Flats on First
21 Charles St,
Cambridge,
MA
02141
-
Monthly Rent
$3,643 - $7,647
Plus Fees
-
Bedrooms
Studio - 3 bd
-
Bathrooms
1 - 2 ba
-
Square Feet
439 - 1,303 sq ft
Flats on First embodies the best of boutique living, combining the luxuries of a modern apartment community with the comforts of a close-knit neighborhood. Come home to a place of sophistication and serenity in East Cambridge.
Pricing & Floor Plans
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Unit 318Bprice $3,785square feet 767availibility Now
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Unit 303Cprice $3,643square feet 699availibility Oct 5
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Unit 213Bprice $4,543square feet 914availibility Nov 10
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Unit 305Cprice $5,353square feet 992availibility Now
-
Unit 318Bprice $3,785square feet 767availibility Now
-
Unit 303Cprice $3,643square feet 699availibility Oct 5
-
Unit 213Bprice $4,543square feet 914availibility Nov 10
-
Unit 305Cprice $5,353square feet 992availibility Now
Fees and Policies
The fees below are based on community-supplied data and may exclude additional fees and utilities.
- Utilities & Essentials
- Personal Liability InsuranceObtain independent policy or use recommended insurerVaries
- Monthly Electric/Gas FeeYou may be required to obtain applicable utilities independentlyVaries
- Monthly Sewer FeeMonthly Water FeeVaries
- Monthly Water FeeMonthly Water FeeVaries
- One-Time Basics
- Due at Move-In
- Security DepositOr up to 1 months rent based on application screening results$500
- Deposit500.00
- Unit Holding FeeAmount paid converted to credit at move-in required for market units onlyVaries
- Due at Move-In
- Garage RentalGarage Rent$175 / mo
- Automatic Renters Insurance (If coverage lapses)Personal liability renters insurance applied if previously obtained coverage lapses.$15 / mo
- Key Fob ReplacementKey Fob Replacement$5 / occurrence
- Move Out Fob FeeKey fob unreturned/lost at move-out.$50 / occurrence
- Lease Buy Out FeeLease Buy Out FeeVaries
- Legal/Eviction FeeLegal/Eviction FeeVaries
- Move Out Damage FeeFee for damages found at move-outVaries
- Personal Liability Renters InsuranceRecommended insurer if not submitting independent policy.$18.75 / mo
- NSF FeeReturned check or rejected electronic payment fee$50 / occurrence
- Additional Security DepositUp to 1 months rent based on application screening resultsVaries
- Court FeeLegal/Eviction FeeVaries
- Move Out Cleaning FeeUnit returned unclean at move-outVaries
- Month-to-Month FeeMonth-to-Month Fee$700 / occurrence
- Late FeeApplied to rent over 30 days past dueVaries
Details
Property Information
-
Built in 2021
-
136 units/5 stories
About Flats on First
Flats on First embodies the best of boutique living, combining the luxuries of a modern apartment community with the comforts of a close-knit neighborhood. Come home to a place of sophistication and serenity in East Cambridge.
Flats on First is an apartment community located in Middlesex County and the 02141 ZIP Code. This area is served by the Cambridge attendance zone.
