• Broker Tim Lawlor 3148026226 x 1
  • Broker Pam Hinds 3148026226 x 2

Union Station Office Park Saint Louis, MO 63103 1,935 - 42,772 SF of Office Space Available

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PARK HIGHLIGHTS

  • Beautiful offices in the heart of downtown St Louis
  • 1 mile from the Gateway Arch
  • Dedicated Private Parking
  • 159,004 SF Three-Building Office Park
  • Home to the Build-A-Bear Workshop Global Headquarters

PARK FACTS

Total Space Available 42,772 SF Features Freeway Visibility
Park Type Office Park
Total Space Available 42,772 SF
Park Type Office Park
Features Freeway Visibility

ALL AVAILABLE SPACES(5)

Display Rental Rate as

Union Station Office Park
401 S 18th St - Power House
1,935 - 28,120 SF | $17.00 /SF/YR $1.42 /SF/MO $182.99 /m²/YR $15.25 /m²/MO $2,741 - $39,837 /MO $32,895 - $478,040 /YR
Building Type/Class
Office/B
Year Built
1988
Building Size
57,814 SF
Building Height
4 Stories
Typical Floor Size
14,454 SF
Parking
5/1,000 SF
  • SPACE
  • SIZE
  • TERM
  • RENTAL RATE
  • SPACE USE
  • CONDITION
  • AVAILABLE
  • 1st Floor, Ste 100
  • 19,660 SF
  • Negotiable
  • $17.00 /SF/YR $1.42 /SF/MO $182.99 /m²/YR $15.25 /m²/MO $27,852 /MO $334,220 /YR
  • Office
  • Full Build-Out
  • Now
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415 S 18th St, Saint Louis, MO for lease Floor Plan- Image 13 of 13
Floor Plan

16,657 sf on Main Level; 2,973 sf on Mezzanine Level

  • Rate includes utilities, building services and property expenses
  • Office intensive layout
  • Fully Built-Out as Financial Services Office
  • Space is in Excellent Condition
  • Power House 1st floor & Mezzanine 19,660 sf
  • 2nd Floor, Ste 250
  • 6,525 SF
  • Negotiable
  • $17.00 /SF/YR $1.42 /SF/MO $182.99 /m²/YR $15.25 /m²/MO $9,244 /MO $110,925 /YR
  • Office
  • Full Build-Out
  • Now
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415 S 18th St, Saint Louis, MO for lease Floor Plan- Image 13 of 13
Floor Plan
  • Rate includes utilities, building services and property expenses
  • Office intensive layout
  • Fully Built-Out as Standard Office
  • Space is in Excellent Condition
  • 401 S 18th St
  • Power House Suite 250 6,525 sf
  • 3rd Floor, Ste 300
  • 1,935 SF
  • Negotiable
  • $17.00 /SF/YR $1.42 /SF/MO $182.99 /m²/YR $15.25 /m²/MO $2,741 /MO $32,895 /YR
  • Office
  • Full Build-Out
  • Now
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415 S 18th St, Saint Louis, MO for lease Floor Plan- Image 13 of 13
Floor Plan
  • Rate includes utilities, building services and property expenses
  • Office intensive layout
  • Fully Built-Out as Standard Office
  • Space is in Excellent Condition
  • 401 S 18th St
  • Power House Suite 300 1,935 sf
Space Size Term Rental Rate Space Use Condition Available
1st Floor, Ste 100 19,660 SF Negotiable $17.00 /SF/YR $1.42 /SF/MO $182.99 /m²/YR $15.25 /m²/MO $27,852 /MO $334,220 /YR Office Full Build-Out Now
2nd Floor, Ste 250 6,525 SF Negotiable $17.00 /SF/YR $1.42 /SF/MO $182.99 /m²/YR $15.25 /m²/MO $9,244 /MO $110,925 /YR Office Full Build-Out Now
3rd Floor, Ste 300 1,935 SF Negotiable $17.00 /SF/YR $1.42 /SF/MO $182.99 /m²/YR $15.25 /m²/MO $2,741 /MO $32,895 /YR Office Full Build-Out Now
Union Station Office Park
401 S 18th St - Power House
1,935 - 28,120 SF | $17.00 /SF/YR $1.42 /SF/MO $182.99 /m²/YR $15.25 /m²/MO $2,741 - $39,837 /MO $32,895 - $478,040 /YR
Building Type/Class
Office/B
Year Built
1988
Building Size
57,814 SF
Building Height
4 Stories
Typical Floor Size
14,454 SF
Parking
5/1,000 SF

