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Walker Medical Building 12855 N 40 Dr 463 - 31,300 SF of Office/Medical Space Available in Saint Louis, MO 63141
Highlights
- 12855 N Forty Drive, the Walker Medical Building, is a Class A MOB with a multi-specialty tenant mix in West St. Louis.
- Affluent, health-conscious locale with an average annual household income of over $162,000 reported within a 3-mile radius.
- Minutes to three of the area’s major hospitals with direct access to Highway 40/Interstate 64, leading to Interstate 270 and MO-141.
- ADA-accessible property featuring a two-level parking garage, 24-hour card access, and a backup generator.
- Equipped for lab testing, dental practices, advanced imaging, physical therapy, surgery, concierge medicine, primary care, and much more.
All Available Spaces(7)
Display Rental Rate as
- Space
- Size
- Term
- Rental Rate
- Space Use
- Build-Out
- Available
Contact broker for more information.
- Fully Built-Out as Standard Office
- Fits 18 - 57 People
- Contact broker for more information.
- Mostly Open Floor Plan Layout
- Central Air Conditioning
Contact broker for more information.
- Fully Built-Out as Standard Office
- Fits 2 - 4 People
- Reception Area
- Wheelchair Accessible
- Office intensive layout
- Laboratory
- Central Air Conditioning
- Contact broker for more information.
Walker Medical Building offers medical and healthcare users a professionally managed medical office environment in one of West St. Louis County's most established healthcare corridors. Located along North Forty Drive with direct access to Interstate 64/Highway 40, the property provides convenient regional connectivity for physicians, staff, and patients throughout the St. Louis metropolitan area.
- Fully Built-Out as Standard Office
- Central Air Conditioning
- Fits 5 - 20 People
- Direct access to Interstate 64
Contact broker for more information.
- Fully Built-Out as Standard Office
- Fits 7 - 48 People
- Reception Area
- Wheelchair Accessible
- Office intensive layout
- Laboratory
- Central Air Conditioning
- Contact broker for more information.
Contact broker for more information.
- Fully Built-Out as Standard Office
- Fits 9 - 26 People
- Laboratory
- Central Air Conditioning
- Contact broker for more information.
- Office intensive layout
- Can be combined with additional space(s) for up to 6,498 SF of adjacent space
- Reception Area
- Wheelchair Accessible
Walker Medical Building offers medical and healthcare users a professionally managed medical office environment in one of West St. Louis County's most established healthcare corridors. Located along North Forty Drive with direct access to Interstate 64/Highway 40, the property provides convenient regional connectivity for physicians, staff, and patients throughout the St. Louis metropolitan area.
- Fully Built-Out as Standard Office
- Fits 9 - 27 People
- Central Air Conditioning
- Mostly Open Floor Plan Layout
- Can be combined with additional space(s) for up to 6,498 SF of adjacent space
- Class A medical office
Walker Medical Building offers medical and healthcare users a professionally managed medical office environment in one of West St. Louis County's most established healthcare corridors. Located along North Forty Drive with direct access to Interstate 64/Highway 40, the property provides convenient regional connectivity for physicians, staff, and patients throughout the St. Louis metropolitan area.
