Landlords are not allowed to deduct from a security deposit for any items that suffer only normal wear-and-tear.
landlords could deduct from a security deposit, meaning that the damage went beyond normal wear-and-tear:
Excessive holes in walls from picture hangers
Broken tiles or fixtures in bathrooms
Stopped toilet due to misuse
Broken walls
Removing paint put up by tenant
Tears, holes or burn marks in carpets or curtains
Animal stains in the carpet caused by domestic animals or leaking fish tanks
Broken windows and window screens
Broken doors and locks
Appliances broken by negligence
Excessive filth in over or on stove by burners
Clogged drains from misuse or negligence
Broken or missing window blinds
Flea and pest extermination
Excessive mildew and mold in bathroom
Excessively filthy bathtub, shower, sink, mirrors or toilet.