19 Office Spaces for Rent in O'Fallon, IL

Find the best O'Fallon, IL office space among 19 for rent listings currently on the market.

Green Mount Corporate Center

475 Regency Park, O'Fallon, O'fallon, IL
Property

Office

52,370 SF
Availability

1 Space

1,894 SF
Year Built

2008
For Lease

$17.00/SF/YR
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Blade Building

1405 North Green Mount Road, O'Fallon, O'fallon, IL
Property

Office

57,000 SF
Availability

1 Space

12,000 SF
Year Built

2016
For Lease

$28.00/SF/YR
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50 West Office Building

821 West Highway 50, O'Fallon, O'fallon, IL
Property

Office

36,525 SF
Availability

1 Space

3,380 SF
Year Built

2021
For Lease

$29.00/SF/YR
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734 Cambridge Blvd

734 Cambridge Blvd, O'Fallon, O'fallon, IL
Property

Office

4,555 SF
Availability

1 Space

3,400 SF
For Lease

$13.00/SF/YR
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1197 Fortune Blvd

1197 Fortune Blvd, O'Fallon, Shiloh, IL
Property

Office

8,568 SF
Availability

1 Space

7,084 SF
For Lease

$22.00/SF/YR
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1716 Corporate Crossing

1716 Corporate Crossing, O'Fallon, O'fallon, IL
Property

Office

12,363 SF
Availability

1 Space

6,000 SF
For Lease

$15.00/SF/YR
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791 Wall St

791 Wall St, O'Fallon, O'fallon, IL
Property

Office

4,000 SF
Availability

2 Spaces

4,000 SF
For Lease

$19.50/SF/YR
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1413-1415 West Hwy 50

1413-1415 West Hwy 50, O'Fallon, O'fallon, IL
Property

Office

4,950 SF
Availability

3 Spaces

3,668 SF
For Lease

$21.00 - $29.65/SF/YR
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801 W State St

801 W State St, O'Fallon, O Fallon, IL
Property

Office

6,472 SF
Availability

1 Space

6,472 SF
Year Built

1995
For Lease

$15.00/SF/YR
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800 E Highway 50

800 E Highway 50, O'Fallon, O Fallon, IL
Property

Office

24,000 SF
Availability

2 Spaces

24,000 SF
For Lease

$10.00/SF/YR
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121 South Main St

121 South Main St, O'Fallon, Shiloh, IL
Property

Office

8,000 SF
Availability

5 Spaces

8,000 SF
For Lease

$22.00/SF/YR
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187 Auto CT

187 Auto CT, O'Fallon, O Fallon, IL
Property

Retail

3,104 SF
Availability

1 Space

3,104 SF
Year Built

1989
For Lease Contact for pricing
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Lakepointe Center

715 Lakepointe Centre Dr, O'Fallon, O Fallon, IL
Property

Retail

15,600 SF
Availability

1 Space

1,381 SF
For Lease

$13.00/SF/YR
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1660 Essex Way

1660 Essex Way, O'Fallon, O Fallon, IL
Property

Office

6,300 SF
Availability

4 Spaces

608 SF
Year Built

1998
For Lease

$750.00/SF/YR
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104 Regency Park

104 Regency Park, O'Fallon, O'fallon, IL
Property

Office

2,750 SF
Availability

1 Space

2,750 SF
For Lease

$5,200.00/MO
View Details (opens in new window)

Frequently Asked Questions

Asking prices vary based on the property location, rating, amenities such as proximity to restaurants, cafes, and entertainment venues, as well as convenience of access to public transport, airports, and thoroughfares.

The minimum rental rate for office space in O'Fallon is $10 per square foot. Among listings of office space currently available for lease in O'Fallon, the maximum rental rate is $29.65 per square foot.

Most experts recommend an average of between 75 and 150 square feet of office space per person. However, it is important to keep in mind that how much office space you ultimately need depends on your activity and how you need to use the space, as much as it does on how many people it should accommodate. If you already know what size office would best suit your needs, use the available space size filter at the top of the search page to focus your search on the best fit for you.

You’ll find a home for almost any size of business in O'Fallon, as the local office market offers a wide range of options. Office spaces currently on the market go up to as much as 17,000 square feet in size for an individual listing.
However, there is a variety of differently sized opportunities below that maximum. For your consideration, the median size of an office space for lease in O'Fallon is 2,000 square feet, and the average office space size here is 3,940 square feet.

You can find 19 office listing(s) for lease in O'Fallon, which add up to a total of 83,256 square feet. Availability on the market includes a variety of office use types, such as General Office, Medical Office, Restaurant.

