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A clean, modern finish with lasting durability and minimal maintenance.
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Get a deck up before Castle Rock’s building season slips away. A-DIY delivers professionally engineered wood and composite deck kits curbside to homes across Castle Rock and Douglas County, with framing, decking, footings and hardware in every order and a drill as the only tool you need.
A search for “deck contractors near me” in Castle Rock turns up local and Denver-based crews, and their calendars fill fast once the snow clears. Weigh hiring a deck installer against building from scratch or assembling a DIY deck kit to find the best fit for your yard and budget.
A full-service deck builder takes care of design, the Town permit through eTRAKiT, footings, framing and cleanup. It’s the best fit for attached, raised or sloped-lot decks. Compare written quotes and ask how each crew handles expansive clay soils.
Pick up lumber and hardware from a local yard, then design the deck, size the joists and beams, lay out footings and make every cut yourself. Best for confident builders who own the tools and can draw permit-ready plans.
Smart ChoiceChoose from 15 wood and 9 composite professionally engineered deck kit sizes, delivered to your Castle Rock home with labeled parts, Tuff Block footings and hardware. Build it with a drill or hire local help to assemble it.
I am far from a handyman but the wife wanted a deck in the backyard and I couldn’t see myself dishing out $20,000 for someone to come build it for us. I ended up seeing an ad for this company and was blown away by the price and ease of install. 2 of our neighbours ended up ordering as well!
Engineered for
15,000+ lbs
Assembles in a
few hours
Grade 1 Treated &
Kiln-Dried Lumber
Professional-grade
structural system
5-year structural
warranty
Engineered for
15,000+ lbs
Assembles in a
few hours
Grade 1 Treated &
Kiln-Dried Lumber
Professional-grade
structural system
5-year structural
warranty
Engineered For Lasting Beauty.
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Rich, natural-looking colors designed to deliver the look of wood with a more refined finish.
No sanding, staining, or sealing required
Built to stay beautiful season after season with less upkeep.
Structural, stain & fade warranty on composite boards.
A higher-end option for homeowners who want less maintenance and more convenience.
Homeowners who want the look of wood without the regular upkeep.
Watch real homeowners assemble their DIY deck kits, step by step. See how the pre-engineered components fit together without hiring a contractor.
Built solo in about six hours, six weeks postpartum
A customer assembles a complete A-DIY deck on her own, six weeks postpartum, in about six hours.
Built solo in about six hours, six weeks postpartum
A customer assembles a complete A-DIY deck on her own, six weeks postpartum, in about six hours.
A 12x20 deck kit that goes together like Lego
A customer assembles the 12 x 20 A-DIY deck kit and compares the process to building a Lego set.
Why we finally added a deck
A customer explains why they added a deck to their backyard and which A-DIY kit they used.
A deck built in two days
A customer builds an A-DIY deck over two days and recommends the kit to anyone shopping for a new deck.
Creating a dream backyard with a kit shipped to the door
A customer transforms their backyard with a custom A-DIY deck kit delivered to their door.
A DIY deck walkway for better backyard flow
A customer builds a deck walkway as part of a backyard makeover, to improve how the space connects.
From overgrown patio to deck extension
A customer turns an overgrown patio area into a deck extension using an A-DIY kit.
Almost hired a contractor, built it instead
A customer explains why they chose an A-DIY kit over hiring a contractor to build their deck.
A 16x20 deck that transformed a backyard
A customer builds a 16 x 20 composite A-DIY deck and shows how one project changed their backyard.
A finished deck that looks the part
A customer shares their completed A-DIY deck, chosen because they wanted something that looked beautiful.
Satisfying to assemble, and the result shows
A customer describes assembling their A-DIY deck and the finished result.
A deck kit customized to 18 x 28 feet
A customer customizes an A-DIY deck kit to 18 x 28 feet for their backyard.
A-DIY deck built for the Maker's Mark activation in Orlando
An A-DIY deck assembled on site for the Maker's Mark brand activation in Orlando.
Another finished A-DIY deck
A customer's completed A-DIY deck: fresh lumber and a finished backyard space.
At more than 6,200 feet, Castle Rock sees heavy spring snowstorms, strong sun, dry air and summer hail. Plan for each before you pick decking materials and a foundation.
Built for high-elevation snow and sunCastle Rock averages about 57.5 inches of snow a year, and heavy spring storms can drop wet, dense snow. Applicable A-DIY configurations are engineered to hold up to 15,000 lbs when properly assembled and supported. Shovel with a plastic blade and keep drifts away from the house.
Warm afternoons and cold nights mean frequent freeze-thaw cycles, and clay soils can heave when wet. A-DIY kits assemble 15–17 inches off the ground on Tuff Block footings; check a freestanding deck for level each spring and ask the Building Division about local soils.
Summer hail and fast-drying air are hard on wood. Site the deck where snowmelt drains away from the house, keep board gaps clear and leave airflow under the framing.
