Custom Deck Builder in Denver, CO.
As the name implies, Deck Giant builds custom decks — it's one of our core specialties, built to last many seasons in the extremes of the Colorado climate. Whether you want a simple platform off the back door or a multi-level deck built into a sloped yard, we custom design and build each deck to fit the customer's property and specific needs. We thrive in difficult terrain, steep slopes, and complicated projects — no job is too complex.
Deck Giant designs and builds custom decks for homeowners from Denver to the mountain communities of Evergreen and Golden, and everywhere in between — composite, wood, or exotic hardwood like Garapa, in multi-level or single-tier layouts, standalone or paired with a pergola.
DECK + PERGOLA WITH PRIVACY WALL
MULTI-LEVEL CEDAR DECK
Composite, Cedar, Pressure-Treated Pine, or Exotic Hardwood
All four hold up in Colorado — the right choice depends on look, maintenance, and budget.
Whiskey Barrel color Trex with custom metal/wood railing and cedar privacy
Trex & TimberTech
Pros: Extremely low maintenance — no staining or sealing, ever. Resists warping, rotting, fading, and insect damage. Can be built with hidden fasteners, so no screws are visible on the surface.
Cons: Higher upfront cost than wood. Can get hot underfoot in direct sun. If a board is damaged, it typically needs to be replaced rather than sanded out.
Natural cedar stain over cedar deck boards
Western Red Cedar
Pros: Naturally resists insects, moisture, and rot. Rustic look, natural or stained — left unstained, it fades to a silvery grey a lot of homeowners like.
Cons: Costs more than pressure-treated pine, and it's a softer wood — prone to scratches from foot traffic, furniture, or pets. Can be sanded and refinished to remove blemishes.
Unfinished treated pine deck with cedar pergola
Pressure-Treated Pine
Pros: Won't rot and can last for decades, even with direct ground contact. The least expensive lumber option, and easy to paint or stain to match any color.
Cons: Boards tend to warp and bend somewhat as they dry out. Usually minimal and not a structural issue — more aesthetic. Larger lumber sizes and tighter fastening help minimize it.
Garapa deck with custom stain/sealer to enrich color and match cedar pergola
Garapa, Ipe & More
Pros: Naturally resistant to rot, insects, and moisture, with a rich, premium grain. Dense enough to hold up exceptionally well to hail, freeze-thaw cycles, pets, kids, and heavy foot traffic.
Cons: The highest material cost. Heavier and denser, which can add to installation time, and needs occasional oiling to keep its color.
Steep, Rocky & Difficult Terrain
This is where Deck Giant does its best work. Some of our largest builds sit on steep, rocky lots in Evergreen, Conifer, Morrison, and other mountain communities — terrain a standard deck build wouldn't hold. We engineer tall support posts, custom footings, and framing designed to work with the grade instead of fighting it.
On a recent project near Morrison, we built a large second-floor-attached deck straight into a granite hillside — very little soil, mostly solid rock. That meant custom footers embedded directly into the granite with specialized structural attachments in place of standard concrete footings, engineered to carry the deck's full load off the rock itself.
We regularly take on jobs that other contractors would rather pass up — steep grades, rock instead of soil, tricky access, and layouts that take real engineering to get right. Regardless of the difficulty, we can take on and complete just about any deck job.
The same deck, finished — composite decking with a mountain view over the same steep lot
50' x 12' deck attached to the second floor on an extreme slope lot in Morrison, CO — custom footers anchored into the granite
Tall support posts, custom footings, and framing engineered to work with the grade instead of fighting it.
Stepped decks, elevated platforms, and connected structures that tie a yard's changing elevation together.
Footers embedded directly into granite hillsides — the kind of site condition a standard build wouldn't hold on.
What a Deck Costs in Denver
Most homeowners want a number before they want a consultation, so here is ours up front. These are installed starting prices — the final figure depends on size, height, terrain, and the upgrades you choose.
Decks
STARTING PRICE PER SQ FT — FULL INSTALL, VARIES BY DESIGN
A 12×16 ground-level deck in Trex Enhance works out to 192 sq ft — about $8,650 installed before upgrades. A ground-level build sits low enough to skip guardrails and stairs, which is why it lands at the starting rate. On a raised deck, railings and stairs are priced separately, along with stain and lighting. Steep or rocky lots can add cost for taller posts and engineered footings — our Morrison steep-lot cost guide breaks down a real hillside build.
Deck Railing Styles, Stain, Lighting & Upgrade Pricing
See full options and real pricing for deck upgrades on our Upgrades page.
View Upgrades & PricingA Few Denver Decks We've Built
See more in the full gallery.
