Crawl Space Encapsulation Cost in Idaho 2026 Pricing Guide
The average crawl space encapsulation project in Idaho costs $5,100 in 2026. Prices typically range from $3,315 to $7,395 depending on crawl space size, condition, and the scope of work needed.
Idaho Crawl Space Cost Quick Facts
Average Cost
$5,100
Cost per Sq Ft
$2.76 – $7.36
Labor Rate
$45 – $65/hr
Climate Zone
Cold/Semi-Arid
What Affects Crawl Space Costs in Idaho?
Idaho's Treasure Valley, centered around Boise, has experienced explosive growth that has increased demand for crawl space services. The state's cold winters and dry summers create freeze-thaw cycles that stress foundations and crawl space structures. Volcanic soils in the Snake River Plain are generally well-draining but can have voids that allow water to pool unexpectedly. Labor costs remain below the national average despite recent population growth, making crawl space work relatively affordable.
Soil & Climate
- Climate Zone
- Cold/Semi-Arid
- Soil Type
- Volcanic/Loam
- Material Costs
- $700 – $3,700
Permits & Labor
- Permit Required
- Yes
- Avg. Permit Cost
- $150
- Labor Rate
- $45 – $65/hr
| Service | Low | High | Average |
|---|---|---|---|
| Full Encapsulation | $3,315 | $7,395 | $5,100 |
| Vapor Barrier Only | $1,275 | $2,805 | $2,040 |
| Mold Remediation | $1,530 | $4,080 | $2,550 |
| Dehumidifier Installation | $612 | $1,785 | $1,122 |
| Insulation | $765 | $2,295 | $1,428 |
| Drainage Systems | $1,275 | $3,570 | $2,295 |
| Structural Repair | $2,550 | $10,200 | $5,610 |
*Costs are estimates based on Idaho market data for 2026. Actual prices vary by project scope, contractor, and location within the state.
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Idaho Contractor Licensing & Regulations
Idaho requires contractors to register with the Division of Building Safety and obtain a public works license for larger projects. Most cities and counties require building permits for crawl space encapsulation. The state adopted the International Residential Code, which includes specific requirements for crawl space ventilation and moisture control.
Licensing Board
Verify your contractor's license through the Idaho Division of Building Safety .
Always verify that your contractor holds a valid, active license and adequate insurance before signing any contract. Ask for proof of workers' compensation coverage and general liability insurance.
Top Cities for Crawl Space Services in Idaho
These are the most popular areas for crawl space encapsulation and repair in Idaho.
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