Contact Us

Customer Contact Centre

For customer service please contact us at:

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

Monday to Friday – 8 a.m. to 5 p.m. EDT

Please have your 19-digit roll number available when you contact us. Your roll number can be found on your Property Assessment Notice.

Our Customer Contact Specialists are available to provide you with information pertaining to your property, and we look forward to assisting you. MPAC will not tolerate communication that is intimidating, aggressive, or discriminatory. We are here to serve you and appreciate your cooperation.


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1340 Pickering Parkway, Suite 101
Pickering ON  L1V 0C4

Head Office

1340 Pickering Parkway, Suite 101
Pickering ON  L1V 0C4

Our offices are open to the public by appointment only. To arrange an appointment, please contact us at 1 866 296-6722 (TTY 1 877 889-6722) between 8 a.m. and 5 p.m. EDT Monday to Friday.

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


Kenora Assessment Office

621 Lakeview Drive, Unit #6 
Kenora (Ontario) P9N 3P6

Fort Frances Assessment Office

281 Second St. East
Suite C Fort Frances (Ontario) P9A 1M7

Thunder Bay Assessment Office

1001 William St. PO Box 10578, Station P
Thunder Bay (Ontario) P7B 6T9

Sault Ste. Marie Assessment Office

428 Pim Street
Sault Ste. Marie (Ontario) P6B 2V1

Timmins Assessment Office

11 Rea Street North 
Timmins (Ontario) P4N 4Z5

Sudbury Assessment Office

1730 Regent Street, Suite 1 
Sudbury (Ontario) P3E 3Z8

North Bay Assessment Office

1500 Fisher Street, Suite 205
North Bay (Ontario) P1B 2H3 

Muskoka-Parry Sound Assessment Office

1100A Muskoka Road South Unit 2
Gravenhurst (Ontario) P1P 1K9


Pembroke Assessment Office

1100 Pembroke Street East
Unit 324 Pembroke (Ontario) K8A 6Y7

Ottawa Assessment Office

1420 Blair Towers Place, Suite 800
Ottawa (Ontario) K1J 9L8

Cornwall Assessment Office

705 Cotton Mill Street, Unit 112
Cornwall (Ontario) K6H 7K7

Brockville Assessment Office

108 Waltham Road, Unit A
Brockville (Ontario) K6V 5V5

Kingston Assessment Office

644 Dalton Avenue
Kingston (Ontario) K7M 8N7

Trenton Assessment Office

17468 Hwy-2
Trenton (Ontario) K8V 0N7

Central North East

Barrie Assessment Office

126 Wellington Street West
Barrie (Ontario) L4N 1K9

Peterborough Assessment Office

1477 Lansdowne Street West 
Peterborough (Ontario) K9J 7M3 

Durham Assessment Office

1340 Pickering Parkway, Suite 101
Pickering (Ontario) L1V 0C4

Richmond Hill Assessment Office

100 Via Renzo Drive, Suite 302
Richmond Hill (Ontario) L4S 0B8

City of Toronto

Toronto Assessment Office

5775 Yonge Street, Suite 1500
Toronto (Ontario) M2M 4J1


Kitchener Assessment Office

4271 King Street East, Suite 100
Kitchener (Ontario) N2P 2E9

London Assessment Office

Westmount Shopping Centre, Upper Level, Unit 252
785 Wonderland Road South 
London (Ontario) N6K 1M6 

Windsor-Essex Assessment Office

1695 Manning Road, Unit 195
Tecumseh (Ontario) N8N 0H5 

Sarnia Assessment Office

1401 Michigan Avenue, Unit 1
Sarnia (Ontario) N7S 0B1

Owen Sound Assessment Office

945 3rd Avenue East, Suite 212
Owen Sound (Ontario) N4K 2K8

Golden Horseshoe

Mississauga Assessment Office

6745 Century Avenue, Suite #1 
Mississauga (Ontario) L5N 8C9

Hamilton Assessment Office

659 Upper James Street, Suite 201
Hamilton (Ontario) L9C 5R8