Serving Seattle to Mount Vernon — free on-site estimates
Service area · King County

Exterior Repair in Lake Forest Park, WA

Rot repair, decks, siding and exterior repair for Lake Forest Park homes, done by our own crew.

Licensed, bonded & insured · 24-Month Workmanship Warranty · Free on-site estimate
Before: Rotted chimney chase framingBefore
After: Chase rebuilt with new sheathingAfter

Chase rebuilt with new sheathing

Licensed, Bonded & Insured
24-Month Workmanship Warranty
BBB A+ Accredited
5.0 from 106 Reviews
Lake Forest Park homes

Homes in Lake Forest Park

Lake Forest Park was laid out as a residential community on the hills above the north end of Lake Washington, and it still feels like a neighborhood built into a forest. Homes range from a few older cottages and 1920s to 1940s houses near the lake to mid-century ramblers, split-levels and contemporaries from the 1950s through the 70s on steep, winding streets. Lots are large and irregular, often sloping sharply toward a creek or the road. Cedar lap siding, board-and-batten and vertical panel siding are common, and many homes have multi-level decks built out over the slope.

Tree cover is the defining condition in Lake Forest Park. Tall firs, cedars and maples shade roofs, siding and decks so heavily that some walls never dry between November and April. Needles and leaves pile into gutters and onto deck boards, and moss grows on anything horizontal. Steep lots send groundwater and surface runoff toward the uphill side of houses, so lower siding and sill plates stay wet. Homes near Lake Washington add morning fog and lake moisture to the mix.

Sheridan Heights and Horizon View sit higher on the hills, with steep lots, view decks and wind on the exposed edges. Brookside and homes along Lyon Creek and McAleer Creek sit lower in wooded ravines where shade, moss and runoff dominate. Properties near the Town Center and along Bothell Way are flatter and closer to the lake, with more fog and less slope. Uphill walls on almost any lot here tend to be the wettest side of the house.

Services

Our services in Lake Forest Park

Rot repair in Lake Forest Park

We find where the water gets in, cut out every soft spot and rebuild it so it stays dry.

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Deck contractor in Lake Forest Park

Repairs, rebuilds and new composite decks, built on solid framing with the flashing done right.

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Siding repair in Lake Forest Park

Siding repair and replacement with the house wrap and flashing done right behind it.

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Structural repair in Lake Forest Park

Rotted posts, beams, joists and sill plates replaced and reinforced, with shoring when needed.

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Waterproofing in Lake Forest Park

Walkable waterproof coatings, slope fixes and flashing that keep water out of your walls and ceilings.

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Window & trim repair in Lake Forest Park

Rotted sills, jambs and trim replaced, with flashing so the water stops getting in.

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Chimney chase repair in Lake Forest Park

Rotted wood-framed chimney chases rebuilt, sided and flashed so they stay dry.

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Fascia & soffit repair in Lake Forest Park

Rotted fascia, soffits and rafter tails replaced, with drip edge so the roof edge stays dry.

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Balcony & porch repair in Lake Forest Park

Rotted balconies, porches, columns and railings rebuilt safely and waterproofed.

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Common problems

What we fix most in Lake Forest Park homes

Deck Waterproofing & Flashing

Walkable waterproof coatings, slope fixes and flashing that keep water out of your walls and ceilings. In Lake Forest Park, that usually means worn coatings and missing flashing let water into walls and ceilings.

Dry Rot Repair

We find where the water gets in, cut out every soft spot and rebuild it so it stays dry. In Lake Forest Park, that usually means small paint cracks turn into soft, spongy wood behind the paint.

Siding Repair & Replacement

Siding repair and replacement with the house wrap and flashing done right behind it. In Lake Forest Park, that usually means water gets behind older siding at every window, corner and roof line.

Every visit starts with a free inspection: we probe the wood, check moisture, photograph what we find and give you a written price before any work starts. Like-for-like repairs on a small scale often don’t need a permit, but structural work, new decks and larger replacements usually do. The City of Lake Forest Park issues building permits, and work near creeks or steep slopes may get extra review. We check with the City of Lake Forest Park before starting so there are no surprises mid-project.

