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Historic Downtown Office Building

122-124 N Federal Avenue Mason City, IA 50401

122-124 N Federal Avenue, Mason City, IA, 50401
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COMMERCIAL - Other - Mason City, IA

Property Size16,665 SF
AddedFeb 16
Days on Market149
Last RefreshJul 15 at 7:06 pm

Property Features for 122-124 N Federal Avenue

General Information

Property type
Commercial Lease
Property subtype
Other
Parking features
On Street
Standard status
Active
APN
070923500400

Taxes and HOA fees

Tax Year
2024
Tax Description
For Lease Only. Lots 1-2 & N 44' L 4 sUB L1 Blk 10 Paul Felts Plat.
Tax Annual Amount
1

Utilities

Heating system
Forced Air
Cooling system
Central Air
Water source
Public

Building Details

Year built
1912
Number of units
4
Building materials
Brick
Architectural style
Other

Listing agent Roger Flieth License #B43478

Listing office Century 21 Preferred 2800 4th SW Ste 3, Mason City, IA

Listing date Feb 16, 2026

MLS# 6335631

Copyright © 2026 NoCoast MLS. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.


Investment Insights

Based on property information with market context.

This historic three-story office building in downtown Mason City offers multiple leasing configurations across the main and upper levels. The property has undergone major upgrades, including brand new windows and exterior entrance doors throughout, a new membrane roof, renovated stairwells and fire escapes, and a rooftop solar and solar power system. Available spaces include two main level office suites as well as larger second and third-floor options, including suites with reception areas and additional upper mezzanine space.

The building is situated on a corner location on North Federal and 2nd Street NW. Leasing options listed include a ground floor three-room suite with a kitchenette and his-and-hers half baths, plus additional multi-room suites on the main level and executive-sized second floor space with six office rooms and a reception area. A third-floor configuration is also available featuring former ballroom space with an included mezzanine.

These suites are well suited for office tenants seeking turn-key, upgraded space with flexible floorplan options, ranging from smaller ground-floor rooms to larger second-floor and third-floor layouts. Landlord terms vary by suite, including whether utilities are tenant-paid or landlord-paid, and the landlord indicates openness to negotiating rent for tenant leasehold improvements.

Key Highlights

  • Historic 3‑story brick building offering 16,665 SF of leasable space in downtown Mason City
  • Major upgrades include brand‑new windows and exterior entrance doors, plus a new membrane roof
  • Rooftop solar and a solar power system included

Property Analytics

Property Profile Location Intelligence

Current Use by Public Records

Office Units

Suggested Use

Real Estate Agency Dental Office Grocery & Convenience Store Skin Care Clinic Bakery Barber Shop Pharmacy (Bike/Boat/Book/etc) Store (Bike/Boat/Book/etc) Store (Bike/Boat/Book/etc) Store

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

FAQs

What type of property is this?
Office units - Upgraded three-story office building offers multiple suites with kitchenette and reception space options for professional users.
Where is this office units located?
The property is located at 122-124 N Federal Avenue Mason City, IA.
What are key features of this property?
This property features: Historic 3‑story brick building offering 16,665 SF of leasable space in downtown Mason City; Major upgrades include brand‑new windows and exterior entrance doors, plus a new membrane roof; Rooftop solar and a solar power system included
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