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    Historic Downtown Office Building Title is generated by Realmo AI

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

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    For Lease
    $1.00 SF/Yr $1,388/Mo (calc)

    COMMERCIAL - Other - Mason City, IA

    Property size:
    16,665 SF
    Added:
    Feb 16, 2026
    Days on Market:
    127
    Last Refresh:
    Jun 23 at 1:06 am

    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

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    Listing Contact
    Roger Flieth
    Roger Flieth

    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.

    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
    • Multiple leasing options: Unit 122 (1,450 SF) for $950/mo with kitchenette and his/hers half baths
    • Additional suites include Unit 124 (2,317 SF total; $1,950/mo) and Suite 9 on 2nd St NW (3,487 SF; $2,950/mo)
    • Landlord pays gas, electric, and water for several suites; tenant pays utilities for Unit 122

    Overview

    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.
    Property Profile Location Intelligence

    Current Use by Public Records

    Office Units

    Suggested Use

    Real Estate Agency Restaurant Law Firm Spa & Massage Center Dental Office Hair Salon Nail Salon Building Supply Auto Repair Shop Gym & Fitness Center

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

    Location Insight

    • Map
    • Local Demand
    City
    Mason City
    County
    Cerro Gordo
    State
    Iowa
    Longitude
    -93.20133
    Latitude
    43.153429

    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 is the lease rate?
    The lease rate is $1.00 SF/Yr.
    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
    More about this property
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