Federal Way & South King County
Federal Way Roofing: Roof Replacement & Repair
Residential and commercial roofing for a climate where near-daily winter moisture, not extreme cold, is what ages a roof — asphalt shingle, cedar shake, flat/low-slope, and commercial TPO/EPDM, with a written price by material before we start.
- Free on-site estimate
- Serving Federal Way & South King County
- Written pricing by material
- Same-day callback
Full tear-off, not a cover-up
Permit pulled on every job
Written price before work starts
Never a damaging pressure wash
Old roofing hauled away
Start here
This climate decides how your roof actually fails — and what insurance will and won't cover
Three things here act on a roof in specific, predictable ways — and most roofing companies in this market never explain the mechanism, only the symptom.
Moss and algae, not cold, age a roof here
Federal Way sees about 41 inches of rain a year and cool, wet winters rather than hard freezes. That near-daily moisture lets moss take hold on shingle and cedar shake, trapping water against the material and lifting it years before a dry-climate roof would show the same wear.
How fast moss actually damages a roof →Insurance covers the storm, not the moss
Sudden windstorm damage is typically a covered event under a standard WA homeowners policy. Moss-driven deterioration that built up over years typically is not. Knowing which situation you're in before you file a claim matters.
Does insurance cover roof moss damage →A pressure washer does more harm than the moss
Pressure washing strips the protective granule layer off shingles and can drive water up under tabs or shakes. Gentle hand and brush removal plus treatment is the standard manufacturers themselves recommend — not a power wash.
Moss & algae treatment →Real numbers
What a roof actually costs in Federal Way, by material
Not one roofing company we've reviewed in this market publishes a reconciled price range on their core pages — aggregator sites and contractor-published numbers disagree with each other, and nobody explains why. Here are the ranges we work from. Your quote will be a specific number, not a range — and the biggest thing that moves it is which material you choose.
What moves the price
Tear-off, how much deck repair the job needs, pitch, and how many valleys and penetrations your roof has. Tear-off typically adds $40–$100 per square. A roof that needs deck repair costs more than one that doesn't, and we would rather tell you that at the inspection than discover it on install day.
Estimate your roof costWhat we do
Roof replacement, repair, and moss treatment across Federal Way & South King County
Most requested
Roof Replacement
Full tear-off roof replacement for Federal Way and South King County homes and businesses — asphalt shingle, cedar shake, flat/low-slope, or metal, matched to your roof and budget, with a written price before any work starts.
See pricing →
Most requested
Roof Repair
Leak repair, shingle and shake repair, and flashing repair for Federal Way homes and businesses — a written price before work starts, and an honest answer on repair vs. replacement.
See pricing →
Most requested
Roof Inspection
Professional roof inspections for buying, selling, or just knowing where you stand — a written condition report, not a sales pitch, covering material condition, moss/algae extent, flashing, and deck.
See pricing →
Most requested
Commercial Roofing
TPO, EPDM, and modified bitumen roofing for Federal Way and South King County commercial buildings — new installation, re-cover, repair, and maintenance programs that reduce leak calls.
From $650/sq →
Asphalt Shingle Roofing
Architectural and composition shingle roof installation and replacement for Federal Way homes — rated for PNW wind and rain, with moss/algae-resistant options and a written per-square price.
From $450/sq →
Cedar Shake Roofing
Cedar shake installation, re-roofing, and moss-driven shake replacement for Federal Way's older housing stock — built around the maintenance cadence this material actually needs in a wet PNW climate.
From $800/sq →
Flat Roof Replacement
Residential flat and low-slope roof replacement for Federal Way homes — additions, porches, and full low-slope sections — with drainage correction built into the job, not an afterthought.
From $550/sq →
Roof Moss & Algae Treatment
Gentle moss removal and algae treatment for Federal Way roofs — the single most common roofing problem in this climate, handled in a way that extends your roof's life instead of damaging it.
See pricing →
Storm Damage Roof Repair
Windstorm and storm-damage roof repair for Federal Way, with documentation built for an insurance claim from the first visit — and an honest read on what's actually storm damage versus pre-existing wear.
Free assessment →Two things nobody else explains
Insurance and permits — read this before you file a claim or order material
Sudden windstorm damage is typically covered by a standard WA homeowners policy. Moss and algae damage that built up gradually over years typically is not — insurers treat that as normal wear. We document which situation applies to your roof honestly, before you file, not after.
King County and the City of Federal Way both require a reroofing permit for a full tear-off, even for a like-for-like replacement. We pull it as part of the job rather than leaving it on you.
- We document whether damage is sudden (likely covered) or gradual moss wear (likely not) before you file
- Time-stamped, adjuster-ready photos on every storm-damage visit
- King County/Federal Way permit pulled as part of every reroof
- Free storm-damage assessment before you file a claim
- We tell you honestly when moss treatment beats a full replacement
Sound familiar?
The four reasons people in Federal Way call about their roof
Moss has taken over
Shingles or shakes lifting where moss has grown underneath, or gutters filling with moss debris. The longer it sits, the more it costs to fix — treatment now is almost always cheaper than replacement later.
A storm just came through
Missing shingles, a new leak, or debris damage after a windstorm. Documenting it promptly matters if you plan to file an insurance claim.
Leak that keeps coming back
A previous patch didn't actually stop the water, because the visible stain usually isn't where the leak actually enters.
