Thornton, CO Office Units for Rent & Lease

Updated: Jul 16

Office Unit with Professional Buildout

13691 Colorado Boulevard, Thornton, CO 80602

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1,190 sqft

1,190 SF office unit with an existing professional buildout
Former Edward Jones office space
Signalized intersection at E. 136th Ave. and Colorado Boulevard
22,052 vehicles per day pass through the surrounding retail corridor
Nearby King Soopers, with Walgreens and Starbucks adjacent

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Updated: Nov 24, 2025

Thornton Office Space Available

500 East 84th Avenue, Thornton, CO 80229

$16.50 SF/Yr

Furnished call center offers a plug and play opportunity.
Features drive‑in/dock high loading.
Large, flexible floorplates to suit your needs.
Ample parking available.
Benefit from highway visibility.

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Commercial Space For Lease

9351 Grant Street, Thornton, CO 80229

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Commercial space available for lease in Thornton, Colorado.

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Based on your search, we've compiled 11 Potential Opportunities for your consideration. Besides 3 Active listings in Thornton, CO, we suggest exploring alternatives. Consider Similar 4 Spaces in Nearby Cities, and Similar 4 Properties for Sales.

Office Units for Lease in Nearby Cities

Here are 4 Similar Spaces we found in Nearby Locations for your consideration.

Remodeled Professional Office Suites

11172 Huron Street Unit: 22, Denver, CO 80234

$650-$850/Mo

Private upper-level offices in a two-story building with shared conference, kitchen, lobby, and sitting-area amenities.

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Office Suite with Large Parking Lot

Denver, CO 80233

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1,809 sqft

First-floor office suite with a reception/waiting area, large open flex space, one private office, and ample on-site parking.

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Freestanding Flex Space with Yard

10795 Irma Dr, Northglenn, CO 80233

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4,000 sqft 0.81 AC lot

I-2-zoned property combines office space, warehouse area, and secured outdoor storage.

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Office and Warehouse Space Available

11450 Cherokee St, Northglenn, CO 80234

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Office and warehouse space with drive-in door, available soon.

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Similar Spaces for Sale in Thornton, CO

Consider Similar Space for Sale. We found 4 Spaces matching your search parameters.

New-Build Small-Bay Flex Building

12295 Pennsylvania Street, Thornton, CO 80241

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10,000 sqft

Self-contained commercial units combine warehouse utility with dedicated office and business infrastructure.

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Flex Space with Drive-In Door

12295 Pennsylvania St, Unit 3, Thornton, CO 80241

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1,079 sqft

Office, showroom, warehouse, and lobby areas support a versatile commercial layout.

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Flex Space with Drive-In Door

12295 Pennsylvania St, Unit 2, Thornton, CO 80241

Contact for pricing

944 sqft

Built-out commercial unit combines office, lobby, showroom, warehouse, and a private ADA restroom.

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One-Level Office Condo For Sale

8801 Fox Dr 3, Thornton, CO 80260

$280,000

0.16 AC lot

One-level office condo in Thornton, CO. Owner carry available.

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Thornton, CO Office Units Lease Rates & Market Statistics

Explore 3 Office Units for lease in Thornton, CO on Realmo, a commercial real estate exchange covering the Thornton area. The current inventory totals 1,190 square feet of properties.

Office Units lease rates in Thornton range from $16.50 SF/Yr at the entry level to $16.50 SF/Yr at the top of the market, averaging $16.50 SF/Yr. Pricing across the market is relatively uniform, which simplifies like-for-like comparison between listings. The local average of $16.50 SF/Yr is 15% below the Colorado state average of $19.38 SF/Yr.

Office Units are one of the more limited space types in Thornton, with just 3 listings currently available — a scarcity worth factoring into lease negotiations.