Live in a place where adventurers meet advancers. Where serious thinking is matched with serious fun. Where strong bodies embrace wellness. Where great books spark even better conversations. Where people are interested in your ideas and your Instagram handle. Where neighbors are joined by a lust for life and new experiences. It all comes perfectly together in the heart of Downtown DC in Mount Vernon Triangle, a neighborhood that cares about everyone.
Special offer
Lydian
400 K St, Washington, DC 20001
- Special offer! Please contact the leasing office for current move-in specials.
Apartment building
Studio-2 beds
Pet-friendly
Other parking
In-unit dryer
Available units
Price may not include required fees and charges
Price may not include required fees and charges.
$2,385+·Studio, 1 bath
UnitSqftBase rentAvailable
657$2,3858/22/2025
657$2,4659/5/2025
657$2,39510/5/2025
$2,455+·Studio, 1 bath
UnitSqftBase rentAvailable
589$2,45510/5/2025
$2,300+·1 bed, 1 bath
UnitSqftBase rentAvailable
574$2,3009/23/2025
$2,766+·1 bed, 1 bath
UnitSqftBase rentAvailable
744$2,76610/13/2025
$2,861+·1 bed, 1 bath
UnitSqftBase rentAvailable
756$2,9119/24/2025
756$2,8619/26/2025
756$2,97110/1/2025
What's special
Swimming pool
Cool down on hot days
This building features access to a pool. Only 17% of buildings in Washington have this amenity.
District law requires that a housing provider state that the housing provider will not refuse to rent a rental unit to a person because the person will provide the rental payment, in whole or in part, through a voucher for rental housing assistance provided by the District or federal government.
Office hours
| Day | Open hours |
|---|---|
| Mon - Fri: | 9 am - 6 pm |
| Sat: | 10 am - 5 pm |
| Sun: | Closed |
Facts, features & policies
Building Amenities
Community Rooms
- Fitness Center: Fitness Center with Peloton Bikes, Virtual Trainin
- Lounge: Indoor lounge with demonstration kitchen
- Theater: Fire pit with outdoor theater
Other
- In Unit: Full size stackable washer and dryer
- Shared: Valet dry cleaning services
- Swimming Pool: Resort-style pool area with cabanas
Outdoor common areas
- Barbecue: Grilling areas with prep stations
- Garden: Seasonal herb garden
Security
- Gated Entry: Gated access to underground parking
Services & facilities
- Bicycle Storage: Bicycle storage room
Unit Features
Appliances
- Dryer: Full size stackable washer and dryer
- Washer: Full size stackable washer and dryer
Cooling
- Refrigeration Cooling: Refrigerated storage spaces
Flooring
- Tile: Porcelanosa tile flooring
Internet/Satellite
- High-speed Internet Ready: WiFi throughout all amenity spaces
Policies
Lease terms
- 12
Pets
Cats
- Allowed
- 2 pet max
- $500 one time fee
- $50 monthly pet fee
Dogs
- Allowed
- 2 pet max
- $500 one time fee
- $50 monthly pet fee
Parking
- Parking Lot: Other
Special Features
- Balconies And Private Courtyards (select Units)
- Buildinglink Resident Portal
- Built In Wine Racks
- Communal Work And Social Spaces With Coffee Bar
- Customizable Elfa Closet Systems
- Designer Roller Shades
- Designer White Lacquer And Wood Cabinetry
- Dog Grooming Station
- Easy Access To 1-395
- Elegant Lobby With 24-hour Concierge
- Floor-to-ceiling Windows
- Gallery Place/chinatown Metro
- Keyless Access Apartment Entry
- Kitchen Pantries (select Units)
- Metro-friendly
- Moveable Islands (select Units)
- Mt. Vernon Sq./7th Street Convention Center Metro
- Nest Programmable Thermostats
- Our State-of-the-art Kitchens Include
- Oversized Kitchen Sinks
- Package Concierge System
- Pet Friendly
- Pet Walking Service
- Private Dining Room
- Quartz Countertops
- Recessed Shower Shelving
- Rooftop Retreat Topped Off With
- Stainless Steel Appliances
- Tile Backsplash
- Under Cabinet Lighting (select Units)
- Wine Coolers (select Units)
- Zipcar Within Walking Distance
Neighborhood: Mount Vernon Square
Areas of interest
Use our interactive map to explore the neighborhood and see how it matches your interests.
Travel times
Nearby schools in Washington
GreatSchools rating
- 5/10Walker-Jones Education CampusGrades: PK-8Distance: 0.2 mi
- 4/10Dunbar High SchoolGrades: 9-12Distance: 0.5 mi
Market Trends
Rental market summary
The average rent for all beds and all property types in Washington, DC is $2,527.
Average rent
$2,527
Month-over-month
+$24
Year-over-year
-$73
Available rentals
4,105
Frequently asked questions
What is the walk score of Lydian?
Lydian has a walk score of 97, it's a walker's paradise.
What schools are assigned to Lydian?
The schools assigned to Lydian include Walker-Jones Education Campus and Dunbar High School.
Does Lydian have in-unit laundry?
Yes, Lydian has in-unit laundry for some or all of the units. Lydian also has shared building laundry.
What neighborhood is Lydian in?
Lydian is in the Mount Vernon Square neighborhood in Washington, DC.
What are Lydian's policies on pets?
A maximum of 2 cats are allowed per unit. This building has a one time fee of $500 and monthly fee of $50 for cats. A maximum of 2 dogs are allowed per unit. This building has a one time fee of $500 and monthly fee of $50 for dogs.
