Balcony & Porch Repair
Balconies and porches take weather on top and on every side, and they connect directly to the house. A small leak can rot both the structure and the wall behind it. We make it safe first, then rebuild framing, columns, railings and the walking surface with the flashing and waterproofing that keep it solid for years.
Before
AfterBalcony framing rebuilt
Balcony & porch repair done the lasting way
Balconies and porches are attached to the house and exposed to weather on top, so a small leak can rot both the structure and the wall behind it. We rebuild framing, columns, decking and railings, and add the waterproofing and flashing that should have been there.
When to call about balcony and porch repair
- Soft or sagging balcony or porch floor
- Columns that are split, soft or rotted at the base
- Loose or wobbly railings
- Stains on the ceiling or wall below a balcony
- Peeling coating on a balcony surface
- Cracks where the balcony meets the house
Our balcony and porch repair process, step by step
Check safety first
We inspect framing, posts and railings and shore anything unsafe.
Open it up
Decking or ceilings come off to show the full damage.
Rebuild the structure
New framing, posts and connectors sized for the load.
Waterproof and flash
Membrane, slope and flashing at the wall and doors.
Finish
Decking, railings, column wraps and paint-ready trim.
Recent balcony and porch repair projects
Balcony & porch repair services
Balcony framing
Rotted joists and rim boards replaced and reinforced.
Porch columns
Columns and posts rebuilt or wrapped, on raised bases.
Railings
Safe, code-height railings in wood, composite or metal.
Decking and surfaces
New decking or walkable waterproof surface.
Wall connection
Ledger and flashing where the balcony meets the house.
Porch roofs and ceilings
Rotted beams and ceilings under porch roofs.
Balcony & porch repair: things to weigh before you decide
Balconies over living space
A balcony over a room must be fully waterproof. We use walkable membrane systems with proper slope and door flashing.
Columns that last
We set new columns on raised, non-wicking bases so they do not rot from the bottom again.
Railings and safety
Loose railings are a real hazard. We anchor them into solid framing with tested hardware.
Balcony and porch surfaces
| Surface | Over living space? | Typical life | Upkeep |
|---|---|---|---|
| Walkable membrane | Yes | 10–15+ years | Top coat every few years |
| Composite decking | Only with a membrane below | 25+ years | Rinse and wash a couple of times a year |
| Wood decking | Only with a membrane below | About 15 years | Seal or stain every 2–3 years |
| Tile over membrane | Yes | 20+ years | Keep grout and drains in good shape |
What balcony and porch repair typically costs
| Project | Typical scope | Price range | Timeline |
|---|---|---|---|
| Column or post | Replace or wrap one rotted column on a raised base | $1,500 – $4,500 | 1–2 days |
| New railing | Code-height railing on an existing balcony or porch | $2,500 – $8,000 | 2–4 days |
| Porch rebuild | New framing, decking, steps and columns | $10,000 – $25,000 | 1–2 weeks |
| Balcony rebuild | Framing, waterproofing, flashing and railing over living space | $15,000 – $40,000+ | 2–4 weeks |
These are typical 2026 ranges we see for balcony and porch repair 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.
A 10-minute check homeowners can do
- Feel for soft or sagging spots on the balcony or porch floor
- Push on railings: they should not move
- Check column bases for splits and soft wood
- Look for stains on the ceiling or wall below a balcony
- Check the coating on balcony surfaces for wear
- Look at the joint where the balcony meets the house
If you find one or two of these, it is worth a look before the next wet season. Small problems caught early are usually a short, inexpensive repair. Left alone, water keeps spreading into framing and the repair grows.
Not sure what you are looking at? Send us a few photos with the form below or by text to 425.600.7002 and we will tell you honestly whether it needs attention now.
Balcony & porch repair: what you should know
Why it happens
Worn surface waterproofing
Water gets through balcony surfaces and rots the joists and sheathing underneath.
Missing wall flashing
Where the balcony meets the house, water runs into the wall and rim.
Columns on concrete
Porch columns and posts set flat on concrete wick water and rot from the base.
Loose railings
Railing posts that move let water into the framing around them.
What every balcony and porch repair job includes
- Safety check of framing, posts and railings
- Temporary support where needed
- Replacement of rotted joists, rim boards, beams and columns
- Ledger and wall flashing
- Walkable waterproofing or new decking
- Code-height railings anchored to solid framing
- Column wraps, trim and paint-ready finish
Keeping it from coming back
- Recoat balcony surfaces before they wear through
- Keep drains and scuppers clear
- Check railings for movement every spring
- Keep columns off direct contact with concrete
- Fix ceiling stains under balconies right away
What drives the price
Balcony and porch repair in your area depends on size, height, how much framing is damaged, waterproofing needs and railing choice. You get a written price after the free inspection, with options.
