How long does building a new deck typically take?

A straightforward deck build usually runs one to two weeks once permitting is done, depending on size and material. Larger decks, multi-level designs, or built-in features like benches and railings add time. Weather delays are also more common here than in drier climates, so we build some flexibility into the schedule.

What should I ask a contractor before hiring them to build a deck?

Ask whether they pull permits and handle inspections as part of the job, what fastener and hardware grade they use, and whether they'll walk you through footing and ledger flashing details rather than just showing you decking samples. A contractor who can explain what's happening below the boards, not just what material sits on top, is usually the one worth hiring.

Do you install a specific composite decking brand?

We work with well-established composite and PVC decking lines rather than pushing one brand, since the right choice depends on your budget, color preference, and how the product handles moisture and UV exposure. We'll go over the honest trade-offs of the options available rather than steering you toward whatever earns the highest margin.

What's the real difference between composite and PVC decking?

Composite decking blends wood fiber with plastic, giving it a more natural look and feel but slightly more susceptibility to moisture absorption at cut edges over time. PVC is fully synthetic, completely non-absorbent, and generally the lowest-maintenance option, though it typically costs more and can have a more plastic appearance depending on the line. Both outperform untreated wood in a wet climate.

Does being close to the water in Custer really change how a deck should be built?

Yes — the salt content in coastal-influenced air accelerates corrosion on standard hardware faster than it would further inland, which is why we use stainless or coated fasteners and connectors rated for that exposure. It also means drainage and ledger flashing details matter even more here, since driving rain off the water finds gaps that a calmer inland climate wouldn't test as hard.

Deck Building in Custer: Built for Coastal Whatcom Weather

Building a Deck in Custer Means Building for the Weather First

Custer sits close enough to the water and to Blaine's coastal weather patterns that a deck here takes a different kind of beating than one built twenty miles inland. Salt-laden air, long stretches of driving rain, and a moss season that seems to start earlier every year all work on wood, fasteners, and framing in ways that show up as soft spots, rust streaks, and slick surfaces if the build wasn't done with that climate in mind. A deck that looks the same on paper in Custer as it would in Spokane will not perform the same way after five Whatcom County winters.

This page is about deck building specifically for Custer homes — what the local climate demands, what a correctly built deck actually involves under the decking boards, and why a crew that already works this area builds differently than one passing through.

What Salt Air, Rain, and Moss Actually Do to a Deck

Salt Air and Metal

Custer's air carries enough marine moisture and salt that standard fasteners, brackets, and hardware corrode faster here than they would further from the coast. Rust doesn't just stain the wood around a screw head — it weakens the connection itself over time, and a corroded joist hanger or ledger bolt is a structural problem, not a cosmetic one.

Driving Rain

Rain that comes in sideways off the water finds every gap in flashing, every unsealed end cut, and every spot where a board was face-screwed without a proper gap for drainage. Water that gets trapped between a deck and the house wall, or pools on top of a ledger board, is the single most common cause of rot damage we see in decks that were otherwise built with decent lumber.

Moss Season

Northwest Washington's moss season runs long, and a deck surface that stays shaded or doesn't drain well will grow moss on top of the boards, not just in the yard. Beyond looking bad, wet moss holds moisture against the decking material and turns a walking surface slick and dangerous, especially on stairs.

Choosing Decking Material for a Custer Home

There's no single "best" decking material — there's a best material for your budget, your maintenance tolerance, and how exposed your deck is to weather. Here's how the common options actually compare once you factor in this climate.

Material	Upfront Cost	Maintenance	Moisture/Salt Resistance	Typical Lifespan
Pressure-Treated Wood	Lowest	Annual cleaning, periodic re-sealing	Good if sealed and maintained; fasteners need to be corrosion-rated	15–20 years
Cedar	Moderate	Regular sealing to hold color and resist rot	Naturally rot-resistant but softer; needs upkeep near salt air	15–25 years
Composite Decking	Higher	Occasional washing; no sealing or staining	Very good; doesn't absorb moisture like wood	25–30 years
PVC Decking	Highest	Lowest; wash only	Excellent; fully non-absorbent	25–30+ years

For a lot of Custer homeowners, composite or PVC decking earns its higher upfront cost by removing the maintenance burden that wood carries in this climate — no annual sealing, no re-staining after a wet winter, no watching for soft spots. Wood is still a legitimate choice if you're comfortable with the upkeep and like the look and feel of real lumber underfoot; it just needs to be sealed on a schedule and inspected honestly, not just when it starts to look bad.

