Deck Repair & Rebuilding
A deck's safety depends on connections most homeowners never see — the ledger board bolted to the house, the joist hangers underneath, and the flashing that's supposed to keep water off the ledger. A deck can look solid on the surface while those connections have quietly failed underneath.
Before
AfterWorn entry stairs rebuilt with new railing
Understanding deck repair & rebuilding in older and newer homes
A deck's structural integrity comes down to a handful of connections most homeowners never see or think about — the ledger board bolted to the house rim joist, the joist hangers underneath the decking, and the flashing that's supposed to keep water off the ledger where it meets the house. Decks built or attached without that flashing let water collect at exactly the connection that's carrying the most load, and because it's hidden behind the decking and siding, the damage can progress for years before it shows up as bounce, sag, or a soft spot near the house. A deck can look completely fine from a chair on the surface while the framing underneath has already lost meaningful strength. Because that connection is safety-critical, we treat every deck inspection as a structural check first, not a cosmetic one, and we're direct with homeowners about the difference between a repair and a rebuild.
Signs you may need deck repair & rebuilding
Most homeowners notice one of these first. On their own they can look minor — together, they usually mean water has been getting in longer than it looks.
Noticeable bounce, sway, or movement when walking across the deck is often the first sign that framing connections underneath have loosened or begun to fail structurally.
Rust streaking below fasteners or joist hangers usually means moisture has been sitting against galvanized hardware long enough to start breaking it down.
Soft or spongy decking boards, especially near where the deck meets the house, often trace back to water collecting at the ledger connection rather than a problem with the boards themselves.
Gaps or separation where the deck meets the house wall can let water track directly behind the ledger board and into the rim joist it's bolted to.
Wobbly or loose railings and posts are a safety issue on their own, and often signal that the post base or framing they're anchored into has started to decay.
What causes deck repair & rebuilding to fail
Root cause
The most common structural failure point is the ledger board — the board that attaches the deck to the house — when it was installed without proper flashing or lag-bolted incorrectly, allowing water to sit against it and the rim joist behind it. Undersized joists, missing hardware, and decking installed too tight to shed water also contribute to premature failure in our climate.
How we diagnose it
We inspect the ledger connection, joist hangers, posts, and footings, and check decking boards for soft spots. Where the ledger or rim joist is suspected to have hidden decay, we explain the inspection options — including what's involved in opening up the connection — before doing any work.
How we repair it
Structural inspection
We check the ledger attachment, framing, hardware, and footings against current code requirements, not just how the deck looks.
Identify what actually failed
Not every deck needs full replacement — we distinguish between isolated repairs and a structural rebuild.
Repair or rebuild framing
Ledger flashing, joists, hangers, and posts are repaired or replaced to current safety code, with proper flashing behind the ledger.
Decking, rails, and finish
New decking and railing are installed to spec, and the finished deck is walked through with you before we call the job complete.
Recent deck repair & rebuilding projects
Every deck repair & rebuilding job includes
A written scope before we start, and every one of these as standard — not billed as extras once we're already on site.
A structural inspection of the ledger connection, framing, hardware, and footings, evaluated against current code rather than just how the deck looks.
Correction of ledger flashing wherever it's missing or has failed, since that connection is the most common point of hidden decay on a deck.
Repair or replacement of joists, hangers, and posts to current code, sized and fastened for the load they're actually carrying.
Decking and railing repaired where sound, or fully replaced where decay has gone too far to save the original material.
Code-compliant railing height and baluster spacing on any section we rebuild, even where the original construction predated current safety requirements.
A 24-month workmanship warranty on the structural repair, decking, and railing work performed.
Deck Repair & Rebuilding before & after
Our projectNew deck and railing
Backed by our 24-Month Workmanship Warranty
2 years on repairs; ask about coverage on new installs. Every deck repair & rebuilding project includes a written scope before work begins and photo documentation of what was found and repaired.
What homeowners say about our deck repair & rebuilding
“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 happy with Alex”
“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 finish, and the quality of their work…”
“These guys are amazing. Need a deck rebuilt in a 'difficult area to access' and they knocked it out of the park. Clean, professional and on time. I have also referred them to friends.”
5.0 average from 106 reviews on Google, Thumbtack, Angi, HomeAdvisor and Yelp. Reviews were left for Eco Home Repair LLC, the company behind Goodbye Rot. Read our reviews on Google.
Deck Repair & Rebuilding in the Puget Sound area: what you should know
A deck carries people over open air, so the connections matter more than the boards. In the Puget Sound area, the parts that fail first are the ledger where the deck attaches to the house, the posts where they meet the footings, and the joist ends. All three can rot out of sight while the decking still looks fine.
What causes it
No ledger flashing
Water runs behind the ledger board and rots both the ledger and the house rim joist behind it. This is the leading cause of decks pulling away from houses.
Posts on bare concrete or soil
Post ends wick water and rot from the bottom up unless they sit on a standoff base.
Missing or rusted hardware
Older decks often lack joist hangers, lateral load connectors or through-bolts, or the hardware has rusted.
Water trapped between boards and joists
Without joist tape, water sits on top of each joist under the decking and rots them from the top.
