
Monroe County · Roughly 25 miles from our Imperial shop
Sunrooms in Waterloo, IL
Enjoy the view year-round with a custom sunroom addition.
Sunrooms for Waterloo homeowners
Add usable living space and natural light with a sunroom built and finished to match your home. Choose from three-season screen porches to fully insulated four-season rooms with HVAC.
Waterloo sits in Monroe County — the Monroe County seat. Roughly 25 miles from our Imperial shop, so scheduling site visits, material drops and inspections is straightforward. We pull the permits required by your local jurisdiction and coordinate inspections as part of the job.
What's included
- Engineered foundations and structural tie-ins
- Insulated glass and screen system options
- Roofing matched to your existing home
- Electrical, HVAC and finish work in-house
Recent sunrooms work
Projects our crews completed around Greater St. Louis and Eastern Missouri.

Waterloo, IL · Sunrooms
Sunrooms questions from Waterloo homeowners
Does MDR Build do sunrooms in Waterloo, IL?+
Yes. Waterloo, IL is part of our regular service area — the Monroe County seat, and roughly 25 miles from our imperial shop from our shop in Imperial, MO. Enjoy the view year-round with a custom sunroom addition.
Can a sunroom be used year-round in Waterloo?+
A three-season room is glass and screen for spring through fall; a four-season room is insulated, conditioned living space you use through a Missouri winter. We walk Waterloo homeowners through both, including foundation, roof tie-in and StruXure or Fenetex options for shade and screening.
Who pulls the permits for sunrooms in Waterloo?+
We do. Permit requirements and inspection steps are set by your local Monroe County jurisdiction, and handling them is part of the job — we submit the paperwork, schedule inspections and meet the inspector on site so you are not chasing the Waterloo permit office.
How do I get a sunrooms estimate for my Waterloo home?+
Call (314) 706-2721 or send a request through our contact page. We come out to the property in Waterloo, IL, measure, talk through materials and layout, and put a written scope and price in front of you. Estimates are free and there is no obligation.
How is pricing handled?+
Everyday fair pricing — no gimmick promotions or countdown discounts. You get one written number for the scope we agreed on, with allowances spelled out, so the Waterloo project you approve is the project you pay for.
Do you use subcontractors on Waterloo projects?+
Our own crews carry the core of the work. Licensed specialty trades — electrical, plumbing, mechanical — are brought in where the code requires a licensed installer, and we coordinate and inspect their work.
Still have a question about sunrooms in Waterloo? Call (314) 706-2721 or request a free estimate.
