One First
17 Otis St, Cambridge, MA 02141
About this page — BMN Boston Real Estate is an independent real estate brokerage. We compile public MLS listing and sales data for One First. We are not the management company, leasing office, or HOA for this building. For management, rental, or maintenance inquiries, please contact One First directly.
About One First
One First is a residential building built in 1898, located at 17 Otis St in Cambridge, MA 02141. The building features 1 to 3-bedroom residences ranging from 644 to 1,874 square feet , with prices from $869K to $2.2M . There is currently 1 unit available for sale. 9 units have sold in the last two years at an average price of $1.2M .
Monthly HOA fees at One First range from $730 to $2,181 per month and commonly include Water, Sewer, Insurance .
Last updated: 2026-05-22
Unit Types at One First
| Unit Type | Beds | Baths | Sq Ft | Price Range | Available |
|---|---|---|---|---|---|
| 1 Bedroom | 1 | 1 | 644 - 758 sqft | $575K - $815K | None listed |
| 1 Bedroom | 1 | 2 | 842 - 1,024 sqft | $720K - $869K | None listed |
| 2 Bedroom | 2 | 2 | 939 - 1,225 sqft | $775K - $1.4M | 1 for sale |
| 2 Bedroom | 2 | 3 | 1,453 - 1,800 sqft | $1.1M - $1.4M | 1 for sale |
| 3 Bedroom | 3 | 3 | 1,874 sqft | $2.2M | None listed |
1 Unit For Sale at One First
Recently Sold at One First
| Address | Beds/Baths | Sq Ft | List Price | Sold Price | Change | Sold Date |
|---|---|---|---|---|---|---|
| 29 Otis St # 409, Cambridge MA 02141 | 2bd / 2ba | 1,109 | $1.2M | $1.2M | +0% | Dec 3, 2025 |
| 28 2nd St # 28, Cambridge MA 02141 | 2bd / 2.5ba | 1,496 | $1.3M | $1.2M | -4.6% | Oct 14, 2025 |
| 17 Otis # 410, Cambridge MA 02141 | 1bd / 1.5ba | 940 | $889K | $869K | -2.3% | Jun 6, 2025 |
| 26 Second Street # 26, Cambridge MA 02141 | 2bd / 2.5ba | 1,534 | $1.4M | $1.3M | -5.9% | Aug 22, 2024 |
| 21 Otis # 501, Cambridge MA 02141 | 3bd / 2.5ba | 1,874 | $2.2M | $2.2M | -2.2% | Aug 16, 2024 |
| 17 Otis # 707, Cambridge MA 02141 | 2bd / 2ba | 1,003 | $1.1M | $1.1M | +2.3% | Jul 30, 2024 |
| 20 Second Street # 525, Cambridge MA 02141 | 2bd / 2ba | 1,206 | $1.3M | $1.3M | +2.4% | Jul 10, 2024 |
| 29 Otis # 106, Cambridge MA 02141 | 2bd / 2ba | 1,056 | $1.1M | $1.1M | +0% | Jul 10, 2024 |
| 150 Cambridge St # 211, Cambridge MA 02141 | 2bd / 2ba | 969 | $975K | $980K | +0.5% | Jun 28, 2024 |
Location
Frequently Asked Questions About One First
Is BMN Boston Real Estate the management company or leasing office for One First?
No. BMN Boston Real Estate is an independent real estate brokerage. We compile public MLS listing and recent-sales data for One First 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 One First directly.
How many units are for sale at One First?
There are currently 1 condos for sale at One First in Cambridge, MA. Prices range from $1.2M.
What is the price range at One First?
Prices at One First range from $869K to $2.2M based on recent listings and sales. Prices vary by unit size, floor, and finishes.
What are the unit sizes at One First?
Units at One First range from 644 to 1,874 square feet, with 1 to 3 bedroom configurations.
How much do condos sell for at One First?
9 units have sold at One First in the last two years at an average price of $1.2M. The average time on market was 65 days.
When was One First built?
One First was built in 1898 and is located at 17 Otis St in Cambridge, MA 02141.
What are the HOA fees at One First?
Monthly HOA fees at One First $730 to $2,181 per month. Based on 10 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 One First?
BMN Boston Real Estate is a real estate brokerage that tracks every MLS listing at One First. 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 "One First Cambridge management" — we are not affiliated with the building's management.