The median price of a condominium in Greater Boston declined in September 2025, the fourth consecutive month of year-over-year declines, according to data compiled by The Warren Group.
The median condo price in September decreased by more than 3 percent to $580,000 from $600,000 in September 2024. The Warren Group, a publisher of real estate and mortgage data, defines Greater Boston as the 139 cities and towns located within Interstate 495.
On a year-over-year basis, the median condominium price declined 3 percent in June, nearly 4 percent in July, and about 3 percent in August. Prices were flat in May.
From January through September, the median condo price fell 1 percent to $620,000, from $625,000 during the first nine months of 2024.
Statewide, the median condominium price dipped 2 percent to $503,450 in September 2025. In September 2024, the median condo price stood at $515,000.
During the first nine months of the year, Massachusetts condo prices were flat, dipping only $230 to $540,000 from $540,230 during the same period in 2024.
About 30 percent of condominiums listed in the City of Boston between January 1, 2025, and September 30, 2025, had price drops, according to data compiled by MLS Property Information Network, Inc., the local multiple listing service. During the same period in 2024, the percentage of properties with price drops was about 26 percent. During those nine months in 2023, only about 23 percent of condos in Boston saw price drops.
Condo Sales Up in September
With prices moderating over the summer, home buyers drove a more than 8 percent increase in condominium sales, buying 1,105 units in September 2025, up from 1,019 in September 2024.
Through September, condo sales rose about 3 percent to 10,708 from 10,366 during the same timeframe in 2024.
Condominium sales rose statewide in September to 1,610 units, jumping 9 percent from 1,478 in September 2024. Through September, sales increased 4 percent compared to the previous year.
Greater Boston and Massachusetts House Sales Rise
Greater Boston single-family home sales rose 3 percent in September to 1,721 from 1,670, according to The Warren Group. Through September, home buyers purchased 15,684 houses, a 3 percent increase from 15,237 during the same nine-month period last year.
Throughout Massachusetts, single-family home sales increased 8 percent to 3,769 in September from 3,489 in September 2024. From January through September, sales increased by 3 percent compared to the same timeframe in 2024.
Single-family Home Prices Continue to Rise
Greater Boston home prices increased in September, rising more than 5 percent to $769,000 from $730,000 in September 2024. Through September, the median price reached $803,413, up about 4 percent from $770,000 during the first nine months of 2024.
Statewide, single-family home prices rose 4 percent in September to $625,000 and 3 percent from January through September to $640,000.
