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

800 S IH 35, UNIT #A, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed656 sqftBuilt 1960

Property at a Glance

This home is estimated between $101,500 and $886,748, with a best estimate of $211,752. That places the property below 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

$101,500 $886,748
Best Estimate
$211,752
WCAD Value
$165,589
Medium Confidence

Based on 5 comparable properties(3 in the same subdivision)

Based on 5 comparable properties (3 in the same subdivision, 2 nearby), the estimated range is $101,500 and $886,748. More comparables in the same subdivision would strengthen this estimate.

Comparable Properties (5)

806 IH 35 S, ROUND ROCK, TX 78681
0.00 mi 84% similar Same subdivision
3 bed 1 bath 752 sqft Built 1920
Raw Value $170,099
Adjusted Value $211,752

Adjusted -$20,708 for 96 sqft less living space and +$62,361 for being newer. Net adjustment: +$41,653.

814 IH 35 S, ROUND ROCK, TX 78681
0.00 mi 81% similar Same subdivision
2 bed 1,303 sqft Built 1945
Raw Value $223,119
Adjusted Value $101,500

Adjusted -$139,566 for 647 sqft less living space and +$23,385 for being newer and -$5,438 for no garage. Net adjustment: -$121,619.

800 S IH 35, UNIT #C, ROUND ROCK, TX 78681
0.00 mi 71% similar Same subdivision
2 bed 1 bath 904 sqft Built 1940
Raw Value $148,854
Adjusted Value $126,537

Adjusted -$53,497 for 248 sqft less living space and +$31,180 for being newer. Net adjustment: -$22,317.

3 bed 2 bath 1,072 sqft Built 1978
Raw Value $1,017,511
Adjusted Value $886,748

Adjusted -$89,737 for 416 sqft less living space and -$28,062 for being older and -$7,526 for no pool and -$5,438 for no garage. Net adjustment: -$130,763.

3 bed 1,800 sqft Built 1979
Raw Value $1,127,589
Adjusted Value $851,193

Adjusted -$246,775 for 1,144 sqft less living space and -$29,621 for being older. Net adjustment: -$276,396.

The Neighborhood

This home is valued 41.1% below the R332479H - CHISHOLM VALLEY & NORTHRIDGE ACRES & WILLOW RUN median of $281,358. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 9.6% over the past year.

R332479H - CHISHOLM VALLEY & NORTHRIDGE ACRES & WILLOW RUN

below average
1,006 Properties
$281,358 Median Value
-9.6% YoY Change
2% Have Pool
84% Have Garage
This Home
$165,589
Median
$281,358

This home is -41.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $1,296 across all districts. With a homestead exemption claimed, that drops to $634 — saving $662 per year. That's $53 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%$643
Round RockCity0.3720%$268
Williamson CountyCounty0.3694%$266
Austin Community Collegespecial0.1034%$74
Williamson County FM/RdCounty0.0443%$32
Upper Brushy Creek WCIDWater0.0170%$12
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$1,296

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $211,752 would pay approximately $1,322 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