Thinner air at elevation means stronger UV. Seal pressure-treated wood every one to two years, or choose Amazon Gray or Forest Wood composite for a surface that never needs staining.
Average yearly snowfall in Castle Rock (NOAA 1991–2020)
Elevation of Castle Rock
Engineered load rating for applicable A-DIY decks
Typical deck-building window in Castle Rock
Castle Rock’s elevation means spring snow can linger, so most decks go up from mid-May through October. Use the winter months to plan, reserve and get your permit in motion.
Choose a size and material, lock in today’s price and gather permit drawings.
Submit through eTRAKiT, ride out spring storms and pick a delivery date.
Dry ground and long days make for an easy weekend build.
Seal wood in early fall and clear debris before the first snow.
A-DIY Reserve: a non-refundable $250 deposit holds today’s price for a future delivery date you choose.
Select an available deck size, pressure treated or composite surface and applicable options.
Confirm the available space, ground conditions, slope, proposed height, drainage and delivery access.
Contact the local building department and select a suitable foundation system for the property.
The coordinated components are delivered to the property.
Complete the assembly yourself or hire a local handyman.
Arrange any inspections or final approvals required by the municipality.
Each A-DIY deck kit arrives as one coordinated system packed in a crate, so the only tool you supply is a drill. The driver bit is included.
Tuff Block footings for a stable, freestanding base.
Heavy-duty 6x6 beams and 2x8 joists spaced 13–14 inches on center.
Pre-sealed 5.5-inch pressure-treated boards or composite boards.
Galvanized, corrosion-resistant screws and brackets, plus the driver bit.
Every component is marked so you know where it goes.
A printed guide plus an online 3D instructional app.
Structural layout, beam and joist sizes and post locations for your permit questions.
Deck specialists by phone and live chat from order to final board.
Kits assemble 15–17 inches off the ground. Add steps, railings or a longer post kit with bracing for a raised deck, or ask about a size that isn’t listed. Our deck specialists will help you plan the right layout for your yard.
An A-DIY deck may be installed over sloped or uneven ground by adjusting the supporting post heights to establish a level deck surface.
Supported configurations may be elevated to approximately 40 inches using the appropriate posts, foundations and bracing.
Depending on the height and configuration, the project may also require:
Depending on the property, configuration and local approval, suitable systems may include:
The Town of Castle Rock lists decks among the home projects that require a building permit, and it reviews footing locations, sizes and depths as part of the plans. Wildfire mapping and HOA rules can add steps, so check with the Town before you order.
Rule of thumb: in the Town of Castle Rock, plan on a building permit for any deck and confirm details with Development Services.
General guidance for Castle Rock-area decks
*The Town of Castle Rock lists decks as projects that require a permit and doesn’t publish a small-deck exemption, so confirm with the Building counter (720-733-3527) before assuming any deck is exempt. The IRC exemption (freestanding, 200 sq ft or less, 30 in. or less above grade) generally applies in unincorporated Douglas County.
Town of Castle RockThe Development Services Building Division reviews deck permits through the eTRAKiT portal. The Town uses the 2024 International Residential Code for submittals made on or after June 30, 2026, with local amendments in Title 15 of the Municipal Code.
Douglas CountyHomes with a Castle Rock mailing address outside town limits are permitted by the Douglas County Building Division, which requires footings at least 36 inches below grade.
Wildfire codeCastle Rock adopted the 2025 Colorado Wildfire Resiliency Code map effective July 1, 2026. Requirements depend on your lot’s fire-intensity class, so ask how they affect deck materials before you build.
Confirm setbacks, HOA approval and whether your lot is in a mapped wildfire area.
Show deck size, height, framing and footing locations, sizes and depths. A-DIY engineering diagrams can help.
Apply online through the Town of Castle Rock eTRAKiT Development Portal.
Book the inspections your permit requires, then enjoy the deck.
Our deck specialists can help you plan size, height and placement before you apply.
Yes. Engineering diagrams for applicable A-DIY configurations show dimensions, structural layout, beam and joist sizes and post locations to support your application. Your department may still ask for a survey, site plan or stamped documents.
Requirements change and can differ between neighboring municipalities. Always confirm current rules with your local building department before you build.
A-DIY ships deck kits by LTL freight to homes throughout Castle Rock, Castle Pines, Larkspur and the rest of Douglas County. The carrier calls ahead to schedule curbside delivery, typically within 10–14 business days.
Compare 15 pressure-treated and 9 composite deck kit sizes, get advice from a deck specialist on your Castle Rock lot, and have a professionally engineered deck kit delivered anywhere in Douglas County.
Coordinated, labeled components with engineering diagrams.
Typically within 10–14 business days.
Phone and live chat support from planning to the final board.
Prefer to talk? Call our deck specialists at 1 (786) 358-2872
