North Portland's Homes Have a Century of History. Your Inspector Should Know Every Chapter.

St. Johns craftsman bungalows, Kenton mid-century ranches, and brand-new infill builds can sit side by side on the same block. Each one has a completely different inspection profile. As a Certified Master Inspector® with 10+ years of home inspection experience and 12 years of contractor experience, Russ knows what to look for in each one.

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Russ Motyko, Certified Master Inspector performing a home inspection
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North Portland Housing Market

$523,862
Median sale price
19 days
Median days on market
638
Homes sold last month
1,626
Homes for sale now
Live Market Data · Updated March 2026
• Source: Redfin Data Center

North Portland Know-How

These Homes Have History. So Do I.

A North Portland Oregon home representative of the Multnomah County housing stock Russ inspects
North Portland, Oregon

North Portland is one of the most historically layered housing markets in the metro. You have 1910s craftsman bungalows in St. Johns and Arbor Lodge, post-war ranches in Kenton and Overlook, mid-century construction in University Park and Piedmont, and a wave of infill new builds that started appearing on vacant lots across the area about a decade ago. Each era has its own inspection profile. A real North Portland inspection looks completely different depending on what decade you're walking into.

Not only do I have 10 years of inspector experience, I have also worked as a Contractor for 12. While my specialty is difficult and high-end framing jobs, I have replaced roofs, built, painted, and installed cabinets, ran wiring, poured concrete, waterproofed showers, set tile, replaced siding and windows, installed drywall, and set doors - just to name a few. That background matters in North Portland's older housing stock where you're reading 80 or 90 years of repair history layered on top of the original construction.

When I walk a 1925 bungalow in St. Johns, I'm not just checking boxes. I'm reading the house the way a builder would: looking at what was done right, what was patched incorrectly by a previous owner, and what has been quietly failing for years behind finished walls. When I walk a new infill build in Kenton, I'm looking for the grading, flashing, and HVAC installation mistakes that show up reliably on freshly disturbed urban lots. Either way, you deserve that level of scrutiny.

I hold Certified Master Inspector® certification (top 3% of the industry), Oregon OCHI license #1898, and Washington DOL license #1856. Every inspection includes free thermal imaging.

Know What You Are Buying

North Portland Homes by Construction Era

North Portland has more pre-1950 housing stock than almost any other area in the Portland metro. The decade a home was built tells you almost everything about what the inspection will focus on.

Pre-1950 Homes

St. Johns, Kenton, Arbor Lodge, and Cathedral Park were established neighborhoods long before World War II. These craftsman bungalows and early colonials have real architectural character and solid bones. They also have systems that are 75 to 110 years old, often partially updated across multiple owners in ways that create inspection puzzles that take experience to read correctly.

Knob-and-tube wiring is the finding that matters most in this era. It lacks a ground wire, cannot carry modern electrical loads, and is frequently modified incorrectly by previous owners using tape splices or improper junction boxes. Insurance carriers often require full upgrades or decline coverage outright. On top of that, galvanized steel supply pipes in these homes have been corroding from the inside for 70 or more years. Pressure loss and discoloration at fixtures are the visible signs. The full picture is worse than it looks.

Sewer scope inspection is especially valuable here. Cast iron drain lines from this era have been in the ground for 75 to 100 years. Scale buildup, joint seepage, and tree root intrusion are consistent findings when these lines are scoped in North Portland's older neighborhoods.

Common findings in pre-1950 homes
Knob-and-tube wiring
No ground wire, undersized for modern loads, frequently modified incorrectly. Insurance carriers often require upgrades.
Galvanized steel supply pipes
Corroded internally after 70+ years. Reduced pressure and discoloration at fixtures are early signs. Replacement $10,000 to $25,000.
Cast iron drain lines
Scale, joint seepage, and root intrusion after 75 to 100 years in the ground. Sewer scope essential.
Crawlspace moisture and wood rot
Foundations without modern waterproofing managing 80+ years of Pacific NW rainfall and humidity.
Roofs at or beyond service life
Often re-roofed once or twice. Age, layers, and condition documented in report.

1950–1980 Homes

Post-war and mid-century construction fills much of Overlook, University Park, Portsmouth, and the northern reaches of Piedmont. Ranch homes and early split-levels from this period are solid and often well-sited on larger lots. This era generates the most costly inspection findings per dollar of purchase price in North Portland's market because the systems look functional but are quietly approaching failure.

