Roof Inspection Findings:
A Portland Agent’s Guide
Roof findings generate more questions than almost any other part of an inspection. This guide covers what the findings actually mean, when specialist follow-up is needed, and what agents can expect from the report.
Roof findings make buyers nervous. Some of that concern is warranted. Most of it isn’t. The challenge for agents is knowing which is which, and that starts with understanding what the inspection actually found versus what it didn’t.
This guide covers what shows up most often in Portland-area roof inspections, what the findings mean, and when specialist follow-up is the right call. It also covers what the inspector’s job is, and what it isn’t, so agents know where the line sits.
Russ Motyko is Oregon City’s only Certified Master Inspector®, dual-licensed in Oregon and Washington, and a licensed general contractor. He has completed more than 3,000 inspections across this market. Roof condition is one of the things he sees most, and the notes below reflect what he actually finds in Portland-area homes.
What the Roof Inspection Covers
Every standard inspection at Trusted Home Inspections includes a full roof inspection. There’s no add-on fee. Russ walks the roof when conditions allow: pitch, surface condition, and weather permitting. When the roof can’t be safely walked (steep pitch, wet tile, fragile material), a drone is used. Either way, the roof gets thoroughly documented.
The inspection covers the roofing material itself, all flashing locations, gutters and downspouts, soffits and fascia, and visible portions of the roof deck from the attic. What it does not include: invasive probing beneath shingles, removal of any roofing material, or quantitative assessment of remaining lifespan. The inspector reports what is observable and accessible.
That last point matters for agents. A roof that looks worn might have years of life left. A roof that looks clean from the street might have significant flashing problems. The only way to know is to get on it and look.
The Most Common Roof Findings in Portland
The Pacific Northwest’s climate shapes what shows up most often on area roofs. Extended wet seasons, temperature swings, moss growth, and debris from nearby conifers all contribute. Here’s what agents should expect to see reported.
Moss and algae growth is the most common finding on Portland-area roofs. It is also frequently the most misunderstood. Surface moss is a maintenance condition. It can be treated and removed. Where it matters more is when growth is heavy enough to have lifted shingle tabs, when it is concentrated around flashing where it traps moisture, or when it signals that the shingles have lost their protective granule coating and are more susceptible to growth. The report will note the extent and location.
Flashing deficiencies are the most consequential findings. Flashing at chimneys, skylights, dormers, and pipe penetrations is where water gets in. Missing sections, open gaps, separated counter-flashing, and cracked pipe boots all get documented. Some are maintenance items. Others warrant a licensed roofer’s attention before closing. The report makes clear which is which.
Shingle wear and age shows up in various ways: granule loss, surface cracking, curling at the edges, or brittle tabs. Composition shingles typically last 20-30 years depending on quality and conditions. Many Portland homes have roofs approaching or past that range. The inspector documents observed wear and notes whether conditions suggest the roof is approaching end of useful life.
Improper installation is more common than most people expect. Shingles nailed too high, valleys cut improperly, flashing that was surface-applied instead of correctly integrated with the shingle course. These are installation defects that may not cause immediate problems but represent elevated risk. They get documented.
Gutter condition is part of every roof inspection. Gutters that have pulled away from the fascia, improper slope, missing downspout extensions, or blockage that has caused overflow staining on the siding all get noted. Gutter findings are usually maintenance items, but they matter. Water that doesn’t drain properly can affect the foundation.
When the Report Says “Roofer Evaluation Recommended”
This is the phrase agents need to act on quickly. When the report recommends a licensed roofer’s evaluation, that means the inspector found a condition he cannot fully assess from the surface, or found something that warrants a contractor’s eyes and a specific repair or replacement assessment.
Common triggers:
- Open flashing gap at a chimney or skylight with no sealant or counter-flashing
- Evidence of active water intrusion at the roof deck, visible from the attic
- Multiple areas of shingle damage or displacement
- Improper installation that creates structural vulnerability
- Conditions that could not be accessed from the roof surface
Getting a roofer out during the contingency period gives buyers specific information: what needs repair, what it costs, and how long the roof realistically has before replacement is needed. That information is useful regardless of what happens in the transaction.
What agents should not do is ask the inspector to characterize how serious it is, whether buyers should be worried, or what it means for price. That’s not the inspector’s role. The inspector documented the condition and recommended follow-up. The roofer’s visit produces the specific information needed to understand what it means in practical terms.
When the report flags a condition for roofer evaluation, schedule that visit in the first half of the contingency window. Waiting until day nine of a ten-day period leaves no time to act on what the roofer finds.
Portland-Specific Conditions Agents Should Know
Roof conditions that show up regularly in the Portland metro
- Composition shingle roofs from the 1990s and early 2000s are approaching end of life across much of the older Portland housing stock
- Chimney flashing is the highest-risk location on Portland area homes; extended wet seasons stress flashing joints every year
- Cedar shake roofs, more common in older SW Portland and Lake Oswego neighborhoods, require specific maintenance and have different inspection considerations than composition shingle
- Flat and low-slope roofs are more common in mid-century Portland homes and require different roofing systems (membrane or built-up roofing) that have their own inspection considerations
- Oregon’s rainy season starts before most sellers schedule maintenance, which means inspections in fall and early spring often catch deferred maintenance that dry-season inspections miss
- Tree debris from firs and cedars accumulates in valleys and around penetrations faster than in most markets
Agents working Portland’s older eastside neighborhoods, North Portland, or inner SE can expect roof findings on a significant percentage of their transactions. That’s not a red flag. It’s the nature of older housing stock in a wet climate. The goal is to understand what’s there, not to be surprised by it.
What the Report Looks Like
Russ delivers detailed, photo- and video-rich inspection reports. Most are delivered the same day as the inspection. That timing matters for agents managing contingency deadlines.
The roof section of the report documents conditions at each location: material type, age if determinable, condition by area, flashing observations at each chimney, skylight, and penetration, gutter condition, and attic observations relevant to the roof. Photos accompany each finding. Conditions that warrant further evaluation are flagged clearly with recommendations for next steps.
The report does not tell buyers what to do. It gives them the information to make their own decision. Agents who understand the report structure can help their clients read it without overreacting to every flagged item or missing the ones that actually need attention.
Agents who want to see what a full inspection report looks like can request a sample through the Trusted Home Inspections realtor resources page. For buyers navigating the inspection process, the buyer’s home inspection page covers what’s included on every inspection. Schedule through the online scheduler. Most appointments are available within a few business days.
Roof Inspection Findings Agent FAQ
