Six9one
691 Massachusetts Avenue, Boston, MA 02118
About this page — BMN Boston Real Estate is an independent real estate brokerage. We compile public MLS listing and sales data for Six9one. We are not the management company, leasing office, or HOA for this building. For management, rental, or maintenance inquiries, please contact Six9one directly.
About Six9one
Six9one is a residential building built in 2011, located at 691 Massachusetts Avenue in Boston, MA 02118. The building features 1 to 2-bedroom residences ranging from 583 to 902 square feet , with prices from $685K to $685K . There is currently 1 unit available for sale.
Monthly HOA fees at Six9one are typically $631 per month and commonly include Water, Sewer, Insurance .
Last updated: 2026-05-22
Unit Types at Six9one
| Unit Type | Beds | Baths | Sq Ft | Price Range | Available |
|---|---|---|---|---|---|
| 1 Bedroom | 1 | 1 | 583 - 645 sqft | $531K - $610K | None listed |
| 2 Bedroom | 2 | 1 | 902 sqft | $685K | 1 for sale |
1 Unit For Sale at Six9one
Location
Frequently Asked Questions About Six9one
Is BMN Boston Real Estate the management company or leasing office for Six9one?
No. BMN Boston Real Estate is an independent real estate brokerage. We compile public MLS listing and recent-sales data for Six9one to help buyers and sellers make informed decisions. We do not manage the building, lease units on behalf of the owner, or handle HOA matters. For management, leasing, or maintenance inquiries, please contact Six9one directly.
How many units are for sale at Six9one?
There are currently 1 condos for sale at Six9one in Boston, MA. Prices range from $685K.
What is the price range at Six9one?
Prices at Six9one range from $685K to $685K based on recent listings and sales. Prices vary by unit size, floor, and finishes.
What are the unit sizes at Six9one?
Units at Six9one range from 583 to 902 square feet, with 1 to 2 bedroom configurations.
When was Six9one built?
Six9one was built in 2011 and is located at 691 Massachusetts Avenue in Boston, MA 02118.
What are the HOA fees at Six9one?
Monthly HOA fees at Six9one $631 per month. Based on one listing with HOA data on file. Fees commonly include Water, Sewer, Insurance. Actual fees vary by unit; confirm with the listing agent.
Looking to Buy or Tour at Six9one?
BMN Boston Real Estate is a real estate brokerage that tracks every MLS listing at Six9one. Schedule a tour, ask about a specific unit, or get instant alerts when new listings hit the market — download the app or browse all listings below.
Trying to reach the building's management or leasing office? Search "Six9one Boston management" — we are not affiliated with the building's management.