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Washington · Local pricing guide

Shingle Roof Replacement Cost in Port Townsend, Washington

Typical installed range — asphalt shingles
$4,900 – $14,000

A shingle roof replacement in Port Townsend typically runs $4,900 – $14,000 installed — $300 – $600 per square (100 sq ft) — from 3-tab up to architectural grade, tear-off included.

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Price reference · Reviewed June 2026

Shingle roofing cost by grade.

Installed prices for a full shingle replacement in Port Townsend. Roofers quote per square (100 sq ft) — a typical single-family roof runs 17–25 squares.

  • 3-tab shingles
    Flat profile, 15–20 year typical service
    $4,900 – $9,300
  • Architectural shingles
    Dimensional, 25–30 year — the U.S. default
    $7,100 – $14,000
  • Designer / premium shingles
    Slate and shake look-alikes
    $10,500 – $22,000
  • Underlayment & ice barrier
    Synthetic felt, ice & water shield where code requires
    $450 – $1,800
  • Deck repair (plywood)
    Replacing rotted sheathing, priced by extent
    $450 – $2,200
  • Tear-off & disposal
    Old layers off, dumpster included
    $900 – $2,700
  • Permits & inspection
    Varies by municipality
    $225 – $900

* Adjusted for Port Townsend's labor market — an on-site measure sets the square count.

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Build your Port Townsend estimate

Adjust the inputs below. The range updates live and is adjusted for Port Townsend's labor market —-11% vs national avg.

Your estimate
$7,700–$14,500
for Port Townsend, Washington · -11% vs national avg

Indicative range based on Port Townsend-adjusted rates. Deck condition, flashing, and contractor overhead may shift the final invoice. Get written quotes from licensed roofing contractors before signing.

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Before you sign: the quote checklist

  • Get quotes from at least 3 licensed roofing contractors in Port Townsend.
  • Make sure every quote itemizes tear-off, underlayment, flashing, and disposal.
  • Verify licensing and insurance before hiring — ask for certificates, not promises.
  • Ask about both the material warranty and the workmanship warranty — they differ.
The local picture

Shingle Roof in Port Townsend: what matters

Port Townsend's historic Victorian homes and newer subdivisions alike face a unique set of roofing challenges. The maritime climate of the Olympic Peninsula brings heavy rain, wind, and occasional snow loads, which accelerate wear on asphalt shingles. Many homes in older parts of town were built with steep-slope roofs that require careful installation to meet Washington's building code. If your roof is showing signs of age, understanding the local factors that influence replacement cost can help you plan your project. This guide covers what Port Townsend homeowners need to know about shingle roof replacement, from material choices to contractor licensing in Washington.

Cost factors

Why Shingle Roof Replacement Costs Vary in Port Townsend

Several factors unique to Port Townsend affect replacement costs. The area's high rainfall and humidity promote moss and algae growth, which can degrade shingles faster. Wind from the Strait of Juan de Fuca can lift shingles on older roofs, especially if they were not installed with proper fastening schedules. Washington's building code requires specific underlayment and ventilation standards that may add to labor time. The age of the housing stock also matters: historic homes often have complex roof geometries that require more labor, while newer subdivisions may have simpler designs. Disposal fees in Jefferson County and the cost of transporting materials to the Olympic Peninsula can also influence the final price.

Port Townsend by the numbers

U.S. Census Bureau · ACS
17,046
Population
6,644
Homeowners
77% own
$457,800
Median home value
$61,924
Median income
1987
Median home built
≈ 39 yrs old
9,685
Housing units

6,644 homeowner households, median home built 1987 — a housing stock where many roofs are at or past their service life. Local labor sets the rate roofers charge in Port Townsend.

Field notes

Common Reasons Port Townsend Roofs Need Replacement

  1. Wind Damage

    Strong winds off the Strait can lift and tear shingles, especially if they were nearing the end of their lifespan. Repeated wind exposure can cause shingles to curl or crack.

  2. Moss and Algae Growth

    Port Townsend's damp climate encourages moss and algae, which trap moisture against shingles and accelerate granule loss and decay.

  3. Rain and Moisture Intrusion

    Heavy rainfall can overwhelm aging shingles, leading to leaks and rot in the underlying deck. Over time, moisture can compromise the entire roof structure.

  4. UV Degradation

    Even in a cloudy climate, UV rays break down asphalt shingles. Granules loosen and wash away, leaving the mat exposed and prone to cracking.

  5. Snow Load Stress

    Occasional heavy snow in Port Townsend adds weight that can stress older roofs. Ice dams may form at eaves, forcing water under shingles and causing interior damage.

Nearby coverage

Shingle Roof pricing near Port Townsend

Q&A

Shingle Roof cost questions — Port Townsend

What factors affect shingle roof replacement cost in Port Townsend?

Cost depends on roof size, slope, complexity, and the type of shingles chosen. Local labor rates, permit fees from the city's permitting office, and disposal costs also play a role. The condition of the underlying deck and any required upgrades to meet Washington's building code can add to the total.

How do I choose a roofing contractor in Port Townsend?

Look for contractors who are licensed under Washington state contractor licensing requirements. Ask for references from local jobs, and verify they carry liability insurance and workers' compensation. Get multiple written estimates and compare scope, not just price. Check with the Better Business Bureau for any complaints.

What are Washington's licensing requirements for roofers?

Washington requires all contractors to register with the state Department of Labor & Industries. Roofers must have a valid contractor registration and meet bonding and insurance requirements. Some may also hold specialty licenses. Always verify a contractor's registration number before hiring.

When is the ideal time to replace a shingle roof in Port Townsend?

Late spring through early fall offers the most reliable weather for roof replacement. Dry conditions allow shingles to seal properly. Winter work is possible but may be delayed by rain. Plan ahead to schedule during the drier months for the right installation conditions.

Do I need a permit for roof replacement in Port Townsend?

Yes, most roof replacements require a permit from your local building department. The city's permitting office will inspect the work to ensure it meets Washington's building code. Your contractor should handle the permit process, but confirm it is included in your contract.

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