Building a Deck on a New Construction Home: What to Consider

Highlights from this Article:

• The earliest you should schedule a deck quote on a new construction home is once Tyvek is up — but waiting until the exterior is fully finished gives a much clearer picture of what you’re working with.
• You need a certificate of occupancy before a deck contractor can apply for a zoning approval or building permit. That typically means waiting until after closing.
• New construction soil is disturbed soil. Footings need special attention, and the relationship between your deck builder and your landscaper matters more than most homeowners expect.
• HOA requirements apply in virtually every new subdivision — and if you’re one of the first homes in the development, the builder may still be running the HOA during the Declarant Control Period.
• Getting HOA approval does not mean you’ve satisfied your builder’s warranty requirements. These are two separate things, and conflating them is a costly mistake.
• Think carefully about the long game: a deck that fits your life today may not fit your life in five years. The best time to plan for a gas line, a future pergola, or aging-in-place access is before the deck goes in.

Skip down to the FAQs.

Moving into a brand-new home is one of those moments where everything feels full of possibility. The lot is a blank canvas. A deck feels like the natural next step. Building a deck on a new construction home is absolutely doable, and in many ways it’s an ideal time to do it. But new construction introduces a specific set of considerations that don’t come up when you’re replacing an old deck on an established property. Here’s what we’ve learned from building decks on new construction homes throughout Washtenaw County.

When Can You Get a Quote, and When Can Work Begin?

No need to wait until construction is complete to start the conversation. Once Tyvek is up, we can begin discussing the project and work toward a preliminary design and cost estimate. We’ll want to revisit and confirm details once the exterior is finished. We need to see where HVAC condensers, dryer vents, water spigots, electrical meters, and other exterior penetrations are located, since all of these affect both where the deck can attach and what obstacles exist within the deck footprint. The ledger connection also can’t be fully evaluated until exterior cladding is on. Basement windows are easy to overlook at the quoting stage but matter for natural light, and a walk-around of the nearly-finished home sometimes changes a homeowner’s thinking on placement or design.

One courtesy worth extending: if the builder still has active crews on site, ask for the builder’s permission before arranging for your deck contractor to visit.

As for when installation can actually begin: not until you have your certificate of occupancy (CO). The CO is issued after the final municipal inspection of the home, typically around or after closing. Without it, a deck contractor can’t apply for the zoning approval or building permit needed to start work. The best move is to engage your deck contractor during the construction phase so the design and quote are ready to go the moment the CO is in hand.

Footings and New Construction Soil

New construction sites involve significant soil disturbance. Excavation disrupts natural compaction, and disturbed soil needs time to settle, which carries real implications for deck footings. Footings set in disturbed soil, or that don’t reach undisturbed native soil below, risk settling unevenly over time. A reputable deck builder working on new construction will account for this, either through ledger attachment (which reduces reliance on soil for structural support) or through footings properly sized and placed to extend below the disturbed zone.

It’s also worth coordinating with your landscaper early. The final grade of your yard may change significantly between when the deck is built and when landscaping is complete. Footings that work in the current grade can create problems if significant regrading happens around them later. We’re happy to connect you with landscapers and stonemasons we work with regularly if you’re planning a complete outdoor space.

HOA Approvals in New Subdivisions

Most new subdivisions are governed by an HOA, and virtually all HOAs require approval before a deck is added. What makes new subdivisions slightly unusual is the Declarant Control Period: when a subdivision is new enough that the developer hasn’t yet turned control over to homeowners, the builder effectively runs the HOA. If you’re one of the first households in the development, deck approvals are handled through the builder rather than a formal HOA board. Timelines and processes can be less predictable during this period. Ask your builder’s team directly so you’re not left waiting without knowing why.

Builder’s Warranty vs. HOA Approval

These are two entirely separate things, and conflating them is a costly mistake. The HOA evaluates aesthetics, setbacks, and community standards. Your builder’s warranty is a separate document with its own conditions; it doesn’t care what the HOA approved. Read your builder’s warranty carefully before any work is attached to the house, specifically the sections relating to alterations and additions. A properly flashed and detailed ledger attachment isn’t just better waterproofing; it’s also how you avoid a warranty dispute later.

