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640 LOOKOUT TREE LN, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath784 sqftBuilt 2014

Property at a Glance

This home is estimated between $213,126 and $297,854, with a best estimate of $214,481. That places the property below the R527213F - Turtle Creek Lookout Tree Lane Condos median of $291,258, in a neighborhood that declined 3.0% over the past year.

Estimated Value Range

$213,126 $297,854
Best Estimate
$214,481
WCAD Value
$288,912
High Confidence

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

Based on 5 comparable properties in R527213F - Turtle Creek Lookout Tree Lane Condos, this home's estimated market value is between $213,126 and $297,854. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

512 LOOKOUT TREE LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,038 sqft Built 2013
Raw Value $292,615
Adjusted Value $213,126

Adjusted -$81,162 for 254 sqft less living space and +$1,673 for being newer. Net adjustment: -$79,489.

636 LOOKOUT TREE LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 690 sqft Built 2014
Raw Value $267,818
Adjusted Value $297,854

Adjusted +$30,036 for 94 sqft more living space. Net adjustment: +$30,036.

612 LOOKOUT TREE LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,038 sqft Built 2013
Raw Value $293,970
Adjusted Value $214,481

Adjusted -$81,162 for 254 sqft less living space and +$1,673 for being newer. Net adjustment: -$79,489.

632 LOOKOUT TREE LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,038 sqft Built 2014
Raw Value $294,742
Adjusted Value $213,580

Adjusted -$81,162 for 254 sqft less living space. Net adjustment: -$81,162.

608 LOOKOUT TREE LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 784 sqft Built 2013
Raw Value $289,902
Adjusted Value $291,575

Adjusted +$1,673 for being newer. Net adjustment: +$1,673.

The Neighborhood

This home is in line with the R527213F - Turtle Creek Lookout Tree Lane Condos median of $291,258. Note that values in this subdivision declined 3.0% over the past year.

R527213F - Turtle Creek Lookout Tree Lane Condos

typical
48 Properties
$291,258 Median Value
-3.0% YoY Change
0% Have Pool
25% Have Garage
This Home
$288,912
Median
$291,258

This home is -0.8% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,198 across all districts. With a homestead exemption claimed, that drops to $3,895 — saving $1,303 per year. That's $325 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%$2,580
Round RockCity0.3720%$1,075
Williamson CountyCounty0.3694%$1,067
Austin Community Collegespecial0.1034%$299
Williamson County FM/RdCounty0.0443%$128
Upper Brushy Creek WCIDWater0.0170%$49
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,198

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $214,481 would pay approximately $1,339 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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