Skip to content
MoldProsFind · Compare · Decide

Best Mold Pros in Portland, OR

11 contractors

Compare 11 certified contractors for mold mitigation, testing, and crawlspace work.

Regional moisture context: Oregon homes, especially west of the Cascades, see mold after long rainy seasons, crawl-space moisture, roof leaks, and condensation on cooler building surfaces.

Portland market snapshot: 11 of 11 are dedicated mold specialists, 11 show verified credentials, 11 maintain active websites.

Contractors

Data provided by Google Maps

Local Mold Guidance for Portland

Cost estimates, risk data, testing advice, and tools for Portland, Oregon.

Mold in Portland

Contractor density in Portland is lighter than the site's top city markets, so homeowners usually benefit from comparing providers across the broader Portland Metro area while still screening for winter rain, damp crawl spaces, and slow drying in wall assemblies that stay cool for long periods. Local property conditions matter more than broad regional trends, so homeowners in Portland should focus on each building's moisture history and affected materials. 11 local contractors are currently listed, which is enough to compare inspection and remediation options side by side. Among listed providers, 11 show verified credentials or certifications. State context: In Oregon, roof leaks, wet crawl spaces, and condensation on cooler wall surfaces are often the real cause of recurring mold, especially west of the Cascades.

Local Contractor Market

11 contractors are currently listed in this market. 1 have at least five Google reviews, which helps with side-by-side comparison.

Inspection and testing18% (2)
Remediation100% (11)
Water damage work100% (11)
Crawl space and attic work0% (0)

Typical Mitigation Cost

Inspection / testing

$385-$895

Remediation

$2,950-$9,950

Typical local pricing runs around $385-$895 for inspection or testing and $2,950-$9,950 for remediation. Oregon market guidance currently clusters many projects around $1,300 - $4,200, but Portland pricing moves when containment, drying, HVAC cleaning, or reconstruction get added.

  • crawl-space access and moisture-source correction often drive the scope more than visible cleanup
  • wood-framed wall assemblies can require careful demolition and drying
  • higher labor rates in western markets raise the ceiling on moderate projects
Compare your estimate with the cost calculator

Regional Moisture Context

Property-specific moisture pressure. Oregon homes, especially west of the Cascades, see mold after long rainy seasons, crawl-space moisture, roof leaks, and condensation on cooler building surfaces.

Regional climate matters, but home-level moisture conditions still determine whether mold becomes an active problem.

When to Test in Portland

Oregon varies by building type and maintenance history, so the best screening step in Portland is still a property-specific inspection or test. Marine West testing is most useful on crawl spaces, lower walls, and bathrooms where recurring dampness outlasts one-time cleaning. For real-estate transactions, ask for inspection and lab turnaround times up front. For post-remediation projects, schedule clearance or verification testing after cleanup and drying are complete.

Climate Factors in Portland

Marine West moisture pattern

  • Long wet seasons keep roof assemblies, siding, and crawl spaces damp for extended periods.
  • Condensation on single-pane windows and cold walls can feed mold even without a dramatic leak.
  • Long wet seasons and shaded exteriors keep crawl spaces, siding transitions, and lower walls damp.
  • Even without extreme humidity, repeated light moisture events can feed mold in wood framing and insulation.

Common Mold Types in This Area

Species can vary by material and leak history, but these are common names homeowners hear in local inspection and remediation work.

CladosporiumPenicilliumAspergillusAlternariaChaetomium

Helpful Resources

Mold testing & monitoring products for Portland, Oregon

Start with a low-cost test kit, or use a humidity monitor to track conditions after remediation or water damage.

Affiliate disclosure: We may earn a small commission on purchases at no extra cost to you.

Popular Cities for Mold Mitigation in Oregon

Nearby Cities to Compare

Next Steps

FAQ: Mold in Portland

City Resources for Portland

Are you a mold contractor in Portland? Get featured placement above organic results. Learn more