HomeHome Additions
Downs Construction LLC

Home Additions

Need more space? We design and build high-quality home additions that match your existing structure and add lasting value to your property.

29+
Years Experience
100+
Additions Completed
100%
Client Satisfaction
$0
Hidden Fees
Addition Types

What We Can Build For You

Room Additions

Extra bedrooms, sunrooms, playrooms — we design and build seamless additions that match your existing home's architecture perfectly.

Second Story Additions

Double your square footage by going up. Our structural engineers ensure a safe, beautiful vertical expansion of your home.

Garage Additions

Attached single, double, or triple car garages that blend seamlessly with your home's exterior and add serious resale value.

In-Law Suites

Private, comfortable living spaces for family or rental income — complete with kitchen, bath, and separate entrance.

Completed home addition
Licensed & Insured
Michigan Contractor
Our Approach

Seamless Additions That Look Like They Were Always There

The hardest part of a home addition isn't building the new space — it's making it look like it was always part of the original structure. That's where our 29+ years of experience shows.

We meticulously match rooflines, siding, trim, and interior finishes. The result is an addition your neighbors won't even notice wasn't always there.

Start Your Addition
Our Process

From Idea to Move-In

01

Design Consultation

We meet on-site, measure carefully, and co-create an addition plan that fits your lifestyle and budget.

02

Permit & Approval

We handle all required permits and local building department approvals so you stay stress-free.

03

Foundation & Framing

Every addition starts with a proper foundation and precision framing that connects cleanly to your existing structure.

04

Finishing & Handover

Insulation, drywall, paint, flooring, trim — we finish to the same standard as the rest of your home, inside and out.

Ready to Add More Space?

We build additions that add genuine value and beauty to your home. Let's talk about your project.