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Deck contractor · Sammamish, WA

Deck Contractor in Sammamish, WA

Deck repair and new decks, with an honest look at what can be saved first. Soft boards, wobbly railings and a dark line where the deck meets the house usually mean water has reached the joists or the ledger. We check the whole structure first, repair what can be saved and rebuild what cannot, with flashed ledgers, taped joists and posts that stay dry. We serve homeowners across Sammamish and nearby Redmond and Bellevue.

Licensed, bonded & insured · 24-Month Workmanship Warranty · Free on-site estimate
Before: Worn entry stairsBefore
After: Rebuilt stairs with new railingAfter

Rebuilt stairs with new railing

Sammamish homes

Why deck repair comes up so often in Sammamish

Big decks are standard on Sammamish homes, and many built in the 1980s and 90s are now at the age where joists, beams and ledgers are failing. Shade and moss keep surfaces wet, and the plateau’s colder winters add freeze-thaw stress to boards and stairs. We regularly find soft ledger connections, rotted post bases and loose railings. Our crew replaces damaged framing, flashes the ledger properly, and rebuilds stairs and guardrails. For new decks, we design for large lots and wooded views, using cedar or composite decking over framing built for damp, shaded conditions.

Sammamish is largely a 1980s through 2000s city, built out across the plateau above Lake Sammamish. Pine Lake, Klahanie and Beaver Lake neighborhoods are full of large two-story homes with tall walls, steep roofs and big attached decks, usually sided in cedar, hardboard or early fiber cement. Sahalee homes around the golf course tend to be larger and more custom. Along the East Lake Sammamish slope and in Inglewood you find older lake cabins next to newer view homes. Many lots are generous and heavily treed, with decks stepping down toward wooded backyards and greenbelts.

The plateau sits several hundred feet above Lake Sammamish, so Sammamish often gets colder winter nights and more snow than the lowlands nearby. That means more freeze-thaw cycles on decks, stairs and siding. Dense evergreens shade many homes for much of the day, and with long stretches of rain, wood stays damp from fall through spring. Moss grows quickly on roofs and deck boards. On the lake-facing slope, homes also catch wind coming up from the water, which drives rain into west walls.

Our crew comes out from our Woodinville office, and we also work in nearby Redmond, Bellevue, Woodinville and Kirkland.

Warning signs

When to call about deck repair in Sammamish

  • Railings that wobble or are below code height
  • Rusted hangers, nails or bolts
  • A gap or dark stains where the deck meets the house
  • Posts that are cracked or sit directly on soil or concrete
  • Boards that flex, crack or feel soft
Our process

Our deck repair process, step by step

1

Walk the deck together

We check boards, joists, posts, ledger and railings and tell you honestly what can be saved.

2

Clear plan and price

A written scope with materials, photos and price before anything starts.

3

Permits when needed

We tell you if the project needs a permit and handle the details.

4

Build it right

Proper footings, hardware and ledger flashing so the deck stays solid.

5

Finish and clean up

Rails, trim and finish, then we clean the site and haul the debris.

Our work

Recent deck repair projects near Sammamish

See all projects →
Deck stairs and railing
Composite deck and black railing
Deck stairs and railing

What we do in Sammamish

New composite decks

Low-maintenance composite boards with hidden fasteners and modern rails.

Full deck rebuild

New framing, footings and hardware when the structure is past saving.

Ledger flashing

The flashing between deck and house that keeps the wall from rotting.

Deck repair

Replace soft boards, rotted joists and loose railings, and re-secure the ledger.

Covered decks

Roofed sections so you can use the deck through the rainy months.

Stairs and railings

Solid stringers and treads and code-height railings.

Local know-how

Neighborhoods and permits in Sammamish

Pine Lake and Beaver Lake homes sit under thick tree cover, so fascia, deck boards and north walls take most of the damage. Klahanie’s 1980s and 90s homes often have hardboard siding nearing the end of its life. Around Sahalee, larger custom homes have more complex rooflines and more flashing joints to fail. On the East Lake Sammamish slope, view decks and west walls get direct wind and rain off the lake.

Minor matching repairs to boards or trim are usually handled without paperwork. Bigger decks, framing work and whole-wall siding jobs tend to need approval first. We reach out to the City of Sammamish during the estimate stage, so you know what to expect, and our team handles applications and inspection visits if a permit applies.