Selling or buying a home
An aging or moss-damaged roof is a common inspection-report item that can stall a sale. Getting ahead of it with a real number is usually cheaper than negotiating it after an offer.
Why us
Built around this climate's real failure mode, not a generic reroof
Full tear-off when moss has already reached the deck
A recover-over-existing job can't find or fix moss-driven deck damage hiding underneath. We check the deck from the attic side where we can and tell you honestly what we find.
Gentle moss removal, never a pressure washer
Pressure washing strips the protective granule layer off shingles and can drive water under tabs or shakes. We use hand and soft-brush removal plus treatment, the standard manufacturers themselves recommend.
Written pricing, not a phone-call-only number
You get a price before work starts, broken out by material and with tear-off and any deck repair as their own lines. No day-of surprises.
Permit pulled every time
King County and the City of Federal Way both require a reroofing permit for a full tear-off — we pull it as part of the job rather than leaving it on you.
How it works
How a Federal Way roof replacement runs, start to finish
01
Call or request an estimate
Tell us roughly what is going on with your roof. We book a time to come out — same-day callback, and the inspection itself is free.
02
We inspect the roof with you
We walk the roof, check the deck from the attic side where we can, and note how much moss or algae has already gotten under the material. You get a written price before we leave.
03
Permit, then the work
We pull the King County or Federal Way reroofing permit and install to manufacturer spec for this region’s wind and rain exposure.
04
Inspection and cleanup
Final inspection, full cleanup, gutters checked for debris, and we walk the finished roof with you before we leave.
Free on-site roofing estimate, no pressure
We walk the roof with you, check the deck from the attic side where we can, and give you a written price by material. If moss treatment or a repair is the better spend than replacement, we will say so.
Straight comparison
Three ways to handle a roof problem, and what each costs you later
Roofing is one of those trades where the cheapest bid and the proper job look identical for about two winters — right up until a pressure-washed shingle starts shedding granules or moss that was never actually treated comes right back.
| DIY weekend | Cheapest bid | Done properly | |
|---|---|---|---|
| Moss removal | Pressure washer — strips granules, drives water under tabs | Quick scrape, no treatment applied | Gentle hand/brush removal plus treatment, gutters cleared |
| Material grade | Bargain shingle off the shelf, no algae resistance | Standard grade, warranty terms rarely disclosed | Algae-resistant or premium-grade material with a real warranty, disclosed in writing |
| Underlayment | Whatever’s left over, felt paper reused | Minimum-code synthetic underlayment | High-wind-rated synthetic underlayment, ice-and-water membrane at eaves and valleys |
| Deck check | Not considered | Skipped unless asked | Checked from the attic side where access allows, repaired if moss has reached it |
| Permit | Often skipped | Sometimes skipped | Pulled and inspected every time |
| If it fails | Your weekend, again, now with a worse leak | Chasing a phone number that stopped working | We come back and fix it |
Where we work
Serving Federal Way and South King County
Kent, WA
King County
About 8 miles northeast of Federal Way via SR 167/SR 18
Auburn, WA
King County
About 9 miles southeast of Federal Way via SR 18
Des Moines, WA
King County
About 5 miles north of Federal Way via SR 509/Pacific Highway
SeaTac, WA
King County
About 7 miles north of Federal Way via SR 99/I-5
Tukwila, WA
King County
About 11 miles north of Federal Way via I-5/SR 99
Questions
Roofing questions people in Federal Way actually ask
How much does a roof replacement cost in Federal Way?
Most full roof replacements in this area run $8,000-$25,000 for an average home, reconciled from both aggregator cost-guide data and real contractor-published ranges for this market. By material, asphalt shingle runs $450-$750 per square installed, cedar shake $800-$1,400, flat/low-slope $550-$950, and metal $900-$1,800. Your exact price depends on size, pitch, material, and how much moss-driven deck damage the job finds.
Do I need a permit to replace my roof in Federal Way?
Yes, even for a like-for-like reroof. King County and the City of Federal Way both require a building permit for a full tear-off reroof, which triggers an inspection. We pull the permit as part of the job rather than leaving it to you.
Does homeowners insurance cover roof damage here?
It depends on the cause. Sudden windstorm or storm damage is typically a covered event under standard WA homeowners policies. Moss-driven deterioration that built up gradually over years is typically not — insurers treat that as normal wear. We document which situation applies to your roof before you file a claim, not after.
Why does moss grow so fast on roofs in this area?
Federal Way's marine climate brings about 41 inches of rain a year and cool, wet winters rather than extreme cold — that near-daily winter moisture is what lets moss and algae take hold on shingle and cedar shake roofs, trapping water against the material and lifting tabs and shakes years before a dry-climate roof would show the same wear.
Should I treat the moss or replace the roof?
If the material underneath is still structurally sound, moss treatment is usually the better spend than jumping straight to replacement. If a large share of the roof is already cupped, split, or showing deck damage, a full replacement stops you from paying for repeated treatments on a roof that's already failing. We'll tell you which situation you're in at the free inspection.
What areas do you serve?
Federal Way and South King County — including Kent, Auburn, Des Moines, SeaTac, Tukwila, and more. Estimates are free everywhere in that area and we do not add a travel charge.
Get a free on-site estimate
A real person answers. We walk the roof with you, check the deck, and give you a written per-square price — at no charge and with no pressure.