NOT LISTED FOR SALE

15520 20th Ave SW Seattle, WA 98166

Lake Burien Neighborhood

Estimated Value: $454,798 - $649,000

1 Bed
1 Bath
500 Sq Ft
$1,079/Sq Ft Est. Value

About This Home

This home is located at 15520 20th Ave SW, Seattle, WA 98166 and is currently estimated at $539,450, approximately $1,078 per square foot. 15520 20th Ave SW is a home with nearby schools including Gregory Heights Elementary School, Sylvester Middle School, and Highline High School.

Ownership History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Name Owned For Owner Type

Purchase Details

Closed on
Nov 21, 2025
Sold by
Bought by
Current Estimated Value
$539,450
Source: Public Records

Range of Values:

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Value Increase
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Percent Increase
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Adjusted for Inflation
Collateral Analytics

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ICE

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First American

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Quantarium

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Average Value
Not Available
List Price
Sold Price
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Home Values in the Area

Source: Public Records

Average Home Value in this Area

Source: Public Records

Purchase History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Buyer Sale Price Title Company
$313 None Listed On Document
Source: Public Records

Tax History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Year Tax Paid Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. Land Improvement
2025 $4,741 $393,000 $334,000 $59,000
2024 $4,523 $396,000 $301,000 $95,000
2023 $4,261 $360,000 $297,000 $63,000
2022 $4,065 $381,000 $297,000 $84,000
2021 $3,736 $321,000 $251,000 $70,000
2020 $1,442 $284,000 $222,000 $62,000
Source: Public Records

Map

Washington King County Seattle 98166 Lake Burien

15520 20th Ave SW, Seattle, WA

Disclaimer: Certain information contained herein is derived from information provided by parties other than Homes.com. All information provided is deemed reliable, but is not guaranteed to be accurate and should be independently verified.

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