Directory
Telephone numbers, addresses and website links for county departments and organizations.
County mail should be addressed as follows:
Name of person
c/o Department name
Department street address
PO Box 8645
Ann Arbor, MI 48107-8645
| Department | Address | Phone Number | Fax Number |
| General Information | NA | (734) 222-4357 | (734) 222-6715 |
| Administrator | 220 North Main, Ann Arbor 48104 [ map] | (734) 222-6850 | (734) 222-6715 |
| Bar Association | 101 East Huron, Ann Arbor 48104 [ map] | (734) 994-4912 | (734) 663-2430 |
| Board of Commissioners | 220 North Main, Ann Arbor 48104 [ map] | (734) 222-6850 | (734) 222-6715 |
| Building Inspection | 705 North Zeeb, Ann Arbor 48103 [ map] | (734) 222-3900 | (734) 222-3930 |
| Children's Services | 4125 Washtenaw, Ann Arbor 48108 [ map] | (734) 973-4343 | (734) 973-4484 |
| Community Development | 110 N. Fourth Ave., Ann Arbor 48104 [ map] | (734) 622-9025 | (734) 622-9022 |
| Community Support and Treatment Services: Administration | 555 Towner, Ypsilanti 48198 [ map] |
(734) 544-3000 |
(734) 544-6732 |
|
2140 East Ellsworth, Ann Arbor 48108 [ map] 555 Towner, Ypsilanti 48198 [ map] 2140 Ellsworth, Ann Arbor 48108 [ map] 2140 Ellsworth, Ann Arbor 48108 [ map] |
(734) 971-2282 (734) 544-6820 (734) 222-3500 (734) 222-3400 |
(734) 971-2487 (734) 544-2906 (734) 222-3464 (734) 222-3461 |
|
4125 Washtenaw, Ann Arbor 48108 [ map] | (734) 434-2034 | (734) 434-1511 |
|
NA | (734) 477-5661 | (734) 544-6732 |
|
2201 Hogback, Ann Arbor 48105 [ map] | (734) 973-4774 | (734) 973-4389 |
| Corporation Counsel | 220 North Main, Ann Arbor 48104 [ map] | (734) 222-6745 | (734) 222-6758 |
| County Clerk/ Register of Deeds |
200 North Main, Ann Arbor 48104 [ map] | (734) 222-6700 | (734) 222-6528 |
| County/MSU Extension | 705 North Zeeb, Ann Arbor 48103 [ map] | (734) 997-1678 | (734) 222-3990 |
| Department of Human Services | 22 Center, Ypsilanti 48198 [ map] | (734) 481-2000 | NA |
|
NA | (734) 481-9110 | NA |
|
NA | (734) 481-9110 | NA |
| District Court -14A District Court Administration | 4133 Washtenaw, Ann Arbor 48108 [ map] | (734) 973-4929 | (734) 973-4865 |
|
4133 Washtenaw, Ann Arbor 48108 [ map] | (734) 973-4545 | (734) 973-4693 |
|
415 W. Michigan, Ypsilanti 48197 [ map] | (734) 484-6690 | (734) 484-6697 |
| District Court - 14A-4 | 1000 Maple, Saline 48176 [map] | (734) 429-2504 | NA |
|
122 S. Main, Chelsea 48118 [ map] | (734) 475-8606 | (734) 475-0460 |
|
4133 Washtenaw, Ann Arbor 48108 [ map] | (734) 973-4545 | (734) 973-4693 |
| District Court -14B District Court | 7200 South Huron River, Ypsilanti 48107 [ map] | (734) 483-6343 | (734) 483-3630 |
| District Court -15th District Court | 301 East Huron, Ann Arbor 48104 [ map] | (734) 794-6750 | (734) 794-6753 |
| Economic Development and Energy | 110 N. Fourth St. Ann Arbor 48104 [map] | (734) 222-6888 | (734)222-6531 |
| Employment Training & Community Services (ETCS) Group
|
301 W. Michigan Ave,Suite 400, Ypsilanti 48197 [map] | (734) 544-3053 | (734) 544-6701 |
|
336 Harriet, Ypsilanti 48197-5484 [ map] | (734 544-6850 | (734) 544-6731 |
|
336 Harriet, Ypsilanti 48197-5484 [ map] | (734) 544-2948 | (734) 544-6731 |
|
301 W. Michigan Ave.,2nd Floor, Ypsilanti 48197 [map] | (734) 544-6799 | (734) 544-6827 (734) 544-3003 |
|
301 W. Michigan Ave,Suite 400, Ypsilanti 48197 [map] | (734) 544-3053 | (734) 544-6730 |
|
304 Harriet, Ypsilanti 48197 [ map] | (734) 484-7247 (734) 481-2517 |
(734) 484-7276 (734) 481-2520 |
| Environmental Health | 705 North Zeeb, Ann Arbor 48103 [ map] | (734) 222-3800 | (734) 222-3930 |
| Equalization | 200 North Main, Ann Arbor 48104 [ map] | (734) 222-6662 | (734) 222-6589 |
| Facilities Management | 110 North 4th, Ann Arbor 48104 [ map] | (734) 222-6542 | (734) 222-6573 |
| Finance | 220 North Main, Ann Arbor 48104 [ map] | (734) 222-6750 | (734) 222-6778 |
| Geographic Information System | 705 N. Zeeb, Ann Arbor 48103 [ map] | (734) 222-6820 | (734) 994-8284 |
| Head Start-Administration | 1661 Leforge, Ypsilanti 48198 [ map] | (734) 484-7119 | (734) 484-7122 |