- Fully Built-Out as Standard Office
- Central Air Conditioning
- Fits 22 - 69 People
- Class A medical office
| Space | Size | Term | Rental Rate | Space Use | Build-Out | Available |
| 1st Floor, Ste 150 | 7,086 SF | Negotiable | Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request | Office/Medical | Full Build-Out | Now |
| 1st Floor, Ste 180A | 463 SF | Negotiable | Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request | Office/Medical | Full Build-Out | Now |
| 1st Floor, Ste 194/195 | 2,750 SF | Negotiable | Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request | Office/Medical | Full Build-Out | Now |
| 2nd Floor, Ste 200 | 2,500-5,986 SF | Negotiable | Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request | Office/Medical | Full Build-Out | 30 Days |
| 2nd Floor, Ste 260 | 3,202 SF | Negotiable | Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request | Office/Medical | Full Build-Out | Now |
| 2nd Floor, Ste 275 | 3,296 SF | Negotiable | Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request | Office/Medical | Full Build-Out | Now |
| 3rd Floor, Ste 300 | 8,517 SF | Negotiable | Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request | Office/Medical | Full Build-Out | March 01, 2027 |
1st Floor, Ste 150
| Size |
| 7,086 SF |
| Term |
| Negotiable |
| Rental Rate |
| Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request |
| Space Use |
| Office/Medical |
| Build-Out |
| Full Build-Out |
| Available |
| Now |
1st Floor, Ste 180A
| Size |
| 463 SF |
| Term |
| Negotiable |
| Rental Rate |
| Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request |
| Space Use |
| Office/Medical |
| Build-Out |
| Full Build-Out |
| Available |
| Now |
1st Floor, Ste 194/195
| Size |
| 2,750 SF |
| Term |
| Negotiable |
| Rental Rate |
| Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request |
| Space Use |
| Office/Medical |
| Build-Out |
| Full Build-Out |
| Available |
| Now |
2nd Floor, Ste 200
| Size |
| 2,500-5,986 SF |
| Term |
| Negotiable |
| Rental Rate |
| Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request |
| Space Use |
| Office/Medical |
| Build-Out |
| Full Build-Out |
| Available |
| 30 Days |
2nd Floor, Ste 260
| Size |
| 3,202 SF |
| Term |
| Negotiable |
| Rental Rate |
| Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request |
| Space Use |
| Office/Medical |
| Build-Out |
| Full Build-Out |
| Available |
| Now |
2nd Floor, Ste 275
| Size |
| 3,296 SF |
| Term |
| Negotiable |
| Rental Rate |
| Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request |
| Space Use |
| Office/Medical |
| Build-Out |
| Full Build-Out |
| Available |
| Now |
3rd Floor, Ste 300
| Size |
| 8,517 SF |
| Term |
| Negotiable |
| Rental Rate |
| Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request |
| Space Use |
| Office/Medical |
| Build-Out |
| Full Build-Out |
| Available |
| March 01, 2027 |
1st Floor, Ste 150
| Size | 7,086 SF |
| Term | Negotiable |
| Rental Rate | Upon Request |
| Space Use | Office/Medical |
| Build-Out | Full Build-Out |
| Available | Now |
Contact broker for more information.
- Fully Built-Out as Standard Office
- Mostly Open Floor Plan Layout
- Fits 18 - 57 People
- Central Air Conditioning
- Contact broker for more information.
1st Floor, Ste 180A
| Size | 463 SF |
| Term | Negotiable |
| Rental Rate | Upon Request |
| Space Use | Office/Medical |
| Build-Out | Full Build-Out |
| Available | Now |
Contact broker for more information.
- Fully Built-Out as Standard Office
- Office intensive layout
- Fits 2 - 4 People
- Laboratory
- Reception Area
- Central Air Conditioning
- Wheelchair Accessible
- Contact broker for more information.
1st Floor, Ste 194/195
| Size | 2,750 SF |
| Term | Negotiable |
| Rental Rate | Upon Request |
| Space Use | Office/Medical |
| Build-Out | Full Build-Out |
| Available | Now |
Walker Medical Building offers medical and healthcare users a professionally managed medical office environment in one of West St. Louis County's most established healthcare corridors. Located along North Forty Drive with direct access to Interstate 64/Highway 40, the property provides convenient regional connectivity for physicians, staff, and patients throughout the St. Louis metropolitan area.
- Fully Built-Out as Standard Office
- Fits 5 - 20 People
- Central Air Conditioning
- Direct access to Interstate 64
2nd Floor, Ste 200
| Size | 2,500-5,986 SF |
| Term | Negotiable |
| Rental Rate | Upon Request |
| Space Use | Office/Medical |
| Build-Out | Full Build-Out |
| Available | 30 Days |
Contact broker for more information.
