Decks and Porches Cost in Gaithersburg, MD in 2026
Most Decks and Porches projects in Gaithersburg, MD cost between $8,000 and $27,000. The typical price is $14,500.
Labour and materials in Gaithersburg run about 10% above the national average. These figures are adjusted for that, so they are not the national average you will find elsewhere.
What drives the price
- Pressure-treated pine versus composite versus hardwood
- Height off the ground and stair count
- Railing material
- Footing depth required by frost line
Usually included
- Footings, framing and decking
- Railings and stairs
- Fasteners and flashing at the ledger
Usually extra
- Permits
- Under-deck drainage
- Built-in seating or pergola
Unit prices in Gaithersburg, MD
| Quality tier | Cost per sq ft |
|---|---|
| Budget | $27 |
| Mid-range | $48 |
| High-end | $91 |
Deck builders in Gaithersburg, MD
Businesses listed on Google near Gaithersburg, MD. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
TrueDecks
4.9(564 reviews)
100 W Diamond Ave, Gaithersburg, MD 20877
Deck Armor, LLC
4.8(274 reviews)
8520 Dakota Dr, Gaithersburg, MD 20877
Capitol Improvements - Gaithersburg Roofing Company & Siding Contractors
5.0(160 reviews)
7916 Plum Creek Dr, Gaithersburg, MD 20879
Serrano Master Deck, LLC
4.9(137 reviews)
17716 Longdraft Rd, Gaithersburg, MD 20878
FineCraft Contractors, Inc.
4.8(105 reviews)
104 Summit Hall Rd, Gaithersburg, MD 20877
Ayden Construction, LLC
4.9(89 reviews)
9426 Stewartown Rd Unit 3D, Gaithersburg, MD 20879