Property Taxes

Will County Treasurer

 Will County Office Building
302 N. Chicago St.

Joliet, IL 60432 

Phone: 815-740-4675

Automated Tax Information Line: 815-740-4682

Fax: 815-740-4695

Email Will County Treasurer

Will County Treasurer website

Dupage Township Assessor

DuPage Township Assessor

241 Canterbury Lane 

Bolingbrook, IL 60440 

Phone: 630-759-1315

Fax: 630-759-6163

DuPage Township Assessor website

 Office Hours

Monday - Friday

9 a.m. - 4 p.m.


Lockport Township Assessor

1463 S. Farrell Rd.

Lockport, IL 60441

Phone: 815-838-0780

Fax: 815-838-5479

Lockport Township Assessor website

Office Hours

Monday, Tuesday, Thursday, Friday

9 a.m. - 4 p.m.


9 a.m. - 12 p.m. (noon)


Plainfield Township Assessor

22525 W. Lockport St.

Plainfield, IL 60544

Phone: 815-436-5110
Fax: 815-436-7050

Plainfield Township Assessor website

Office Hours

Monday - Friday

8 a.m. - 4 p.m.

The above charts are representations of what a tax bill in each township may look like. There are 35 different tax codes in use, with each altering the share percentages. These are examples only.