Costs
CRA home-office expenses and quiet desk gear, what qualifies
CRA home-office expenses quiet desk gear: what employees can claim on Line 22900, how medical lines 33099 and 33199 work, plus provincial credits.
What to take away
- CRA home-office expenses quiet desk gear claims are narrower than most people think: employees need a completed and signed T2200 or a remote work agreement before claiming anything.
- Line 22900 holds most employee claims, but a keyboard or desk mat only qualifies if the employer required it and did not reimburse it.
- Lines 33099 and 33199 cover assistive devices for a qualifying disability, which is a different test from an employment expense.
- The Disability tax credit changes the net cost more than any single deduction for accessible quiet tech.
- Provincial and territorial tax credits can shift the after-tax price of the same equipment by hundreds of dollars.
- Keep a usage log from day one. Reconstructing one in April is where claims fail.
What CRA allows for employee home-office expenses
The CRA home office expense rules start with a condition, not a calculator. An employee must have worked from home under an arrangement their employer required, and the employer must have completed and signed form T2200, Declaration of Conditions of Employment. Without that form, the claim does not exist.
Once the form is in hand, the usual entry point is Line 22900, Other employment expenses. This line captures amounts an employee paid to earn employment income, where the employer did not reimburse them.
Canada Revenue Agency sets out the conditions and the calculation method in its home office expenses for employees guidance.
Two methods exist for the workspace itself. The detailed method uses actual costs: rent, utilities, home internet, minor repairs, and a share of those costs based on the workspace area. The flat rate method was a temporary measure and is not the default. Most employees filing for 2026 and later years will use the detailed method.
Commission employees face a wider set of allowable items, including some property taxes and insurance, but only where their contract requires them to pay those costs. Salaried employees do not get that latitude.
The workspace must be where the person mainly does their work, or used only for work and used regularly to meet clients or customers. A corner of a shared kitchen table rarely clears that bar.
What is not claimable is just as important. Mortgage principal, capital cost allowance on a home, and the base portion of property taxes are excluded for regular employees. So is anything the employer already paid for, including a stipend that shows up on a T4 slip.
Record keeping is not optional. CRA expects supporting documents for the workspace share and for every expense on the line. An unsigned T2200 with no dates is a common reason a claim is reduced.
Which quiet desk gear can be documented as an employment expense
A quiet keyboard, a desk mat, a low-noise chair, and acoustic panels can all appear on Line 22900, but each one has to pass the same test: the employer required it, and the employee paid for it without reimbursement.
The word required does the heavy lifting. If the employer supplies standard equipment and the employee upgrades to a quieter model for personal comfort, that is a personal choice, not an employment expense. If the employer asks for a specific low-noise keyboard because the role involves long recorded calls, the case is stronger.
A useful way to sort items before buying is to run the cost checklist and note which items are employer-directed. That note becomes the backbone of the claim.
| Item | Usually claimable on Line 22900 | Condition |
|---|---|---|
| Quiet mechanical keyboard | Sometimes | Employer required the specific model or noise profile |
| Desk mat or wrist rest | Sometimes | Needed for an employer-directed task, not general comfort |
| Noise-cancelling headset | Often | Used for work calls and not reimbursed |
| Acoustic panels for a home office | Rarely | Only where the workspace itself is a condition of employment |
| Ergonomic chair | Sometimes | Employer required it and no reimbursement was provided |
| Monitor and cables | Often | Required to perform the duties and paid by the employee |
Canada Revenue Agency treats employment expenses and credits as a defined set, and its employment expenses and credits page lists which forms and lines apply. Read it before assuming a peripheral is included.
One practical habit helps. When an employer sends a written instruction about equipment, save the email. A single line saying the team must use low-noise keyboards on client calls is worth more than a receipt on its own.
Upgrades are the weak spot. Replacing a working keyboard with a quieter one for personal preference is hard to defend. Replacing a broken keyboard with a quieter equivalent, at the employer's request, is easier.
Small business owners do not use Line 22900. They claim equipment through business-use percentages on their T2125, which follows different rules and does not need a T2200. Splitting recurring licence fees from single purchases is where the separate one-off costs habit pays off.
Disability deductions, credits and assistive devices for accessible quiet tech
A keyboard can also be a medical expense, which is a separate path with a different test. The Disability tax credit is the gate for several of these claims, and Canada Revenue Agency explains who qualifies and how to apply on its Disability tax credit page.
The DTC is not a receipt-based deduction. It is a credit based on the effect of a severe and prolonged impairment, certified by a qualified practitioner on form T2201. Once approved, it can be carried back or forward, and it opens access to other programs.
For equipment, the relevant line is different. Lines 33099 and 33199 cover eligible medical expenses, and CRA lists what counts on its Lines 33099 and 33199 page. Assistive devices and equipment prescribed by a qualified practitioner can fall here.
A quiet keyboard is unlikely to qualify on its own as an assistive device. A keyboard prescribed as part of treatment for a certified impairment, with the prescription on file, is a different matter. The prescription is the document that matters, not the product description.
Where a device qualifies, the claim is the amount paid minus any reimbursement. Employer reimbursements and insurance payments reduce the eligible amount. Keep the explanation of benefits from the insurer with the receipt.
There is a cap on the medical expense claim, calculated as a percentage of net income, and it is claimed as a non-refundable credit rather than a deduction. That means the benefit is a share of the expense, not the whole amount.
