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Roof Replacement · Hillsboro, OR

Roof Replacement in Hillsboro, OR

Hillsboro's position in the western Tualatin Valley brings 40 inches of annual rainfall and persistent Coast Range moisture — exactly the conditions that exhaust builder-grade 25-year shingles installed during the city's 2000s tech-era housing boom. Left Coast Exteriors replaces aging Hillsboro roofs with Malarkey polymer-modified shingles engineered for Pacific Northwest sustained moisture exposure. Oregon CCB License 217914.

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Malarkey Emerald Premium Contractor Malarkey Emerald Premium Contractor
Malarkey Emerald Premium Contractor
Licensed in WA & OR
Free Roof Assessment
Itemized Estimates
Transferable Warranty
Know the Warning Signs

Signs Your Hillsboro Home Needs Roof Replacement

  • 2000s–2015 tract homes reaching 20-year roof replacement window: Hillsboro's rapid growth during the tech-sector development era produced a large housing stock with first-cycle roofs now approaching or past their design life. Builder-grade 25-year shingles installed during this period are entering the replacement window, and the concentration of same-vintage housing means many Hillsboro neighborhoods are hitting this threshold simultaneously.
  • Coast Range moisture exposure drives premature granule loss: Hillsboro's position in the western Tualatin Valley exposes homes to persistent moisture from Coast Range weather systems. Frequent rainfall and sustained humidity accelerate the granule loss that indicates aging asphalt shingles are losing protective capacity — visible as granule accumulation in gutters and bare spots on south and west slopes.
  • Moss and algae growth on north and west exposures: Hillsboro's rainfall pattern and mild temperatures create ideal conditions for moss and algae colonization on roof surfaces. Established moss growth retains moisture against shingle surfaces, accelerates physical deterioration, and eventually causes shingle separation and uplift at edges.
  • Failed flashing at valleys and penetrations on aging installations: 20-year-old roofing installations commonly show flashing failures at valleys, skylights, and pipe penetrations. These failures allow water infiltration that damages roof deck, attic insulation, and ceiling surfaces — the most expensive repairs in any roof replacement project scope.

What Roof Replacement Delivers for Hillsboro Homeowners

Left Coast Exteriors serves Hillsboro, OR as a licensed, insured exterior remodeling contractor — WA License LEFTCCE810B3, OR CCB# 217914. Free written estimates. Permits handled. No surprises after the project starts.

Roof Replacement in Hillsboro, OR by Left Coast Exteriors
Get a Free Estimate
No obligation. Usually within 1 business day.
Call or Text
360-605-0250
 Request a Free Estimate
Licensed & Insured in WA & OR
Malarkey Emerald Premium Contractor
Manufacturer Warranty on Every Install
Local Crews, No Subcontractors
Making the Right Call

Repair or Replace? The Honest Answer.

Not every roofing issue requires full replacement. Full assessment guide →

When Repair Makes Sense

Targeted Fix

  • Single isolated leak at a pipe flashing or valley on a roof under 15 years old
  • Storm damage limited to a small area on an otherwise sound roof
  • Missing or lifted shingles with no underlying deck damage
  • Roof under 15 years old with isolated, non-systemic damage
When Replacement Is the Right Move

Full Replacement

  • Roof over 20 years old with widespread granule loss or brittleness
  • Multiple leak locations indicating systemic shingle failure
  • Visible shingle cracking or curling across more than 25% of the roof
  • Granule accumulation in gutters indicating accelerated weathering
Materials We Use

Malarkey Roofing Products Built for Pacific Northwest Weather

We install Malarkey architectural shingles exclusively. Both products below cover the range of most residential roof replacement projects. Full materials guide →

Premium Choice

Malarkey Legacy AR

Malarkey Legacy AR is the flagship dimensional shingle in the Emerald Premium contractor line. Polymer-modified asphalt composition delivers superior flexibility and resistance to the sustained moisture cycling common in the Pacific Northwest. Class 4 impact rating, AR algae-resistant coating, and 30-year warranty. The right specification for most Pacific Northwest residential replacement projects.

Mid-Grade

Malarkey Windsor AR

Malarkey Windsor AR is a mid-grade architectural shingle with the same polymer-modified asphalt composition and AR coating as Legacy. 25-year warranty. For homeowners looking for Malarkey's PNW-engineered performance at a lower price point than Legacy. Both products are manufactured in Portland and engineered for this climate.

