Union Wharf
343 Commercial St, Boston, MA 02109
About this page — BMN Boston Real Estate is an independent real estate brokerage. We compile public MLS listing and sales data for Union Wharf. We are not the management company, leasing office, or HOA for this building. For management, rental, or maintenance inquiries, please contact Union Wharf directly.
About Union Wharf
Union Wharf is a residential building built in 1855, located at 343 Commercial St in Boston, MA 02109. The building features studio to 4-bedroom residences ranging from 1,013 to 4,000 square feet , with prices from $1.4M to $5.2M . There is currently 1 unit available for sale. 6 units have sold in the last two years at an average price of $3.0M .
Monthly HOA fees at Union Wharf range from $800 to $2,640 per month and commonly include Water, Sewer, Insurance .
Last updated: 2026-05-22
Unit Types at Union Wharf
| Unit Type | Beds | Baths | Sq Ft | Price Range | Available |
|---|---|---|---|---|---|
| Studio | Studio | 1 | 1,042 sqft | $790K | None listed |
| 1 Bedroom | 1 | 2 | 1,013 sqft | $727K | None listed |
| 1 Bedroom | 1 | 3 | 1,363 sqft | $1.9M | None listed |
| 2 Bedroom | 2 | 1 | 1,235 sqft | $1.1M | 1 for sale |
| 2 Bedroom | 2 | 2 | 1,042 - 2,547 sqft | $1.1M - $3.7M | 1 for sale |
| 2 Bedroom | 2 | 3 | 1,363 - 2,290 sqft | $1.5M - $4.3M | 1 for sale |
| 2 Bedroom | 2 | 4 | 2,303 - 2,315 sqft | $3.5M - $6.3M | 1 for sale |
| 3 Bedroom | 3 | 2 | 1,790 - 2,313 sqft | $2.0M - $3.5M | None listed |
| 3 Bedroom | 3 | 3 | 1,366 - 2,552 sqft | $767K - $5.0M | None listed |
| 3 Bedroom | 3 | 4 | 2,700 sqft | $3.8M | None listed |
| 4 Bedroom | 4 | 3 | 2,292 - 2,303 sqft | $5.2M - $5.5M | None listed |
| 4 Bedroom | 4 | 4 | 3,911 - 4,000 sqft | $3.8M - $4.1M | None listed |
1 Unit For Sale at Union Wharf
Recently Sold at Union Wharf
| Address | Beds/Baths | Sq Ft | List Price | Sold Price | Change | Sold Date |
|---|---|---|---|---|---|---|
| 343 Commercial St # 212, Boston MA 02109 | 2bd / 2ba | 1,754 | $2.4M | $2.3M | -5% | Dec 22, 2025 |
| 343 Commercial St # 104, Boston MA 02109 | 2bd / 2ba | 1,082 | $1.4M | $1.4M | -1.8% | Aug 14, 2025 |
| 8 Union Wharf # 8, Boston MA 02109 | 4bd / 2.5ba | 2,303 | $5.9M | $5.2M | -12% | Jul 15, 2025 |
| 343 Commercial St # 114, Boston MA 02109 | 4bd / 3.5ba | 3,911 | $4.0M | $3.8M | -6.1% | Jun 3, 2025 |
| 343 Commercial St # 602, Boston MA 02109 | 2bd / 2ba | 2,547 | $3.5M | $3.3M | -7% | Oct 15, 2024 |
| 343 Commercial St # 305, Boston MA 02109 | 2bd / 2ba | 1,394 | $1.9M | $1.9M | +0% | May 31, 2024 |
Location
Frequently Asked Questions About Union Wharf
Is BMN Boston Real Estate the management company or leasing office for Union Wharf?
No. BMN Boston Real Estate is an independent real estate brokerage. We compile public MLS listing and recent-sales data for Union Wharf 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 Union Wharf directly.
How many units are for sale at Union Wharf?
There are currently 1 condos for sale at Union Wharf in Boston, MA. Prices range from $1.6M.
What is the price range at Union Wharf?
Prices at Union Wharf range from $1.4M to $5.2M based on recent listings and sales. Prices vary by unit size, floor, and finishes.
What are the unit sizes at Union Wharf?
Units at Union Wharf range from 1,013 to 4,000 square feet, with 0 to 4 bedroom configurations.
How much do condos sell for at Union Wharf?
6 units have sold at Union Wharf in the last two years at an average price of $3.0M. The average time on market was 123 days.
When was Union Wharf built?
Union Wharf was built in 1855 and is located at 343 Commercial St in Boston, MA 02109.
What are the HOA fees at Union Wharf?
Monthly HOA fees at Union Wharf $800 to $2,640 per month. Based on 9 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 Union Wharf?
BMN Boston Real Estate is a real estate brokerage that tracks every MLS listing at Union Wharf. 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 "Union Wharf Boston management" — we are not affiliated with the building's management.