Skip main navigation
  • Twenty20

    20 Child St, Cambridge, MA 02141

    Apartment building
    Studio-2 beds
    Pet-friendly
    Covered parking
    In-unit dryer

    What’s available

    Price may not include required fees and charges.
    Studio, 1 ba
    $3,165-3,858
    423 sqft

    5 units available Sep 7-Sep 23

    Price: $3,165Available: Available Sep 23 2025Unit: Unit 806
    Price: $3,195Available: Available Sep 9 2025Unit: Unit 606
    Price: $3,195Available: Available Sep 22 2025Unit: Unit 920
    Price: $3,436Available: Available Sep 11 2025Unit: Unit 302
    Price: $3,858Available: Available Sep 7 2025Unit: Unit 318
    1 Photo
    Studio, 1 ba
    $3,512
    559 sqft

    1 unit available Sep 21

    1 Photo
    Studio, 1 ba
    $3,535
    564 sqft

    1 unit available Aug 12

    1 Photo
    1 bd, 1 ba
    $3,540-4,447
    726 sqft

    5 units avail. now | 4 avail. Aug 8-Sep 7

    Price: $3,540Available: Available NowUnit: Unit 1611
    Price: $3,590Available: Available NowUnit: Unit 811
    Price: $3,628Available: Available Sep 7 2025Unit: Unit 711
    Price: $3,791Available: Available Sep 1 2025Unit: Unit 1412
    Price: $3,794Available: Available Aug 28 2025Unit: Unit 1411
    Price: $3,943Available: Available NowUnit: Unit Penthouse 04
    Price: $4,079Available: Available Aug 8 2025Unit: Unit 1517
    Price: $4,313Available: Available NowUnit: Unit 2003
    Price: $4,447Available: Available NowUnit: Unit Penthouse 05
    1 Photo
    2 bd, 2 ba
    $4,649-5,215
    1,062 sqft

    3 units avail. now | 1 avail. Aug 8

    Price: $4,649Available: Available NowUnit: Unit 708
    Price: $4,955Available: Available Aug 8 2025Unit: Unit 808
    Price: $5,072Available: Available NowUnit: Unit 1108
    Price: $5,215Available: Available NowUnit: Unit 1808
    1 Photo
    2 bd, 2 ba
    $4,706-5,049
    1,017 sqft

    3 units available Aug 12-Sep 19

    Price: $4,706Available: Available Sep 19 2025Unit: Unit 1718
    Price: $5,040Available: Available Aug 12 2025Unit: Unit 1819
    Price: $5,049Available: Available Sep 7 2025Unit: Unit 1919
    1 Photo
    2 bd, 2 ba
    $5,208-5,582
    1,204 sqft

    1 unit avail. now | 1 avail. Oct 4

    Price: $5,208Available: Available Oct 4 2025Unit: Unit 1809
    Price: $5,582Available: Available NowUnit: Unit Penthouse 09
    1 Photo

    What's special

    Clubhouse
    Get the party started
    This building features a clubhouse. Only 13% of buildings in Cambridge have this amenity.
    Rooftop terracePub roomOversized floor-to-ceiling windowsSilver quartz countertopsFitness centerIndoor sport courtBosch washers and dryers
    Twenty|20 is a luxury apartment community located in East Cambridge, Massachusetts. Twenty|20 embodies the inventive spirit of Cambridge, with a strong mix of culture and diversity cultivated in the up and coming East Cambridge neighborhood. Hop on the T for a quick trip to Boston's North End, or walk to local hang outs.Commute to work with ease with amazing proximity to MBTA Green & Orange lines. Enjoy a relaxing evening in our very own pub room or billiards lounge. Take in a panoramic view of our beloved city from our very own rooftop terrace on our 20th floor. Between the location and amenities, Twenty|20 provides the captivating lifestyle that you've been looking for. Twenty|20 also boasts a 3,000 square foot fitness center, indoor sport court, and a 355 space bicycle parking garage. We haven't forgot about your pets either with our very own Dog Spa and Pet Grooming room, so that all of our residents are cared for, even the four-legged ones!We offer everything from luxurious Studios to sprawling One, Two, and Three-bedroom apartment homes. All of our units are adorned with silver quartz countertops, stainless steel energy saver appliances, Bosch washers & dryers, and let us not forget the oversized floor-to-ceiling windows to allow the most maximum view of this city we love, as well as full natural light. The price shown reflects Base Rent only. Residents are responsible for additional required fees, including but not limited to an application fee, security deposit, community amenity fee, and utility charges. These fees are assessed per applicant or per unit as applicable and may vary based on usage or lease terms. Please consult a leasing agent for a comprehensive list of all required, optional, and situational fees.