401 S 18th St - 1st Floor - Ste 100

Size
19,660 SF
Term
Negotiable
Rental Rate
$17.00 /SF/YR $1.42 /SF/MO $182.99 /m²/YR $15.25 /m²/MO $27,852 /MO $334,220 /YR
Space Use
Office
Condition
Full Build-Out
Available
Now

401 S 18th St - 2nd Floor - Ste 250

Size
6,525 SF
Term
Negotiable
Rental Rate
$17.00 /SF/YR $1.42 /SF/MO $182.99 /m²/YR $15.25 /m²/MO $9,244 /MO $110,925 /YR
Space Use
Office
Condition
Full Build-Out
Available
Now

401 S 18th St - 3rd Floor - Ste 300

Size
1,935 SF
Term
Negotiable
Rental Rate
$17.00 /SF/YR $1.42 /SF/MO $182.99 /m²/YR $15.25 /m²/MO $2,741 /MO $32,895 /YR
Space Use
Office
Condition
Full Build-Out
Available
Now
Union Station Office Park
333 S 18th St - Post Office Annex
5,102 - 14,652 SF | $17.00 /SF/YR $1.42 /SF/MO $182.99 /m²/YR $15.25 /m²/MO $7,228 - $20,757 /MO $86,734 - $249,084 /YR
Building Type/Class
Office/B
Year Built/Renovated
1904/1986
Building Size
39,648 SF
Building Height
3 Stories
Typical Floor Size
12,728 SF
Parking
5/1,000 SF
  • SPACE
  • SIZE
  • TERM
  • RENTAL RATE
  • SPACE USE
  • CONDITION
  • AVAILABLE
  • 2nd Floor, Ste 200
  • 5,102 SF
  • Negotiable
  • $17.00 /SF/YR $1.42 /SF/MO $182.99 /m²/YR $15.25 /m²/MO $7,228 /MO $86,734 /YR
  • Office
  • Full Build-Out
  • 30 Days
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Interior Photo
  • Rate includes utilities, building services and property expenses
  • Office intensive layout
  • Fully Built-Out as Professional Services Office
  • Space is in Excellent Condition
  • 333 S 18th St
  • Post Office Annex Suite 200 5,102 sf
  • 3rd Floor, Ste 300
  • 9,550 SF
  • Negotiable
  • $17.00 /SF/YR $1.42 /SF/MO $182.99 /m²/YR $15.25 /m²/MO $13,529 /MO $162,350 /YR
  • Office
  • Full Build-Out
  • 30 Days
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Interior Photo
  • Rate includes utilities, building services and property expenses
  • Office intensive layout
  • Fully Built-Out as Professional Services Office
  • Space is in Excellent Condition
  • Post Office Annex 3rd floor 9,550 sf
Space Size Term Rental Rate Space Use Condition Available
2nd Floor, Ste 200 5,102 SF Negotiable $17.00 /SF/YR $1.42 /SF/MO $182.99 /m²/YR $15.25 /m²/MO $7,228 /MO $86,734 /YR Office Full Build-Out 30 Days
3rd Floor, Ste 300 9,550 SF Negotiable $17.00 /SF/YR $1.42 /SF/MO $182.99 /m²/YR $15.25 /m²/MO $13,529 /MO $162,350 /YR Office Full Build-Out 30 Days
Union Station Office Park
333 S 18th St - Post Office Annex
5,102 - 14,652 SF | $17.00 /SF/YR $1.42 /SF/MO $182.99 /m²/YR $15.25 /m²/MO $7,228 - $20,757 /MO $86,734 - $249,084 /YR
Building Type/Class
Office/B
Year Built/Renovated
1904/1986
Building Size
39,648 SF
Building Height
3 Stories
Typical Floor Size
12,728 SF
Parking
5/1,000 SF

