Bay Square
950 Massachusetts Avenue, Cambridge, MA 02139
About this page — BMN Boston Real Estate is an independent real estate brokerage. We compile public MLS listing and sales data for Bay Square. We are not the management company, leasing office, or HOA for this building. For management, rental, or maintenance inquiries, please contact Bay Square directly.
About Bay Square
Bay Square is a residential building built in 1989, located at 950 Massachusetts Avenue in Cambridge, MA 02139. The building features 1 to 2-bedroom residences ranging from 586 to 1,306 square feet , with prices from $669K to $1.6M . There is currently 1 unit available for sale. 7 units have sold in the last two years at an average price of $891K .
Monthly HOA fees at Bay Square range from $699 to $2,066 per month and commonly include Water, Sewer, Insurance .
Last updated: 2026-05-22
Unit Types at Bay Square
| Unit Type | Beds | Baths | Sq Ft | Price Range | Available |
|---|---|---|---|---|---|
| 1 Bedroom | 1 | 1 | 586 - 674 sqft | $515K - $700K | None listed |
| 2 Bedroom | 2 | 1 | 851 sqft | $696K | 1 for sale |
| 2 Bedroom | 2 | 2 | 853 - 1,306 sqft | $746K - $1.6M | 1 for sale |
1 Unit For Sale at Bay Square
Recently Sold at Bay Square
| Address | Beds/Baths | Sq Ft | List Price | Sold Price | Change | Sold Date |
|---|---|---|---|---|---|---|
| 950 Massachusetts Ave # 504, Cambridge MA 02139 | 2bd / 2ba | 941 | $950K | $890K | -6.3% | May 15, 2026 |
| 950 Massachusetts Ave # 417, Cambridge MA 02139 | 2bd / 1.5ba | 861 | $795K | $750K | -5.7% | Dec 23, 2025 |
| 950 Massachusetts Ave. # 106, Cambridge MA 02139 | 2bd / 2ba | 875 | $894K | $746K | -16.6% | Nov 14, 2025 |
| 950 Massachusetts Ave # 412, Cambridge MA 02139 | 2bd / 2ba | 1,033 | $1.3M | $1.2M | -4% | Jun 3, 2025 |
| 950 Massachusetts Ave # 405, Cambridge MA 02139 | 2bd / 2ba | 923 | $970K | $970K | +0% | Nov 25, 2024 |
| 950 Mass Ave # 402, Cambridge MA 02138 | 1bd / 1ba | 674 | $680K | $669K | -1.6% | Sep 5, 2024 |
| 950 Massachusetts Ave # 217, Cambridge MA 02138 | 2bd / 2ba | 861 | $949K | $1.0M | +7% | May 31, 2024 |
Location
Frequently Asked Questions About Bay Square
Is BMN Boston Real Estate the management company or leasing office for Bay Square?
No. BMN Boston Real Estate is an independent real estate brokerage. We compile public MLS listing and recent-sales data for Bay Square 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 Bay Square directly.
How many units are for sale at Bay Square?
There are currently 1 condos for sale at Bay Square in Cambridge, MA. Prices range from $1.6M.
What is the price range at Bay Square?
Prices at Bay Square range from $669K to $1.6M based on recent listings and sales. Prices vary by unit size, floor, and finishes.
What are the unit sizes at Bay Square?
Units at Bay Square range from 586 to 1,306 square feet, with 1 to 2 bedroom configurations.
How much do condos sell for at Bay Square?
7 units have sold at Bay Square in the last two years at an average price of $891K. The average time on market was 105 days.
When was Bay Square built?
Bay Square was built in 1989 and is located at 950 Massachusetts Avenue in Cambridge, MA 02139.
What are the HOA fees at Bay Square?
Monthly HOA fees at Bay Square $699 to $2,066 per month. Based on 11 listings 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 Bay Square?
BMN Boston Real Estate is a real estate brokerage that tracks every MLS listing at Bay Square. 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 "Bay Square Cambridge management" — we are not affiliated with the building's management.