Compare

Decking materials for our wet climate

DeckingTypical life hereCare it needsFeel and look
Pressure-treated pineAbout 15 years, more with regular careWash and seal every 2–3 yearsClassic wood that weathers to grey
CedarAround 15–20 years with careClean and re-stain every 2–3 yearsWarm color, soft natural grain
Composite25 years or moreRinse and wash a couple of times a yearWood-look boards, no splinters
PVC30 years or moreRinse and wash a couple of times a yearLight, cool underfoot, resists stains
Pricing

What deck repair typically costs in Sammamish

ProjectTypical scopePrice rangeTimeline
Deck repairReplace boards, a railing section or stairs on solid framing$1,500 – $5,0001–3 days
Small new deckAbout 150–250 sq ft, one level, simple railing$12,000 – $22,0001–2 weeks
Medium new deckAbout 250–400 sq ft, stairs and composite boards$20,000 – $38,0002–3 weeks
Large or multi-level deck400+ sq ft, multiple levels, cover or premium railing$38,000 – $70,000+3–5 weeks

These are typical 2026 ranges we see for deck repair in Sammamish and nearby cities. Your price depends on what we find once the area is open, access and height, and the materials you choose. Every estimate is free, in writing and based on an on-site inspection with photos.

Guide

Deck contractor in Sammamish: cost and timing

Most common causes

Posts sitting in water

Posts buried in soil or set flat on concrete wick water up and rot from the base.

Ledger without flashing

Water runs behind the board that ties the deck to the house and rots both the ledger and the rim joist.

Old hardware

Rusted nails, hangers and bolts lose their hold, which makes railings and stairs loose and unsafe.

What drives the price in Sammamish

Deck work in Sammamish is priced by size, height, the condition of the framing and the materials you choose. Replacing boards and railings on solid framing costs much less than a full rebuild, and composite costs more up front than wood but saves on upkeep. After the free inspection you get a written price with options.

Typical timeline

Board and railing repairs usually take a few days. A full rebuild or new deck typically takes one to three weeks, plus any permit time.

Warranty

Backed by a 24-month workmanship warranty

Written scope

You know exactly what is included before work starts, with photos of what we found.

Our own crew

The people who quote your job are the people who do it, start to finish.

Clean site daily

Debris is hauled away and your yard is left the way we found it.

24 months covered

If our workmanship fails within two years, we come back and make it right.

Reviews

What homeowners near Sammamish say

“I'm really happy with how the deck repair turned out. They replaced the damaged boards, reinforced the deck, and gave it a fresh new stain. Everything looks great, feels much sturdier, and honestly looks so much better now. Really happy with the work! Really…”
RR
Retha R.
Google review · Oct 2026
“Alex and his team did an amazing job helping us bring our long-planned dream deck to life. They were professional, clean, and respectful throughout the entire project, and they completed the work right on schedule. Communication was excellent from start to…”
RR
Ravi R.
Google review · Aug 2026
“Great Company, Made the whole process easy for us, from getting everything planned out to finishing the deck. They kept us in the loop along the way, showed up when they said they would, and did really solid work. We're very happy with the finished deck and…”
AC
Andy C.
Google review · Aug 2026

5.0 average from 106 reviews on Google, Thumbtack, Angi, HomeAdvisor and Yelp. Read our reviews on Google.

FAQ

Questions Sammamish homeowners ask about deck repair

My Sammamish home has original hardboard siding. Should I repair or replace it?
It depends on how many boards have failed. If the damage is limited, we replace the bad sections and repaint. If swelling and softness are widespread, full replacement with fiber cement is often the better long-term choice. We inspect, photograph and give you a written estimate for both options.
Do you build composite decks in Sammamish?
Yes. We build with composite decking on treated framing with joist tape, hidden fasteners and composite or metal railings.
Do I need a permit for deck work in Sammamish?
New decks and most structural rebuilds need a permit. We tell you if your project needs one and handle the details.
How long does a deck project take?
Repairs often take a few days. Rebuilds and new decks usually take one to three weeks, depending on size, permits and weather.
Can you replace just the railing or stairs?
Yes. Railings and stairs are common standalone jobs, and we check the framing they attach to while we are there.
Can you add a cover to my deck?
Yes. A covered section lets you use the deck through the rainy months, and we plan drainage and flashing so it does not create new leaks.
Free estimate

Tell us about your deck repair project in Sammamish

  • Licensed, bonded & insured
  • Free on-site estimates
  • 24-month workmanship warranty

Tell us what needs repair

Tell us what you're seeing. We usually reply the same day.

Book a free deck repair inspection in Sammamish

We inspect the damage on-site, show you photos of what we find and give you a written price before any work starts.

Get a Free Estimate