Accessible Canada Act obligations sit with federally regulated employers, not with the tax system. They may require an employer to provide accessible equipment, which reduces what an employee can claim personally. Ask first whether the employer should be paying.
Keeping receipts and a usage log for a keyboard or desk mat claim
A receipt proves the price. A usage log proves the purpose. CRA wants both, and the log is where most claims are won or lost. Skipping it is one of the common budget mistakes that turns a clean claim into a partial one.
Start with a simple log. Record the item, the date, the amount, the employer instruction that prompted the purchase, and the business-use percentage where the item is shared. Update it the week of purchase, not in April.
For a home office, the workspace share needs its own calculation. Measure the workspace area, measure the total finished area of the home, and divide. Keep the measurement note with the receipts.
- Save the T2200 or remote work agreement before buying anything.
- Record the employer's written instruction about the equipment.
- Keep the original receipt showing the vendor, date, and amount.
- Note the reimbursement status, including any partial payment.
- File the workspace measurement and utility bills used in the share calculation.
- Store everything in one folder, digital or paper, for six years.
The six-year retention period is standard. CRA can ask for documents after filing, and a claim with no supporting folder is difficult to defend even when it is honest.
Useful documents for a quiet gear claim include the order confirmation, the warranty card, and any employer email naming the model. A photo of the setup in place is optional but cheap to keep.
If the keyboard is used for both work and personal use, apply a reasonable percentage. Claiming one hundred percent for a device used for gaming in the evening invites a reassessment.
Review the log once a year against the receipts. Errors are easier to fix before filing than after a review letter arrives.
Provincial and territorial credits that change the net cost
Federal rules set the floor, but the province or territory where you file sets the final price. Provincial and territorial tax credits for individuals vary enough that the same keyboard can cost noticeably different amounts in Ontario and Alberta.
Canada Revenue Agency maintains a central list of provincial and territorial tax credits for individuals. Check it before comparing quotes across provinces.
Medical expense credits exist in every province, but the threshold and the credit rate differ. A device that clears the threshold in one province may fall below it in another.
Ontario and British Columbia both apply their own medical expense credits alongside the federal one. Quebec administers its own income tax separately, so a Quebec resident files two returns and sees two different calculations.
Alberta has no provincial sales tax, which changes the sticker price before any credit applies. That matters when comparing a keyboard bought in Calgary with the same model bought in Toronto.
Where a provincial disability or assistive device program exists, it may pay for equipment directly. A grant or program payment reduces the amount left to claim, so record it with the receipt.
Small business owners should look at provincial small business deductions and credits as well, since equipment bought for a business follows the business rules rather than the employee ones.
Where claims commonly fail and how to avoid it
Most failures are documentation failures, not eligibility failures. The expense was real, the rule was met, and the file was thin. Data handling is the other quiet hidden cost in a home office, because shared devices and cloud storage both need a paper trail.
The first failure is a missing or unsigned T2200. Employers sometimes send a blank form or a letter that does not match the CRA wording. Ask for the signed version before filing.
The second is a commute-shaped workspace. A desk in a shared living area used for both work and family life weakens the exclusive-use argument. Describe the arrangement accurately rather than overstating it.
The third is double counting. Claiming the same keyboard as an employment expense and as a medical expense is not allowed. Pick the path that fits and keep the documents for that path.
The fourth is a missing reimbursement check. If the employer paid part of the cost, only the unreimbursed portion is claimable. Record the split.
The fifth is a thin usage log. A folder of receipts with no explanation of why each item was required is easy to reduce on review.
A worked example shows how this fits together. Priya works from home in Mississauga for an Ontario employer that requires low-noise equipment for recorded client calls. She buys a quiet keyboard for $180 and a desk mat for $40, both unreimbursed. Her employer signs a T2200.
She logs both items, keeps the receipts, and claims $220 on Line 22900. Because her workspace is ten percent of her home, she also claims ten percent of eligible utilities. She does not claim the keyboard as a medical expense, since she has no T2201 on file.
A second example covers the disability path. Daniel in Halifax has an approved T2201 for a certified impairment. His practitioner prescribes an accessible keyboard and a switch device.
He claims the prescribed items under Lines 33099 and 33199, subtracts the insurer's partial payment, and keeps the prescription with the receipts. He does not claim the same items on Line 22900.
Two habits prevent most problems. Buy after the employer instruction, not before. And log the purchase the week it happens, with the reason attached to the receipt. Building the total bucket by bucket keeps the claim defensible line by line.
Common questions
Can I claim a quiet keyboard on Line 22900 without a T2200? No. The T2200 or a remote work agreement is the starting condition for employee employment expenses. Without it, there is no claim to make.
Is a quiet keyboard an eligible medical expense? Only where a qualified practitioner prescribes it for a certified impairment and you have an approved T2201. A keyboard bought for comfort does not qualify.
Do I need to keep receipts for six years? Yes. CRA can review a return after filing, and the supporting documents need to be available for that period.
Can I claim the same item as both an employment and a medical expense? No. Choose the path that fits your situation and keep the documentation for that path only.
Does my province change what I can claim? The federal lines stay the same, but provincial and territorial credits change the net cost. Check your province's rules before comparing prices.
What if my employer reimbursed part of the cost? Only the unreimbursed portion is claimable. Record the reimbursement amount with the receipt.