333 S 18th St - 2nd Floor - Ste 200

Size
5,102 SF
Term
Negotiable
Rental Rate
$17.00 /SF/YR $1.42 /SF/MO $182.99 /m²/YR $15.25 /m²/MO $7,228 /MO $86,734 /YR
Space Use
Office
Condition
Full Build-Out
Available
30 Days

333 S 18th St - 3rd Floor - Ste 300

Size
9,550 SF
Term
Negotiable
Rental Rate
$17.00 /SF/YR $1.42 /SF/MO $182.99 /m²/YR $15.25 /m²/MO $13,529 /MO $162,350 /YR
Space Use
Office
Condition
Full Build-Out
Available
30 Days
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Floor Plan

401 S 18th St - 1st Floor - Ste 100

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415 S 18th St, Saint Louis, MO for lease Floor Plan- Image 13 of 13
Floor Plan
Size 19,660 SF
Term Negotiable
Rental Rate $17.00 /SF/YR
Space Use Office
Condition Full Build-Out
Available Now

16,657 sf on Main Level; 2,973 sf on Mezzanine Level

  • Rate includes utilities, building services and property expenses
  • Fully Built-Out as Financial Services Office
  • Office intensive layout
  • Space is in Excellent Condition
  • Power House 1st floor & Mezzanine 19,660 sf
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Floor Plan

401 S 18th St - 2nd Floor - Ste 250

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415 S 18th St, Saint Louis, MO for lease Floor Plan- Image 13 of 13
Floor Plan
Size 6,525 SF
Term Negotiable
Rental Rate $17.00 /SF/YR
Space Use Office
Condition Full Build-Out
Available Now

  • Rate includes utilities, building services and property expenses
  • Fully Built-Out as Standard Office
  • Office intensive layout
  • Space is in Excellent Condition
  • 401 S 18th St
  • Power House Suite 250 6,525 sf
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Floor Plan

401 S 18th St - 3rd Floor - Ste 300

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415 S 18th St, Saint Louis, MO for lease Lobby- Image 7 of 13
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415 S 18th St, Saint Louis, MO for lease Floor Plan- Image 13 of 13
Floor Plan
Size 1,935 SF
Term Negotiable
Rental Rate $17.00 /SF/YR
Space Use Office
Condition Full Build-Out
Available Now

  • Rate includes utilities, building services and property expenses
  • Fully Built-Out as Standard Office
  • Office intensive layout
  • Space is in Excellent Condition
  • 401 S 18th St
  • Power House Suite 300 1,935 sf
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333 S 18th St - 2nd Floor - Ste 200

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415 S 18th St, Saint Louis, MO for lease Lobby- Image 6 of 12
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415 S 18th St, Saint Louis, MO for lease Lobby- Image 7 of 12
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415 S 18th St, Saint Louis, MO for lease Interior Photo- Image 8 of 12
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Interior Photo
Size 5,102 SF
Term Negotiable
Rental Rate $17.00 /SF/YR
Space Use Office
Condition Full Build-Out
Available 30 Days

  • Rate includes utilities, building services and property expenses
  • Fully Built-Out as Professional Services Office
  • Office intensive layout
  • Space is in Excellent Condition
  • 333 S 18th St
  • Post Office Annex Suite 200 5,102 sf
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333 S 18th St - 3rd Floor - Ste 300

