Blade R.V. Center - New & Used RVs Sales, Service, and Parts in Mt. Vernon, WA, near Avon, Big L, Blade R.V. Center is an RV dealership located in Mt. Vernon, WA. We sell new and pre-owned RVs from Highland Ridge RV and Jayco with excellent financing and pricing options. Blade R.V. Center offers service and parts, and proudly serves the areas of Avon, Big Lake, Burlington and Cedardale.