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Class A Office/Warehouse Building

12405 Grant St, Thornton, CO 80241

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For Sale

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Stand-alone Class A office building with integrated warehouse for sale.

Type:Industrial, Office

Property size:

13,500 SF

Price / SF:

$295/SF

HighLights

Premier Class A office building with integrated small warehouse.
Easy access from I‑25 and 120th Avenue.
Unobstructed views of the Front Range.
High visibility for brand recognition.
Proximity to amenities (restaurants, breweries, trails, public transportation).
Newly opened express lane on I‑25 to/from E‑470.

We can help!

Contact an agent

Brit Banks

Learn more

For Sale

Contact for pricing

Stand-alone Class A office building with integrated warehouse for sale.

Type:Industrial, Office

Property size:

13,500 SF

Price / SF:

$295/SF

Added:: Feb 3, 2026
Days on Market:: 144
Last Refresh:: Mar 17 at 1:15 pm

Property Features for 12405 Grant St

General Information

Standard status: Active
Size: 13,500 SF
Property subtype: Industrial, Office

We can help!

Contact an agent

Brit Banks

Listing office Dean Callan & Company Inc

Listing date Feb 3, 2026

Source Crexi

Displayed information is deemed reliable but is not guaranteed and should be independently verified.

All listing content including descriptions, pricing, images are the copyrighted material of Dean Callan & Company Inc

HighLights

Premier Class A office building with integrated small warehouse.
Easy access from I‑25 and 120th Avenue.
Unobstructed views of the Front Range.
High visibility for brand recognition.
Proximity to amenities (restaurants, breweries, trails, public transportation).
Newly opened express lane on I‑25 to/from E‑470.

Overview

Located in the North Metro Denver area, the property at 12405 Grant Street is a stand-alone Class A office building with an integrated small warehouse. This property is suitable for owner-users. The building offers convenient access from I-25 and 120th Avenue. The location provides proximity to amenities such as restaurants, breweries, walking and biking trails, and public transportation at the Wagon Road Park-n-Ride. The property features unobstructed views of the Front Range and high visibility. The newly opened express lane on I-25 to and from E-470 provides an additional benefit. The property contains 13,500 square feet and is intended for commercial real estate, office, warehouse, and industrial use.

Local Financial Insights For Office B

Simulate Cap Rate and NOI

NOI Build-Up

Component	$	$/SF
Gross rent	$356.4k	$26.40
− Vacancy	−$89.1k	−$6.60
EGI	$267.3k	$19.80
− OpEx	−$66.8k	−$4.95
NOI	$200.5k	$14.85

13,500 SF · lease $26.40/SF/yr · vacancy 25.00% · expense 25.00%

Alternative Uses

Best Use

Office B

$2.86M

$2.51M – $3.34M (±1% cap)

NOI $200,475 @ 7.0% cap · market cap 5.02%

Second Best

Warehouse

$1.85M

$1.62M – $2.16M (±1% cap)

NOI $129,738 @ 7.0% cap · market cap 3.25%

Theoretical Best

Office A

$4.04M

$3.54M – $4.72M (±1% cap)

NOI $283,046 @ 7.0% cap · market cap 7.09%

Zoning and permitted uses should be independently verified with local authorities.

Location Intelligence

Current Use by Public Records

Office buildings

Suggested Use

Location Insight

Map
Local Demand

City: Thornton
County: Adams
State: Colorado
Longitude: -104.953
Latitude: 39.929

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For sale
Office buildings
CO
Thornton
80241
12405 Grant St

What type of property is this?

Office building - Stand-alone Class A office building with integrated warehouse for sale.

Where is this office building located?

The property is located at 12405 Grant St Thornton, CO.

What is the asking price?

The asking price for this property is $3,990,000.

What are key features of this property?

This property features: Premier Class A office building with integrated small warehouse.; Easy access from I‑25 and 120th Avenue.; Unobstructed views of the Front Range.