Zip Code: 21771 (Mount Airy, MD) - Trend of Median House Listing Price Per Square Feet (Realtor)
Updated on March 13, 2026.

According to data from Realtor.com, the median house listing price per square feet for the 21771 Zip Code in February 2026 was $269. The month over month percentage change (MoM) was 0.0086%, and the year over year percentage change (YoY) was -0.0372%.

You can see similar for other Maryland Zip Codes, and for Maryland.

The chart below shows the trend of the median house listing price per square feet in the 21771 zip code. The table below shows the trend of the median house listing price per square feet, and the MoM and YoY percentage changes.

Data Source: Realtor.
Zip Code: 21771 - Trend of Median House Listing Price Per Square Feet ($)
Zip Code: 21771 Trend of Median House Listing Price Per Square Feet
Items per page:
1 – 10 of 116
Month Price ($) MoM Perc. Change (%) YoY Perc. Change (%)
Aug 2016 182
Sep 2016 182
Oct 2016 186
Nov 2016 184
Dec 2016 181
Jan 2017 182
Feb 2017 178
Mar 2017 180
Apr 2017 193
May 2017 189
Jun 2017 193
Jul 2017 186
Aug 2017 194 0.0401 0.0632
Sep 2017 204 0.0536 0.1222
Oct 2017 201 -0.0174 0.0784
Nov 2017 199 -0.0101 0.0827
Dec 2017 188 -0.055 0.0363
Jan 2018 211 0.1228 0.1558
Feb 2018 216 0.0219 0.2092
Mar 2018 214 -0.0077 0.1876
Apr 2018 210 -0.0177 0.0903
May 2018 211 0.0038 0.1148
Jun 2018 210 -0.006 0.0871
Jul 2018 201 -0.0409 0.0781
Aug 2018 197 -0.0222 0.0135
Sep 2018 202 0.0274 -0.0117
Oct 2018 207 0.0239 0.03
Nov 2018 202 -0.0233 0.0162
Dec 2018 194 -0.0411 0.0312
Jan 2019 194 0.001 -0.0807
Feb 2019 193 -0.0028 -0.1029
Mar 2019 191 -0.0119 -0.1067
Apr 2019 190 -0.0052 -0.0953
May 2019 189 -0.0031 -0.1016
Jun 2019 186 -0.017 -0.1115
Jul 2019 188 0.0094 -0.0649
Aug 2019 190 0.0084 -0.0356
Sep 2019 192 0.0124 -0.0498
Oct 2019 197 0.0241 -0.0497
Nov 2019 195 -0.0077 -0.0344
Dec 2019 187 -0.041 -0.0344
Jan 2020 189 0.0108 -0.0249
Feb 2020 197 0.0399 0.0168
Mar 2020 188 -0.0453 -0.0174
Apr 2020 193 0.0259 0.0133
May 2020 190 -0.0111 0.0052
Jun 2020 193 0.0123 0.0351
Jul 2020 199 0.0333 0.0596
Aug 2020 202 0.0138 0.0652
Sep 2020 198 -0.0182 0.033
Oct 2020 211 0.0662 0.0755
Nov 2020 219 0.0382 0.1252
Dec 2020 213 -0.0302 0.1379
Jan 2021 228 0.071 0.2057
Feb 2021 243 0.0669 0.237
Mar 2021 234 -0.0372 0.2475
Apr 2021 221 -0.0571 0.1466
May 2021 219 -0.0068 0.1516
Jun 2021 244 0.1113 0.2643
Jul 2021 231 -0.0513 0.1608
Aug 2021 232 0.003 0.1484
Sep 2021 229 -0.0109 0.1569
Oct 2021 224 -0.0247 0.0583
Nov 2021 221 -0.0107 0.0084
Dec 2021 233 0.0506 0.0925
Jan 2022 229 -0.0159 0.0039
Feb 2022 217 -0.0529 -0.1089
Mar 2022 225 0.0382 -0.0392
Apr 2022 222 -0.0126 0.0061
May 2022 232 0.0447 0.0583
Jun 2022 246 0.0619 0.0112
Jul 2022 230 -0.0688 -0.0075
Aug 2022 228 -0.0045 -0.0148
Sep 2022 228 -0.0014 -0.0054
Oct 2022 230 0.0066 0.0265
Nov 2022 231 0.0038 0.0416
Dec 2022 238 0.0308 0.0219
Jan 2023 239 0.0042 0.0429
Feb 2023 236 -0.0107 0.0893
Mar 2023 235 -0.0032 0.0459
Apr 2023 233 -0.0086 0.0502
May 2023 230 -0.0144 -0.0092
Jun 2023 227 -0.0144 -0.0803
Jul 2023 240 0.0606 0.0474
Aug 2023 232 -0.0332 0.0172
Sep 2023 253 0.0884 0.1087
Oct 2023 256 0.0127 0.1154
Nov 2023 253 -0.0127 0.097
Dec 2023 243 -0.0409 0.0207
Jan 2024 246 0.0145 0.0312
Feb 2024 259 0.0537 0.0983
Mar 2024 243 -0.0619 0.0337
Apr 2024 258 0.061 0.1062
May 2024 265 0.0266 0.1522
Jun 2024 244 -0.0804 0.0751
Jul 2024 260 0.0655 0.0801
Aug 2024 261 0.0048 0.1225
Sep 2024 252 -0.0344 -0.0042
Oct 2024 263 0.0431 0.0257
Nov 2024 257 -0.0234 0.0146
Dec 2024 267 0.0407 0.1009
Jan 2025 274 0.0258 0.1132
Feb 2025 279 0.0191 0.0766
Mar 2025 279 0.0011 0.1489
Apr 2025 280 0.0018 0.0848
May 2025 256 -0.0863 -0.0346
Jun 2025 250 -0.023 0.0256
Jul 2025 252 0.0097 -0.0281
Aug 2025 254 0.0058 -0.0271
Sep 2025 251 -0.0108 -0.0033
Oct 2025 250 -0.0038 -0.0481
Nov 2025 244 -0.0234 -0.048
Dec 2025 244 -0.0021 -0.0872
Jan 2026 266 0.0907 -0.0295
Feb 2026 267 0.0035 -0.0444
Mar 2026 269 0.0086 -0.0372