Helena MT Tax Office 125 N. Roberts, 59601 – State Tax

Helena MT Tax Office is here to help if you need to resolve a tax problem, have questions about how the tax law applies to your individual tax return, or you’re more comfortable talking with someone face-to-face, no appointment is necessary.

State Tax Office Helena Sam W. Mitchell Bldg.
125 N. Roberts, 3rd Floor
Helena, Montana 59601
Monday through Friday, 8 a.m. to 5 p.m. Toll Free: 1(866) 859-2254

Local: 444-6900

TDD: (406) 444-2830

IRS Tax Office Helena 10 W. 15th St., Ste. 2300
Helena, MT 59626
Tuesday 10:00 a.m. – 4:30 p.m., Wednesday 8:30 a.m. – 4:30 p.m., Thursday 8:30 a.m. – 2:30 p.m.
(Closed for lunch 11:30 a.m. – 12:30 p.m.)
(406) 441-1039
Lewis & Clark County Tax Office Helena Mailing:
5 South Last Chance Gulch

Helena, MT 59601 

Physical:
5 South Last Chance Gulch
Helena, MT 59601

Phone #
(406) 444-4000

Fax #
(406) 444-2980
8-5 M-F


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