Unique Features
- Game Room
- Outdoor Lounges With Fire Pits
- Pet Friendly
- Schlage Smart Locks
- Direct Access Entry*
- Community Kitchen And Dining
- Landscaped Courtyards With Outdoor Seating
- Luxury, Wood-Grained Vinyl Flooring
- Walk-In Closets*
- Balconies*
- Social Spaces With Complimentary Wifi
- Controlled Access Parking Garage
- Co-Working Spaces
- Full-Size, High Efficiency Washer/Dryer
- Stand-Up Showers*
- Bike Storage
- Gourmet Kitchens With Stainless Steel Appliances
- Groom Room
- Butterflymx Intercom System
- Grilling And Al Fresco Dining
- Open Air Amphitheater
- Open Floor Plans
- Roof Deck With City Views
Community Amenities
Fitness Center
Controlled Access
Bicycle Storage
Package Service
- Package Service
- Controlled Access
- Lounge
- Fitness Center
- Bicycle Storage
- Gameroom
- Courtyard
Apartment Features
Walk-In Closets
Wi-Fi
Deck
Vinyl Flooring
- Wi-Fi
- Intercom
- Kitchen
- Quartz Countertops
- Vinyl Flooring
- Walk-In Closets
- Balcony
- Deck
- Package Service
- Controlled Access
- Lounge
- Courtyard
- Fitness Center
- Bicycle Storage
- Gameroom
- Game Room
- Outdoor Lounges With Fire Pits
- Pet Friendly
- Schlage Smart Locks
- Direct Access Entry*
- Community Kitchen And Dining
- Landscaped Courtyards With Outdoor Seating
- Luxury, Wood-Grained Vinyl Flooring
- Walk-In Closets*
- Balconies*
- Social Spaces With Complimentary Wifi
- Controlled Access Parking Garage
- Co-Working Spaces
- Full-Size, High Efficiency Washer/Dryer
- Stand-Up Showers*
- Bike Storage
- Gourmet Kitchens With Stainless Steel Appliances
- Groom Room
- Butterflymx Intercom System
- Grilling And Al Fresco Dining
- Open Air Amphitheater
- Open Floor Plans
- Roof Deck With City Views
- Wi-Fi
- Intercom
- Kitchen
- Quartz Countertops
- Vinyl Flooring
- Walk-In Closets
- Balcony
- Deck
| Monday | 10am - 6pm |
|---|---|
| Tuesday | 10am - 6pm |
| Wednesday | 10am - 6pm |
| Thursday | 10am - 6pm |
| Friday | 10am - 6pm |
| Saturday | 10am - 5pm |
| Sunday | Closed |
Nestled along the Charles River, Cambridge is home to both Harvard University and the Massachusetts Institute of Technology, two world-class universities that are located just two miles from one another. This one-of-a-kind college town stands as a historical, cultural, and education hub for the state of Massachusetts. Cambridge offers a charming atmosphere and unbeatable proximity to big-city living with its central location in the Boston metro area, located just three miles west of Downtown Boston.
Nicknamed the “City of Squares” for its intersecting commercial districts, Cambridge offers residents direct access to urban amenities. Kendall Square can be compared to Silicon Valley due to its continuously growing concentration of start-ups. Central Square is your go-to for international restaurants, and Inman Square is a top pick for shopping, cafes, and nightlife. Art is alive and well in Cambridge, between street murals and sculptures and art galleries dotting the city streets.
Learn more about living in Cambridge| Colleges & Universities | Distance | ||
|---|---|---|---|
| Colleges & Universities | Distance | ||
| Drive: | 3 min | 1.4 mi | |
| Drive: | 4 min | 1.6 mi | |
| Drive: | 4 min | 2.1 mi | |
| Drive: | 6 min | 2.1 mi |
The GreatSchools Rating helps parents compare schools within a state based on a variety of school quality indicators and provides a helpful picture of how effectively each school serves all of its students. Ratings are on a scale of 1 (below average) to 10 (above average) and can include test scores, college readiness, academic progress, advanced courses, equity, discipline and attendance data. We also advise parents to visit schools, consider other information on school performance and programs, and consider family needs as part of the school selection process.
View GreatSchools Rating Methodology
Data provided by GreatSchools.org © 2025. All rights reserved.
Transportation options available in Cambridge include Lechmere Station, located 0.3 mile from Flats on First. Flats on First is near General Edward Lawrence Logan International, located 4.3 miles or 9 minutes away.
| Transit / Subway | Distance | ||
|---|---|---|---|
| Transit / Subway | Distance | ||
|
|
Walk: | 5 min | 0.3 mi |
|
|
Walk: | 12 min | 0.6 mi |
|
|
Walk: | 18 min | 0.9 mi |
|
|
Drive: | 6 min | 2.4 mi |
|
|
Drive: | 4 min | 2.4 mi |
| Commuter Rail | Distance | ||
|---|---|---|---|
| Commuter Rail | Distance | ||
|
|
Drive: | 4 min | 1.2 mi |
|
|
Drive: | 8 min | 2.3 mi |
|
|
Drive: | 4 min | 2.5 mi |
|
|
Drive: | 9 min | 3.3 mi |
|
|
Drive: | 9 min | 4.4 mi |
| Airports | Distance | ||
|---|---|---|---|
| Airports | Distance | ||
|
General Edward Lawrence Logan International
|
Drive: | 9 min | 4.3 mi |
Time and distance from Flats on First.
