Zip Code: 98121 (Seattle, WA) - Market Hotness: Trend of Supply Score (Realtor)
Updated on March 13, 2026.

According to data from Realtor.com, the market hotness: supply score for the 98121 Zip Code in February 2026 was 78.329.

You can see similar for other Washington Zip Codes.

The chart and table below shows the trend of the market hotness: supply score for the 98121 zip code.

Note: Supply Score is an index representing the metro's median days on market ranking compared to other metros.

Data Source: Realtor.
Zip Code: 98121 - Market Hotness: Trend of Supply Score
Zip Code: 98121 - Market Hotness: Trend of Supply Score
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Month Supply Score
October 2017 99.59569571437457
November 2017 94.7979797979798
December 2017 92.61887863733143
January 2018 81.47182674954882
February 2018 92.39477705236838
March 2018 99.06686311653688
April 2018 89.85386799639863
May 2018 98.47161572052401
June 2018 98.41122116599082
July 2018 95.02808807386842
August 2018 86.12033725089422
September 2018 77.82779609434441
October 2018 89.3413775766717
November 2018 92.74280291047137
December 2018 90.94063222821896
January 2019 74.82042833607908
February 2019 51.63793695487947
March 2019 45.9023207481815
April 2019 60.710367526055954
May 2019 72.66241339095836
June 2019 66.91319841323204
July 2019 67.58403774326716
August 2019 46.4415820973198
September 2019 53.56152904015986
October 2019 58.99173767105603
November 2019 60.53248274964197
December 2019 41.02836643858367
January 2020 29.04283521696665
February 2020 16.43785599532642
March 2020 55.23354174328797
April 2020 84.34763247736382
May 2020 84.78650343386084
June 2020 72.35784571471494
July 2020 91.4933106488284
August 2020 76.79140127388536
September 2020 73.88540223327085
October 2020 53.58041254402146
November 2020 42.97604035308954
December 2020 29.888908481749247
January 2021 19.37281571738925
February 2021 24.2296197052458
March 2021 40.68627450980392
April 2021 29.0104772991851
May 2021 19.12240184757506
June 2021 14.681803296583343
July 2021 17.553245180175633
August 2021 32.394101624870856
September 2021 26.42694583522986
October 2021 26.054814280562567
November 2021 46.46106259097525
December 2021 37.42175273865415
January 2022 31.67455686447209
February 2022 60.47553840408316
March 2022 73.15409309791332
April 2022 77.83665029723443
May 2022 51.100187265917604
June 2022 40.06828057107386
July 2022 74.66888950634436
August 2022 32.025976245407165
September 2022 45.814012309248795
October 2022 31.395447237031394
November 2022 34.604178806293184
December 2022 40.55522540113762
January 2023 62.22202455079168
February 2023 53.695006230231
March 2023 68.23198876179009
April 2023 81.84523809523809
May 2023 57.24674275325725
June 2023 69.23834860577396
July 2023 48.080369776436186
August 2023 45.76271186440678
September 2023 31.889589065412267
October 2023 30.69493119070006
November 2023 34.17047184170472
December 2023 34.502874535001695
January 2024 34.03372472852476
February 2024 21.728950079610378
March 2024 89.96083675613717
April 2024 84.47135537959944
May 2024 69.87156295224312
June 2024 65.37730961837333
July 2024 50.29649151704826
August 2024 39.85059040886818
September 2024 37.229640040602796
October 2024 42.48175182481752
November 2024 43.19331595891461
December 2024 40.04777683594051
January 2025 23.201379763469117
February 2025 31.788876472105215
March 2025 63.97687063087943
April 2025 58.70040349697378
May 2025 56.826327794069734
June 2025 54.38637243515292
July 2025 46.053818400481056
August 2025 51.98905649216208
September 2025 49.08892921960072
October 2025 39.67450271247739
November 2025 36.71620152229069
December 2025 34.12144797709083
January 2026 19.26683716965047
February 2026 16.15639389288311
March 2026 78.32908896738684