|
1735 S. Wagner Rd., Ann Arbor 48103-9715 [ map] | (734) 994-2303 | |
|
181 Oregon, Ypsilanti 48198-6033 [ map] | (734) 481-8295 ext. 13 | |
|
8850 Whittaker Rd., Ypsilanti 48197-9435 [ map] | (734) 484-7000 ext. 7220 | |
|
8845 Main Street at the Early Childhood Center, Whitmore Lake 48189-9249 [map] | (734) 449-4464 ext. 4000/4001 | |
|
1122 White St., Ann Arbor 48104-3741 [map] | (734) 332-8687 | |
| Health Services Access | 555 Towner, Ypsilanti 48198 [ map] | (734) 544-3050 1-800-440-7548 |
(734) 544-6726 |
| Historic District Commission | 110 North 4th, Ann Arbor 48104 [ map] | (734) 222-6878 | (734) 994-8284 |
| Human Resources - Administration | 220 North Main, Ann Arbor 48104 [ map] | (734) 222-6800 | (734) 222-6775 |
|
NA | (734) 222-6802 | NA |
| Information & Technology Services | 110 North 4th, Ann Arbor 48104 [ map] | (734) 222-3737 | (734) 222-6573 |
| Juvenile Detention Program | 4125 Washtenaw, Ann Arbor 48108 [ map] | (734) 973-4343 | (734) 973-4484 |
| Law Library | 101 East Huron, Ann Arbor 48104 [ map] | (734) 996-3229 | (734) 663-2430 |
| Lawyer Referral | 101 East Huron, Ann Arbor 48104 [ map] | (734) 996-3229 | (734) 663-2430 |
| Learning Resource Center | 4135 Washtenaw, Ann Arbor 48108 [ map] | N/A | (734) 973-4963 |
| Library for the Blind & Physically Disabled Part of Ann Arbor District Library |
(734) 327-4224 | ||
| Parks & Recreation Commission | 2230 Platt Rd., Ann Arbor 48104 [ map] | (734) 971-6337 | (734) 971-6386 |
| Project Outreach (PORT) | 110 N. Fourth, Ann Arbor 48104 [ map] | 734) 222-3750 | (734) 222-3731 |
| Probation Department - Circuit Court | 101 East Huron, Ann Arbor 48104 [ map] | (734) 222-3390 | (734) 222-3343 |
| Professional Development |
4135 Washtenaw, Ann Arbor 48108 [ map] | (734) 973-4590 |
(734) 973-4963 |
| Prosecuting Attorney - Criminal Division | 200 North Main, Ann Arbor 48104 [ map] | (734) 222-6620 | (734) 222-6610 |
| Prosecuting Attorney - Civil Division | 200 North Main, Ann Arbor 48104 [ map] | (734) 222-6630 | (734) 222-6670 |
| Public Defender | 110 North Fourth, Ann Arbor 48104 [ map] | (734) 222-6970 | (734) 222-6985 |
| Public Health | 555 Towner, Ypsilanti 48198 [ map] | (734) 544-6700 | (734) 544-6705 |
| Public Works | 705 North Zeeb, Ann Arbor 48103 [ map] | (734) 222-3900 | (734) 222- 6860 |
| Purchasing | 220 North Main, Ann Arbor 48104 [ map] | (734) 222-6760 | (734) 222-6764 |
| Register of Deeds | 200 North Main, Ann Arbor 48104 [ map] | (734) 222-6710 | (734) 222-6528 |
| Road Commission | 555 North Zeeb, Ann Arbor 48103 [ map] | (734) 761-1500 | (734) 761-3239 |
| Sheriff - General Information | 2201 Hogback, Ann Arbor 48105 [ map] | (734) 971-8400 | (734) 973-4624 |
|
2201 Hogback, Ann Arbor 48105 [ map] | 911 | NA |
|
4101 Washtenaw, Ann Arbor 48108 [ map] | (734) 973-4520 | (734) 973-4769 |
|
2201 Hogback, Ann Arbor 48105 [ map] | (734) 973-4900 | (734) 971-8690 |
| Soil Erosion | 705 N. Zeeb, Ann Arbor 48103 [ map] | (734) 222-3888 | (734) 222-3930 |
| Treasurer | 200 North Main, Ann Arbor 48104 [ map] | (734) 222-6600 | (734) 222-6632 |
| Trial Court - Administration | 101 East Huron, Ann Arbor 48104 [ map] | (734) 222-3270 | (734) 222-3077 |
| Trial Court - Central Assignment/Case Evaluation |
101 East Huron, Ann Arbor 48104 [ map] | (734) 222-3383 | (734) 222-3084 |
| Trial Court - Family Division (Probate/Mental Health) |
101 East Huron, Ann Arbor 48104 [ map] | (734) 994-2474 | (734) 222-3019 |
| Trial Court - Family Division (Juvenile Center) |
101 East Huron, Ann Arbor 48104 [ map] | (734) 222-6900 | (734) 222-6915 |
| Trial Court - Family Division (Friend of the Court) |
101 East Huron, Ann Arbor 48104 [ map] | (734) 222-3050 | (734) 222-3332 |
| Veteran Services | 2155 Hogback Rd, Ann Arbor 48105 [ map] | (734) 971-2195 | (734) 973-4540 |
| Washtenaw Community Health Organization | 555 Towner, Ypsilanti 48198 [ map] | (734) 544-3000 | (734) 544-6732 |
| Water Resources Commissioner | 705 North Zeeb, Ann Arbor 48103 [ map] | (734) 222 6860 | (734) 222-6803 |