Hillsboro, OR Context

Why Malarkey Roofing Matters for Hillsboro Homeowners

Hillsboro's Tualatin Valley position and 2000s housing stock create a specific roofing case. These are the three reasons Malarkey is the right answer here.

Coast Range Rainfall Creates Year-Round Roof Stress

Hillsboro receives 40 inches of annual rainfall concentrated from October through April. Sustained wet seasons keep roof surfaces continuously wet for months at a time — the exact environment that accelerates asphalt shingle aging and granule loss. Malarkey's polymer-modified shingles are engineered to resist this sustained moisture stress.

2000s Development Creating Mass Replacement Cycle

Hillsboro's tech-era housing growth created a large cohort of roofs now reaching simultaneous end-of-life. Malarkey roofing backed by Class 4 impact rating and 30-year warranty gives Hillsboro homeowners a replacement that outlasts the original installation by a decade or more.

Oregon CCB License 217914 — Permit Handled

Oregon requires all roofing contractors to hold an Oregon CCB license. Left Coast Exteriors holds CCB License 217914. Every Hillsboro roof replacement includes permit coordination with City of Hillsboro Building Department and final inspection close-out.

Why Left Coast Exteriors

Why Homeowners Choose Us for Roof Replacement

Malarkey Emerald Premium Contractor

Emerald Premium status means we meet Malarkey's training and installation standards. It also means manufacturer warranty backing is available on every install — not just the product warranty, but the workmanship component that most contractors can't offer.

Deck, Attic, and Ventilation Assessment

Every project starts with a structural assessment covering roof deck condition, ventilation, and flashing status. We document what we find and include remediation in the project scope — not as a surprise add-on after tear-off.

Permits Handled — Inspected and Closed

We pull the required permit, schedule the required inspection, and close the permit when the installation is complete. Homeowners get a documented, code-compliant roof replacement — not an unpermitted install that creates liability at resale.

How It Works

Our Roof Replacement Process

1

Free On-Site Assessment

We inspect the full roof system — shingles, deck, flashing, ventilation, gutters. Written assessment with photos provided after the visit.

2

Written Itemized Estimate

Itemized estimate covering materials, labor, disposal, permit, and any structural items identified in the assessment. No line-item surprises after tear-off.

3

Permit and Scheduling

We pull the required building permit and schedule the project. Most residential replacements complete in one day once materials are on-site.

4

Tear-Off and Installation

Full tear-off to deck. Ice-and-water shield at valleys and eaves, synthetic underlayment on field, correct drip edge profile, then Malarkey shingles installed to manufacturer specification.

5

Final Inspection and Warranty

Building department inspection scheduled and completed. Written warranty documentation provided covering both manufacturer product warranty and workmanship.

Common Questions

Frequently Asked Questions — Roof Replacement in Hillsboro, OR

Other Services

Other Exterior Services We Provide

Roof replacement projects often connect naturally to other exterior work.

Deck Building

Aging roofs and aging deck framing often share the same construction era on Pacific Northwest homes. Composite deck replacement eliminates the pressure-treated maintenance cycle permanently, and coordinating both projects with one contractor reduces mobilization and scheduling overhead.

Deck Building in Hillsboro
Siding Installation

Many exterior moisture problems traced to roofing originate or terminate at siding transitions. Addressing siding and roofing together provides comprehensive water management.

Siding Installation in Hillsboro
Window Replacement

Homeowners addressing roof systems often discover window flashing and trim issues during the assessment. ProVia window replacement addresses those transitions completely.

Window Replacement in Hillsboro

Financing Available

A New Roof Now. Pay Over Time.

Roof replacement is a necessary home investment — deferring it risks interior water damage that costs far more than the roof itself. Flexible financing lets you move forward with the right material specification at the right time.

0%Intro APR Options
$0Down for Qualified Buyers
12–84Month Terms
Ask About Financing

Average Hillsboro roof replacement project: $12,000–$22,000. Free written estimate before any commitment.

Financing offered through third-party lenders. Subject to credit approval. Ask your project consultant for current terms.

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Serving Hillsboro, OR and Surrounding Washington County Communities

We serve Hillsboro and surrounding communities. View our full service area →

Aloha Beaverton, OR Forest Grove Cornelius North Plains Tigard, OR Portland, OR

Ready for a Roof Built for Hillsboro’s Tualatin Valley Climate?

Free roof assessment. Written itemized estimate. City of Hillsboro permits handled. Malarkey Emerald Premium Contractor. Oregon CCB# 217914.

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