Beyond the builder’s warranty, the deck itself should carry its own protection. Ann Arbor Decks backs every project with our 10-year workmanship warranty regardless of materials. As a TrexPro Platinum certified installer, we also offer Trex’s extended labor warranty (up to ten years when both Trex decking and railing are installed), which is only available through certified contractors.

Think About the Long Game

New construction is a moment when it’s easy to focus on immediate cost and easy to underweight the long-term math. A pressure-treated wood deck costs less today. It also requires staining every two to three years, is susceptible to the cracking and graying that comes with Michigan winters, and has a shorter replacement cycle. A composite deck costs more upfront, requires almost no maintenance, carries a longer warranty, and typically costs less in aggregate over fifteen or twenty years when you account for maintenance and eventual replacement. We think it’s worth running those numbers before defaulting to the cheapest build.

Design longevity matters too. A blank-canvas backyard won’t stay that way, and the deck you build at move-in should accommodate your life in five or ten years, not just today. A few questions worth sitting with before you finalize:

• What will your backyard eventually look like? Think about where a future patio, play area, or landscaping feature might go, and whether your deck’s footprint will work with that layout or fight against it.
• Is your family growing, or are you thinking about aging in place? Safety, handrail placement, gate locations, and traffic flow are much easier to address in the design than to retrofit later.
• What infrastructure do you want roughed in? A gas line stub-out for an outdoor kitchen, electrical circuits for lighting or a future hot tub, or structural allowance for a pergola: all of these are inexpensive to incorporate during construction and disruptive to add afterward. Now is the time to plan for them.

Frequently Asked Questions

Can I get a quote before the house is finished? Yes. Once Tyvek is up, we can begin the conversation and work toward a preliminary design and estimate. We’ll revisit and confirm the details once the exterior is complete.

Can the deck be built before I move in? Possibly, but not until after you’ve closed and received your certificate of occupancy. If you move quickly on the permit application after closing, there’s sometimes a window to get the deck underway or even completed before you’re fully settled in.

Do I need to tell my builder I’m adding a deck? You should at minimum review your builder’s warranty and understand any requirements around third-party work attached to the house. If the builder’s crews are still active on the lot, a courtesy heads-up before your deck contractor visits is always a good idea.

What if my HOA hasn’t been formally established yet? In subdivisions still in the Declarant Control Period, the builder functions as the HOA. Contact the builder’s team directly to understand the approval process and what documentation they require.

How do I make sure my deck doesn’t void my home warranty? Read your builder’s warranty document carefully, specifically the sections on alterations and additions. Ask your deck contractor how they handle ledger attachment and waterproofing to protect the existing structure. When in doubt, ask the builder directly before work begins.

Plan Early, Build Right

A deck built with your five-year life in mind, on a new construction home with a blank-canvas backyard, is one of the better investments you can make in that property. The planning conversation is worth having before the build, not after.

Book your free estimate today. We serve Ann Arbor, Saline, Dexter, Chelsea, Pittsfield Township, Ypsilanti, and the surrounding Washtenaw County area.

Steps to Building a New Deck in Washtenaw County: What Is the Process?

Highlights from this Article:

• Building a new deck involves several steps, and a good contractor will manage most of them on your behalf.
• Ann Arbor Decks handles the permit application process for every project. You don’t have to navigate municipal offices yourself.
• Permitting timelines vary widely across Washtenaw County municipalities. We factor this into the project schedule from the start.
• If your neighborhood has an HOA, their approval typically needs to come before the municipal permit (something worth knowing early).
• Every Ann Arbor Decks project comes with a timeline at signing so you know what to expect and when.

Skip down to the process overview table or the FAQs.

While most deck builds are not too complicated, the process isn’t just about framing and decking. There’s design work, HOA approval, zoning and permitting, material lead times, inspections, and sequencing to coordinate. Done well, most of that happens in the background and you experience it as a smooth, well-managed project.

This post walks through the process we follow at Ann Arbor Decks for every new build, so you know what to expect before you pick up the phone.