Neighborhoods

Where we work in Lake Forest Park

Sheridan HeightsHorizon ViewBrooksideLyon CreekLake Forest Park Town Center
Pricing

Typical repair costs in Lake Forest Park

ServiceSmaller jobsLarger jobs
Dry Rot Repair$600 – $1,800$15,000+
Deck Repair & New Decks$1,500 – $5,000$38,000 – $70,000+
Siding Repair & Replacement$800 – $3,000$30,000 – $65,000+
Structural Repair$1,500 – $5,000$15,000 – $35,000+
Deck Waterproofing & Flashing$600 – $2,500$12,000 – $30,000+
Window, Door & Trim Repair$500 – $1,500$10,000 – $25,000+
Chimney Chase Repair$800 – $2,500$10,000 – $22,000
Fascia & Soffit Repair$500 – $1,500$7,000 – $18,000
Balcony & Porch Repair$1,500 – $4,500$15,000 – $40,000+

Typical 2026 ranges for Lake Forest Park homes. The real number depends on what we find once the area is open. Every estimate is free, written and based on an on-site inspection with photos.

Maintenance

A year-round checklist for Lake Forest Park homes

Fall

  • Clean gutters and downspouts before the first big storms
  • Check deck boards, railings and stairs before they get slick
  • Look over window sills and trim for cracked paint

Winter

  • Watch for stains on ceilings under decks and balconies
  • Note any spots where water pools against the house
  • Check that downspouts drain away from the foundation

Spring

  • Walk the house and press trim, sills and corners for soft spots
  • Wash moss off siding, decks and roofs gently
  • Book repairs early: summer schedules fill fast

Summer

  • Repaint and recaulk while the wood is dry
  • Reseal wood decks and recoat balcony surfaces
  • Replace rotted wood before the rain comes back

Lake Forest Park gets the same long wet season as the rest of the region, so most exterior damage builds slowly from October to May. A short walk around the house each season catches problems while they are still small.

How it works

From first call to finished repair

1

Probe and document

We test soft areas with an awl and a moisture meter and photograph everything before we quote.

2

Find the leak

We trace where the water comes from, so the repair fixes the cause, not just the wood.

3

Cut out all the rot

Damaged siding, sheathing and framing come out back to solid, dry wood.

4

Rebuild and flash

New framing and sheathing, house wrap, and the flashing that was missing.

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 say

“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…”
DV
Dan V.
Google review · Jul 2026
“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…”
CS
Cynthia S.
Google review · Apr 2026
“I highly recommend Eco Home Repair! They did a fantastic job and the quality of their work is absolutely top-notch. Working with them was an absolute pleasure from start to finish. Big thanks to Alex as well—he was great to deal with and made sure everything…”
IP
Ilia P.
Google review · Jun 2026

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

FAQ

Questions from Lake Forest Park homeowners

Do you work in Lake Forest Park?
Yes. Lake Forest Park is part of our regular service area in King County, and we can usually schedule a free inspection within a few days.
What do you repair in Lake Forest Park?
Rot, decks, siding, structural framing, waterproofing and flashing, windows and trim, chimney chases, fascia and soffits, balconies and porches.
Is the estimate free?
Yes. We inspect, take photos and give you a written price at no charge.
Are you licensed and insured?
Yes. Eco Home Repair LLC is licensed, bonded and insured in Washington (License #ECOHOHR774PU).
Why does my Lake Forest Park house have so much moss and rot?
Heavy tree cover keeps much of Lake Forest Park in shade for most of the year, so roofs, siding and decks dry slowly. Needles clog gutters and pile up on deck boards, and steep lots send runoff toward the house. We repair the rot and address shade, drainage and gutter issues so the fix lasts.
Can you repair a tall hillside deck in Lake Forest Park?
Yes. Many Lake Forest Park decks step down steep slopes on long posts and beams. We inspect footings, posts, beams, joists and the ledger connection, repair or replace what is failing, and rebuild sections as needed. When a deck is past saving we can rebuild it with stronger connections and better drainage.
Does Lake Forest Park require permits for deck or structural work?
Small like-for-like repairs often don’t need a permit, but new decks, structural work and larger replacements usually do. The City of Lake Forest Park issues permits, and lots near creeks or steep slopes may have extra review. We check with the city before work begins and include that step in our plan.
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  • Free on-site estimates
  • 24-month workmanship warranty

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

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