The most common office use type currently available for lease in O'Fallon is General Office, which is offered in 9 or 47.37% of listings. The second-most frequent office use type listed here is Medical Office, which account for 5 or 26.32% of office space currently available.

You can search 3 office sublease listing(s) in O'Fallon, which amount to a total of 20,978 square feet. Sublease opportunities on the market include General Office, Medical Office, Restaurant.

The best choice of neighborhood for your office space will greatly depend on the elements that are most relevant to your business and your employees. However, a good criterion to start with is to look at the areas of the city that have the highest concentration of office properties, as these areas are generally well connected to transit options and have a good degree of amenity availability.

Each individual’s commuting experience will of course be different depending on a number of factors. Check the location description details for the office listings that catch your eye, to get an overview of walkability, access to public transport, the quality of infrastructure dedicated to biking commuters, as well as the proximity to parking facilities, fuel stations, and other essential amenities.

The O'Fallon office market incorporates a mix of properties of various ages, ratings, construction grades, and other quality indicators. Roughly 5.26% of total office space listings in the city are in properties rated Class A. Class B office space accounts for 10.53% of spaces listed on the leasing market. Class C office space makes up 5.26% of office space available in O'Fallon.

Buildings completed in and since the year 2000 account for 21.43% of office properties in the city and incorporate a total of 145,895 square feet.

There are, of course, a lot of things to factor in when you are looking for office space. Aspects including the accessibility of the location, the quality of the facility, the size of the space, the convenience of nearby amenities, the type and duration of the lease, and of course the cost are all part of the search and decision process. For a quick checklist of what you should take into account when researching the market, consider these seven tips for choosing the best office location for your business. Alternatively, for a comprehensive take on everything to consider when looking for office space, see our in-depth guide to finding office space for small or growing companies. The guide also includes insights from seasoned professionals and can serve as a helpful resource for growing companies, no matter their current size.

Are you looking to lease office space in the vicinity of your current location or in a particular neighborhood of O'Fallon? Using the interactive map, you can easily navigate to your preferred location and customize your search area around a specific point of interest. Select “Radius” from the Search Mode options menu, click on the map to set your search reference point, and expand the radius to select your desired search area. Browse available listings to find the best office space that meets your location, as well as other business needs.

O'Fallon, IL Office Inventory Breakdown

There are a number of factors that make a city attractive for businesses to relocate or expand, as well as for investors to enhance their portfolios through local acquisitions. Among the most important factors to consider are the size and quality of the local office market, which is an essential component of the local economy.

Total Office Space in O'Fallon: 391,495 Sq. Ft.

In 2024 the O'Fallon office market encompassed 391,495 square feet of space.
Class A office space makes up a 32.57% share of O'Fallon office inventory, while Class B office assets represent roughly 48.87% of the market total.

O'Fallon Office Market Breakdown by Building Size
Building Size Range	Total Square Feet	Share of Total Office
50k to 100k Sq. Ft.	179,870 Sq. Ft.	45.94%
100k to 500k Sq. Ft.	102,417 Sq. Ft.	26.16%

O'Fallon Office Market Breakdown by Building Quality Rating
Class	Total Square Feet	Share of Total Office
Class A	127,500 Sq. Ft.	32.57%
Class B	191,312 Sq. Ft.	48.87%
Class C	72,683 Sq. Ft.	18.57%

Data was provided by CommercialEdge, refers to properties larger than 50,000 square feet.

19 Office Spaces for Rent in O'Fallon, IL

Green Mount Corporate Center

Blade Building

50 West Office Building

734 Cambridge Blvd

1197 Fortune Blvd

1716 Corporate Crossing

791 Wall St

1413-1415 West Hwy 50

801 W State St

800 E Highway 50

121 South Main St

187 Auto CT

Lakepointe Center

1660 Essex Way

104 Regency Park

Frequently Asked Questions

O'Fallon, IL Office Inventory Breakdown

Total Office Space in O'Fallon: 391,495 Sq. Ft.

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19 Office Spaces for Rent in O'Fallon, IL

Frequently Asked Questions

How much does office space cost in O'Fallon, IL?

How much office space do I need?

What types of office space can I lease in O'Fallon, IL?

Can I find sublease office space in O'Fallon, IL?

Where is the best location for office space in O'Fallon, IL?

How long is the average commute to work in O'Fallon, IL?

Where can I find the highest quality office space in O'Fallon, IL?

How do I find the best office space in O'Fallon, IL?

How can I find office space for rent near me?

O'Fallon, IL Office Inventory Breakdown

Total Office Space in O'Fallon: 391,495 Sq. Ft.

Other Popular Searches

Popular Coworking Searches

About us