Step 1: Initial Consultation

Every project starts with a free on-site consultation, typically 45 minutes. We come to your home, walk the space with you, and talk through what you’re envisioning (size, materials, railing style, any special features like built-in lighting, a pergola, or an outdoor kitchen area).

We’re also looking at the site itself during this visit: grade, existing landscaping, how the deck will attach to the house, access for equipment and materials, and anything else that affects how the project gets designed and built. A deck that looks simple on paper sometimes has site conditions that require additional planning. We’d rather find those things at the consultation than mid-build.

After the consultation, we put together a written quote with clear, itemized pricing. No vague estimates. You’ll see what you’re paying for.

Step 2: Design and Drawings

Once you decide to move forward, we produce design drawings for your deck in-house. These aren’t rough sketches: they’re the detailed drawings that go to the municipality with your permit application, showing dimensions, framing layout, footing locations and sizes, ledger attachment detail, and railing specifications.

We’ll review your deck design with you first, so you have the opportunity to make adjustments while changes are still easy. This is also when we finalize material selections if you haven’t already.

Step 3: Material Selection

If you haven’t settled on materials by the end of the consultation, the design phase is when we nail that down. The main decisions are decking surface (composite or wood, and which product line), railing system, and any special features. We can walk you through samples and help you think through what suits your home, your yard, and your maintenance preferences.

Material lead times vary. Most standard composite products are readily available, but custom colors, specialty railing systems, or pergola kits may have longer lead times that affect the project schedule. We factor this in when we give you your build timeline.

Step 4: HOA Approval (If Applicable)

If your neighborhood has a homeowners association, their approval typically needs to come before you can apply for a municipal building permit. HOA review processes vary considerably. Some associations turn around approvals in a week or two; others meet only quarterly and require submissions well in advance of their meeting dates.

If you have an HOA, let us know at the consultation. We can provide the drawings and documentation their review board typically requires, but the submission and approval process runs through you as the homeowner. We’ve found it’s worth understanding your HOA’s timeline early, as it can be the longest single variable in the pre-construction phase.

Step 5: Permit Application

Ann Arbor Decks handles the building permit application for every project. You don’t need to visit municipal offices or navigate the application yourself. We take care of it.

If you need Ann Arbor historical permissions, that is something you would need to obtain first. We can assist you in any way possible.

Washtenaw County encompasses many Townships and municipalities, and permitting timelines vary more than most homeowners expect. The City of Ann Arbor, Saline, Dexter, Chelsea, Pittsfield Township, Ypsilanti, and the surrounding townships each have their own building departments with their own review processes and workloads. Some turn permits around in a week or two; others can take considerably longer, particularly during the busy spring and summer building season.

A few things that affect permitting in this area:

• Zoning setbacks vary by municipality. How close your deck can be to a property line, easement, or structure depends on local zoning rules. Where possible, we obtain zoning approval before submitting your permit, so there are no setback surprises after the permit is filed.
• Deck drawings must meet Michigan Residential Code requirements. Our in-house drawings are prepared with code compliance in mind, which helps avoid revision requests that delay permit issuance.
• Permit fees vary by municipality and project scope. These are passed through to you at cost, plus our administrative fees. The permit costs will be clearly broken out for you on your contract.

Step 6: Site Preparation

Once the permit is in hand, we can more exactly schedule your project start date. If there’s an existing deck or structure being removed, demolition and debris hauling happens first. We handle all of that, including proper disposal of any pressure-treated lumber, which Michigan requires be taken to an authorized facility rather than placed in regular trash.

We also arrange to have Miss Dig mark utility lines before any digging begins. In Michigan, this means we call MISS DIG (dial 811) to have underground utilities located and flagged. This is a legal requirement before any excavation and a step we take seriously. Hitting an unmarked utility line is dangerous and costly. When flags show up in your lawn, you’ll need to leave them be until we remove them for you.

Step 7: Footings and Framing

This is the structural core of your deck, and it’s where the quality of a build is really established, even though most of it ends up hidden once the decking goes down.

