If your landlord does not intend to deduct anything from your security deposit, she is legally required to return it to you within 10 days after you move out. If she does deduct from your deposit, she must return the remaining amount along with a written itemized list describing the deductions and their costs within 30 days after you move out.
MSU's Student Legal Services program is managed by the Associated Students of Montana State University (ASMSU). Please thank your student government for prioritizing legal services for MSU students!