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J&J Roofing & Construction

Lake Oswego Roofing Contractors

Commercial & Residential Roofing Services For Over 40 Years

Keeping homes dry since 1984

Free Roof Inspections • Free Estimates • Financing Available

Built for Lake Oswego

Trusted Lake Oswego Roofing Contractor

J&J Roofing & Construction provides residential and commercial roofing services in Lake Oswego, Oregon. Our work includes roof replacement, roof repair, metal roofing, commercial roofing, new construction roofing, and roof cleaning and maintenance.

Since 1984, J&J has served property owners throughout Southwest Washington and Northwest Oregon. Our licensed, bonded, and insured team evaluates each roof individually and recommends work based on the condition of the roofing system, the property, and the scope of the project.

Why Choose J&J Roofing & Construction

J&J Roofing & Construction has served property owners in Washington and Oregon since 1984. Our team is licensed, bonded, and insured, and J&J holds GAF Master Elite contractor status. We provide residential and commercial roofing services and help customers understand the condition of their roof, the recommended scope of work, available roofing-system options, and applicable warranty choices.

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Roofing Services in Lake Oswego

Lake Oswego Roofing Services

Residential Roof Replacement

Roof replacement in Lake Oswego begins with evaluating the condition of the existing roofing system, including the visible roofing materials, flashing, roof penetrations, drainage areas, ventilation, and accessible decking. When tear-off is part of the approved project, removal of the existing roofing allows the exposed roof deck to be inspected before the new roofing system is installed.

J&J’s roof replacement services include installation based on the roof design, project scope, manufacturer requirements, and the conditions found during the work. The final system may include architectural shingles, underlayment, starter materials, ridge components, flashing, ventilation components, and other specified materials.

Roof Repair in Lake Oswego

Roof repairs in Lake Oswego can involve damaged or missing shingles, flashing problems, pipe boots and other penetrations, localized storm damage, skylight details, roof edges, and other areas where water may be entering. J&J evaluates the condition of the roof and recommends repairs based on the location and extent of the problem and the condition of the surrounding roofing.

Our roof repair services are intended to address localized roofing problems when repair is an appropriate option for the existing roof.

Metal Roofing Contractor in Lake Oswego

Metal roofing can be an appropriate option for residential and commercial properties depending on the roof design, project goals, budget, and the specific roofing system selected. J&J installs metal roofing systems, including standing-seam applications, based on the requirements of the building and the project scope.

Our metal roofing services include evaluation of the existing roof, system selection, installation planning, and integration of components such as panels, flashing, roof edges, penetrations, and other applicable details.

Roof Cleaning & Moss Removal in Lake Oswego

Roofs in Lake Oswego can accumulate moss, leaves, needles, and other organic debris, particularly on shaded properties or homes surrounded by mature trees. The amount of buildup varies by roof material, pitch, exposure, drainage, and the individual property.

J&J’s roof cleaning and moss removal services begin with evaluating the condition of the roof and selecting an appropriate cleaning or treatment method. Removing loose debris and addressing moss growth can also make it easier to observe the condition of roofing materials, valleys, flashing, and drainage areas.

Commercial Roofing in Lake Oswego

J&J provides commercial roofing services for offices, retail buildings, multifamily properties, and other commercial facilities in Lake Oswego. Commercial roof evaluations may include roofing membranes or surfaces, seams, roof edges, flashing, penetrations, drains, scuppers, parapet walls, and rooftop equipment curbs when those areas are accessible.

Our commercial roofing services can include repair, maintenance, and roof replacement depending on the roofing system, building design, project scope, and condition of the existing roof.

  • Manufacturing Defects Coverage: 100% Coverage Period for 50 Years (on Lifetime Shingles).
  • Covers Entire System: Yes (Requires GAF Shingles + 3 qualifying accessories).
  • Cost of Installation Labor: Included for 50 years.
  • Workmanship Coverage: None
  • Tear-off Costs: Included.
  • Disposal Costs: Not Included.
  • Transferable: Yes.
  • Manufacturing Defects Coverage: 100% Coverage Period for 50 Years (on Lifetime Shingles).
  • Covers Entire System: Yes (Requires GAF Shingles + 4 qualifying accessories).
  • Cost of Installation Labor: Included for 50 years.
  • Workmanship Coverage: 10 Years (Backed by GAF).
  • Tear-off Costs: Included.
  • Disposal Costs: Included.
  • Transferable: Yes.
  • Manufacturing Defects Coverage: 100% Coverage Period for 50 Years (on Lifetime Shingles).
  • Covers Entire System: Yes (Requires GAF Shingles + 5 qualifying accessories).
  • Cost of Installation Labor: Included for 50 years.
  • Workmanship Coverage: 25 Years
  • Tear-off Costs: Included.
  • Disposal Costs: Included.
  • Transferable: Yes.
GAF Master Elite contractor logo
J&J Roofing & Construction and the Building Industry Association for Roofers
J&J Roofing & Construction, Accredited Roofing contractors on the Better Business Bureau - BBB
J&J Roofing partners with Profund to offer flexible customer financing options.

Recent Lake Oswego Roofing Projects

Our Roofing Service Areas

J&J Roofing & Construction is a multi state contractor licensed in Oregon (CCB# 220419). We provide expert repairs and full replacements for the following communities:

Popular Service Locations

Frequently Asked Questions

Permit requirements can vary depending on the scope of the roofing project and whether structural work is involved. When a permit is required, the project must follow the applicable City of Lake Oswego building and inspection requirements. J&J can help coordinate permitting requirements that apply to the approved roofing project.
Shaded roofs and properties with mature trees may accumulate leaves, needles, moss, and other organic debris more quickly than more exposed roofs. The amount of buildup varies by the individual property, roof material, pitch, drainage, sun exposure, and surrounding vegetation. Regular observation and appropriate cleaning or maintenance can help address these conditions when they occur.
Roofing work can be performed during wetter months when weather conditions and the project schedule allow it. J&J plans tear-off and installation around the forecast and the amount of roofing that can be properly protected and completed during the work period. The exact approach depends on the roof, project scope, and weather conditions.
The recommendation depends on the condition of the roof. Localized damage may sometimes be suitable for repair when the surrounding roofing remains serviceable, while widespread deterioration, repeated leaks, extensive decking damage, or other conditions may make replacement the more practical option. J&J evaluates the roof before recommending a scope of work.
The service life of a standing seam metal roof depends on the metal roofing system, installation, roof design, exposure, maintenance, and other property-specific conditions. Metal roofing is generally considered a long-lasting roofing option, but the expected service life should be evaluated based on the specific system selected and the manufacturer’s specifications and warranty.
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