- Fully Built-Out as Standard Office
- Office intensive layout
- Fits 7 - 48 People
- Laboratory
- Reception Area
- Central Air Conditioning
- Wheelchair Accessible
- Contact broker for more information.
2nd Floor, Ste 260
| Size | 3,202 SF |
| Term | Negotiable |
| Rental Rate | Upon Request |
| Space Use | Office/Medical |
| Build-Out | Full Build-Out |
| Available | Now |
Contact broker for more information.
- Fully Built-Out as Standard Office
- Office intensive layout
- Fits 9 - 26 People
- Can be combined with additional space(s) for up to 6,498 SF of adjacent space
- Laboratory
- Reception Area
- Central Air Conditioning
- Wheelchair Accessible
- Contact broker for more information.
2nd Floor, Ste 275
| Size | 3,296 SF |
| Term | Negotiable |
| Rental Rate | Upon Request |
| Space Use | Office/Medical |
| Build-Out | Full Build-Out |
| Available | Now |
Walker Medical Building offers medical and healthcare users a professionally managed medical office environment in one of West St. Louis County's most established healthcare corridors. Located along North Forty Drive with direct access to Interstate 64/Highway 40, the property provides convenient regional connectivity for physicians, staff, and patients throughout the St. Louis metropolitan area.
- Fully Built-Out as Standard Office
- Mostly Open Floor Plan Layout
- Fits 9 - 27 People
- Can be combined with additional space(s) for up to 6,498 SF of adjacent space
- Central Air Conditioning
- Class A medical office
3rd Floor, Ste 300
| Size | 8,517 SF |
| Term | Negotiable |
| Rental Rate | Upon Request |
| Space Use | Office/Medical |
| Build-Out | Full Build-Out |
| Available | March 01, 2027 |
Walker Medical Building offers medical and healthcare users a professionally managed medical office environment in one of West St. Louis County's most established healthcare corridors. Located along North Forty Drive with direct access to Interstate 64/Highway 40, the property provides convenient regional connectivity for physicians, staff, and patients throughout the St. Louis metropolitan area.
- Fully Built-Out as Standard Office
- Fits 22 - 69 People
- Central Air Conditioning
- Class A medical office
Property Overview
Join the ranks of leading healthcare specialists and take advantage of superior visibility and connectivity with one of the high-end suites offered at 12855 N Forty Drive, the Walker Medical Building. 12855 N Forty Drive spans approximately 150,000 square feet across four stories and features a two-story parking garage, 24-hour access, ADA accessibility, and a backup generator for seamless operations and access. New tenants will be in good company with co-occupants in pediatrics, gastroenterology, neurosurgery, cardiology, family medicine, podiatry, general surgery, psychiatry, and more, a diverse mix to broaden referral networks. Walker Medical Building benefits from proximity to three major hospitals, Mercy (formerly St. John’s), Missouri Baptist, and St. Luke's, all of which are less than 10 minutes from the property. Local residents report a high payor mix and prioritize health and wellness with some of the most prestigious communities nearby, such as Town and Country, Chesterfield, Clarkson Valley, Ladue, and Des Peres. Connections to these patient pools are streamlined via direct access to Interstate 64 and other close arterial roadways. Many residents are organically drawn here, making this a convenient destination, with several local schools, colleges, country clubs, parks, and shopping districts moments away.
- 24 Hour Access
- Wheelchair Accessible
- Backup Power / Generators
Property Facts
Select Tenants
- Floor
- Tenant Name
- Industry
- LL
- Arch Cancer Care
- Health Care and Social Assistance
- 1st
- Gateway Endoscopy Center
- Health Care and Social Assistance
- 2nd
- Mercy Clinic Internal Medicine - Creve Coeur
- Health Care and Social Assistance
- 1st
- Neurosurgery of St. Louis
- Health Care and Social Assistance
- 3rd
- Urology of St. Louis
- Health Care and Social Assistance
Presented by
Walker Medical Building | 12855 N 40 Dr
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