| Shopping Centers | Distance | ||
|---|---|---|---|
| Shopping Centers | Distance | ||
| Walk: | 4 min | 0.2 mi | |
| Walk: | 15 min | 0.8 mi | |
| Walk: | 18 min | 1.0 mi |
| Parks and Recreation | Distance | ||
|---|---|---|---|
| Parks and Recreation | Distance | ||
|
Museum of Science
|
Walk: | 10 min | 0.5 mi |
|
Boston African American National Historic Site
|
Drive: | 5 min | 1.7 mi |
|
Boston Public Garden
|
Drive: | 6 min | 2.1 mi |
|
New England Aquarium
|
Drive: | 5 min | 2.1 mi |
|
Boston National Historical Park
|
Drive: | 5 min | 2.1 mi |
| Hospitals | Distance | ||
|---|---|---|---|
| Hospitals | Distance | ||
| Drive: | 3 min | 1.1 mi | |
| Drive: | 3 min | 1.2 mi | |
| Drive: | 3 min | 1.3 mi |
| Military Bases | Distance | ||
|---|---|---|---|
| Military Bases | Distance | ||
| Drive: | 28 min | 14.2 mi | |
| Drive: | 33 min | 18.0 mi |
Property Ratings at Flats on First
The apartments are modern and well-designed, if a bit small and short on storage space, and the appliances are way nicer than what you'd find in a normal apartment building in Boston. However, there is absolutely no insulation between floors. You will hear every step your upstairs neighbor takes, and each one will sound like a 20-lb weight being dropped on the floor. It's a shame because the building is otherwise very peaceful, and the neighborhood is really a nice place to live. Update: After four months of living here, I have to take off a star due to issues with the building services and the finishings in the unit. Just too many problems for what this place charges in rent. As far as the building goes: 1) There's not a package room as is advertised on the website, and the package lockers have been down since late September, with no indication as to when they will be fixed. The building management blames the vendor, but they also haven't found any other solution to the problem. They just scatter everyone's packages all over the floor of the mail area, unsecured, and don't send any notifications when you receive something. 2) The after-hours maintenance staff isn't responsive. There's not a number to call if you have an after-hours maintenance issue; you just have to submit a request through the resident app and hope someone sees it. I had a lock-out issue once, and, after waiting a half-hour for a maintenance person to arrive and then another 40 minutes for the person to try to unlock my door, I finally just went and stayed in a hotel for the night. As far as the units, the main window in my apartment is without window treatment of any kind. Management said something about them either ordering or receiving the wrong kind of blinds for that window and then told me I could provide the window treatment on my own. Not OK for what this place charges. Update #2: I can now echo one of the other reviews here. I've had packages go missing as well. Contrary to what the website says, there is no "24-hour package room". Management just lets packages be scattered all over the floors by the mailboxes, unsecured and unorganized. Not even a basic level of competence on display here.
Property Manager at Flats on First, Responded To This Review
Hello There, we're disappointed to hear your experience wasn't up to par. We'd appreciate the chance to hear your concerns in-depth and suggest appropriate solutions. Please contact us at flatsonfirst@lincolnapts.com or 1 617-468-1400. We're confident that we can turn your experience around, and look forward to getting correcting it!
The facilities are all very nice and new but the noise isolation isn't up to par. I can hear upstairs stomping, showering, running taps etc. Just moved in and it's already getting on my nerves
Property Manager at Flats on First, Responded To This Review
Hello There, Please be sure to contact our team to discuss this matter. Thank you, The Flats on First Team
Flats on First Photos
Models
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Studio
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Studio
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Studio
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1 Bedroom
-
1 Bedroom
-
1 Bedroom
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Flats on First has studios to three bedrooms with rent ranges from $3,643/mo. to $7,647/mo.
Yes, to view the floor plan in person, please schedule a personal tour.
What Are Walk Score®, Transit Score®, and Bike Score® Ratings?
Walk Score® measures the walkability of any address. Transit Score® measures access to public transit. Bike Score® measures the bikeability of any address.
What is a Sound Score Rating?
A Sound Score Rating aggregates noise caused by vehicle traffic, airplane traffic and local sources
21 Charles St
Cambridge, MA 02141