65 East State Street
Columbus, OH 43215
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Ohio is divided into seven audit regions, each with a dedicated liaison and team of auditors. Find your region's contact information below. You may view or download the regional and liaison maps at right.
65 East State Street
Columbus, OH 43215
614-466-3402 | 800-443-9275
Fax 614-728-7199
Central Region
Counties Served: Ashland, Crawford, Delaware, Fairfield, Franklin, Holmes, Knox, Licking, Madison, Marion, Morrow, Pickaway, Richland, Union, Wayne
One Government Center
Room 1420
Toledo, OH 43604
419-245-2811 | 800-443-9276
Fax 419-245-2484
Northwest
Region
Counties Served: Defiance, Erie, Fulton, Hancock, Henry, Huron, Lucas, Ottawa, Paulding, Putnam, Sandusky, Seneca, Williams, Wood, Wyandot
Lausche Building, 12th Floor
615 W. Superior Ave,
Cleveland, OH 44113-1801
216-787-3665 | 800-626-2297
Fax 216-787-3361
Northeast Region
Counties Served: Ashtabula, Cuyahoga, Geauga, Lake, Lorain, Medina
6000 Frank Ave
Suite 154
North Canton, OH 44720
330-438-0617 | 800-443-9272
Fax 330-471-0001
East Region
Counties Served: Carroll, Columbiana, Jefferson, Mahoning, Portage, Stark, Summit, Trumbull
9711 East Pike Rd. Suite 100
Cambridge, OH 43725
740-594-3300 | 800-441-1389
Fax 740-594-2110
Southeast
Region
Counties Served: Athens, Belmont, Coshocton, Gallia, Guernsey, Harrison, Hocking, Jackson, Meigs, Monroe, Morgan, Muskingum, Noble, Perry, Tuscarawas, Vinton, Washington
10653 Techwoods Circle
Suite 102
Blue Ash, OH 45242-2845
513-361-8550 | 800-368-7419
Fax 513-361-8577
Southwest
Region
Counties Served: Adams, Brown, Butler, Clermont, Clinton, Fayette, Hamilton, Highland, Lawrence, Pike, Ross, Scioto, Warren
3640 Colonel Glenn Highway
Room 111
Medical Science Building
Dayton, OH 45435
937-285-6677 | 800-443-9274
Fax 937-285-6688
West Region
Counties Served: Allen, Auglaize, Champaign, Clark, Darke, Greene, Hardin, Logan, Mercer, Miami, Montgomery, Preble, Shelby, Van Wert
For local-government assistance, contact the Auditor of State's LGS.
Local Government
Services | Contact LGS Form |
1-800-345-2519 | LGS Map.pdf
To request public records from the AOS go to the Open Government page to find out how.