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The Ion 4201 Main St 6,667 - 14,581 SF of 4-Star Office Space Available in Houston, TX 77002

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Highlights

  • Office, academic, restaurant, and event spaces.
  • 2,000 SF fitness space.
  • LEED Gold, WELL Silver, and WiredScore Platinum
  • 50,000 SF of Public and shared spaces for events and programming.
  • 6 Eateries - four restraunts, one tap room & a Fridge - with more to come.

All Available Spaces(2)

Display Rental Rate as

  • Space
  • Size
  • Term
  • Rental Rate
  • Space Use
  • Condition
  • Available
  • Lower Level, Ste L10
  • 6,667 SF
  • Negotiable
  • $25.24 CAD/SF/YR $2.10 CAD/SF/MO $168,250 CAD/YR $14,021 CAD/MO
  • Office
  • -
  • Now

Spacious office suite with 6,667 sqft available. Virtual Tour: https://view.ricoh360.com/5e26d013-3998-4fae-b046-fe1c19bde7f6

  • Lease rate does not include utilities, property expenses or building services
  • 3rd Floor, Ste 300
  • 7,914 SF
  • Negotiable
  • $43.65 CAD/SF/YR $3.64 CAD/SF/MO $345,461 CAD/YR $28,788 CAD/MO
  • Office
  • -
  • 2026-03-01

Spacious office suite with 7,914 sqft available.

  • Lease rate does not include utilities, property expenses or building services
Space Size Term Rental Rate Space Use Condition Available
Lower Level, Ste L10 6,667 SF Negotiable $25.24 CAD/SF/YR $2.10 CAD/SF/MO $168,250 CAD/YR $14,021 CAD/MO Office - Now
3rd Floor, Ste 300 7,914 SF Negotiable $43.65 CAD/SF/YR $3.64 CAD/SF/MO $345,461 CAD/YR $28,788 CAD/MO Office - 2026-03-01

Lower Level, Ste L10

Size
6,667 SF
Term
Negotiable
Rental Rate
$25.24 CAD/SF/YR $2.10 CAD/SF/MO $168,250 CAD/YR $14,021 CAD/MO
Space Use
Office
Condition
-
Available
Now

3rd Floor, Ste 300

Size
7,914 SF
Term
Negotiable
Rental Rate
$43.65 CAD/SF/YR $3.64 CAD/SF/MO $345,461 CAD/YR $28,788 CAD/MO
Space Use
Office
Condition
-
Available
2026-03-01

Lower Level, Ste L10

Size 6,667 SF
Term Negotiable
Rental Rate $25.24 CAD/SF/YR
Space Use Office
Condition -
Available Now

Spacious office suite with 6,667 sqft available. Virtual Tour: https://view.ricoh360.com/5e26d013-3998-4fae-b046-fe1c19bde7f6

  • Lease rate does not include utilities, property expenses or building services

3rd Floor, Ste 300

Size 7,914 SF
Term Negotiable
Rental Rate $43.65 CAD/SF/YR
Space Use Office
Condition -
Available 2026-03-01

Spacious office suite with 7,914 sqft available.

  • Lease rate does not include utilities, property expenses or building services

Property Overview

The beautifully revived building—once home to the iconic Sears showroom, itself a modern marvel in 1939—is today a sunlit structure of steel and glass designed to bring Houston’s entrepreneurial, corporate, and academic communities into collaborative spaces and programs. A place for turning imagination and ideas into tangible realities. From Fortune 500s seeking flexible office space to first-time startups looking for the funding to build a prototype, the Ion invites individuals and teams of all kinds to a place where they can break with convention, break into the tech scene, or simply break up their day with a coffee and easy atmosphere. Anyone is welcome at any time.

  • 24 Hour Access
  • Atrium
  • Bus Line
  • Commuter Rail
  • Conferencing Facility
  • Fitness Center
  • Food Service
  • Metro/Subway
  • Restaurant
  • Skylights
  • Car Charging Station
  • Natural Light
  • Open-Plan
  • Shower Facilities
  • Outdoor Seating
  • Air Conditioning
  • Balcony

Property Facts

Building Type
Office
Year Built/Renovated
2021/2022
LoopNet Rating
4 Star
Building Height
6 Stories
Building Size
266,000 SF
Building Class
A
Typical Floor Size
48,000 SF
Parking
86 Surface Parking Spaces
Covered Parking at $68 CAD/month
Reserved Parking at $136 CAD/month

Select Tenants

  • Floor
  • Tenant Name
  • Industry
  • 3rd
  • Chevron Corporation
  • Mining, Quarrying, and Oil and Gas Extraction
  • Multiple
  • CommonDesk
  • Real Estate
  • 5th
  • Microsoft Corporation
  • Professional, Scientific, and Technical Services
Walk Score®
Very Walkable (87)
Bike Score®
Very Bikeable (83)
What is a Walk Score®, Transit Score® & Bike Score®?
Walk Score® measures the walkability of any address.
Transit Score® measures access to public transit.
Bike Score® measures bikeability of a location.
What is a Walk Score®
, Transit Score® & Bike Score?
Walk Score® measures the walkability
of any address. Transit Score®
measures access to public transit. Bike Score®
measures bikeability of a location.®
  • Listing ID: 28336704

  • Date on Market: 2026-01-20

  • Last Updated:

  • Address: 4201 Main St, Houston, TX 77002

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