Describe the setting
Name the affected rooms, structures or grounds and note who uses them. If the property is managed on behalf of someone else, say who can approve work and provide entry. Avoid supplying unnecessary personal information about occupants.
Separate evidence from questions
List actual sightings or visible changes, then the points you want checked. Wood damage, for example, is a reason to seek identification rather than a reason to select a treatment yourself. Include the timing of observations and any previous work you can document.
Ask for a defined proposal
Request a clear scope and any preparation, access and follow-up requirements. If work is proposed outdoors, ask which areas and pests are included and what conditions might affect scheduling. A written brief is useful context, not a substitute for an assessment.