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1605 OLD SETTLEMENT, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,972 sqftBuilt 1984

Property at a Glance

This home is estimated between $341,317 and $1,096,627, with a best estimate of $717,450. That places the property above the R701575F - OLD TOWN ROUND ROCK median of $319,256, in a neighborhood that appreciated 4.3% over the past year.

Estimated Value Range

$341,317 $1,096,627
Best Estimate
$717,450
WCAD Value
$485,743
High Confidence

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

Based on 5 comparable properties in R701575F - OLD TOWN ROUND ROCK, this home's estimated market value is between $341,317 and $1,096,627. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1600 OLD SETTLEMENT RD, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,553 sqft Built 1993
Raw Value $823,740
Adjusted Value $646,731

Adjusted -$149,178 for 581 sqft less living space and -$27,831 for being older. Net adjustment: -$177,009.

1806 OLD SETTLEMENT RD, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,296 sqft Built 1977
Raw Value $992,213
Adjusted Value $1,096,627

Adjusted +$173,570 for 676 sqft more living space and +$21,646 for being newer and -$90,802 for no pool. Net adjustment: +$104,414.

1600 OLD SETTLEMENT RD, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,553 sqft Built 1993
Raw Value $894,459
Adjusted Value $717,450

Adjusted -$149,178 for 581 sqft less living space and -$27,831 for being older. Net adjustment: -$177,009.

1601 OLD SETTLEMENT RD, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,318 sqft Built 1984
Raw Value $554,576
Adjusted Value $341,317

Adjusted -$88,839 for 346 sqft less living space and -$124,420 for no garage. Net adjustment: -$213,259.

1600 OLD SETTLEMENT RD, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,553 sqft Built 1993
Raw Value $894,459
Adjusted Value $717,450

Adjusted -$149,178 for 581 sqft less living space and -$27,831 for being older. Net adjustment: -$177,009.

The Neighborhood

This home is valued 52.1% above the R701575F - OLD TOWN ROUND ROCK median of $319,256. With 360 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 4.3% over the past year.

R701575F - OLD TOWN ROUND ROCK

outlier high
360 Properties
$319,256 Median Value
+4.3% YoY Change
5% Have Pool
24% Have Garage
This Home
$485,743
Median
$319,256

This home is +52.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $8,740 across all districts. With a homestead exemption claimed, that drops to $7,400 — saving $1,340 per year. That's $617 per month a buyer should budget. The assessed value increased +8.7% vs the subdivision average of +4.3%. This above-average increase gives a protest opportunity score of 37 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$4,338
Round RockCity0.3720%$1,807
Williamson CountyCounty0.3694%$1,795
Austin Community Collegespecial0.1034%$502
Williamson County FM/RdCounty0.0443%$215
Upper Brushy Creek WCIDWater0.0170%$83
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$8,740
37 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $717,450 would pay approximately $4,478 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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