- All industry professionals must be able to furnish a valid business certificate and licensing number. Whenever possible, look for contractors specializing in this type of work (ie Fusion certified).
- Ask for references. Professionals can provide previous client references and potentially addresses (for front yard work, driveways, etc).
- Review portfolio of work, in particular asking for projects involving LID.
- Ask for itemized quotes from multiple businesses.
- Ask about what their procedure is for unforeseen project scope increase.
- Confirm how they prefer to conduct communication. Figure out if that matches your preferred means of communication.
- Confirm they have the necessary experience and skills to complete a LID project.
- Confirm that they have the experience installing this type of technology (ie the type of permeable pavement, dry well, etc).
- Ask what warranties or guarantees do they provide for their work?