3501-3509 S Mason Street Fort Collins, CO $ 4,800,000
3501-3509 S Mason Street
$ 4,800,000
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3501-3509 S Mason Street

Fort Collins, CO, 80525
$ 4,800,000
Bedrooms-- Baths-- Sq 24,750

Monthly Estimate*

$ 29,554

Listed by Luke McFetridge
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Commercial Property for sale in Fort Collins, CO

for $4,800,000. This 24,750 square foot building was built in 1972 on a lot size of 1.37.

This rare 24,750 SF flex/retail asset presents a unique opportunity to own a high-quality, well-maintained property in the heart of Midtown Fort Collins. Situated on 1.37 acres just off South College Avenue, this property offers exceptional access, visibility, and long-term upside in one of Northern Colorado's most sought-after markets. The property is comprised of seven individual tenants, each separately metered, allowing for future condo conversion potential. Featuring ten 12-foot roll-up garage doors, 14 bathrooms, and 66 reserved parking stalls, the site is thoughtfully configured to accommodate a wide range of tenants. Recent capital improvements include HVAC and roof upgrades (2020), parking lot resurface (2026) and exterior repaint in 2024. With strong fundamentals, low-maintenance profile, and built-in future flexibility, 3501-3509 Mason Street offers a great opportunity in a premier Fort Collins location.

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Commercial Active

Price

$ 4,800,000

Property Type

Commercial

Taxes

$ 105,985

Style

Lot Size

1.37

Year Built

1972

Town/City

Fort Collins

County/Region

Larimer

MLS | Web ID

2895979

Features
General
Sewer Public Sewer
Utilities Electricity Connected Natural Gas Connected
Zoning commercial
Garage Spaces 0
Exclusions Tenant's trade fixtures and personal property.
Year Built 1972
Electric 220 Volts
Property Subtype Industrial
Tax Year 2025
Current Use Automotive Commercial Event Space Industrial Manufacturing Office Retail Warehouse
Gross Income 531558
County Larimer
Operating Expense 181845
Property Type Commercial Sale
Attached Garage N
Status Active
City Fort Collins
Lot Size Units Acres
Lot Size Square Feet 59677.2
Carport Spaces 0
Listing Terms Cash Conventional
Tax Annual Amount 105985.03
Lease Considered Y/N N
Standard Status Active
Occupancy Type Tenant
Cap Rate 7.29
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Exterior
Total Parking 66
Lot Size Area 1.37
Building Area Total 24750
Lot Size Acres 1.37
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Internal Only
Street Number 1 3501
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* Excluded Features
List By
Luke Mcfetridge

Broker

(970) 325-5125

Phone

Affordability Calculator

$38,387
Per Month
77%
23%
0%
Monthly Principal & Interest
$29,554
Monthly Property Taxes
$8,832
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 6.25% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
242254 Elementary School
242425 Middle School
Unknown High School High School
Pricing History
DatePricePrice ChangeDescription
6/9/2026$4,800,000 Listed Price

Map


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3501-3509 S Mason Street, Fort Collins, CO, 80525 is a Commercial Property for sale at $4,800,000 with 24,750 sqft and a lot size of 1.37. 3501-3509 S Mason Street was built in 1972. The property's zip code is 80525 which is in Fort Collins, CO