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415 S 18th St, Saint Louis, MO for lease Aerial- Image 5 of 12
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415 S 18th St, Saint Louis, MO for lease Lobby- Image 6 of 12
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415 S 18th St, Saint Louis, MO for lease Lobby- Image 7 of 12
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415 S 18th St, Saint Louis, MO for lease Interior Photo- Image 8 of 12
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Interior Photo
Size 9,550 SF
Term Negotiable
Rental Rate $17.00 /SF/YR
Space Use Office
Condition Full Build-Out
Available 30 Days

  • Rate includes utilities, building services and property expenses
  • Fully Built-Out as Professional Services Office
  • Office intensive layout
  • Space is in Excellent Condition
  • Post Office Annex 3rd floor 9,550 sf

SELECT TENANTS AT THIS PROPERTY

  • FLOOR
  • TENANT NAME
  • INDUSTRY
  • 3rd
  • Balke Brown Transwestern
  • Real Estate
  • 2nd
  • Cole & Associates Inc
  • Professional, Scientific, and Technical Services
  • 1st
  • Emmis Communications Corp
  • Information
  • 1st
  • Fitness Now
  • -
  • 3rd
  • HDR
  • Professional, Scientific, and Technical Services
  • 4th
  • Horner & Shifrin Inc
  • Professional, Scientific, and Technical Services
  • Multiple
  • KSHE 95
  • Information
  • 4th
  • Larry Fields and Associates
  • Professional, Scientific, and Technical Services
  • Unknown
  • Sequoia Engineering & Envrnmnl
  • Professional, Scientific, and Technical Services
  • Unknown
  • Steven A. Brown
  • -

PARK OVERVIEW

The Union Station Office Park is a 159,004 SF, three-building office property with dedicated private parking. It is located in the Southwestern portion of the St. Louis CBD. The full complex contains over 100 retail stores and restaurants, 4 active train tracks, and a Hyatt Regency Hotel. The Powerhouse Office Building at Union Station was developed in 1987 on the foundation of the former St. Louis Union Station Powerhouse Building. It was developed as part of the Union Station Complex, a redevelopment of the former St. Louis Union Station. The property is a Class A 69k SF, 4 story, multi-tenant office building on 2.724 acres of land. The office building was constructed on the original foundation of a power plant of a former train station, which was built in 1904. This property is located in the downtown St. Louis area adjacent to the superstructure of the Union Station Marketplace. Grand Central at Union Station is a 62k SF, 4 story office property situated on .72 acres and is home to the Build-A-Bear Workshop's global headquarters. The Post Office Annex at Union Station is a beautiful historic rehab located in the heart of the landmark Union Station development. The 35k SF office building is adjacent to Metrolink station and within the ride free zone. The building is within walking distance of hotels, restaurants, and entertainment with convenient and secure parking. The owner, Woodcrest Capital, welcomes first-time and franchise businesses to its centers with easy-to-read leases and flexible terms while also being sufficiently sophisticated to please the largest of national credit tenants. As a family-owned business with over 40 years in commercial real estate, Woodcrest owns and operates everything from Class A centers in the busiest neighborhoods to troubled centers it’s rehabilitating in struggling rural communities. Give us a call today to find the right location for your business! " Come FEEL THE ENERGY with all of the new amenities at Union Station. " Easy I-64, I-44 and I-55 Access " MetroLink Stop in Complex " Computer controlled energy systems " Fitness Facility with showers " On-site storage available Downtown Location by Union Station

  • Freeway Visibility

ATTACHMENTS

Union Station Office Park Brochure

LINKS

  • Flip Book Brochure
  • Virtual Tour of Post Office Annex STE 300

MAP

ADDITIONAL PHOTOS

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  • Listing ID: 34359769

  • Date on Market: 11/2/2023

  • Last Updated: 6/5/2025

  • Address: 415 S 18th St, Saint Louis, MO 63103