In Michigan, deck footings must extend below the frost line, which is 42 inches. This prevents the freeze-thaw cycle from heaving posts out of the ground over time (a common cause of deck instability on improperly built structures). We pour concrete footings to the required depth and allow appropriate cure time before framing begins. The inspector will come out to approve the size, position and depth of the holes (the ‘footings inspection’).

Framing involves setting posts, installing beams and joists, and attaching the ledger board to the house. If your deck is ledgered (not all decks are attached), this ledger connection is one of the most structurally critical details in any attached deck, and we take care with both the attachment method and the flashing that protects your home’s rim joist from water intrusion. A ledger that allows water behind it is a slow-motion problem that doesn’t show up until significant damage has already occurred.

Depending on your municipality, a framing inspection may be required before decking can be installed. Where required, we schedule and coordinate this inspection.

Step 8: Decking and Railing Installation

With framing complete and inspection passed, decking boards go down. Hidden fastener systems (which leave a clean surface with no visible screw heads) are standard on most of our composite installations. Stair construction, if your deck includes stairs, happens during this phase as well.

Railing installation follows. Whether you’ve chosen cable, glass, aluminum balusters, or a composite system, this is when the deck starts to look finished. We pay attention to detail at this stage (consistent spacing, plumb posts, secure connections) because the railing is both a safety system and one of the most visible design elements of the finished deck.

Step 9: Final Inspection

A final building inspection takes place before the permit is closed out. An inspector from the local building department visits the site and reviews the completed deck against the approved permit drawings and applicable code requirements, like stair riser heights, stair widths, and stair handrail requirements. We schedule and coordinate this inspection for you.

Once final inspection is passed, the permit is closed and the deck is officially yours to enjoy.

The Process at a Glance

Frequently Asked Questions

Do I need a permit to build a deck in Washtenaw County? In virtually all cases, yes. Any attached deck (and most freestanding decks above a certain size) requires a building permit in Washtenaw County municipalities. Building without a permit creates problems when you sell your home and can result in costly remediation if the unpermitted structure is discovered. Ann Arbor Decks handles the permit application for every project we build.

How long does the whole process take from first call to finished deck? It varies by project, but the permitting phase is usually the longest variable. Once a permit is in hand, the active build time for your specific deck is something we are happy to provide. We also coordinate with you on your expected project start date, staying in good communication as the project approaches.

What if my HOA rejects the design? We work with you to adjust the design to meet HOA requirements and resubmit. Most HOA rejections involve aesthetic concerns (materials, colors, or height) that can be addressed without fundamentally changing the project. The important thing is to start the HOA process early so a revision doesn’t significantly delay the overall timeline.

What is MISS DIG and why does it matter? MISS DIG is Michigan’s underground utility notification service. Before any digging begins, Michigan law requires contractors to contact MISS DIG (by dialing 811) so that underground utilities (gas, electric, water, communications lines) can be located and marked. We handle this as a standard part of every project requiring digging, before excavation starts. MISS DIG won’t cover sprinkler lines, so we do ask that you have your landscaper move those before we start work, if possible.

Why do footings need to go 42 inches deep? Michigan’s frost line (the depth at which the ground freezes in winter) is 42 inches. Footings that don’t extend below the frost line are subject to frost heave, where freezing and thawing soil pushes the footing (and the post above it) up and out of position over time. This leads to decks that become unlevel, unstable, or structurally compromised. Frost-depth footings are required by code and are simply the right way to build in Michigan.

Can I start using my deck before the final inspection? Technically the deck isn’t permitted for occupancy until the final inspection is passed and the permit is closed. We schedule final inspections promptly at project completion. There’s no reason for this step to take long once the work is done.

Ready to Get Started?

If you’re thinking about a new deck, the best first step is a conversation. Our free on-site consultations are no-pressure, take about 30 to 45 minutes, and give you a clear picture of what your project would involve. We then follow up with a written quote and a realistic timeline.

Book your free estimate today. We serve Ann Arbor, Saline, Dexter, Chelsea, Pittsfield Township, Ypsilanti Township, and the surrounding Washtenaw County area.