Map of Property

@4240 | Class A Office

For Lease

4240 Duncan Avenue, St. Louis, MO 63110

The total number of office spaces available at @4240 | Class A Office is 1. Leasing opportunities in the building include general office. There is a total of 17,322 square feet of space currently available for rent at this address. Of this, the minimum divisible area is 16,751 square feet.

Space Available For Lease 1

Contacts

Rebekah Bahn Kingston

Colliers

Tony Kennedy

Colliers

Property Details

  • Property Type Office - General Office
  • Building Class A
  • Year Built 2013
  • Date Updated May 18, 2026

@4240 offers a unique environment for a range of companies including those involved in life sciences, research, technology, legal, innovation and entrepreneurship. The building is conveniently located within the CORTEX Innovation District.

For Lease

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Highlights

  • 17322 SF available now in Suite 190 16751 SF available now in Suite 240
  • 34073 SF available for lease
  • An energetic environment of wellestablished companies and startups
  • Close proximity to the new Aloft Hotel Cortex Commons several restaurants including Vicia Park Avenue Caf and additional amenities
  • Prime Cortex location at the intersection of Duncan Boyle

Getting around

  • 79/100

    Walk Score ®

  • 58/100

    Transit Score ®

  • 63/100

    Bike Score ®

Powered by Walk Score ®

Location

  • City St. Louis, MO
  • Neighborhood Central West End Saint Louis
  • Zip Code 63110
  • Market St Louis

Points of Interest

  • Missouri History Museum/Forest Park

    1.94 miles

  • The Wild Station

    2.01 miles

  • Forest Park - DeBaliviere Metrolink

    2.04 miles

  • Discovery Corner Station

    2.13 miles

  • Union Station - Elevator Access

    2.46 miles

  • Union Station

    2.49 miles

  • Union Station - Stair Access

    2.52 miles

  • Delmar Loop Metrolink

    2.68 miles

  • St. Louis - Gateway Station

    2.70 miles

  • Delmar Loop

    2.72 miles

  • BP

    0.34 miles

  • QuikTrip

    0.54 miles

  • Tesla Supercharger

    1.13 miles

  • Mobil

    1.33 miles

  • ChargePoint

    1.39 miles

  • Crown

    1.51 miles

  • EVgo Charging Station

    2.39 miles

  • EV Connect

    3.00 miles

  • Electric Car Charging Station

    3.97 miles

  • 4240 and Tech Shop Parking

    0.08 miles

  • Cortex lot

    0.12 miles

  • 4220 Duncan Garage

    0.13 miles

  • Duncan/Taylor Parking Garage

    0.40 miles

  • IKEA Parking Lot

    0.41 miles

  • Clayton Avenue Parking Garage

    0.42 miles

  • Chroma Apartments Garage

    0.47 miles

  • American Red Cross Parking Garage

    0.48 miles

  • Children's Place Parking Garage

    0.51 miles

  • Loyola Parking Lot

    0.56 miles

  • Aloft by Mariott

    0.08 miles

  • Home2 Suites by Hilton St. Louis/Forest Park

    0.53 miles

  • DoubleTree by Hilton

    0.60 miles

  • Element St. Louis Midtown

    0.65 miles

  • Holiday Inn Express

    0.72 miles

  • AC Hotel St. Louis Central/West End

    0.87 miles

  • The Royal Sonesta Chase Park Plaza St. Louis

    0.92 miles

  • Angad Arts Hotel

    1.18 miles

  • Hotel Ignacio

    1.26 miles

  • Hampton Inn & Suites St. Louis at Forest Park

    1.63 miles

  • Schnucks

    0.53 miles

  • N & M Food Market

    0.54 miles

  • Whole Foods Market

    0.71 miles

  • Fresh Thyme

    0.73 miles

  • Straub's Market

    0.98 miles

  • Target

    1.02 miles

  • ALDI

    1.31 miles

  • Save-A-Lot

    1.49 miles

  • John Viviano and Sons

    1.61 miles

  • Soll's Gateway Market

    1.68 miles

4240 Duncan Avenue Listing Brief

  • Leasing rates here can depend on a variety of factors, including the quality rating of the property (property class or building class), the position of the available space within the building, any unique attributes that the listed space may include, as well as on the availability of on-site or nearby amenities. Reach out using the contact form available on this page to schedule a tour or to get more detailed information on the most modern facilities and amenities that 4240 Duncan Avenue has to offer.

  • See the listing area details for information and ratings regarding the degree of walkability in the neighborhood, the accessibility and frequency of public transit options, as well as the level of availability and quality of biking infrastructure in the area. What’s more, you can use the interactive map for a good overview of the area. Location details also include a breakdown of distance from the property to several essential amenities and points of interest, which may include parking facilities, fuel stations, stores, or hotels.

  • This property is in the Central West End Saint Louis neighborhood of St. Louis and located within zip code 63110.

    4240 Duncan Avenue was originally completed in 2013 and is rated class A. The building includes 0 square feet, of which 17,322 square feet is rentable office space.

Contact @4240 | Class A Office
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