Gaithersburg, Maryland · Side-by-side

Deck Builders vs General Contractors in Gaithersburg, MD: which one do you actually need?

A short, honest decision rule, then top-rated firms of each in Gaithersburg. No paid placements.

3 deck builders ranked 3 general contractors ranked Updated October 2026

The short answer: Freestanding deck on footers: deck builder. Ledger-attached deck with a roof and electrical: probably a GC.

Deck builders design and construct wood, composite, and PVC decks, pergolas, and outdoor living spaces, plus repair and refinishing of existing structures.

General contractors manage full home additions, renovations, and remodels, kitchens, baths, basements, and whole-house projects.

Hire a deck builder when…

Hire a deck builder when the project is a standalone deck, pergola, or screened porch with no structural tie-in to the house foundation.

Top-rated deck builders in Gaithersburg

  1. Nevins Construction
    https://www.nevinsconstruction.com/deck-builder/elkton-md/
  2. TrueDecks
    https://truedecks.com/
  3. Serrano Master Decks LLC
    https://serranomasterdecksllc.com/

See all deck builders in Gaithersburg →

Hire a general contractor when…

Hire a general contractor when the deck is part of a larger addition, requires structural engineering, or involves roofing over the deck space.

Top-rated general contractors in Gaithersburg

  1. H&C Construction
    https://hcconstructionllc.com/rockville-md/
  2. GAC Services
    https://gacservices.com/
  3. MLM Home Improvement
    https://mlmhi.com/

See all general contractors in Gaithersburg →

Quick decision rule

Freestanding deck on footers: deck builder. Ledger-attached deck with a roof and electrical: probably a GC. If your job sits squarely on one side of that line, you only need one trade. If it crosses, get a quote from each and let them tell you who owns which piece.

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