
Madison County · Roughly 45 miles from our Imperial shop
Decks & Railings in Alton, IL
Outdoor living spaces designed for Missouri weather and your lifestyle.
Decks & Railings for Alton homeowners
From simple platform decks to multi-level outdoor living spaces with pergolas, lighting and built-in seating, MDR Build designs and constructs decks that look great and last decades. We're certified installers for Azek and TimberTech composite systems.
Alton sits in Madison County — a river-bluff city on the Great River Road. Roughly 45 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
- On-site design consultation with material samples
- Permits, footings and inspections handled in-house
- Hidden fasteners and premium railing systems
- Optional pergolas, lighting, screen rooms and built-in benches
- Manufacturer-backed warranties up to 50 years
Materials we build with
Recent decks & railings work
Projects our crews completed around Greater St. Louis and Eastern Missouri.






Alton, IL · Decks & Railings
Decks & Railings questions from Alton homeowners
Does MDR Build do decks & railings in Alton, IL?+
Yes. Alton, IL is part of our regular service area — a river-bluff city on the Great River Road, and roughly 45 miles from our imperial shop from our shop in Imperial, MO. Outdoor living spaces designed for Missouri weather and your lifestyle.
What decking materials do you install in Alton?+
We build with pressure-treated lumber, cedar, capped composite and PVC — including Azek and TimberTech lines — plus aluminum, cable and composite railing systems. On Alton lots with slope or walk-out grade we detail footings, framing and stair runs for the terrain rather than forcing a stock layout.
Who pulls the permits for decks & railings in Alton?+
We do. Permit requirements and inspection steps are set by your local Madison 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 Alton permit office.
How do I get a decks & railings estimate for my Alton home?+
Call (314) 706-2721 or send a request through our contact page. We come out to the property in Alton, 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 Alton project you approve is the project you pay for.
Do you use subcontractors on Alton projects?+
Our own crews carry the core of the work, building with lines we stock and stand behind such as Azek, TimberTech, Pressure-treated pine, Cedar. 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 decks & railings in Alton? Call (314) 706-2721 or request a free estimate.
