Ahern Fire Protection Expands In Iowa With New Mason City Office

Fond du Lac, WI, May 26, 2026 – Ahern is proud to announce the opening of its new office in Mason City, Iowa, further expanding the company’s presence in the state and reinforcing its commitment to providing high-quality fire protection and life safety solutions to customers across the region.

The new Mason City office supports Ahern’s continued growth in Iowa and enhances its ability to serve customers with responsive, local expertise. Ahern provides a full range of fire protection and life safety services, including fire sprinkler systems, special hazard suppression, fire alarm systems, inspections, maintenance, repair, and related support services.

The Mason City district will operate under the leadership of John Finn, General Manager for Ahern Fire Protection in Des Moines, Iowa. Finn oversees both the Des Moines and Mason City districts, with a focus on delivering high-quality fire protection and life safety systems and services.

John Finn is a seasoned operations leader with extensive experience in team leadership. Prior to joining Ahern in a leadership capacity, he built a strong foundation in manufacturing over more than two decades, primarily at Pella Corporation, a leading manufacturer of windows and doors.

“The opening of our Mason City office reflects Ahern’s commitment to investing in the markets we serve and delivering dependable, high-quality fire protection solutions closer to our customers,” said John Finn, General Manager, Ahern Fire Protection. “We look forward to building strong relationships in the Mason City area and supporting customers with the expertise, responsiveness, and service they need to protect their people and property.”

With the addition of the Mason City office, Ahern is well-positioned to support commercial and industrial customers throughout northern Iowa with trusted fire protection expertise backed by the resources of a long-established contractor.

J. F. Ahern Co. is a mechanical and fire protection contractor specializing in HVAC, Plumbing, Controls, Sprinkler, Extinguisher & Alarm and Fabrication for construction and service projects. Founded in 1880, the company has over 1,900 employees servicing commercial and industrial customers across the United States. To keep up with the latest company news and events, visit jfahern.com or follow us on Facebook or LinkedIn.