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Historic Multi-Suite Office Building
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122-124 N Federal, Mason City, IA 50401

SINGLE_FAMILY - MASON CITY, IA

Space Size1,450 SF - 5,183 SF
Property Size16,665 SF
Days on Market195

Property Features for 122-124 N Federal

General Information

Property type Residential
Property subtype Office
Zoning Z3 - General Urban Distri
Subdivision Northwest
Standard status Active
Size 16,665 SF

Taxes and HOA fees

Tax Description Lots 1-2 & N 44' L 4 SUB L1 Blk 10 Paul Felts Plat
Legal Description Lots 1-2 & N 44' L 4 SUB L1 Blk 10 Paul Felts Plat

Utilities

Cooling system Central Air

Amenities

rooftop solar units
solar power system
new windows
new entrance doors
new membrane roof
new stairwells/fire escape renovations

Building Details

Year built 1912
Floors in Building 3
Building materials Brick Veneer
Architectural style Historical, Other
Listing Agency: CENTURY 21 PREFERRED · Century 21 Real Estate
Listed By: ROGER FLIETH · License #107
Added: Feb 16 Changed: Aug 10 Last Checked: Aug 30 at 12:06AM
MLS# 260086

Copyright © 2026 Greater Mason City Board of Realtors. 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 office property offers 16,665 square feet of leasable space within a three-story building constructed in 1912. Recent improvements include new windows and exterior entrance doors throughout, a new membrane roof, renovated stairwells and fire escapes, and a rooftop solar array with solar power system. The building is constructed with brick veneer and equipped with central air.

Available configurations include two main-level office suites, including a 1,450-square-foot unit and a 2,317-square-foot unit. The second floor provides a 3,487-square-foot executive suite with six offices. On the third floor, the former historic Elks Club Ballroom contains 3,820 square feet plus a 1,363-square-foot mezzanine. The property is located at 122-124 N Federal in downtown Mason City, at the corner of North Federal and 2nd Street NW, and is zoned Z3 - General Urban Distri.

Key Highlights

  • 16,665 square feet of leasable office space across three stories
  • 1912 historic building with brick veneer construction
  • Main‑level suites measure 1,450 square feet and 2,317 square feet

Property Analytics

Current Use

Office Units

Suggested Use

Top Pick Real Estate Agency Dental Office Grocery & Convenience Store Skin Care Clinic Bakery Barber Shop

Score = modeled unmet demand for each use within ~1 mi (higher = bigger opportunity). Zoning and permitted uses should be independently verified with local authorities.

Lease Details

Multi-tenant
Tenancy
NNN (Triple Net)
Lease Type

Location Intelligence

Trade Area within ½ mile

1,083
Businesses Nearby

Demographics for 50401, IA

28,981
Population
14,746
Households
2
Avg Household Size
43
Median Age
22%
College-Educated
94%
High-School Grad
148.2 sq mi
ZIP Area
196
Density / Sq Mi
$63,807
Median Household Income
$38,929
Median Earnings
$868
Median Rent
$134,100
Median Home Value

Market

Lease Benchmarks for Mason City, IA

$75.34 /SF/Yr
Avg Asking Price
$7.86–$225 /SF/Yr
Price Range
11,781 SF
Avg Space Size

Vacancy Rate% for Office in Midwest region

13.7% 2019
15.6% 2020
17.1% 2021
18.9% 2022
21% 2023
22% 2024
21.3% 2025
Rey
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Frequently Asked Questions

What type of property is this?
Office units - Leasing opportunities span three upgraded levels in a historic downtown Mason City property.
Where is this office units located?
The property is located at 122-124 N Federal Mason City, IA.
What are key features of this property?
This property features: 16,665 square feet of leasable office space across three stories; 1912 historic building with brick veneer construction; Main‑level suites measure 1,450 square feet and 2,317 square feet
More about this property
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