Home office claim rules: Canada vs US

The US and Canada have meaningfully different home office deduction systems. The biggest practical difference: Canadian employees can claim home office expenses with employer certification; US employees cannot under current law. Self-employed individuals in both countries can claim, but through different forms and with different calculation methods.

Note: This site's primary detailed guidance covers US rules. The Canadian content on this page is an overview for comparison purposes. For authoritative Canadian guidance, consult CRA.ca.

On this page: Key differences · US rules summary · Canada rules summary · Side-by-side comparison · Calculation methods · Example · Records · Related lookups · FAQ

The single most important difference

US employees cannot deduct home office expenses. The TCJA suspended the employee home office deduction from 2018 through at least 2025. Only self-employed individuals can claim the US home office deduction.

Canadian employees can deduct home office expenses — when they meet the eligibility criteria and their employer signs Form T2200 certifying the requirement to work from home.

US home office rules summary

Who can claim (US)

  • Self-employed / sole proprietors: Yes — Form 8829, Schedule C, Line 30
  • W-2 employees: No — suspended under TCJA for tax years 2018–2025
  • Partners and S-corp shareholders: Yes, but claimed differently (through the entity or as an above-the-line deduction)

Key US requirements

  • Regular and exclusive use: The space must be used regularly and exclusively for business — no personal use of the home office area
  • Principal place of business: The home office must be the principal place of business or a place to meet clients
  • Deduction methods: Simplified ($5/sq ft, max $1,500) or actual expense method (Form 8829)
  • Allocation basis: Square footage only — office sq ft ÷ total home sq ft

Canadian home office rules summary

This is a general overview. Canadian tax rules are complex and change periodically — confirm current rules at CRA.ca.

Who can claim (Canada)

  • Self-employed individuals: Yes — Form T2125 (Statement of Business or Professional Activities)
  • Employees: Yes, when eligible — Form T777 + Form T2200 required

Key Canadian requirements

  • For employees: The employer must require the employee to work from home and certify this on Form T2200 (Declaration of Conditions of Employment)
  • Usage requirement: For employees, the workspace must be used primarily (more than 50%) for employment duties, or used exclusively for employment and regularly for client meetings
  • Eligible expenses (employees): Heat, electricity, water, maintenance and minor repairs, and rent (if renting). Mortgage interest and property taxes are generally not deductible for employees.
  • Eligible expenses (self-employed): Broader — includes a portion of mortgage interest, property taxes, insurance, and capital cost allowance (with limitations)
  • Allocation basis: Area-based (sq ft method) or time-based (hours in workspace ÷ total hours) — both accepted by CRA

Side-by-side comparison

Feature United States Canada
Employees can claim No (suspended 2018–2025) Yes — with T2200
Self-employed can claim Yes Yes
Exclusive use required Yes — strict No — "primarily" (>50%) accepted
Flat-rate method available Yes — $5/sq ft simplified method No flat rate (temporary COVID method has ended)
Primary form Form 8829 → Schedule C, Line 30 Form T777 (employees) or T2125 (self-employed)
Employer certification needed No Yes (T2200) for employees
Allocation basis Square footage only Area-based or time-based
Mortgage interest deductible Yes (self-employed, actual method) Employees: No. Self-employed: limited

Calculation methods compared

US: Square footage method (only option for Form 8829)

  • Office sq ft ÷ total home sq ft = business use percentage
  • Apply percentage to eligible indirect expenses (utilities, rent, insurance, mortgage interest)
  • Enter on Form 8829; total flows to Schedule C, Line 30

Canada: Area-based or time-based

  • Area-based: Same as US — office sq ft ÷ total home sq ft
  • Time-based: Hours space used for work ÷ total hours in the year — useful when the workspace is shared (kitchen table, shared room) and not dedicated exclusively to work
  • Combined: Some taxpayers use (area %) × (time %) for a shared, part-time workspace

The time-based method is unique to Canada and particularly useful for remote workers using a shared space. US rules require exclusive use — a shared kitchen table does not qualify for the US deduction.

Example: Same workspace, two different outcomes

Scenario: employee working from home in a shared den (10% of home area)

  • In the US: No deduction available — employees cannot claim home office expenses, and the shared den fails the exclusive use test regardless
  • In Canada (with T2200): May be deductible using the time-based method. If the employee uses the den 40% of the time for work: 10% area × 40% time = 4% × eligible expenses

This example illustrates the most practical difference: a Canadian employee working in a shared space has legitimate deduction options; a US employee in the same situation has none under current federal law.

What records to keep

Both countries:

Canada (employees only):

US tax filing

TurboTax Self-Employed — Calculate your home office deduction through Form 8829

TurboTax Self-Employed guides US self-employed filers through Form 8829, compares simplified vs actual methods, and correctly reports on Schedule C, Line 30.

FAQ

Are home office deductions the same in Canada and the US?

No. The US and Canada have fundamentally different systems. In the US, only self-employed individuals can claim the home office deduction — employees cannot under current law. In Canada, both employees (with Form T2200) and self-employed individuals can claim. The forms, calculation methods, and eligible expenses also differ significantly.

Can employees deduct home office expenses in Canada?

Yes. Canadian employees can claim eligible home office expenses on Form T777 when their employer signs Form T2200 certifying the work-from-home requirement. Eligible expenses include heat, electricity, water, and rent. Employees cannot deduct mortgage interest or property taxes.

Can employees deduct home office expenses in the US?

No. The TCJA suspended the employee home office deduction for US federal tax purposes for tax years 2018 through at least 2025. W-2 employees cannot deduct unreimbursed home office costs on their federal return. Only self-employed individuals can claim the deduction using Form 8829.

What form do Canadians use to claim home office expenses?

Employees use Form T777 (Statement of Employment Expenses) for the calculation, and require Form T2200 (Declaration of Conditions of Employment) signed by their employer. Self-employed Canadians claim home office expenses on Form T2125 (Statement of Business or Professional Activities).

How is the home office percentage calculated in Canada vs the US?

The US uses square footage only — office sq ft ÷ total home sq ft. Canada accepts both area-based (same as US) and time-based methods (hours used for work ÷ total hours). The time-based method is particularly useful for shared workspaces, which would not qualify in the US due to the exclusive use requirement.

Last reviewed: April 14, 2026