You should generally pressure wash your house once per year to maintain curb appeal, prevent long-term damage, and keep mildew, dirt, and mold at bay
. The best time to do this is in the spring, after pollen has settled and before summer, which also allows you to inspect your home's exterior for any damage or pest issues
. However, the frequency can vary depending on several factors:
- Climate:
- In humid or rainy areas where mold and mildew grow quickly, pressure washing every 6 to 8 months is recommended
* In dry climates, once a year or even once every two years may be sufficient
* Coastal areas with salty air may require washing every 3 to 4 months to prevent salt buildup
- Environmental factors:
- If your home is near trees or heavy vegetation, sap, pollen, and debris may warrant cleaning every 6 to 8 months
* Homes near pollution sources like highways or industrial areas may need washing twice a year
* Mold-prone areas or shaded spots may require more frequent soft washing or pressure washing to prevent damage
- Siding material:
- Vinyl, metal, or composite siding can typically be pressure washed once a year safely
* Wood siding should be washed only when visibly dirty or mildewed, using gentle pressure to avoid damage
* Brick, stone, stucco, and concrete require careful handling and usually need washing once a year or less, often with softer methods
In summary, once a year is a good baseline for most homes, but if you live in a humid, coastal, or heavily vegetated area, or near pollution, you may need to pressure wash your house twice a year or more frequently to protect your home's exterior and maintain its appearance
