Beta Williamson County, TX only — data and coverage are limited during early access.

1605 SAGEBRUSH DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,337 sqftBuilt 1978

Property at a Glance

This home is estimated between $278,633 and $345,547, with a best estimate of $298,969. That places the property above the R332479H - CHISHOLM VALLEY & NORTHRIDGE ACRES & WILLOW RUN median of $281,358, in a neighborhood that declined 9.6% over the past year.

Estimated Value Range

$278,633 $345,547
Best Estimate
$298,969
WCAD Value
$297,370
Low Confidence

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

There are 5 comparable properties within range, but few are in R332479H - CHISHOLM VALLEY & NORTHRIDGE ACRES & WILLOW RUN. The estimated range of $278,633 and $345,547 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 $298,969

Adjusted +$14,668 for 68 sqft more living space and -$6,236 for being older. Net adjustment: +$8,432.

3 bed 2 bath 1,303 sqft Built 1984
Raw Value $347,567
Adjusted Value $345,547

Adjusted +$7,334 for 34 sqft more living space and -$9,354 for being older. Net adjustment: -$2,020.

505 DRY CREEK CT, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,254 sqft Built 1984
Raw Value $270,083
Adjusted Value $278,633

Adjusted +$17,904 for 83 sqft more living space and -$9,354 for being older. Net adjustment: +$8,550.

3 bed 2 bath 1,212 sqft Built 1982
Raw Value $268,403
Adjusted Value $289,131

Adjusted +$26,964 for 125 sqft more living space and -$6,236 for being older. Net adjustment: +$20,728.

3 bed 2 bath 1,133 sqft Built 1979
Raw Value $293,501
Adjusted Value $335,947

Adjusted +$44,005 for 204 sqft more living space and -$1,559 for being older. Net adjustment: +$42,446.

The Neighborhood

This home is valued 5.7% above the R332479H - CHISHOLM VALLEY & NORTHRIDGE ACRES & WILLOW RUN median of $281,358. With 1,006 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 9.6% over the past year.

R332479H - CHISHOLM VALLEY & NORTHRIDGE ACRES & WILLOW RUN

typical
1,006 Properties
$281,358 Median Value
-9.6% YoY Change
2% Have Pool
84% Have Garage
This Home
$297,370
Median
$281,358

This home is +5.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $5,351 across all districts. With a homestead exemption claimed, that drops to $4,045 — saving $1,306 per year. That's $337 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%$2,656
Round RockCity0.3720%$1,106
Williamson CountyCounty0.3694%$1,099
Austin Community Collegespecial0.1034%$307
Williamson County FM/RdCounty0.0443%$132
Upper Brushy Creek WCIDWater0.0170%$51
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,351

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $298,969 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.

View full property details