How Much Does Crawl Space Encapsulation Cost in Oregon?
Oregon pricing is near the national average. Updated for 2026.
Crawl Space Encapsulation Pricing in Oregon
In Oregon, the average cost for crawl space encapsulation is $7,150 per project, which is 10% higher than the national average of $6,500. Most Oregon residents pay between $3,300 and $13,200.
Oregon has costs that track closely with the national average, though prices can still vary between urban and rural areas within the state.
Crawl space encapsulation seals your home's crawl space with heavy-duty moisture barriers on the floor, walls, and sometimes ceiling. Combined with a dehumidifier, it prevents moisture damage, mold growth, pest intrusion, and improves indoor air quality.
Oregon vs National Average
What Affects Crawl Space Encapsulation Cost in Oregon?
Crawl Space Size
Small (500 sq ft): $2,500-$5,000. Average (1,000 sq ft): $5,000-$8,000. Large (1,500+ sq ft): $8,000-$15,000
Scope
Floor only: $2,000-$4,000. Full encapsulation (floor + walls + sealed vents): $5,000-$12,000
Dehumidifier
Commercial-grade crawl space dehumidifier adds $1,000-$2,500 installed
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💡 Tips to Save on Crawl Space Encapsulation in Oregon
- 1.Address water intrusion first — fixing grading or gutters may reduce the scope
- 2.A basic vapor barrier (6-12 mil) on the floor only costs $1,500-$3,000 and handles most moisture issues
- 3.Get quotes from waterproofing specialists, not general contractors
- 4.Check for energy efficiency rebates — some utilities offer them
📈 Crawl Space Encapsulation in Oregon Cost Trends (2020–2024)
Prices have increased +17.7% over the last 5 years
| Year | National Avg | YoY Change |
|---|---|---|
| 2020 | $6,073 | — |
| 2021 | $6,328 | +4.2% |
| 2022 | $6,739 | +6.5% |
| 2023 | $6,928 | +2.8% |
| 2024 | $7,150 | +3.2% |
Based on national averages adjusted for annual inflation. Actual costs vary by location and project scope.
💬 What Did You Pay?
Real costs reported by homeowners for Crawl Space Encapsulation in Oregon
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Frequently Asked Questions
Is crawl space encapsulation worth the money?
Yes, especially if you have moisture problems. It prevents $10,000-$30,000+ in potential structural and mold damage, reduces energy bills 15-20%, and can increase home value by 5-10%.
How long does crawl space encapsulation last?
A properly installed encapsulation with 20-mil vapor barrier should last 20+ years. Dehumidifiers need maintenance and eventual replacement (8-12 years).
Crawl Space Encapsulation Cost in Other States
Related Cost Guides for Oregon
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