43 Office Spaces for Rent in Longmont, CO

Find the best Longmont, CO office space among 43 for rent listings currently on the market.

380 Main Street, 2nd Floor

380 Main Street, 2nd Floor, Longmont, CO
Property

Office

8,500 SF
Availability

1 Space

8,500 SF
For Lease

$700.00 - $1,995.00/MO
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713 3rd Avenue

713 3rd Avenue, Longmont, CO
Property

Office

1,556 SF
Availability

1 Space

1,556 SF
Year Built

1910
For Lease

$20.00/SF/YR
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Longmont Medical Campus

1551 Professional Lane, Longmont, CO
Property

Office

105,139 SF
Availability

3 Spaces

16,555 SF
Year Built

2001
For Lease

$18.00/SF/YR
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665 Frontage Road

665 Frontage Road, Longmont, CO
Property

Flex Space

31,584 SF
Availability

1 Space

1,928 SF
Year Built

1979
For Lease

$13.50/SF/YR
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2929 17th Ave

2929 17th Ave, Longmont, CO
Property

Office

6,175 SF
Availability

1 Space

1,200 SF
Year Built

1980
For Lease

$14.00/SF/YR
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1375 Ken Pratt Blvd

1375 Ken Pratt Blvd, Longmont, CO
Property

Office

16,613 SF
Availability

2 Spaces

5,463 SF
Year Built

1993
For Lease

$15.00/SF/YR
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CO, Longmont - Terry St
Regus
350 Terry Street #200, Longmont, CO
Services

Virtual Office

Open Workspace

Private Office

Dedicated Desk
Amenities

24/7 security

Access to global network

Business lounge

Cleaning services

Ergonomic furniture

Lounge area

Mail services

Money-back guarantee

Office furniture

Receptionist/Secretarial services
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1055 17th Ave

1055 17th Ave, Longmont, CO
Property

Office

13,462 SF
Availability

2 Spaces

3,397 SF
Year Built

1978
For Lease

$13.50/SF/YR
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601 S Bowen St

601 S Bowen St, Longmont, CO
Property

Office

10,060 SF
Availability

6 Spaces

650 SF
Year Built

1968
For Lease

$48.94 - $7,800.00/SF/YR
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1715 Iron Horse Drive, Unit 220

1715 Iron Horse Drive, Suite 220, Longmont, CO
Property

Office

2,676 SF
Availability

1 Space

1,895 SF
Year Built

1999
For Lease

$14.00/SF/YR
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Creekside Business Park

1811 Pike Road, Longmont, CO
Property

Office

257,266 SF
Availability

10 Spaces

140,454 SF
Year Built

1999
For Lease Contact for pricing
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389 Disc Drive

389 Disc Drive, Longmont, CO
Property

Office

519,448 SF
Availability

1 Space

200,000 SF
Year Built

2000
For Lease Contact for pricing
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Longmont Office Evolution
Office Evolution
1079 South Hover Street Suite 200, Longmont, CO
Services

Virtual Office

Open Workspace

Meeting Room
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1236.5 Main St

1236 Main St, Longmont, CO
Property

Office

4,173 SF
Availability

1 Space

2,019 SF
Year Built

1951
For Lease Contact for pricing
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1601 Dry Creek Drive

1601 Dry Creek Drive, Longmont, CO
Property

Office

543,610 SF
Availability

4 Spaces

119,267 SF
Year Built

1982
For Lease Contact for pricing
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The Rose Building

825 Delaware Avenue, Longmont, CO
Property

Office

33,833 SF
Availability

4 Spaces

11,691 SF
Year Built

1984
For Lease

$16.50 - $17.00/SF/YR
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1243 Sherman Drive

1243 Sherman Drive, Longmont, CO
Property

Mixed Use

16,059 SF
Availability

6 Spaces

14,287 SF
For Lease

$14.50/SF/YR
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1241 Kimbark Street

1241 Kimbark Street, Longmont, CO
Property

Office

33,002 SF
Availability

2 Spaces

9,642 SF
Year Built

1965
For Lease Contact for pricing
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2204 18th Ave

2204 18th Ave, Longmont, CO
Property

Office

17,185 SF
Availability Contact for availability
Year Built

2005
For Lease Contact for pricing
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Firstbank Building

1707 Main Street, Suite 301, Longmont, CO
Property

Office

35,009 SF
Availability

1 Space

1,391 SF
Year Built

1973
For Lease

$21.00/SF/YR
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473 Main Street
Experience CoWorking
473 Main Street, Longmont, CO
Services

Virtual Office

Open Workspace

Meeting Room

Private Office

Dedicated Desk
Amenities

High-speed wifi

Kitchen

Office supplies

Printer

Yoga room
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338 Main Street
The Times Collaborative
338 Main Street, Longmont, CO
Services

Open Workspace

Event Space

Meeting Room

Private Office

Dedicated Desk
Amenities

Complimentary coffee & tea

High-speed wifi

Privacy booths

TV/Monitor

White boards
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148 East Rogers Road

