Registration Form and Questionnaire:
Individual questionaire
Business questionnaire
2023 Tax Returns and 2024 Declaration of Estimated Tax/Vouchers
2025 Vouchers
2024 Tax Return
2023 Tax Return
2024 Estimated Payment Vouchers
Instructions
Income Tax Return 2024 Instructions
Income Tax Return 2023 Instructions
Income Tax Return 2022 Instructions
Coupon Books
2025 Employee Monthly Income Tax Withholding Forms
2025 Employee Quarterly Income Tax Wihholding Forms
2024 Employers Monthy Income Tax Withholding Forms
2024 Employers Quarterly Income Tax Withholding Forms
2023 Employers monthly Income Tax Withholding Forms
2023 Employers quarterly Income Tax Withholding Forms
Letters
Letters to contractors and sub-contractors
Refund Claim Form
Refund claim form and instructions
Ordinance & Rules and Regulations
Ordinance Amending Chapter 95 of Ordinances for the City of Cambridge
Income Tax Rules and Regulations
Cambridge income tax ordinance
Landlord Forms
Landlord Tenant Form
Income Tax Board of Appeals
How to File An Appeal
Board of Appeals Procedures
Appeals Form
Prior Tax Forms
2018 Tax Return
2019 Tax Return
2020 Tax Return
2021 Tax Return
2022 Tax Return