Serving Seattle to Mount Vernon — free on-site estimates
Deck contractor · Mount Vernon, WA

Deck Contractor in Mount Vernon, 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 Mount Vernon and nearby Stanwood and Arlington.

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

Mount Vernon homes

Why deck repair comes up so often in Mount Vernon

Decks on valley-facing lots around Mount Vernon get steady wind and rain and rarely dry out between fall and spring. Older decks near downtown were often built without modern hangers, lateral connectors or ledger flashing. Decks in Skagit Highlands are now old enough that joist tops and ledger boards are starting to fail. We replace rotted framing, add proper hardware, flash the ledger and resurface with cedar or composite. When repair isn’t worth the cost, we design and build a new deck that fits the house and lot.

Mount Vernon’s housing runs from early 1900s homes to brand-new subdivisions. The older streets around downtown and up the hill toward Hillcrest have Craftsman bungalows, older two-story homes and mid-century houses with wood siding, porches and original trim. West Mount Vernon, across the river, has older ramblers and split-levels on flat lots. Since the 1990s, growth has pushed east and south, with subdivisions on Little Mountain and in the master-planned Skagit Highlands featuring fiber cement siding, treated or composite decks and two-story designs. Farmhouses and rural homes surround the city across the Skagit Valley floor.

Mount Vernon sits on the Skagit River in the middle of a wide, flat valley, and wind moves across it freely. Long wet winters keep exposed walls soaked for months, and whichever side of the house faces the prevailing storms takes the worst of it. Cold air sometimes pushes down the valley in winter, bringing hard freezes that crack caulk and paint. Fog rising off the river and farmland keeps decks and lower siding damp, while homes on the hillsides catch the wind directly.

Our crew comes out from our Woodinville office, and we also work in nearby Stanwood, Arlington, Marysville and Lake Stevens.

Warning signs

When to call about deck repair in Mount Vernon

  • Railings that wobble or are below code height
  • Stairs that bounce or have loose treads
  • Posts that are cracked or sit directly on soil or concrete
  • Boards that flex, crack or feel soft
  • A gap or dark stains where the deck meets the house
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 Mount Vernon

See all projects →
Composite deck with covered section
New entry stairs
New entry stairs

What we do in Mount Vernon

Stairs and railings

Solid stringers and treads and code-height railings.

Covered decks

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

New composite decks

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

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.

Full deck rebuild

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

Local know-how

Neighborhoods and permits in Mount Vernon

Downtown and the older blocks near Hillcrest have older homes whose original trim and porches hide rot under paint. Skagit Highlands and Little Mountain are newer and higher, with more wind exposure and construction flashing defects. West Mount Vernon sits on flat ground across the river, where older ramblers deal with damp crawlspaces. East Mount Vernon mixes older homes and newer infill on rolling ground.

Inside city limits, permits go through the City of Mount Vernon, while rural homes nearby fall under Skagit County. Minor in-kind repairs may not need one, but framing work, decks and large re-siding projects typically will. Some areas near the river carry floodplain considerations, so we verify what applies to your address with the city before any work begins.

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 Mount Vernon

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 Mount Vernon 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 Mount Vernon: cost and timing

Most common causes

Ledger without flashing

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

Tops of joists staying wet

Water sits on top of joists under each board. Without joist tape, the framing rots long before the decking looks bad.

Old hardware

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

What drives the price in Mount Vernon

Deck work in Mount Vernon 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 Mount Vernon say

“I hired Eco Home Repair to fix my front steps and landing, which had become badly rotted and unsafe. Alex was fantastic to work with from start to finish with great communication, clear expectations, and always responsive. The project included decking…”
SB
Steven B.
Google review · Apr 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
“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

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

FAQ

Questions Mount Vernon homeowners ask about deck repair

Why do older Mount Vernon homes have so much hidden rot?
A lot of the older housing stock around Hillcrest and the river has original wood trim and siding that has been painted over many times. The paint can look fine while the wood underneath is soft. Long valley winters keep that wood wet for months. We probe every suspect area during inspection and show you photos of what we find.
Do you build composite decks in Mount Vernon?
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 Mount Vernon?
New decks and most structural rebuilds need a permit. We tell you if your project needs one and handle the details.
Can my deck be repaired or does it need to be rebuilt?
If the posts, beams and most joists are solid, we can usually replace boards, railings and a few joists. If the ledger or framing is rotted, a rebuild is safer. We show you what we find.
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.
Is composite decking worth it?
For many homeowners, yes. It costs more up front but needs no staining, does not splinter and handles our wet seasons well.
Free estimate

Tell us about your deck repair project in Mount Vernon

  • 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 Mount Vernon

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