September Market Update: Boston

red and white Nantucket boat

Key takeaways for the month

September data shows that the Boston market has slowed down despite year-over-year growth. While there are more listings and properties pending overall, the competition per home is decreasing. 

  • The number of condos listed in the metro area jumped significantly (from 70 to 108), as did the number pending. Median days on market also rose, showing that buyers aren’t competing for the new inventory. This softening of competition is also reflected in the sale-to-list price ratio slightly decreasing. 
  • Aside from condos in the metro area, the number of listings across the board seems to be normalizing for the year-over-year trend. 
  • In the suburbs, single family home sales prices are down compared to August but still significantly up year over year, indicating some competition.

Charts updated 10/7/2020.

Competition snapshot

Our Research Team looked into sales in the hottest zip codes in a select area for a snapshot of local competition.

Sale Price

Based on date the property sold.

List Price

Based on date the property was listed.

Sale Price Compared to List Price

Based on date the property sold.

Days on Market

Based on the number of days between the list date and the date the property went pending, except when sold date is earlier than pending (then based on date sold).

Number of Properties Listed

Based on date the property was listed.

Number of Properties Pending Sale

Based on the date the property went pending, except when sold date is earlier than pending (then based on date sold).

Number of Properties Sold

Based on date the property sold.


Metropolitan Boston data is for the city of Boston excluding 02119,02121,02124,02130,02126,02131,02136,02132; Cambridge; and Somerville.

Boston Suburbs data is for Malden, Medford, Quincy, Weymouth, Watertown, Brookline, Newton, Lexington, Winchester, Belmont, and Arlington.


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