Why You Should Always Check the Windows When Touring Older Portland Homes
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When you’re touring an older Portland home, whether it’s a Craftsman in Sellwood, a mid-century in Raleigh Hills, or a bungalow in Laurelhurst, don’t forget to check the windows.
They might not be as glamorous as quartz countertops or refinished hardwood floors, but old windows can tell you a lot about a home’s condition...and about the repair bills that might be waiting for you down the road.
Wood-Frame Windows: Classic Look, Classic Maintenance
Wood-frame windows are common in older Portland homes, and they add charm and authenticity. But they also require care and a sharp eye during a showing.
Here’s what to watch for:
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Single-pane glass: Many older wood windows are single-pane, which means poor insulation and higher heating bills. (Yes, you’ll feel it every winter when your furnace becomes your best friend.)
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Cut sashes: Sometimes homeowners have “cut” or trimmed down sashes to make the windows operate again after years of paint buildup or swelling. It’s a quick fix that can lead to bigger problems later.
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Operation check: Try opening and closing a few. If they’re jammed, warped, or painted shut, that’s a clue about deferred maintenance.
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Frame condition: Look for soft spots or peeling paint near the sill; that can indicate moisture intrusion or early rot.
Pro Tip: If you’re set on keeping original windows, budget for weatherstripping, reglazing, or even custom storm windows. The charm is worth preserving, but only if it’s functional (and dry).
Aluminum-Frame Windows: Durable but Often Drafty
Aluminum windows became popular in the mid-20th century — and while they’re durable, they come with their own issues, especially in Portland’s damp climate.
Here’s what to look for:
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Condensation: Aluminum conducts temperature easily, so you may notice condensation forming on the interior side. Over time, that moisture can cause water damage to the sill or trim.
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Water stains or swelling: Check for bubbling paint, darkened wood, or soft areas around the window frame. Those are signs that condensation has been a long-term guest.
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Operation: Make sure the windows open and close smoothly. Settling in older homes can shift the frame just enough to throw the window out of square, which means it sticks, leaks, or won’t latch properly.
Pro Tip: Upgrading to newer, thermally broken aluminum or composite windows can help reduce condensation and improve efficiency while maintaining that clean, mid-century look.
Settling, Square Frames, and Hidden Damage
Portland homes - especially the older ones - have had decades to settle into the landscape. Sometimes that natural movement affects window alignment.
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If the window looks slightly crooked or rubs when opening, the home might have experienced foundation settling or shifting over time.
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Out-of-square windows aren’t just annoying; they can let in drafts, leak during heavy rain, and make replacement more complex (and expensive).
Pro Tip: If you suspect settling, ask your home inspector to check for cracks near window corners or uneven trim gaps. These subtle clues can reveal much bigger structural movement.
Condensation and Water Damage: The Sneaky Budget Killers
Condensation isn’t just a cosmetic issue; it’s a silent signal of potential damage.
When moisture repeatedly collects on or around window sills, it can lead to:
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Rotting wood sills or frames
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Mold and mildew buildup (especially in shaded or poorly ventilated rooms)
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Peeling paint and drywall damage
In Portland’s climate, where humidity and rain are part of the deal, unchecked condensation can quietly turn into a major repair.
Pro Tip: If you notice staining, soft wood, or moldy smells near a window, assume water has been getting in for a while. It’s worth having it inspected before you fall in love with the home’s “character.”
Bottom Line: Windows Matter More Than You Think
When you’re buying an older Portland home, the windows are more than just a view — they’re a window (literally) into how well the property’s been maintained.
Before you write an offer, take a few minutes to check how they look, feel, and function. A few small warning signs now could save you from big headaches — and big bills — later.
If you’re planning to buy an older home, I can help you spot the details that matter most — from window sills to foundation lines — and guide you toward a smart, informed purchase.
📞 Call or text me anytime to talk about buying an older Portland home with confidence.
