Zip Code: 99128 (Farmington, WA) - Trend of Average House Listing Price (Realtor)
Updated on March 13, 2026.

According to data from Realtor.com, the average house listing price for the 99128 Zip Code in February 2026 was $495,000. The month over month percentage change (MoM) was 0.0%, and the year over year percentage change (YoY) was 0.3026%.

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

The chart below shows the trend of the average house listing price in the 99128 zip code. The table below shows the trend of the average house listing price, and the MoM and YoY percentage changes.

Data Source: Realtor.
Zip Code: 99128 - Trend of Average House Listing Price ($)
Zip Code: 99128 Trend of Average House Listing Price
Items per page:
1 – 10 of 92
Month Price ($) MoM Perc. Change (%) YoY Perc. Change (%)
Aug 2016 237980
Sep 2016 232980
Oct 2016 232980
Nov 2016 229960
Dec 2016 249968
Jan 2017 72400
Feb 2017 72400
Mar 2017 74900
Apr 2017 74900
Jul 2017 335000
Aug 2017 139900 -0.5824 -0.4121
Sep 2017 0
Oct 2017 335000 0.4379
Nov 2017 335000 0.0 0.4568
Nov 2018 128000 -0.6179
Dec 2018 128000 0.0
Jul 2019 272000
Aug 2019 272000 0.0
Sep 2019 270091 -0.007
Oct 2019 267227 -0.0106
Nov 2019 265000 -0.0083 1.0703
Dec 2019 245000 -0.0755 0.9141
May 2020 365500
Jun 2020 364000 -0.0041
Jul 2020 271750 -0.2534 -0.0009
Sep 2020 179500 -0.3354
Oct 2020 329900 0.8379 0.2345
Nov 2020 329900 0.0 0.2449
Dec 2020 324900 -0.0152 0.3261
Jan 2021 289950 -0.1076
Feb 2021 289950 0.0
Mar 2021 379963 0.3104
Apr 2021 469975 0.2369
May 2021 479975 0.0213 0.3132
Jun 2021 417667 -0.1298 0.1474
Jul 2021 430667 0.0311 0.5848
Aug 2021 372250 -0.1356
Sep 2021 374950 0.0073 1.0889
Oct 2021 595000 0.5869 0.8036
Nov 2021 200000 -0.6639 -0.3938
Dec 2021 275000 0.375 -0.1536
Jan 2022 287500 0.0455 -0.0084
Feb 2022 331500 0.153 0.1433
Mar 2022 383125 0.1557 0.0083
Apr 2022 272250 -0.2894 -0.4207
May 2022 287500 0.056 -0.401
Jun 2022 440000 0.5304 0.0535
Jul 2022 399900 -0.0911 -0.0714
Aug 2022 135000 -0.6624 -0.6373
Sep 2022 120000 -0.1111 -0.68
Oct 2022 120000 0.0 -0.7983
Nov 2022 223322 0.861 0.1166
Dec 2022 275000 0.2314 0.0
Jan 2023 275000 0.0 -0.0435
Feb 2023 337500 0.2273 0.0181
Mar 2023 377500 0.1185 -0.0147
Apr 2023 441250 0.1689 0.6208
May 2023 417500 -0.0538 0.4522
Jun 2023 510000 0.2216 0.1591
Jul 2023 518333 0.0163 0.2962
Aug 2023 542000 0.0457 3.0148
Sep 2023 505000 -0.0683 3.2083
Oct 2023 490000 -0.0297 3.0833
Nov 2023 490000 0.0 1.1941
Dec 2023 490000 0.0 0.7818
Jan 2024 545000 0.1122 0.9818
Feb 2024 525000 -0.0367 0.5556
Mar 2024 525000 0.0 0.3907
Apr 2024 525000 0.0 0.1898
May 2024 429975 -0.181 0.0299
Jun 2024 429975 0.0 -0.1569
Jul 2024 387580 -0.0986 -0.2523
Aug 2024 391300 0.0096 -0.278
Sep 2024 469100 0.1988 -0.0711
Oct 2024 437333 -0.0677 -0.1075
Nov 2024 433029 -0.0098 -0.1163
Dec 2024 399667 -0.077 -0.1844
Jan 2025 341667 -0.1451 -0.3731
Feb 2025 380000 0.1122 -0.2762
Mar 2025 380000 0.0 -0.2762
Apr 2025 358333 -0.057 -0.3175
May 2025 315000 -0.1209 -0.2674
Jun 2025 315000 0.0 -0.2674
Jul 2025 395000 0.254 0.0191
Aug 2025 395000 0.0 0.0095
Sep 2025 395000 0.0 -0.158
Oct 2025 370000 -0.0633 -0.154
Nov 2025 495000 0.3378 0.1431
Dec 2025 495000 0.0 0.2385
Jan 2026 430000 -0.1313 0.2585
Feb 2026 495000 0.1512 0.3026
Mar 2026 495000 0.0 0.3026