What our deck repair includes
- Inspection of ledger, joists, beams, posts, footings and railings
- Temporary support when framing is replaced
- New treated ledger, through-bolted with flashing tucked under the siding
- Joists in hangers, joist tape, new beams and posts on standoff bases
- Decking in pressure-treated, cedar or composite
- Railings and stairs built to current code
- Permit handling when structural work requires it
How to prevent it
- Keep decking clean so leaves do not trap water
- Re-seal wood decks every two to three years
- Check the ledger and post bases each spring
- Make sure downspouts do not empty onto the deck
- Keep planters off the boards or on raised feet
What affects the cost
Deck cost depends on whether the framing can stay. Replacing a few boards is inexpensive; replacing the ledger, joists or posts is the bigger part of most deck bills. Composite decking costs more up front than pressure-treated or cedar but needs less upkeep. We separate framing and surface costs in the estimate so you can choose.
How long it takes
Board and railing repairs often take a day. Ledger and framing repairs take two to five days. A full rebuild usually takes one to two weeks, plus permit time when a permit is required.
Why homeowners choose Goodbye Rot
We fix the cause, not just the surface. Every deck repair job starts with a free on-site inspection, moisture readings and photos, and you get a written scope and price before work begins. We are licensed, bonded and insured in Washington, and our repairs carry a 24-month workmanship warranty.
Deck services
Deck repair
Rotted joists, ledgers, beams and posts replaced, loose railings fixed, soft boards swapped out. We keep what is sound and rebuild what is not.
Deck replacement
When the framing is past saving, we tear the old deck down to the footings and rebuild it with flashed ledgers, joist tape and new hardware.
New deck construction
New decks designed for your yard and how you use it, from simple ground-level platforms to second-story view decks.
Composite decking
Trex and TimberTech style composite decking that will not rot, splinter or need staining, installed on properly built framing.
Stairs and railings
Code-compliant stairs, landings and railings in wood, aluminum, cable or glass, matched to the deck.
Deck waterproofing
Membranes and walking-surface coatings for decks and balconies over living space, flashed into the wall.
Choosing deck materials for the Puget Sound area weather
| Material | Life in our climate | Upkeep | Look | Cost |
|---|---|---|---|---|
| Pressure-treated wood | 15–20 years with care | Clean and seal every 2–3 years | Wood, greys over time | $ |
| Western red cedar | 15–25 years with care | Clean and stain every 2–3 years | Warm natural wood | $$ |
| Composite (Trex, TimberTech) | 25–30+ years | Wash once or twice a year | Wood-grain colors, no splinters | $$$ |
| PVC decking | 30+ years | Wash once or twice a year | Light, stain-resistant boards | $$$$ |
Whatever the surface, the framing underneath is still wood. In the Puget Sound area we build every deck with treated framing, joist tape on top of each joist, flashed ledgers and posts on standoff bases, because that is what decides how long the deck really lasts.
What a deck project involves
Repair
Replace a few boards, a rotted post or a section of joists, tighten or replace railings. Usually a day or two.
Resurface
Keep sound framing, add joist tape and hardware, and install new decking and railings. Often the best value when the frame is solid.
Rebuild
New ledger, joists, beams and posts on the existing footprint, with new decking and railings. Needed when the framing has rotted.
New custom deck
New design, footings and framing, often with stairs, multiple levels, lighting or built-in benches.
Price depends on size, height off the ground, material, railing type, stairs and access. Second-story decks need taller posts, more hardware and more labor than ground-level decks. We give you separate prices for framing and surface so you can choose where to spend.
Deck safety checklist
- Push on the railing: it should not move at all
- Look under the deck at the ledger: you should see through-bolts and flashing above it
- Check each post base: posts should sit on metal standoffs, not bare concrete or soil
- Probe joist ends near the house with a screwdriver: soft wood means rot
- Look for rust on hangers, nails and bolts
- Check stair stringers where they touch the ground
If any of these fail, the deck should be inspected before heavy use. Our inspection is free.
Deck Repair & Rebuilding questions
How do I know if my deck needs a repair or a full rebuild?
Is my deck's ledger board a common failure point?
Will a rebuilt deck meet current building code?
Do you pull permits for deck work?
You may also need
Structural Repairs
Studs, sills, and framing replaced where rot reached the bones.
Structural Repairs detailsBalcony & Porch Repair
Framing and waterproofing for elevated balconies and covered porches.
Balcony & Porch Repair detailsDry Rot Repair
Our specialty — trace the moisture, remove what's failed, rebuild what's underneath.
Dry Rot Repair detailsDeck Repair & Rebuilding by city
What we run into with deck repair & rebuilding shifts from one city to the next — lot, tree cover, and how close a house sits to water all change what we find.
Marysville
Deck Repair & Rebuilding in MarysvilleLake Stevens
Deck Repair & Rebuilding in Lake StevensMill Creek
Deck Repair & Rebuilding in Mill CreekMountlake Terrace
Deck Repair & Rebuilding in Mountlake TerraceWoodinville
Deck Repair & Rebuilding in WoodinvilleLake Forest Park
Deck Repair & Rebuilding in Lake Forest ParkMount Vernon
Deck Repair & Rebuilding in Mount VernonDeck Repair & Rebuilding across our service area
Need deck repair & rebuilding? Tell us about it.
- Licensed, bonded & insured
- Free on-site estimates
- 24-month workmanship warranty
Get a free estimate for deck repair & rebuilding
We'll inspect the damage on-site, explain what caused it, and give you a clear written scope and price.