Zip Code: 80109 (Castle Rock, 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 80109 Zip Code in February 2026 was 86.536.

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 80109 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: 80109 - Market Hotness: Trend of Supply Score
Zip Code: 80109 - Market Hotness: Trend of Supply Score
Items per page:
0 of 0
Month Supply Score
September 2017 87.01655732583568
October 2017 72.55706910493251
November 2017 94.7979797979798
December 2017 94.2318859281244
January 2018 76.78631107546286
February 2018 76.38560911237671
March 2018 73.71079772679437
April 2018 81.75773945564097
May 2018 89.02838427947599
June 2018 85.23565778102771
July 2018 77.7942790727707
August 2018 88.1578947368421
September 2018 86.97692112604616
October 2018 87.42458521870287
November 2018 92.57829800695983
December 2018 80.49344641480339
January 2019 62.70840197693575
February 2019 47.002266327862095
March 2019 80.76203671631451
April 2019 96.19445968184311
May 2019 93.70240790286067
June 2019 88.37490755059504
July 2019 92.97555861345914
August 2019 94.80223783502471
September 2019 95.468316895507
October 2019 93.57733023495997
November 2019 91.06236167165733
December 2019 91.98830797847604
January 2020 84.2123622157109
February 2020 86.73871768657806
March 2020 97.82272894446487
April 2020 98.64925040819355
May 2020 97.51418333830995
June 2020 94.67437842710133
July 2020 94.04531745417988
August 2020 88.19267515923566
September 2020 93.83812861683919
October 2020 91.85812510481301
November 2020 91.83690626313577
December 2020 99.04778698642215
January 2021 97.02465287616889
February 2021 99.86602081830361
March 2021 97.91381668946649
April 2021 99.52270081490104
May 2021 99.39953810623557
June 2021 99.68344067241568
July 2021 99.08145755526395
August 2021 95.98948060486522
September 2021 72.3987255348202
October 2021 95.96105301117923
November 2021 90.32933042212518
December 2021 94.05320813771519
March 2022 99.77260567148207
April 2022 98.48798139054018
May 2022 99.23923220973782
June 2022 97.52741568384027
July 2022 98.61998703343521
August 2022 83.08126121507306
September 2022 68.65357052525081
October 2022 78.48015570787848
November 2022 58.877882294181305
December 2022 38.033788946430086
January 2023 83.7039672656111
February 2023 94.62283140036422
March 2023 69.81737908890227
April 2023 97.1572249589491
May 2023 98.26280173719826
June 2023 89.81180411863238
July 2023 92.20828223752477
August 2023 78.89966464243633
September 2023 85.53297239726635
October 2023 70.55303872125823
November 2023 55.843057669541686
December 2023 67.62766317213392
January 2024 45.184073452811866
February 2024 35.74974243701414
March 2024 87.66835418855669
April 2024 90.50768514205869
May 2024 76.99891461649783
June 2024 79.7357969262649
July 2024 72.55806292208862
August 2024 75.79725279138887
September 2024 55.57898024517842
October 2024 57.541298501728775
November 2024 66.20420052123256
December 2024 51.71457193496185
January 2025 55.35479632063075
February 2025 64.08493080030946
March 2025 76.18883231207387
April 2025 86.11297915265635
May 2025 89.38579341805149
June 2025 72.9616724738676
July 2025 75.80426939266385
August 2025 64.69239869860988
September 2025 40.653357531760435
October 2025 53.41048824593129
November 2025 66.901051105473
December 2025 47.06659813495852
January 2026 43.191505851352396
February 2026 90.5727441635027
March 2026 86.53577589747803