Aluminum branch circuit wiring from the 1965 to 1973 period is a key concern in this era. It expands and contracts differently than copper, and connections loosen over time. Arcing at outlets and switches is a documented fire risk. CO/ALR-rated devices or a full rewire are the standard fixes. Federal Pacific and Zinsco panels from the 1960s and 1970s compound the electrical picture in these homes.

Common findings in 1950–1980 homes
Aluminum branch circuit wiring (1965–1973)
Fire risk at connection points. Requires CO/ALR devices or full replacement. Insurance carriers frequently flag coverage.
Federal Pacific and Zinsco panels
Documented safety concerns. Insurance carriers frequently flag or decline coverage. Replacement strongly recommended.
Polybutylene plumbing (late 1970s builds)
Degrades from chlorine in municipal water. Sudden fitting failure. Insurance often requires replacement. $10,000 to $20,000 to replace.
Crawlspace moisture and vapor barrier failure
Very common in pre-2000 homes in North Portland. Wet winters and poor original detailing combine badly.
Sewer lines approaching end of useful life
Aging cast iron and early Orangeburg lines in this era show significant deterioration. Sewer scope is critical.

1980–2005 Homes

New construction slowed considerably in North Portland during this period compared to the suburbs, but infill and scattered development did occur. Homes from this era look more modern and feel updated. They are now 20 to 45 years old and carry their own specific inspection concerns that are easy to miss without knowing what to look for.

Composite wood siding was widely used in Oregon new construction through the 1990s. Hardboard and wood-fiber siding absorbs moisture in Portland's wet climate and fails from the bottom up, often behind painted surfaces that look fine from a distance. CPVC plumbing was also common from the mid-1990s through the early 2000s. It becomes brittle with age and heat exposure, and cracking at fittings is the early warning sign. Roofs from the late 1990s and early 2000s built with 25-year shingles are now at or past expected lifespan.

Common findings in 1980–2005 homes
Composite wood siding failure
1990s hardboard and wood-fiber siding absorbs moisture in wet climates. Fails from the bottom up, often under paint.
CPVC plumbing brittleness
Becomes brittle with age and heat exposure. Cracking at fittings is the early warning sign.
Roofs reaching end of service life
25-year shingles from 1998 to 2002 are now past expected lifespan. Replacement $10,000 to $20,000.
Deck ledger connection deficiencies
A common code-era deficiency in homes with attached decks from this period.
Radon still present
Oregon homes produce radon regardless of construction era. Test every purchase.

Infill and New Construction

North Portland's infill boom over the past decade has added new homes, duplexes, and ADUs throughout St. Johns, Kenton, Woodlawn, and beyond. Buyers sometimes assume that because the home is brand new, inspection is not necessary. That assumption is expensive when it turns out to be wrong.

New construction inspection in North Portland's infill market consistently finds grading and drainage issues on tightly packed urban lots, HVAC ductwork installation defects, attic insulation and ventilation gaps, and window flashing details that do not meet manufacturer requirements. These are all the builder's or contractor's responsibility before you close, and only yours after. City inspectors check for code compliance phases, but they don't do the same thorough review we do.

The 11-month warranty inspection is designed for buyers who want to document defects before the builder's one-year warranty expires. The clock starts at closing, not when you discover the problem.

Common findings in infill and new construction
Grading and drainage toward foundation
Tight urban lots often have poor drainage. Water running toward the foundation is common and expensive post-close.
HVAC installation defects
Improperly sealed ducts, disconnected exhaust vents, and commissioning errors found regularly.
Flashing deficiencies at windows and doors
Improper installation allows moisture into wall assemblies that look fine from outside. Critical in Portland's rainy climate.
Insulation and ventilation gaps in attic
Thermal imaging finds these. Invisible to the eye and covered by builder warranty if caught in time.
Radon (yes, even in new homes)
Oregon geology produces radon regardless of the home's age. Test every purchase.
Home Risk Quiz

Is Your Dream Home Hiding Significant Issues?

See Your Potential Home Through an Inspector's Eyes.

