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Top Roof Inspection in Tigard, Oregon Ranked
A professional roof evaluation is a critical service for any homeowner in Tigard. Given our region's high moisture levels, frequent wind events, and the relentless growth of moss and algae, a systematic assessment of your roofing system is the first line of defense against costly water damage and premature failure. A thorough roof survey goes beyond a simple glance from the ground; it involves a detailed examination of shingles, flashing, ventilation, gutters, and the attic interior to provide a complete picture of your roof's health and compliance with local building codes. Understanding what this process entails and what local specialists look for can empower you to make informed decisions about maintenance, repairs, or replacement.

Nonprofit Home Inspections
1515 SW 5th Ave #825, Portland, OR 97201
Nonprofit Home Inspections offers a wide range of home inspection services in Portland, OR, including roof inspections and certifications. They provide detailed reports with thermal imaging and drone rooftop imaging to help clients understand property conditions clearly. The company serves many areas across Oregon and Washington and supports low-income clients with sliding scale pricing. Their inspectors are known for thoroughness and extensive knowledge, often spending several hours on inspections to uncover hidden issues and provide comprehensive findings.

45th Parallel Home Inspection
16420 SE McGillivray Blvd Ste 103 #681, Vancouver, WA 98683
45th Parallel Home Inspection offers comprehensive home inspection services in Portland, OR, and surrounding areas including Vancouver, WA, and Clark County. Their services include roof inspections, radon testing, sewer line video inspections, and specialized inspections for stone, stucco, and EIFS with moisture testing. The company provides detailed, photo-rich reports to help clients understand the condition of their property. With a focus on thorough evaluations for home buyers, sellers, and homeowners, 45th Parallel emphasizes proactive maintenance and informed decision-making. Their inspectors are fully licensed and insured, ensuring consistent quality across all inspections.

Timberline Inspections LLC
14050 SW Pacific Hwy # 201, Tigard, OR 97224
Timberline Inspections LLC provides roof inspection and certification services in Portland, OR. They use advanced technology such as drones with 4K cameras to safely inspect roofs when walking them is unsafe or not possible. The company is known for thorough and detailed inspection reports that include photos and clear explanations. Timberline Inspections has been a trusted choice for many home buyers and sellers in the area, offering comprehensive evaluations that help clients make informed decisions.
Compass Home Inspections LLC
12606 NE 95th St Suite C-170, Vancouver, WA 98682
Compass Home Inspections LLC is a licensed and certified home inspection company based in Vancouver, WA. They offer comprehensive home inspection services including roof inspection, roof certification, sewer line inspection, manufactured home foundation certification, and radon testing. Serving Vancouver and surrounding areas such as Clark County, Cowlitz County, Skamania County, and the Portland Metro area, they follow InterNACHI standards to provide detailed reports with images and videos to help clients make informed decisions. Compass Home Inspections also offers online scheduling available 24/7.

