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

821 LORRAINE CV, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath2,946 sqftBuilt 2018

Property at a Glance

This home is estimated between $641,782 and $1,133,944, with a best estimate of $726,556. That places the property above the R500515C - FOREST GROVE median of $686,297, in a neighborhood that declined 2.9% over the past year.

Estimated Value Range

$641,782 $1,133,944
Best Estimate
$726,556
WCAD Value
$658,013
High Confidence

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

Based on 5 comparable properties in R500515C - FOREST GROVE, this home's estimated market value is between $641,782 and $1,133,944. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

814 LORRAINE CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,738 sqft Built 2018
Raw Value $671,310
Adjusted Value $726,556

Adjusted +$55,246 for 208 sqft more living space. Net adjustment: +$55,246.

817 LORRAINE CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,749 sqft Built 2018
Raw Value $816,016
Adjusted Value $1,133,944

Adjusted +$317,928 for 1,197 sqft more living space. Net adjustment: +$317,928.

822 LORRAINE CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,253 sqft Built 2017
Raw Value $785,365
Adjusted Value $972,950

Adjusted +$184,064 for 693 sqft more living space and +$3,521 for being newer. Net adjustment: +$187,585.

826 LORRAINE CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,738 sqft Built 2018
Raw Value $643,672
Adjusted Value $698,918

Adjusted +$55,246 for 208 sqft more living space. Net adjustment: +$55,246.

805 LORRAINE CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 3,071 sqft Built 2018
Raw Value $674,983
Adjusted Value $641,782

Adjusted -$33,201 for 125 sqft less living space. Net adjustment: -$33,201.

The Neighborhood

This home is valued 4.1% below the R500515C - FOREST GROVE median of $686,297. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 2.9% over the past year.

R500515C - FOREST GROVE

typical
197 Properties
$686,297 Median Value
-2.9% YoY Change
1% Have Pool
100% Have Garage
This Home
$658,013
Median
$686,297

This home is -4.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $11,839 across all districts. With a homestead exemption claimed, that drops to $10,468 — saving $1,371 per year. That's $872 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%$5,877
Round RockCity0.3720%$2,448
Williamson CountyCounty0.3694%$2,431
Austin Community Collegespecial0.1034%$680
Williamson County FM/RdCounty0.0443%$292
Upper Brushy Creek WCIDWater0.0170%$112
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$11,839

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $726,556 would pay approximately $4,535 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