Zip Code: 81621 (Basalt, CO) - 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 81621 Zip Code in February 2026 was 68.438.

You can see similar for other Colorado Zip Codes.

The chart and table below shows the trend of the market hotness: supply score for the 81621 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: 81621 - Market Hotness: Trend of Supply Score
Zip Code: 81621 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 3.4114339268978444
October 2017 1.5861168128382162
November 2017 2.4431818181818183
December 2017 2.3033744112523387
January 2018 1.1162355457522892
February 2018 0.9515210445895264
March 2018 2.953764119834421
April 2018 9.121130272179514
May 2018 36.756277292576414
June 2018 35.212391145383236
July 2018 30.16078000903984
August 2018 32.96499744506898
September 2018 27.935582044128836
October 2018 17.69733534439417
November 2018 13.033850047453338
December 2018 16.563865330249293
January 2019 11.070840197693576
February 2019 15.658265229036466
March 2019 12.144094215448563
April 2019 18.938562808557325
May 2019 38.58818686972628
June 2019 34.88200094130303
July 2019 25.83710110739794
August 2019 38.628675513921415
September 2019 29.897505318120288
October 2019 19.86831913245546
November 2019 14.627001692487957
December 2019 6.822560286985984
January 2020 4.4928142877075485
February 2020 3.9725427194391703
March 2020 1.8315557190143434
April 2020 1.6253525308000596
May 2020 2.2096148103911615
June 2020 3.5604296552242167
July 2020 25.141133709689896
August 2020 27.523885350318473
September 2020 21.38723612356345
October 2020 20.920677511319806
November 2020 20.243799915931064
December 2020 9.19590901075648
January 2021 9.61556626050817
February 2021 26.67216324847985
March 2021 17.16826265389877
April 2021 7.29918509895227
May 2021 11.096997690531179
June 2021 22.814103263835825
July 2021 43.050368426365196
August 2021 36.68639053254438
September 2021 19.4446973145198
October 2021 14.22646952758745
November 2021 8.578966521106258
December 2021 4.284037558685446
January 2022 14.224375206429594
February 2022 93.76322668990414
March 2022 33.480470840021404
April 2022 6.422848281209614
May 2022 1.849250936329588
June 2022 2.441547692944341
July 2022 2.8711679170139854
August 2022 5.118345723318807
September 2022 7.823960880195599
October 2022 7.954641618007955
November 2022 2.672105219345709
December 2022 1.2310043297393667
January 2023 1.0407400818359722
February 2023 3.09594555736605
March 2023 2.5386313465783665
April 2023 7.614942528735632
May 2023 4.181395818604181
June 2023 3.931421814957139
July 2023 24.375058956702198
August 2023 39.20964379588507
September 2023 27.29209194994231
October 2023 29.1221471920677
November 2023 8.52359208523592
December 2023 4.421711193777477
January 2024 2.3925134634060212
February 2024 2.968998782429521
March 2024 1.1844493265832459
April 2024 0.968793665579879
May 2024 0.7416787264833574
June 2024 0.3885339319633915
July 2024 22.253335529566794
August 2024 49.60237770102016
September 2024 15.678925587569298
October 2024 10.495582020745294
November 2024 9.857427564004292
December 2024 21.592047468598288
January 2025 23.809132720105126
February 2025 51.26794464024758
March 2025 51.66134461033918
April 2025 32.985877605917956
May 2025 5.254154447702835
June 2025 1.0607820363917926
July 2025 0.38334335538184006
August 2025 2.7654540076900327
September 2025 3.7604355716878404
October 2025 1.9312839059674503
November 2025 0.6161652772743748
December 2025 5.5437256773625085
January 2026 3.8673176780593663
February 2026 22.328136359964457
March 2026 68.43834716175141