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

806 IH 35 S, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed1 bath752 sqftBuilt 1920

Property at a Glance

This home is estimated between $59,847 and $1,302,295, with a best estimate of $123,936. 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

$59,847 $1,302,295
Best Estimate
$123,936
WCAD Value
$170,099
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 $59,847 and $1,302,295. More comparables in the same subdivision would strengthen this estimate.

Comparable Properties (5)

800 S IH 35, UNIT #A, ROUND ROCK, TX 78681
0.00 mi 84% similar Same subdivision
3 bed 656 sqft Built 1960
Raw Value $165,589
Adjusted Value $123,936

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

800 S IH 35, UNIT #C, ROUND ROCK, TX 78681
0.00 mi 81% similar Same subdivision
2 bed 1 bath 904 sqft Built 1940
Raw Value $148,854
Adjusted Value $84,886

Adjusted -$32,788 for 152 sqft less living space and -$31,180 for being older. Net adjustment: -$63,968.

814 IH 35 S, ROUND ROCK, TX 78681
0.00 mi 74% similar Same subdivision
2 bed 1,303 sqft Built 1945
Raw Value $223,119
Adjusted Value $59,847

Adjusted -$118,858 for 551 sqft less living space and -$38,976 for being older and -$5,438 for no garage. Net adjustment: -$163,272.

3 bed 2,295 sqft Built 1922
Raw Value $1,082,646
Adjusted Value $746,683

Adjusted -$332,845 for 1,543 sqft less living space and -$3,118 for being older. Net adjustment: -$335,963.

3 bed 6,251 sqft Built 1920
Raw Value $2,488,500
Adjusted Value $1,302,295

Adjusted -$1,186,205 for 5,499 sqft less living space. Net adjustment: -$1,186,205.

The Neighborhood

This home is valued 39.5% 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
$170,099
Median
$281,358

This home is -39.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $1,050 across all districts. With a homestead exemption claimed, that drops to $510 — saving $540 per year. That's $43 per month a buyer should budget. The assessed value increased -0.8% vs the subdivision average of -9.6%. This above-average increase gives a protest opportunity score of 44 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$521
Round RockCity0.3720%$217
Williamson CountyCounty0.3694%$216
Austin Community Collegespecial0.1034%$60
Williamson County FM/RdCounty0.0443%$26
Upper Brushy Creek WCIDWater0.0170%$10
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$1,050
44 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $123,936 would pay approximately $774 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