Typical timeline
Most porch and column repairs take a few days. Balcony rebuilds with waterproofing usually take one to two weeks.
Why homeowners call Eco Home Repair
Homeowners in your area choose us because we make balconies and porches safe first, then rebuild them with the flashing and waterproofing that keep them solid. Our own crew does the work, backed by a 24-month workmanship 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.
What homeowners say
“As a Condominium owner finding contractors that can work with multiple concerns at once is a challenge. The team at Eco Home Repair has been our go-to for several projects including deck and front porch repairs, siding replacement, chimney chassis repairs…”
“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…”
“This concerns the work of a company hired to fix some troublesome spots on our home. They were able to rebuild and refinish a window frame that had deteriorated from weather damage over the years. They did an excellent job. That one fix made the house look…”
5.0 average from 106 reviews on Google, Thumbtack, Angi, HomeAdvisor and Yelp. Read our reviews on Google.
Balcony & porch repair across the region
Our climate is the same everywhere we work, but each part of the region wears houses out a little differently.
North Snohomish & Skagit
Open lots, steady rain and many 1990s–2010s subdivisions with builder-grade flashing that is now reaching the end of its life. For balcony and porch repair, we see the same pattern again and again: balconies, porches and columns take weather on every side and rot at the connections.
Everett & the Sound
Older homes near the water take wind-driven rain and salt air, so trim, siding and decks facing the Sound wear out first. For balcony and porch repair, we see the same pattern again and again: balconies, porches and columns take weather on every side and rot at the connections.
South Snohomish County
Tree-covered lots and shaded north walls keep wood damp for months, and many homes still have original siding and decks. For balcony and porch repair, we see the same pattern again and again: balconies, porches and columns take weather on every side and rot at the connections.
Mill Creek, Bothell, Snohomish, Martha Lake, Lake Stickney, Brier, Mountlake Terrace
Eastside & North King County
Large decks, view balconies and cedar details on homes from the 1960s to today, many of them on sloped, wooded lots. For balcony and porch repair, we see the same pattern again and again: balconies, porches and columns take weather on every side and rot at the connections.
Woodinville, Kirkland, Redmond, Bellevue, Sammamish, Kenmore, Medina, Mercer Island
Seattle & Shoreline
Older housing stock with original wood windows, porches and siding, often with little or no weather barrier behind it. For balcony and porch repair, we see the same pattern again and again: balconies, porches and columns take weather on every side and rot at the connections.
Balcony & porch repair in your city
We do balcony and porch repair in 29 cities across Snohomish and King County.
Not listed? We may still cover you. Call 425.600.7002.
Balcony & porch repair: common questions
Is my balcony safe to use?
Do you rebuild porch columns near me?
Can you waterproof a balcony over a room?
Do you replace railings only?
How long does balcony repair take?
How do I know if my balcony is unsafe?
Can you replace porch columns without removing the roof?
What railing options do you install?
Other repairs we do
Dry Rot Repair
We find where the water gets in, cut out every soft spot and rebuild it so it stays dry.
Dry Rot Repair detailsDeck Repair & New Decks
Repairs, rebuilds and new composite decks, built on solid framing with the flashing done right.
Deck Repair & New Decks detailsSiding Repair & Replacement
Siding repair and replacement with the house wrap and flashing done right behind it.
Siding Repair & Replacement detailsStructural Repair
Rotted posts, beams, joists and sill plates replaced and reinforced, with shoring when needed.
Structural Repair detailsDeck Waterproofing & Flashing
Walkable waterproof coatings, slope fixes and flashing that keep water out of your walls and ceilings.
Deck Waterproofing & Flashing detailsWindow, Door & Trim Repair
Rotted sills, jambs and trim replaced, with flashing so the water stops getting in.
Window, Door & Trim Repair detailsChimney Chase Repair
Rotted wood-framed chimney chases rebuilt, sided and flashed so they stay dry.
Chimney Chase Repair detailsFascia & Soffit Repair
Rotted fascia, soffits and rafter tails replaced, with drip edge so the roof edge stays dry.
Fascia & Soffit Repair detailsTell us about your balcony and porch repair project
- Licensed, bonded & insured
- Free on-site estimates
- 24-month workmanship warranty
Book a free balcony and porch repair inspection
We inspect the damage on-site, show you photos of what we find and give you a written price before any work starts.