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637 SIERRA MAR LOOP, LEANDER, TX 78641

LEANDER, 78641 — williamson County

3 bed2 bath1,492 sqftBuilt 2017

Property at a Glance

This home is estimated between $242,560 and $324,436, with a best estimate of $322,881. That places the property below the L121405G - SUMMERLYNN PULTE & CENTEX median of $329,526, in a neighborhood that declined 4.5% over the past year.

Estimated Value Range

$242,560 $324,436
Best Estimate
$322,881
WCAD Value
$326,633
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 $242,560 and $324,436. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

641 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 $323,694

Adjusted +$13,442 for 61 sqft more living space. Net adjustment: +$13,442.

633 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 $324,436

Adjusted +$8,815 for 40 sqft more living space. Net adjustment: +$8,815.

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

This comparable closely matches the subject property's features.

629 SIERRA MAR LOOP, LEANDER, TX 78641
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,492 sqft Built 2017
Raw Value $323,197
Adjusted Value $322,881

Adjusted -$316 for no pool. Net adjustment: -$316.

616 SIERRA MAR LOOP, LEANDER, TX 78641
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,968 sqft Built 2017
Raw Value $347,455
Adjusted Value $242,560

Adjusted -$104,895 for 476 sqft less living space. Net adjustment: -$104,895.

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
$326,633
Median
$329,526

This home is -0.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,195 across all districts. With a homestead exemption claimed, that drops to $5,613 — saving $1,582 per year. That's $468 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%$3,550
Williamson County MUD #13MUD0.5241%$1,712
Williamson CountyCounty0.3694%$1,207
Austin Community Collegespecial0.1034%$338
Williamson County ESD #4 - Liberty HillESD0.0745%$243
Williamson County FM/RdCounty0.0443%$145
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.2027%$7,195

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $322,881 would pay approximately $2,015 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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