Transform your observations into a clear risk profile. In just two minutes, you will receive a breakdown of what a professional inspector would be concerned about based on what you saw.

2 minutes
Based on what you saw at the showing
No technical knowledge needed
Free Assessment
Begin Assessment

8 quick questions. No contact info required.

1 of 8
01

How old is the home?

You'll have the year built from the listing or the seller. Home age is the single biggest driver of inspection risk.

02

What did the roof look like from the street?

Look for curling shingles, dark patches, missing granules, or visible moss. A good look at the roof from the ground can tell you more than you'd think.

03

Did you notice any musty smell inside the home?

A musty or earthy odor is the most reliable clue buyers can detect about crawlspace moisture or mold — even without going under the house.

04

Did you see the electrical panel? What did it look like?

It's usually in a utility room, garage, or hallway. Federal Pacific (orange breakers) and Zinsco panels are known fire risks and still common in Portland-area homes from the 1960s to 1980s.

05

Did you notice any water stains on ceilings or walls?

Look near the corners of ceilings, under windows, and in bathrooms. Even old-looking stains matter — they show water has been in places it shouldn't be.

06

How did the overall condition of the home feel?

Trust your gut. A home that feels well-loved and maintained usually is. One that feels neglected almost always has deferred items hiding out of sight.

07

Did the home have a finished basement, addition, or garage conversion?

These are some of the most common places to find unpermitted work. A finished space isn't automatically a problem — but without permits, there's no record of whether it was done safely.

08

Where are you in your homeownership journey?

This helps us tailor your results to your situation.

Know Your Neighborhood

North Portland Area by Area

Each part of North Portland has its own housing age, character, and inspection profile. Here is what buyers typically encounter in each area.

St. Johns & Cathedral Park
1910s – 1950s

Portland's northernmost neighborhood has some of the oldest housing stock in the metro. Craftsman bungalows and early colonials built before World War II dominate the streetscape. Knob-and-tube wiring, galvanized supply pipes, and cast iron drain lines are the core inspection concerns. Structural character is strong. System updates are the conversation.

Kenton
1920s – 1960s

A compact, walkable neighborhood that has seen strong buyer interest in recent years. Homes range from early bungalows to post-war ranches. The mix of eras means each property needs its own assessment. Electrical patchwork across multiple owners is common here. So is deferred crawlspace maintenance. Pre-offer inspection is particularly valuable in a neighborhood moving this fast.

Arbor Lodge & Overlook
1920s – 1960s

Two of North Portland's more established residential neighborhoods, with a mix of pre-war bungalows and mid-century construction on tree-lined streets. Galvanized plumbing and aging electrical systems are common in the older homes. Overlook's elevated position means drainage tends to run away from foundations, which is a relative advantage in Portland's wet climate.

University Park & Portsmouth
1940s – 1970s

Post-war and mid-century ranch homes on modest lots, generally well-maintained by long-term owners. Homes from the 1965 to 1973 window need careful electrical review for aluminum branch circuit wiring. Federal Pacific and Zinsco panels from this era also appear here. Solid construction era, but the electrical systems are the story buyers need to understand.

Woodlawn & Humboldt
1910s – 1960s, with infill

Older housing stock with a growing layer of infill construction. Some blocks mix century-old bungalows with brand-new builds on vacant lots. That means buyers in this area need an inspector who can correctly evaluate homes from both ends of the spectrum. Original era concerns apply in older homes; grading and flashing issues are the focus in new ones.

Piedmont & Hayden Island
Mixed eras

Piedmont's mid-century housing stock sits on generally flat terrain. Crawlspace drainage and vapor barrier condition are recurring findings here. Hayden Island is a different property type entirely, with manufactured homes and floating homes that require a different inspection approach and additional specialist review for the marine or manufactured structure components.

Multnomah County Risk Factors

What Makes North Portland Homes Different to Inspect

North Portland's age, climate, and infill development patterns create specific inspection concerns that go beyond what you would find in newer suburban markets.

Century-Old Electrical Systems

A higher percentage of North Portland's housing stock predates modern electrical codes than almost any other area of the metro. Knob-and-tube wiring, ungrounded outlets, aluminum branch wiring, and problem panel brands all show up regularly here. Each one carries real safety and insurability implications. Knowing which electrical issues are present before you close changes everything about how you approach the purchase.

