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646 SIERRA MAR LOOP, LEANDER, TX 78641

LEANDER, 78641 — williamson County

3 bed2 bath1,682 sqftBuilt 2017

Property at a Glance

This home is estimated between $328,291 and $366,305, with a best estimate of $364,821. That places the property above the L121405G - SUMMERLYNN PULTE & CENTEX median of $329,526, in a neighborhood that declined 4.5% over the past year.

Estimated Value Range

$328,291 $366,305
Best Estimate
$364,821
WCAD Value
$330,989
High Confidence

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

Based on 5 comparable properties in L121405G - SUMMERLYNN PULTE & CENTEX, this home's estimated market value is between $328,291 and $366,305. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

650 SIERRA MAR LOOP, LEANDER, TX 78641
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,431 sqft Built 2017
Raw Value $310,252
Adjusted Value $365,564

Adjusted +$55,312 for 251 sqft more living space. Net adjustment: +$55,312.

642 SIERRA MAR LOOP, LEANDER, TX 78641
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,452 sqft Built 2017
Raw Value $315,621
Adjusted Value $366,305

Adjusted +$50,684 for 230 sqft more living space. Net adjustment: +$50,684.

654 SIERRA MAR LOOP, LEANDER, TX 78641
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,492 sqft Built 2017
Raw Value $322,951
Adjusted Value $364,821

Adjusted +$41,870 for 190 sqft more living space. Net adjustment: +$41,870.

649 SIERRA MAR LOOP, LEANDER, TX 78641
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,682 sqft Built 2017
Raw Value $328,291
Adjusted Value $328,291

This comparable closely matches the subject property's features.

645 SIERRA MAR LOOP, LEANDER, TX 78641
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,492 sqft Built 2017
Raw Value $317,749
Adjusted Value $359,619

Adjusted +$41,870 for 190 sqft more living space. Net adjustment: +$41,870.

The Neighborhood

This home is in line with the L121405G - SUMMERLYNN PULTE & CENTEX median of $329,526. Note that values in this subdivision declined 4.5% over the past year.

L121405G - SUMMERLYNN PULTE & CENTEX

typical
1,278 Properties
$329,526 Median Value
-4.5% YoY Change
1% Have Pool
100% Have Garage
This Home
$330,989
Median
$329,526

This home is +0.4% above the subdivision median.

Tax Analysis

The estimated annual property tax is $7,291 across all districts. With a homestead exemption claimed, that drops to $5,708 — saving $1,583 per year. That's $476 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
Leander ISDSchool1.0869%$3,598
Williamson County MUD #13MUD0.5241%$1,735
Williamson CountyCounty0.3694%$1,223
Austin Community Collegespecial0.1034%$342
Williamson County ESD #4 - Liberty HillESD0.0745%$247
Williamson County FM/RdCounty0.0443%$147
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.2027%$7,291

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $364,821 would pay approximately $2,277 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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