MPAC Offices

Customer Contact Centre

Toll Free 1 866 296-6722
TTY 1 877 889-6722

Monday to Friday – 8 a.m. to 5 p.m.

PO Box 9808
Toronto ON M1S 5T9

Head Office

1340 Pickering Parkway, Suite 101
Pickering ON  L1V 0C4

If you have accessibility needs, please let our representatives know how we can best accommodate you.

Click here to access the contact us form.

Field Office Locations


Kenora Assessment Office
60 14th St North, Suite 204
Kenora ON  P9N 4M9

Dryden Assessment Office
40 Earl Avenue
Dryden ON  P8N 1X5

Fort Frances Assessment Office
281 Second Street East, Suite C, 
Fort Frances ON  P9A 1M7

Thunder Bay Assessment Office  
1001 William Street
PO Box 10578 Station P
Thunder Bay ON  P7B 6T9

Sault Ste. Marie Assessment Office
428 Pim Street
Sault Ste. Marie ON  P6B 2V1

Timmins Assessment Office
11 Rea Street North
Timmins ON  P4N 4Z5

Sudbury Assessment Office
1730 Regent Street, Suite 1
Sudbury ON  P3E 3Z8

North Bay Assessment Office    
1500 Fisher Street, Suite 205
North Bay ON  P1B 2H3

Muskoka-Parry Sound Assessment Office
1100A Muskoka Road South Unit 2
Gravenhurst ON  P1P 1K9


Pembroke Assessment Office
141 Lake Street
Pembroke ON  K8A 5L8

Ottawa Assessment Office
1420 Blair Place, Suite 800
Ottawa, ON  K1J 9L8

Cornwall Assessment Office
705 Cotton Mill Street, Unit 112
Cornwall, ON  K6H 7K7

Brockville Assessment Office
108 Waltham Road, Unit A
PO Box 280
Brockville ON  K6V 5V5

Kingston Assessment Office
644 Dalton Avenue
Kingston ON  K7M 8N7

Trenton Assessment Office
5 Creswell Drive
PO Box 520
Trenton ON  K8V 5R7

Central North East

Barrie Assessment Office
65 Cedar Pointe Drive, Unit 800
Barrie ON  L4N 5R7

Peterborough Assessment Office
1477 Lansdowne Street West
Peterborough ON  K9J 7M3

Durham Assessment Office    
1340 Pickering Parkway, Suite 101
Pickering ON  L1V 0C4 

Richmond Hill Assessment Office
100 Via Renzo Drive, Suite 302
Richmond Hill ON  L4S 0B8

City of Toronto

Toronto Assessment Office
5775 Yonge Street, Suite 1500
Toronto ON  M2M 4J1

Golden Horseshoe

Mississauga Assessment Office
6745 Century Avenue, Suite 1
Mississauga ON  L5N 8C9

Hamilton Assessment Office
659 Upper James Street, Suite 201
Hamilton ON  L9C 5R8


Kitchener Assessment Office  
4271 King Street East, Suite 100
Kitchener ON  N2P 2E9

London Assessment Office
Westmount Shopping Centre
Upper Level, Unit 252
785 Wonderland Road South
London ON  N6K 1M6

Windsor-Essex Assessment Office
1695 Manning Road, Unit 195
Tecumseh ON  N8N 2L9

Sarnia Assessment Office 
1401 Michigan Avenue, Unit 1
Sarnia, ON N7S 0B1

Owen Sound Assessment Office
945 3rd Avenue East, Suite 212
Owen Sound ON  N4K 2K8

Note: The applicable law prevails to the extent there is any conflict between this information and the current law. This information is not intended to provide legal advice and should not be relied upon as such.