Most common in pre-1975 housing stock

Crawlspace Moisture in a Wet Climate

Portland averages over 36 inches of rain per year, and much of that moisture finds its way into crawlspaces beneath older North Portland homes. Original foundations from the 1910s through the 1950s were not designed with modern vapor barriers or drainage systems. Moisture intrusion, wood rot at floor framing, and mold growth in crawlspaces are findings we see on a regular basis in this part of the city.

Very common in pre-2000 homes

Aging Underground Infrastructure

In North Portland's oldest neighborhoods, original sewer and drain lines have been in the ground for 80 to 100 years. Cast iron corrodes, joints separate, and tree roots find their way in. Sewer scope inspection is one of the most important add-ons for buyers in St. Johns, Kenton, and Cathedral Park. A failed sewer line discovered after closing costs $10,000 to $25,000 to replace, and it is entirely preventable with a pre-purchase scope.

Sewer replacement: $10,000 to $25,000
Full Scope Inspection

Everything We Check in a North Portland Home

Every inspection covers all accessible systems and components, roof to crawlspace. We physically enter attics and crawlspaces. We operate every system we can safely access. We do not check boxes. We evaluate the home.

Roof & Attic

Shingles, flashing, gutters, attic insulation, ventilation, and moisture.

Electrical

Panel, breakers, wiring type, outlets, GFCI and AFCI protection.

Plumbing

Supply pipe material, drain lines, water heater, pressure, and fixtures.

HVAC

Furnace, AC, heat pump, ductwork, and distribution. Age and condition noted.

Foundation & Structure

Cracks, settling, retaining walls, and visible structural framing.

Crawlspace

Full physical entry. Moisture, vapor barrier, insulation, and wood rot.

Interior

Walls, ceilings, floors, windows, doors, and built-in appliances.

Exterior & Grading

Siding, deck, driveway, grading, and drainage away from foundation.

Free Thermal Imaging on Every North Portland Inspection

North Portland's older homes and wet climate mean moisture gets into wall assemblies and crawlspaces in ways that are invisible to the eye. The infrared camera finds it. Electrical hot spots, insulation gaps, and slow leaks behind finished walls are standard thermal findings in this housing stock. Included at no extra charge because in these homes it is not optional equipment.

Learn More →
Oregon Radon-Affected State

Radon Testing in North Portland

Oregon is a radon-affected state, and homes across Multnomah County including North Portland can have elevated radon levels. Radon is a colorless, odorless radioactive gas produced naturally by uranium breaking down in soil and rock. It seeps into homes through foundation cracks, crawlspace openings, and soil contact. You cannot smell or see it. The only way to know your level is to test.

County-level data shows elevated potential across the Portland metro, but radon levels vary significantly from property to property based on soil conditions, foundation type, and ventilation. Your neighbor's test result does not predict yours. Every home needs its own test. Basements and crawlspaces in North Portland's older housing stock are areas where radon can accumulate especially easily.

We recommend radon testing on every North Portland inspection. If levels exceed 4 pCi/L (the EPA action level), a mitigation system typically costs $800 to $1,500. That is a reasonable item before closing. It is much harder to address after.

Learn About Radon Testing →
Radon facts for North Portland buyers
#2
Second-leading cause of lung cancer in the U.S. After smoking. Responsible for about 21,000 deaths per year nationally.
1 in 4
Portland metro homes test above EPA action level Individual testing is the only way to know your home's actual level.
48h
Test takes 48 hours Continuous electronic monitor placed at the start of the inspection. Digital results delivered promptly.
$150
Added to your inspection Standalone testing is $195. Add it at booking and save $45.

Transparent Pricing

Simple, Flat-Rate Pricing

No hidden fees, no surprise add-ons. Thermal imaging is included on every inspection.

Starter Standalone Inspection
$395up to 1,000 sq ft
  • Full home inspection
  • Free thermal imaging
  • Roof & crawlspace
  • Detailed digital report
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Most Common Inspection + Radon
$545up to 1,000 sq ft
  • Full home inspection
  • Free thermal imaging
  • Detailed digital report
  • EPA-certified radon test
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Best Value Inspection + Radon + Mold
$740up to 1,000 sq ft
  • Full home inspection
  • Free thermal imaging
  • Detailed digital report
  • EPA-certified radon test
  • Mold air sampling & lab results
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See our full pricing page for all size ranges.