148 E Rogers Rd, Longmont, CO
Property

Retail

950 SF
Availability

1 Space

950 SF
Year Built

1930
For Lease

$2,500.00/MO
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1935 Main Street

1935 Main Street, Longmont, CO
Property

Retail

11,892 SF
Availability

1 Space

5,629 SF
For Lease

$12.00/SF/YR
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900 South Main Street

900 South Main Street, Longmont, CO
Property

Office

3,601 SF
Availability

1 Space

3,601 SF
For Lease

$18.00/SF/YR
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755 Delaware Avenue

755 Delaware Avenue, Longmont, CO
Property

Office

5,079 SF
Availability

1 Space

5,079 SF
For Lease Contact for pricing
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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 Longmont is $10 per square foot. Among listings of office space currently available for lease in Longmont, the maximum rental rate is $21 per square foot.

For more details on Longmont office space rent and sales prices, as well as overall market quality and new construction data, see Longmont Office Market Trends.

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 Longmont, as the local office market offers a wide range of options. Office spaces currently on the market go up to as much as 200,000 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 Longmont is 4,226 square feet, and the average office space size here is 12,812 square feet.

You can find 43 office listing(s) for lease in Longmont, which add up to a total of 538,180 square feet. Availability on the market includes a variety of office use types, such as Flex - Office, Medical Office, Office Building, General Office, Flex Space.

The most common office use type currently available for lease in Longmont is Flex - Office, which is offered in 13 or 30.23% of listings. The second-most frequent office use type listed here is Medical Office, which account for 7 or 16.28% of office space currently available. On the other end of the spectrum, the office use type least common among local listings is Warehouse/Distribution, which is available in 1 listing(s).

You can search 2 office sublease listing(s) in Longmont, which amount to a total of 205,079 square feet. Sublease opportunities on the market include Creative Office, R&D - Office, Warehouse/Distribution.

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 Longmont office market incorporates a mix of properties of various ages, ratings, construction grades, and other quality indicators. Class B office space accounts for 60.47% of spaces listed on the leasing market. Class C office space makes up 30.23% of office space available in Longmont.

Buildings completed in and since the year 2000 account for 17.39% of office properties in the city and incorporate a total of 642,803 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 Longmont? 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.

Longmont, CO 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 Longmont: 4,665,740 Sq. Ft.

In 2024 the Longmont office market encompassed 4,665,740 square feet of space. Out of that total, 1,754,533 square feet were in office properties sized between 500,000 and 1,000,000 square feet. Meanwhile, 719,068 square feet were in office buildings sized between 50,000 and 100,000 square feet.
Class A office space makes up a 17.73% share of Longmont office inventory, while Class B office assets represent roughly 54.9% of the market total.

Longmont Office Market Breakdown by Building Size
Building Size Range	Total Square Feet	Share of Total Office
50k to 100k Sq. Ft.	719,068 Sq. Ft.	15.41%
100k to 500k Sq. Ft.	1,506,501 Sq. Ft.	32.29%
500k to 1M Sq. Ft.	1,754,533 Sq. Ft.	37.6%

Longmont Office Market Breakdown by Building Quality Rating
Class	Total Square Feet	Share of Total Office
Class A	827,076 Sq. Ft.	17.73%
Class B	2,561,496 Sq. Ft.	54.9%
Class C	1,174,868 Sq. Ft.	25.18%

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

43 Office Spaces for Rent in Longmont, CO

380 Main Street, 2nd Floor

713 3rd Avenue

Longmont Medical Campus

665 Frontage Road

2929 17th Ave

1375 Ken Pratt Blvd

CO, Longmont - Terry St

1055 17th Ave

601 S Bowen St

1715 Iron Horse Drive, Unit 220

Creekside Business Park

389 Disc Drive

Longmont Office Evolution

1236.5 Main St

1601 Dry Creek Drive

The Rose Building

1243 Sherman Drive

1241 Kimbark Street

2204 18th Ave

Firstbank Building

473 Main Street

338 Main Street

148 East Rogers Road

1935 Main Street

900 South Main Street

755 Delaware Avenue

Frequently Asked Questions

Longmont, CO Office Inventory Breakdown

Total Office Space in Longmont: 4,665,740 Sq. Ft.

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43 Office Spaces for Rent in Longmont, CO

Frequently Asked Questions

How much does office space cost in Longmont, CO?

How much office space do I need?

What types of office space can I lease in Longmont, CO?

Can I find sublease office space in Longmont, CO?

Where is the best location for office space in Longmont, CO?

How long is the average commute to work in Longmont, CO?

Where can I find the highest quality office space in Longmont, CO?

How do I find the best office space in Longmont, CO?

How can I find office space for rent near me?

Longmont, CO Office Inventory Breakdown

Total Office Space in Longmont: 4,665,740 Sq. Ft.

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Popular Coworking Searches

About us