Mulcahy Construction: Your Trusted Builder in Windsor, WI

For over 37 years, Mulcahy Construction has been a trusted name for building and protecting homes across South Central Wisconsin. As a family-run business based right in Windsor, WI, they understand the local climate, from heavy snow loads to summer storms, and how they affect roofs, siding, and windows. They work on both residential projects and small commercial builds, bringing reliability and deep local knowledge to every job.

Business Overview

Mulcahy Construction is a full-service contractor focused on quality and clear communication. While they are not a 24/7 emergency service, they are known for being responsive and efficient with scheduled projects and necessary repairs. Their team of experienced professionals handles everything from new home builds to exterior updates, ensuring each project meets high standards.

Key Services for Homeowners

Whether you’re in a classic Madison neighborhood or building a new home in Sun Prairie, Mulcahy Construction offers a wide range of services to maintain and improve your property.

• Roofing & Exteriors: Installation, repair, and replacement of roofs, gutters, and all types of siding including vinyl, aluminum, and durable cement board.
• New Construction & Additions: From custom single-family homes and modular builds to guest houses (ADUs) and room additions.
• Window Installation: Featuring quality Alliance Windows to improve energy efficiency.
• Decks & Basements: Creating functional outdoor living spaces and finishing basements for extra room.
• Seasonal Care: Snow plowing services to keep driveways clear during Wisconsin winters.

Areas Served

Mulcahy Construction proudly serves a wide area around their Windsor, WI home base. This includes Madison, Sun Prairie, Fitchburg, Middleton, Beaver Dam, Waunakee, Verona, Stoughton, and dozens more communities across Dane and Columbia counties. Their extensive local experience means they understand the common architectural styles and building needs in our region.

Company History

Founded in 1987, Mulcahy Construction, Inc. started with a simple goal: to do honest, quality work for neighbors in Windsor, WI and the surrounding counties. Over three decades later, that commitment hasn’t changed. They’ve grown by focusing on residential and small commercial projects, building a reputation for durability and craftsmanship that stands up to Wisconsin weather.

Leadership & Local Presence

As a family-owned operation, the leadership at Mulcahy Construction is hands-on. The owners and project managers are directly involved, bringing decades of combined construction experience to the field. They are a local business you’ll see around town, invested in the community’s growth and the longevity of the homes they work on.

Specialties & Highlights

What makes Mulcahy Construction stand out?

• Long-Term Experience: 37+ years in business means they’ve seen and solved almost every construction challenge.
• Quality Products: They use trusted materials like Mastic Siding and Alliance Windows for lasting results.
• Full-Service Capability: From the ground up on a new home to replacing siding or building a deck, they handle it all.
• Fully Insured: Providing peace of mind and protection for every client.

Why Locals Choose Mulcahy Construction

Homeowners and business owners in the Windsor, WI area return to Mulcahy Construction for their consistent quality, straightforward approach, and deep roots in the community. They are not a fly-by-night operation; they are a local fixture you can count on to be there for the long haul. When you need construction, roofing, or siding work done right, Mulcahy Construction in Windsor, WI delivers reliable service backed by nearly four decades of local trust.