Zip Code: 21234 (Parkville, MD) - 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 21234 Zip Code in February 2026 was 89.961.

You can see similar for other Maryland Zip Codes.

The chart and table below shows the trend of the market hotness: supply score for the 21234 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: 21234 - Market Hotness: Trend of Supply Score
Zip Code: 21234 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 63.43642611683848
October 2017 66.71020712819556
November 2017 77.3989898989899
December 2017 76.97270791663978
January 2018 76.78631107546286
February 2018 75.51048756771775
March 2018 73.85111906265348
April 2018 88.55876445737239
May 2018 77.5245633187773
June 2018 80.52914977065745
July 2018 84.56124491509007
August 2018 80.32064384261625
September 2018 85.79761602840476
October 2018 87.78908999497234
November 2018 82.57513445112306
December 2018 84.73400154202004
January 2019 65.87149917627677
February 2019 69.59000068676602
March 2019 75.70488396259093
April 2019 84.20872188699946
May 2019 82.76051313713384
June 2019 85.35601425401734
July 2019 73.1800013105301
August 2019 60.447567004944055
September 2019 70.14117192032488
October 2019 82.13271365866254
November 2019 87.24124462960552
December 2019 87.65030226532917
January 2020 85.96344356076462
February 2020 71.12604060172339
March 2020 52.7620448694373
April 2020 96.8235119489387
May 2020 81.87518662287249
June 2020 95.25276045970105
July 2020 93.68184981826619
August 2020 82.18152866242038
September 2020 97.44885483739506
October 2020 97.70249874224383
November 2020 95.41824295922656
December 2020 83.24810439076
January 2021 83.71587796354018
February 2021 93.76481500566834
March 2021 72.5718194254446
April 2021 66.54249126891735
May 2021 70.31177829099308
June 2021 83.97554852090383
July 2021 83.58736247098012
August 2021 65.73682727528882
September 2021 58.7892580791989
October 2021 68.61702127659575
November 2021 53.23871906841339
December 2021 73.21009389671362
January 2022 83.03423978861609
February 2022 81.5386530561434
March 2022 86.53023006955591
April 2022 73.14551563711554
May 2022 51.100187265917604
June 2022 58.21435961100766
July 2022 57.04362322867463
August 2022 86.45646415449029
September 2022 85.45653823455021
October 2022 90.72522636879073
November 2022 96.61200366269874
December 2022 87.3079208761355
January 2023 85.22504892367905
February 2023 87.50119812134572
March 2023 83.49387918924343
April 2023 81.54761904761905
May 2023 85.21361478638522
June 2023 88.04808355503006
July 2023 89.92547872842185
August 2023 90.80032629384573
September 2023 79.32013845744208
October 2023 86.88776818531498
November 2023 93.42127515643497
December 2023 90.64930672979371
January 2024 92.82245960978194
February 2024 97.48993162873467
March 2024 95.30041073646002
April 2024 96.30181648812297
May 2024 89.616497829233
June 2024 86.7639440511138
July 2024 92.0441442925383
August 2024 77.80544622057997
September 2024 84.16490981494495
October 2024 89.28159815597387
November 2024 96.68864019622873
December 2024 93.95083609462897
January 2025 98.63666228646518
February 2025 96.20046419668185
March 2025 70.42375075515665
April 2025 97.69670477471419
May 2025 89.80938416422288
June 2025 88.30816879597367
July 2025 91.82952495490078
August 2025 81.49955634427684
September 2025 97.83666061705989
October 2025 96.4629294755877
November 2025 92.14932946719826
December 2025 92.10661575739776
January 2026 94.90816089281563
February 2026 90.5727441635027
March 2026 89.96138996138995