How Much Does a Roof Replacement Cost in Seattle and the Eastside?

Short answer: there is no single number. For a typical single-family home around Seattle, Redmond, Bellevue and Kirkland, a full replacement is a significant project, and homes with steep pitches, multiple layers, or damaged decking cost more. The best way to know your price is a written, itemized quote based on a real inspection. Get a free estimate or call (206) 973-7209.

Why published "average" prices vary so much

Local contractor sites, national cost guides, and neighbors online often disagree by thousands of dollars. That's because the price depends on your roof, not an average roof. Be careful with any source that quotes one price without knowing your pitch, layers, and access.

The 7 things that set your roof replacement price

1. Size of the roof

Roofers measure in "squares" (100 square feet of roof surface). Your roof is bigger than your floor plan because of pitch and overhangs.

2. Pitch and complexity

Steep slopes, valleys, dormers, skylights, and chimneys add labor and safety equipment. A simple gable roof goes faster than a cut-up roof.

3. Material

Asphalt (architectural) shingles: the most common choice in the Puget Sound and usually the most economical.
Composite / synthetic shingles: chosen for appearance and durability, at a higher cost.
Standing-seam metal: a premium option with a longer expected life.
PVC or TPO membrane: used on flat and low-slope sections such as additions and garages.

4. Tear-off and layers

A proper replacement removes old roofing down to the deck. Two layers means more labor and disposal. Be wary of a bid that skips tear-off without explaining why.

5. Decking condition

This is the big unknown. Our wet climate means some roofs have soft or rotted sheathing hidden under the shingles. A good contractor explains up front how decking repairs are priced and approved before extra work happens. A bid far lower than the rest often leaves this out.

6. Underlayment, flashing, and ventilation

Ice-and-water shield in valleys and eaves, synthetic underlayment, new flashing, and proper attic ventilation keep water out for years. Check that each is listed, not just "shingles."

7. Permits, access, and disposal

Permit rules and fees differ by city. Tight lots and limited dumpster space can change labor time. Ask who pulls the permit and whether the fee is included.

What a good written estimate should include

When you compare two or three licensed roofers, make sure each bid spells out:

Full tear-off (or a clear reason why not) and number of layers removed
Underlayment type and ice-and-water shield locations
Shingle brand, product line, and color
Flashing, drip edge, pipe boots, and ventilation
How rotted decking is handled and priced
Permit, dumpster, and cleanup
Timeline and payment schedule
Workmanship warranty length, and what the manufacturer warrants separately
The contractor's Washington license number

If two bids differ a lot, line them up item by item. The cheaper one is often missing something.

Seattle-area cost factors

Rain and moss: crews watch the forecast and protect open areas between work days, and sometimes find hidden water damage.
Older homes: many neighborhoods have older roofs with more than one layer.
City-by-city rules: Bellevue, Kirkland, Redmond, and Seattle each have their own permit process.
Winter work is possible: roofs are replaced in the Puget Sound all year.

Ways to manage the cost

Get an inspection first so you know what you're dealing with.
Ask about repair vs. replacement. If your roof has life left, a repair may make sense. See our guide to repair vs. replacement.
Compare apples to apples: same material, scope, and warranty.
Look at financing. Financing is available; see our financing page.
Check insurance if damage came from a covered storm event.

Questions homeowners ask

Is the lowest bid the best deal? Not usually. Compare scope, decking handling, and warranty before price. How long does a replacement take? Many single-family roofs take a few days depending on size, weather, and complexity. Your estimate should give a timeline. Can you replace a roof in winter or in the rain? Yes, it happens regularly in the Pacific Northwest. See our FAQ on winter roof replacement.

Get a real number for your home

Real Great Roofing is a Redmond-based roofing contractor, licensed in Washington (license #REALGGR747L2), bonded and insured, with a 10-year workmanship warranty. We inspect first, then send an itemized written estimate with no obligation. Call (206) 973-7209 or request a free estimate. We serve Redmond, Bellevue, Kirkland, Seattle, Sammamish, Bothell, Woodinville, Renton, Everett and more. See all service areas.

General information, not a quote. Your price depends on your roof's size, pitch, condition, and materials.