newer. Net adjustment: -$16,935.

3 bed 2 bath 1,133 sqft Built 1979
Raw Value $293,501
Adjusted Value $325,429

Adjusted +$19,859 for 87 sqft more living space and +$12,069 for being newer. Net adjustment: +$31,928.

3 bed 2 bath 1,254 sqft Built 1984
Raw Value $270,083
Adjusted Value $264,333

Adjusted -$7,761 for 34 sqft less living space and +$2,011 for being newer. Net adjustment: -$5,750.

3 bed 2 bath 1,212 sqft Built 1982
Raw Value $268,403
Adjusted Value $276,263

Adjusted +$1,826 for 8 sqft more living space and +$6,034 for being newer. Net adjustment: +$7,860.

The Neighborhood

This home is valued 33.7% above the R123492H - Sam Bass/Hermitage/Somerset R3 median of $290,418. With 648 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 7.8% over the past year.

R123492H - Sam Bass/Hermitage/Somerset R3

above average
648 Properties
$290,418 Median Value
-7.8% YoY Change
2% Have Pool
89% Have Garage
This Home
$388,413
Median
$290,418

This home is +33.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,989 across all districts. With a homestead exemption claimed, that drops to $5,667 — saving $1,322 per year. That's $472 per month a buyer should budget. The assessed value increased -0.1% vs the subdivision average of -7.8%. This above-average increase gives a protest opportunity score of 39 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$3,469
Round RockCity0.3720%$1,445
Williamson CountyCounty0.3694%$1,435
Austin Community Collegespecial0.1034%$402
Williamson County FM/RdCounty0.0443%$172
Upper Brushy Creek WCIDWater0.0170%$66
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,989
39 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $285,386 would pay approximately $1,781 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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