
Renting a dehumidifier in Portland for basement waterproofing in 2025 typically costs between $20–$50 per day, $100–$200 per week, and $300–$600 per month. These rates vary based on the capacity and features of the dehumidifier. Leading rental companies in Portland offer a range of models suitable for different basement sizes and moisture levels.
| Vendor | Daily Rate | Weekly Rate | Review Score | Website |
|---|---|---|---|---|
| ServiceMaster Dynamic Cleaning | $85 | $595 | 8 | Visit |
| Sunbelt Rentals | $150 | $350 | 7 | Visit |
| Cal‑West Rentals | $125 | $395 | 7 | Visit |
| Cloud of Goods | varies | varies | 6 | Visit |
| Parkrose Hardware | $25–$100 | call for quote | 8 | Visit |
Several factors affect the cost of renting a dehumidifier, including the unit's capacity, energy efficiency, and additional features like built-in pumps or digital controls. Seasonal demand can also impact pricing, with higher rates during the rainy season.
When renting a dehumidifier, be aware of potential hidden fees such as delivery and pick-up charges, which may be flat or based on mileage. Additional costs can include fuel surcharges, damage waivers versus full insurance, cleaning fees for units returned with excessive dirt or mud, late-return penalties, and charges for overtime hours.

The dehumidifier rental market in Portland is expected to grow as more homeowners focus on basement waterproofing and mold prevention. This trend is driven by increased awareness of indoor air quality and the benefits of maintaining a dry basement environment.
Ensure compliance with local regulations regarding equipment rental and usage. Proper handling and maintenance of dehumidifiers are crucial to avoid penalties and ensure efficient operation.