One First

17 Otis, Cambridge, MA 02141

4 for sale 4 recently sold $1.0M - $1.2M

Independent brokerage page. BMN Boston Real Estate compiles public MLS listing and sales data for One First; it is not the building's management company, leasing office, or HOA. Contact One First directly for management, rental, or maintenance questions.

About One First

One First is a residential building built in 1898, located at 17 Otis 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 $1.3M . There are currently 4 units available for sale. 4 units have sold in the last two years at an average price of $1.1M .

Monthly HOA fees at One First range from $775 to $1,041 per month and commonly include Water, Sewer, Insurance . Parking is typically under, deeded, off street, averaging 1.0 space per unit.

Year Built 1898
Units Tracked 8
For Sale 4
Avg Days on Market 83
Monthly HOA $775–$1,041
Avg Parking Spaces 1.0

Last updated: 2026-08-21

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 4 for sale
2 Bedroom 2 3 1,453 - 1,800 sqft $1.1M - $1.4M 4 for sale
3 Bedroom 3 3 1,874 sqft $2.2M None listed

Recently Sold at One First

Average sold price: $1.1M Average days on market: 83 4 sales in the last 2 years
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 2, 2025
28 2nd St # 28, Cambridge MA 02141 2bd / 2.5ba 1,496 $1.3M $1.2M -4.6% Oct 13, 2025
17 Otis # 410, Cambridge MA 02141 1bd / 1.5ba 940 $889K $869K -2.3% Jun 5, 2025
26 Second Street # 26, Cambridge MA 02141 2bd / 2.5ba 1,534 $1.4M $1.3M -5.9% Aug 21, 2024

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 4 condos for sale at One First in Cambridge, MA. Prices range from $1.0M - $1.2M.

What is the price range at One First?

Prices at One First range from $869K to $1.3M 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?

4 units have sold at One First in the last two years at an average price of $1.1M. The average time on market was 83 days.

When was One First built?

One First was built in 1898 and is located at 17 Otis in Cambridge, MA 02141.

What are the HOA fees at One First?

Monthly HOA fees at One First $775 to $1,041 per month. Based on 8 listings with HOA data on file. Fees commonly include Water, Sewer, Insurance. Actual fees vary by unit; confirm with the listing agent.

Is parking available at One First?

Parking at One First is typically described as under, deeded, off street. On average, listings include 1.0 parking space. Specific arrangements (deeded, assigned, garage vs. surface) vary by unit.

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.