Client Stories

What people say about Russ

Real reviews from clients across Portland Metro & SW Washington.

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Common Questions

North Portland Home Inspection FAQs

Questions buyers in North Portland and Multnomah County ask most before booking.

Most North Portland home inspections take 2.5 to 4 hours depending on the size, age, and condition of the home. Older bungalows in St. Johns or Kenton often run toward the longer end because there is more to document. Pre-war homes with original systems and multiple generations of updates take more time to read accurately. You are welcome to attend the entire inspection or join for the walkthrough at the end.
The biggest concerns in North Portland's pre-1950 housing stock are knob-and-tube or aluminum wiring, galvanized steel supply pipes, cast iron drain lines approaching end of useful life, and crawlspace moisture from 80 or more years of Pacific NW rainfall. In homes from the 1965 to 1973 window, aluminum branch circuit wiring is a real electrical safety issue. Federal Pacific and Zinsco panels appear across the 1960s and 1970s stock. Every decade has its own profile, and the inspection approach changes accordingly.
Yes. New construction inspection is one of the most important services we offer for North Portland buyers. City inspectors check specific code phases at minimum standards. They don't evaluate the finished home the way we do. Our inspections on new North Portland infill builds regularly find grading that directs water toward the foundation, HVAC installation defects, improper flashing at windows and doors, and insulation gaps in attics. These are all the contractor's responsibility before you close, but only if you have a written report documenting them. We also offer an 11-month warranty inspection for buyers who want to catch issues before their builder warranty expires.
Your report is delivered through Spectora with high-resolution photos of every significant finding, severity ratings, and plain-language explanations. The priority is accuracy and detail, not speed. Most reports go out the same day. Older homes with more findings may take until the next morning. After you get your report, call or text with any questions. Unlimited follow-up is included.
We serve the full Portland metro and SW Washington within approximately a 35-mile radius of Oregon City, which covers all of Multnomah County including North Portland, Northeast Portland, Southeast Portland, and surrounding communities, plus all of Clark County, WA. We're available 7 days a week and can often accommodate same-week bookings in the active Portland market. Call or text (971) 202-1311 if you have a tight timeline.
Thermal imaging is included at no extra charge on every inspection. Competitors in the Portland metro typically charge $150 to $250 for this as a separate add-on. Russ includes it because the infrared camera consistently reveals moisture intrusion, insulation voids, and electrical anomalies that are invisible to the naked eye. In North Portland's older homes, it is particularly useful for finding slow leaks behind walls. Learn more about thermal imaging.
The Certified Master Inspector® (CMI®) designation is the highest credential in the home inspection profession, held by the top 3% of the inspection industry. It requires a verified track record of completed inspections, education, and peer review. Russ is Oregon City's only Certified Master Inspector® with 10+ years of home inspection experience and 100+ inspectors trained. Learn more about the CMI® designation.
That decision is yours and your agent's to make. During the inspection contingency period, you can negotiate a price reduction, request repairs or credits, or walk away. None of those options exist after closing. The report is your documentation. Russ is available after delivery to help you understand what is critical, what is manageable, and what the findings mean technically.
Yes. Trusted Home Inspections is veteran-owned and offers a 10% military discount for veterans, active duty, reservists, National Guard members, and military families. Mention your service when you book. See full details at trustedhome.org/military-discount.

Where We Inspect

Serving Portland Metro & Southwest Washington

Available 7 days a week within a ~35-mile radius of Portland. Not sure if we cover your area? Just call.

~35-mile radius from Portland
Available 7 days a week
Dual-licensed OR & WA
Oregon state-licensed home inspector seal
Oregon Certified OCHI Lic. #1898
Washington state-licensed home inspector seal
Washington Licensed DOL Lic. #1856

Multnomah County home inspections. Portland and the rest of Multnomah County are full of older housing stock, including 1920s craftsman bungalows in SE Portland, Pearl District lofts, and mid-century homes in NE Portland. Older homes mean knob-and-tube wiring, cast iron drains, and aging foundations. I’ve inspected hundreds of homes across Multnomah County and know exactly what to look for in each neighborhood.

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