There was a request for this recently, but it never really got answered so I thought I would start it off. Here is my checklist when I go through a house:
[list]
[size=18]LOCATION[/size]
[size=18]Exterior[/size]
Roof
Chimney
Gutters/Sofitts/Downs
Paint/Siding
Electric Service Drop (older homes with above ground wires)
Exterior Doors/Jams
Porch/Deck
Termite Danger (ground is near wood)
Land Grading (for water runoff)
Central A/C Unit
Cement/Asphalt
Retaining Walls
Garage
Landscaping
Trash Cleanup
Other
[size=18]Interior[/size]
Windows
Interior Doors
Strip Wallpaper?
Drywall
Patch & Paint
Flooring (carpet, vinyl, hardwood, tile)
Ceiling Repairs
Water Damage
Trash Removal
Kitchen
Kitchen Appliances
Baths
Other
[size=18]Mechanical[/size]
HVAC
Water Heater
Water Service Line
Water Plumbing
Waste Plumbing
Electrical
Joists
Foundation
Other
[/list:u]
Who wants to add on?
