Advice From Under the House
No fluff and no gated PDFs. Real pricing, real diagnosis and the seasonal maintenance that keeps a Portland basement dry, written by the people holding the concrete saw.
Showing 1 to 9 of 9 articles
Interior Drainage vs. Exterior Excavation: Cost, Time and Disruption Compared
Interior drainage runs $72 to $98 per linear foot and finishes in days. Exterior excavation costs more and takes longer. Here is where the extra cost actually goes.
French Drains vs. Sump Pumps: How They Work Together
A French drain collects water. A sump pump removes it. They are two halves of one system, and one without the other does not work.
Read article
Can You Waterproof Your Own Basement? What DIY Actually Fixes
Yes for grading and downspouts. No for hydrostatic pressure or a structural crack. Here is where the line actually sits, and why hardware-store sealant fails.
Read article
How to Waterproof a Basement From the Outside
Excavation, membrane, a new footing drain and backfill, in that order. Here is what exterior basement waterproofing actually involves on a Portland house.
Read article
Interior vs. Exterior Basement Waterproofing: Which One Does Your Portland Home Need?
Most Portland basements only need interior drainage. Exterior excavation earns its cost in a smaller set of cases. Here is how to tell which one is yours.
Read article
The Portland Rainy Season Basement Checklist
A 45-minute September walkthrough that prevents most January basement emergencies: gutters, downspout lines, grading and the sensor worth twenty dollars.
Read article
Crack Repair or Full Waterproofing? How to Tell Which One You Need
A $600 injection and a $10,000 waterproofing job solve different problems. Here is how to tell which one your Portland basement actually has.
Read article
9 Signs Your Portland Basement Needs Waterproofing (Before the Water Shows Up)
Efflorescence, a musty smell, a cove-joint stain, doors that stick, the early warnings a wet basement gives you months before the rainy season floods it.
Read article
What Basement Waterproofing Actually Costs in Portland (2026)
Real Portland pricing for basement waterproofing, crack repair and crawl space work, what drives the number up, and where the cheap quote is hiding something.
Read articleCovering Every Basement Across Portland
Portland ZIP codes we cover
Request Your Free Basement Inspection Today
Water in the basement, a foundation crack you have been watching, or a crawl space nobody wants to open. Get a straight diagnosis from Basement Waterproofing Portland, with fast response, fixed pricing and workmanship guaranteed for life across the city of Portland.