Geek Roofing
500 SW 116th Ave suite #66, Portland, OR 97225
Geek Roofing is a roofing contractor based in Portland, OR, offering roof installation, replacement, repair, inspection, and certification services. They serve the Portland metropolitan area and surrounding locations, providing expert roofing solutions designed to protect homes and improve energy efficiency. Geek Roofing is recognized as a GAF Master Elite-certified installer, placing them among the top 2% of roofing contractors in North America. Their services include premium roofing materials with lifetime warranties and enhanced attic ventilation systems to help reduce moisture and cooling costs. The company is known for clear roof assessments and transparent project management throughout the process.
Why Roof Evaluations Are Essential in Tigard
The Pacific Northwest climate presents unique challenges for roofing materials. The persistent dampness is a primary catalyst for organic growth like moss and algae, which can lift shingles and trap moisture against the roof deck, leading to rot 1. Seasonal wind storms can test the integrity of shingle seals and flashing details. A professional roof assessment in Tigard is designed to identify these weather-related stressors early. Furthermore, such an evaluation ensures your roof meets the specific requirements of the Oregon Residential Specialty Code (ORSC), which governs proper installation techniques, ventilation ratios, and edge details crucial for long-term performance in our environment 1 2. Whether you're planning for routine maintenance, filing an insurance claim, or preparing to sell your home, a certified inspection provides the documented evidence needed for sound planning.
The Comprehensive Roof Inspection Checklist
A quality roof examination in Tigard follows a meticulous, multi-point checklist. Reputable contractors will evaluate both the exterior and interior components of your roofing system to uncover visible and hidden issues.
Exterior Visual Assessment (Ground & Ladder)
The inspection begins with a visual survey from the ground and then closer examination via ladder.
- Shingles or Roofing Material: The inspector looks for missing, cracked, curled, or buckling shingles. A significant loss of granules (the sandy coating on asphalt shingles) is a common indicator of advanced age and UV damage 1 3.
- Moss, Algae, and Debris: The presence, type, and extent of organic growth are documented, as they are direct indicators of excess moisture retention 1 4.
- Flashings: This is a critical component. The condition of metal flashing around chimneys, vents, skylights, walls, and in roof valleys is checked for rust, cracks, or separation. Proper flashing is essential for diverting water away from these vulnerable intersections 1 3 5.
- Gutters and Downspouts: Inspectors look for clogs, rust, sagging, or detachment. They also check that downspouts direct water well away from the home's foundation to ensure proper drainage 4 6.
- Vents and Penetrations: All roof vents, plumbing stacks, and other penetrations are checked for secure, watertight seals and intact caps.
- Surrounding Environment: The proximity of overhanging tree branches that could scrape the roof or deposit excessive debris is noted 4.
Close-Up On-Roof Inspection
For a definitive diagnosis, the inspector will safely walk the roof surface.
- Material Integrity: They examine shingle sealant strips (the adhesive that holds shingles down in wind) and look for specific damage patterns from hail or high winds 3 7.
- Flashing Details: On-roof inspection allows for a hands-on check of flashing integrity at all critical junctions, ensuring no corners are loose or sealant is failing.
- Ventilation System: The balance and condition of intake (soffit) and exhaust (ridge or gable) vents are assessed. Proper attic ventilation is vital in our damp climate to prevent moisture buildup and ice dams in winter 1 2.
Attic or Interior Inspection
The underside of the roof tells a hidden story. A complete inspection includes accessing the attic space.
- Water Stains and Mold: Visible stains, streaks, or mold growth on the underside of the roof sheathing or rafters are clear evidence of past or active leaks 8 5.
- Sheathing Condition: The inspector checks for any signs of sagging, soft spots, rot, or daylight peeking through, which would indicate holes or severe deterioration 8 6.
- Insulation and Ventilation: The attic is checked for adequate, dry insulation and clear, unobstructed airflow from intake to exhaust vents. Proper ventilation protects the roof structure and improves home energy efficiency 2 8.
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Understanding Inspection Types and Associated Costs in Tigard
The scope and price of a roof evaluation can vary based on the level of detail required and the tools used.
- Basic Visual/Walkaround Inspection: This is a standard evaluation performed from the ground, ladder, and attic. It provides a general assessment of the roof's condition and identifies obvious issues. Many local contractors offer this type of inspection at a modest fee, sometimes even for free if you are considering them for repair work. In Tigard, you can expect pricing for a formal basic inspection to generally range from $150 to $300+ 1 9 10.
- Detailed Inspection with Advanced Diagnostics: For complex roofs, pre-purchase real estate transactions, or suspected hidden damage, a more comprehensive analysis is recommended. This often includes tools like infrared thermal imaging cameras to detect moisture trapped within the roof system, precise moisture meters, and sometimes drone photography for hard-to-reach or very steep roofs. This service yields a highly detailed report with photographic evidence. Given the specialized equipment and expertise, pricing for a detailed inspection in our area typically ranges from $300 to $700 or more 1 9 11.
It's important to request a clear explanation of what is included in any quoted price and to ensure the inspector is familiar with Tigard's specific climate challenges and ORSC codes.
Local Considerations for Tigard Homeowners
When arranging for a roof assessment, keep these local factors in mind:
- Climate Adaptation: A competent local inspector will specifically target issues prevalent in the Willamette Valley, such as moss remediation needs, wind uplift resistance, and ventilation strategies for high humidity 1.
- Code Compliance: The inspector should be knowledgeable about the Oregon Residential Specialty Code, particularly regarding requirements for drip edge flashing, proper nailing patterns, and the 1:150 ventilation ratio (1 sq. ft. of net free vent area per 150 sq. ft. of attic floor space) that is crucial for our region 1 2.
- Common Roof Types: While asphalt composition shingles are most common, Tigard homes may also have metal roofing or low-slope sections with TPO/EPDM membranes. Each material requires specific inspection protocols-for example, checking metal roof fastener tightness and sealant bead integrity or inspecting membrane seams for TPO roofs 1.
Frequently asked questions
Sources
Footnotes
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Oregon / Washington Roof Consulting, Roof Certification, and ... - https://oregonroofconsulting.com/checklists ↩ ↩2 ↩3 ↩4 ↩5 ↩6 ↩7 ↩8 ↩9 ↩10 ↩11
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Portland Roofing Permits | Code & Inspection Checklist - https://bluemoonroofs.com/portland-roofing-code-permit-checklist/ ↩ ↩2 ↩3 ↩4
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Roof Inspections Made Easy: 6 Essential Elements to Know - https://briandawsonroofing.com/6-elements-of-a-roof-inspection/ ↩ ↩2 ↩3
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5 Tips for a Roof Inspection | AHS - American Home Shield - https://www.ahs.com/home-matters/repair-maintenance/diy-tips-roof-inspection/ ↩ ↩2 ↩3
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Roof Inspection vs. 4-Point Inspection - RoofCrafters - https://www.roof-crafters.com/learn/roof-inspection-vs-4-point-inspection ↩ ↩2
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A Homeowner's Roof Inspection Checklist - https://wernerroofing.com/blog/a-homeowners-roof-inspection-checklist/ ↩ ↩2
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What is a Roofing Inspection - https://www.inspectionsupport.com/what-is-a-roofing-inspection/ ↩
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What to expect during a roof inspection - Liberty+ - Liberty Mutual - https://libertyplus.libertymutual.com/article/what-to-expect-during-a-roof-inspection ↩ ↩2 ↩3
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Roof Inspection Cost In 2025: What's The Best Option For You - https://cabezonroofing.com/blog/roof-inspection-cost/ ↩ ↩2
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How Much Does A Roof Inspection Cost? (5 Factors) - https://jtechconst.com/blog/roof-inspection-cost/ ↩
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How Much is a Roof Inspection in California - https://capitaldeckandstair.com/how-much-is-a-roof-inspection-in-california/ ↩