What's Under the Boards Matters More Than What's On Top

Footings and Framing

A deck is only as good as what's holding it up. Footings need to be set below frost depth and sized for the actual load of the deck, and framing lumber needs to be rated for ground contact or exposed use depending on where it sits relative to soil and moisture. Cutting corners here doesn't show up on day one — it shows up as a bouncy deck or a leaning post a few years in.

Ledger Flashing

The ledger board — the piece that attaches the deck to your house — is the single most common source of hidden rot damage in Pacific Northwest decks. If it isn't flashed correctly to shed water away from the house wall, driving rain works its way behind the ledger and rots both the ledger and the house framing behind it, often for years before anyone notices from the outside. Correct ledger flashing isn't optional trim work; it's the difference between a deck that protects your house and one that slowly damages it.

Board Spacing and Drainage

Proper gapping between deck boards lets water drain through instead of pooling on the surface, which matters more in a climate with as much rainfall as Whatcom County sees. Boards installed too tight look clean on install day and trap water and debris within a season.

Fasteners and Hardware in a Salt-Air Environment

This is one of the most overlooked parts of deck building, and it's where Custer's proximity to the water actually changes the materials list. Standard galvanized fasteners can start showing corrosion within a few years in a coastal-influenced environment. We build with stainless steel or high-grade coated fasteners and hardware rated for the exposure the deck will actually see — not just what's cheapest at the hardware store. The same goes for joist hangers, post bases, and any structural connectors: corrosion-resistant hardware costs more up front and is not a place to save money on a Custer build.

Permits and Whatcom County Considerations

Most deck builds above a certain height or attached to the house require a permit, and inspection points typically cover footings, framing, and the ledger connection before decking goes down. Requirements can vary depending on your specific property and whether Custer's location falls under county jurisdiction for your address, so we handle the permit process as part of the job rather than leaving homeowners to sort it out. Skipping permitting on a deck that requires one can create real problems later — at resale, at insurance time, or if something needs repair down the line.

Our Process for a Custer Deck Build

On-site assessment — we look at sun exposure, drainage, soil, and how close the deck will sit to salt-influenced air or standing moisture.
Material and design conversation — honest trade-offs between wood and composite/PVC based on your budget and maintenance appetite, not a sales pitch toward whatever we have in stock.
Permitting — we pull what's required and coordinate inspections so nothing gets built that has to be torn out later.
Footings and framing — set to depth and load, with lumber and hardware rated for the actual exposure.
Ledger flashing — done correctly, every time, because it protects the house as much as the deck.
Decking installation — proper gapping, correct fastening pattern, clean stair and rail work.
Final walkthrough — we go over maintenance expectations honestly, based on the material you chose.

Maintaining a Deck Through Custer's Wet Season and Moss Season

Whatever material you choose, a little seasonal attention keeps a deck performing for its full lifespan instead of needing early repairs.

Sweep debris off the deck surface regularly through fall so it doesn't trap moisture against the boards
Rinse or wash the surface periodically to slow moss and algae growth, especially on shaded sections
Check fastener heads and hardware once a year for early signs of rust or loosening
Keep gutters and downspouts near the deck clear so runoff isn't dumping extra water onto the structure
For wood decks, re-seal on the schedule the product calls for — don't wait until it visibly needs it
Watch for soft spots near the ledger board or post bases, the two places rot shows up first

Why a Crew That Already Works in Custer Makes a Difference

A deck builder who works this specific stretch of Whatcom County has already seen what salt air does to five-year-old hardware, which slopes hold water longest through the rainy season, and where moss takes over first on a north-facing deck. That's not something you get from a general contractor building decks in a dry climate half the year. Building here means designing for the weather from the footings up, not adding weatherproofing as an afterthought once the framing's already done.

If you're planning a new deck or replacing one that's showing its age, we'd be glad to take a look and talk through what makes sense for your property. Reach out for a free, no-pressure estimate using the form below.