Large multi-level composite deck with white cable railing and wide stairs built by Capitol Decks in Sun Prairie WI

Deck Construction

Custom Deck Construction in Sun Prairie & Madison, WI

From a simple backyard platform to a multi-level outdoor living space with built-in seating, we design and build custom decks engineered for Dane County frost depths and Wisconsin freeze-thaw cycles.

  • 10+ Years Experience
  • Licensed & Insured
  • Free Estimates
  • Locally Owned & Operated

What's included with deck construction

  • Free on-site design consultation and 3D layout ideas
  • Frost-depth footings and code-compliant framing
  • Cedar, pressure-treated, composite, and PVC decking options
  • Permit coordination with Sun Prairie and Dane County offices

Local craftsmanship, start to finish

Jesus Rincon has spent more than ten years in the trade, and Capitol Decks is owned and operated right here in Sun Prairie. Every deck construction project starts with a free on-site visit, a written itemized estimate, and a clear schedule — then a crew that shows up, cleans up, and walks the finished job with you.

We handle permits with Sun Prairie, Madison, and Dane County offices, build to current code, and work in English or Spanish. Ask about how deck construction pairs with composite deck installation for a complete outdoor living space.

Deck Construction across Dane County

We provide deck construction in Sun Prairie, Madison, Middleton, Waunakee, Verona, Fitchburg, Stoughton, DeForest, Cottage Grove, Windsor, Oregon, McFarland, Columbus and surrounding communities within 60 miles of Sun Prairie.

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Get a Free Estimate

Ready to start your project?

Free, itemized estimates across Sun Prairie, Madison, and Dane County. Call or send a few details and we'll get back to you.