Tax Forms
Click on the links below to download or print out tax-related forms.
Registration Form and Questionnaire:
Individual questionaire
Business questionnaire
2018 Tax Returns and 2019 Declaration of Estimated Tax/Vouchers
2019 Tax Return
2020 Estimated Payment Vouchers
Instructions
Income Tax Return 2020 Instructions
Coupon Books
2020 Employers monthly Income Tax Withholding Forms
2020 Employers quarterly Income Tax Withholding Forms
2019 Employers quarterly Income Tax Withholding Forms
Letters, Refund Claims
Letters to contractors and sub-contractorsRefund claim form and instructions
Ordinance & Rules and Regulations
Ordinance Amending Chapter 95 of Ordinances for the City of Cambridgein effect Jan 1, 2016
Income Tax Rules and Regulationsin effect Jan 1, 2016
Cambridge income tax ordinance (prior to 2016)
Landlord Forms
Landlord Tenant Form
Income Tax Board of Appeals How to File An Appeal
Board of Appeals Procedures(prior to 2016)
Appeals Form Prior Tax Forms
2014 Tax Return
2015 Tax Return
2016 Tax Return
2017 Tax Return
2018 Tax Return