    Office hours

    DayOpen hours
    Mon:9 am - 6 pm
    Tue:9 am - 6 pm
    Wed:11 am - 6 pm
    Thu:9 am - 6 pm
    Fri:8 am - 5 pm
    Sat:10 am - 5 pm
    Sun:Closed

    Property map

    Tap on any highlighted unit to view details on availability and pricing

    Use ctrl + scroll to zoom the map

    Facts, features & policies

    Building Amenities

    Accessibility
    • Disabled Access: WheelChair
    Community Rooms
    • Business Center
    • Club House
    • Conference Room
    • Fitness Center
    • Library
    • Recreation Room: RecRoom
    Fitness & sports
    • Basketball Court
    Other
    • In Unit: Dryer
    • Shared: Laundry
    Outdoor common areas
    • Sundeck
    • Trail: JoggingWalkingTrails
    Security
    • Controlled Access
    Services & facilities
    • Elevator
    • Guest Suite: GuestRoom
    • On-Site Maintenance: OnSiteMaintenance
    • On-Site Management: OnSiteManagement
    • Package Service: PackageReceiving
    • Spanish Speaking Staff
    • Storage Space
    View description
    • Partial Harbor View
    • Partial River View

    Unit Features

    Appliances
    • Dishwasher
    • Dryer
    • Garbage Disposal: Disposal
    • Microwave Oven: Microwave
    • Range
    • Refrigerator
    • Washer
    Cooling
    • Air Conditioning: AirConditioner
    Flooring
    • Carpet
    • Hardwood: HardwoodFlooring
    • Tile: TileFlooring
    Internet/Satellite
    • Cable TV Ready: Cable
    Other
    • Balcony
    • Boutique Bathroom W/ Unique Finishes
    • Double Sink Vanity
    • Handrails
    • Individual Climate Control
    • Large Closets
    • Pantry
    • Patio Balcony: Balcony
    • Private Balcony
    • Private Bedroom
    • Upgraded Studio

    Policies

    Lease terms
    • Less than 1 year
    Pets
    Dogs
    • Allowed
    • 2 pet max
    • $75 monthly pet fee
    • Pet care available
    • Restrictions: Breed Restrictions Apply. Contact the Leasing Office for more information.
    Cats
    • Allowed
    • 2 pet max
    • $40 monthly pet fee
    • Pet care available
    Parking
    • covered: CoverPark
    • Garage
    Smoking
    • This is a smoke free building

    Special Features

    • Availability 24 Hours
    • Concierge
    • Grocery Service
    • Recycling
    • Transportation
    • Wireless Internet

    Neighborhood: East Cambridge

    Areas of interest

    Use our interactive map to explore the neighborhood and see how it matches your interests.

    Travel times

    Walk, Transit & Bike Scores

    83 / 100
    Very Walkable
    90 / 100
    Rider's Paradise
    96 / 100
    Biker's Paradise

    Nearby schools in Cambridge

    GreatSchools rating

    Market Trends

    Rental market summary

    The average rent for all beds and all property types in Cambridge, MA is $3,550.

    Average rent

    $3,550

    Month-over-month

    -$75

    Year-over-year

    +$25

    Available rentals

    2,466

    Cambridge, MA Rental Market Data

    Frequently asked questions

    What is the walk score of Twenty20?

    Twenty20 has a walk score of 83, it's very walkable.

    What is the transit score of Twenty20?

    Twenty20 has a transit score of 90, it's a rider's paradise.

    What schools are assigned to Twenty20?

    The schools assigned to Twenty20 include Kennedy-Longfellow School, Vassal Lane Upper School, and Cambridge Rindge and Latin School.

    Does Twenty20 have in-unit laundry?

    Yes, Twenty20 has in-unit laundry for some or all of the units. Twenty20 also has shared building laundry.

    What neighborhood is Twenty20 in?

    Twenty20 is in the East Cambridge neighborhood in Cambridge, MA.

    What are Twenty20's policies on pets?

    A maximum of 2 dogs are allowed per unit. This building has monthly fee of $75 for dogs. This building has pet care available for dogs. A maximum of 2 cats are allowed per unit. This building has monthly fee of $40 for cats. This building has pet care available for cats.

    Does Twenty20 have virtual tours available?

    Yes, 3D and virtual tours are available for Twenty20.

    Building Photo
    3D Tour
    Twenty|20
    Explore 3D tour
    Building Photo
    3D Tour
    Tour 1
    Explore 3D tour