Three bed, fresh paint, spacious kitchen. laundry. Great location steps to MIT and Kendall T. Apartment Hub is an established rental office in Porter Square, Cambridge. We have been renting apartments in Cambridge & Somerville for over twenty years and we represent hundreds of independent property owners as well as all of the major property managers and apartment buildings in the area. At any time we have 400 or more apartments for rent. We work very hard to maintain the most comprehensive and up-to-date listings.

RentalSource last checked: July 14, 2025 at 3:59 PM ET

Listed by: Leasing Agent

Property Summary

Property Type:	Apartment
Rental Fee:	$4,650
Bedrooms:	3 beds
Bathrooms:	2 baths

Size:	Inquire
Pet Friendly:	Inquire
Listing Status:	Active
ID:	81330907

Community Features

• Laundry Facilities

Leasing Information

Photos are an example of similar units within the building, actual unit may vary. Availability and pricing can change daily and vary by lease term. Please contact us to schedule a showing.

Additional Details

Apartment for rent in Cambridge for $4,650 with 3 beds, 2 baths and located at 31 Portsmouth St in Cambridge, MA 02139. The rental price of $4,650 is 0.5% ($25) higher than the average rent of $4,625 for a 3 bedroom apartment in Cambridge, MA and 11.6% ($482) higher than the average rent of $4,168 for a 3 bedroom apartment in Middlesex County. 31 Portsmouth St was advertised on April 21, 2025 at 10:01 AM ET and last updated on July 14, 2025 at 3:59 PM ET.

Affordability Calculator

Can I afford to live at 31 Portsmouth St?

Bedrooms

3 bedrooms

Rent-to-income ratio

30%

10% Recommended 50%

Move the slider to select the percentage of your monthly income you're comfortable spending on rent. Typically, it's advised to spend about 30% or less on housing.

Recommended income

$186,000 /year

With your chosen rent-to-income ratio, an annual income of $186,000 is recommended to comfortably afford this 3-bedroom rental priced at $4,650 per month.

For more information on rent affordability, visit our rent calculator or rent vs. buy calculator.

Apartment for rent

$4,650

Rent Affordability Calculator

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