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603 MARQUIS LN, CEDAR PARK, TX 78613

CEDAR PARK, 78613 — williamson County

4 bed3 bath3,656 sqftBuilt 2010

Property at a Glance

This home is estimated between $1,153,281 and $1,362,434, with a best estimate of $1,284,240. That places the property above the L321D72G - Cedar Park Ranchettes/Forest Park median of $495,775, in a neighborhood that declined 6.2% over the past year.

Estimated Value Range

$1,153,281 $1,362,434
Best Estimate
$1,284,240
WCAD Value
$780,371
High Confidence

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

Based on 5 comparable properties in L321D72G - Cedar Park Ranchettes/Forest Park, this home's estimated market value is between $1,153,281 and $1,362,434. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

304 MARQUIS LN, CEDAR PARK, TX 78613
0.00 mi 100% similar Same subdivision
4 bed 3 bath 3,060 sqft Built 2017
Raw Value $997,752
Adjusted Value $1,153,281

Adjusted +$168,393 for 596 sqft more living space and -$12,864 for being older. Net adjustment: +$155,529.

705 MARQUIS LN, CEDAR PARK, TX 78613
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,946 sqft Built 1996
Raw Value $1,057,910
Adjusted Value $1,284,240

Adjusted +$200,602 for 710 sqft more living space and +$25,728 for being newer. Net adjustment: +$226,330.

507 MARQUIS LN, CEDAR PARK, TX 78613
0.00 mi 100% similar Same subdivision
4 bed 3 bath 3,024 sqft Built 1995
Raw Value $1,156,304
Adjusted Value $1,362,434

Adjusted +$178,564 for 632 sqft more living space and +$27,566 for being newer. Net adjustment: +$206,130.

610 MARQUIS LN, CEDAR PARK, TX 78613
0.00 mi 96% similar Same subdivision
3 bed 3 bath 2,323 sqft Built 2003
Raw Value $945,486
Adjusted Value $1,334,973

Adjusted +$376,623 for 1,333 sqft more living space and +$12,864 for being newer. Net adjustment: +$389,487.

305 MARQUIS LN, CEDAR PARK, TX 78613
0.00 mi 93% similar Same subdivision
3 bed 2 bath 2,812 sqft Built 1996
Raw Value $891,567
Adjusted Value $1,155,757

Adjusted +$238,462 for 844 sqft more living space and +$25,728 for being newer. Net adjustment: +$264,190.

The Neighborhood

This home is valued 57.4% above the L321D72G - Cedar Park Ranchettes/Forest Park median of $495,775. With 247 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 6.2% over the past year.

L321D72G - Cedar Park Ranchettes/Forest Park

outlier high
247 Properties
$495,775 Median Value
-6.2% YoY Change
3% Have Pool
72% Have Garage
This Home
$780,371
Median
$495,775

This home is +57.4% above the subdivision median.

Tax Analysis

The estimated annual property tax is $15,460 across all districts. With a homestead exemption claimed, that drops to $13,766 — saving $1,694 per year. That's $1,147 per month a buyer should budget. The assessed value increased +91.7% vs the subdivision average of -6.2%. This above-average increase gives a protest opportunity score of 100 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Leander ISDSchool1.0869%$8,482
Williamson CountyCounty0.3694%$2,883
Cedar ParkCity0.3600%$2,809
Austin Community Collegespecial0.1034%$807
Williamson County FM/RdCounty0.0443%$346
Upper Brushy Creek WCIDWater0.0170%$133
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9811%$15,460
100 / 100

There may be a strong case to protest this appraisal.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $1,284,240 would pay approximately $8,016 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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