HST on New Residential Construction
New Housing Rebate, self-supply rules, builder input tax credits, assignment sales, substantial renovation and the New Residential Rental Rebate, handled correctly for Ontario builders, developers and contractors. From $400.
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New Housing HST Is Where Builders Lose the Most Money
HST on new residential construction is one of the most misunderstood areas of tax in the building industry, and the mistakes are expensive. A builder who forgets to claim the New Housing Rebate on a client's behalf, or who triggers the self-supply rule on a spec home without realizing it, or who treats an assignment sale as exempt when it is taxable, can lose or owe tens of thousands of dollars per unit. The rules differ depending on whether you sell the home, rent it out, build on the buyer's land, or substantially renovate an existing one. Builders also leave input tax credits unclaimed on the HST they pay on materials, subtrades and soft costs. On a multi-unit project, these errors multiply fast.
We handle HST on new residential construction for builders, developers and contractors across Ontario. New Housing Rebate, self-supply, builder ITCs, assignment sales, substantial renovation and the New Residential Rental Rebate, filed correctly. From $400. AFFORDABLE flat fees.
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HST Services for New Residential Construction
New Housing Rebate
GST/HST New Housing Rebate calculated and filed for owner-built and builder-sold homes.
Self-Supply Rules
Self-supply on spec homes and rentals identified and reported before it becomes a problem.
Builder Input Tax Credits
ITCs claimed on materials, subtrades, soft costs and land where eligible.
Assignment Sales
HST on pre-construction assignment sales handled under the current taxable treatment.
Substantial Renovation
Whether a renovation is "substantial" and therefore treated as new housing for HST.
Rental Property Rebate
New Residential Rental Property Rebate for builders and investors who rent rather than sell.
How We Handle HST on New Residential Construction
A complete process so rebates are claimed, self-supply is managed, and no ITC is left behind. AFFORDABLE flat fees.
New Housing Rebate Calculation and Filing
The rebate recovers part of the HST on a new or substantially renovated home.
- Federal GST New Housing Rebate calculated where the home qualifies.
- Ontario HST New Housing Rebate (provincial portion) calculated and claimed.
- Owner-built home rebate filed where the owner built or hired a contractor.
- Builder-credited rebate handled where the builder pays or credits it to the buyer.
- Eligibility confirmed: primary place of residence, price thresholds and deadlines.
Self-Supply Rules on Spec Homes and Rentals
The self-supply rule catches builders who keep or rent a home instead of selling it.
- Self-supply triggered when a builder occupies or rents a newly built home.
- Fair market value at the time of self-supply determined as the deemed sale.
- HST on the deemed self-supply calculated and reported correctly.
- The corresponding rebate or rental rebate claimed to offset it where eligible.
- Timing managed so the self-supply is reported in the correct period.
Builder Input Tax Credits
Builders pay HST on almost everything. Most of it is recoverable.
- ITCs on construction materials, lumber, fixtures and finishes.
- ITCs on subtrade invoices: framing, electrical, plumbing, HVAC, drywall.
- ITCs on soft costs: design, engineering, permits, legal and consulting.
- ITC eligibility on land purchases reviewed where the builder is registered.
- Documentation organized so every credit is supportable on a CRA review.
Assignment Sales
Pre-construction assignment sales are taxable, and the rules tightened recently.
- HST applied to the assignment of a pre-construction purchase agreement.
- The taxable portion of the assignment consideration identified correctly.
- Deposits versus profit on the assignment separated for HST purposes.
- Assignor registration and remittance obligations confirmed.
- Impact on the buyer's New Housing Rebate eligibility reviewed.
Substantial Renovation
A "substantial" renovation is treated as new housing. The test matters.
- The substantial renovation test applied: was 90% or more of the interior removed or replaced.
- HST treatment determined: new housing rules versus ordinary renovation.
- New Housing Rebate eligibility on a qualifying substantial renovation assessed.
- Additions and partial renovations distinguished from substantial renovations.
- Documentation built to support the position if the CRA questions it.
New Residential Rental Property Rebate
Build to rent rather than sell, and a different rebate applies.
- New Residential Rental Property Rebate (NRRPR) claimed for rental units.
- Self-supply on a build-to-rent project coordinated with the rebate.
- Federal and Ontario portions of the rental rebate calculated.
- One-year lease and primary-residence-for-tenant conditions confirmed.
- Filing deadlines tracked so the rebate is not lost to a missed date.
Free New Housing HST Consultation
Free New Housing HST Consultation
Case Studies: New Housing HST
Custom Home Builder, Oakville
A custom builder finished an owner's home but never filed the GST/HST New Housing Rebate the owner was entitled to. We calculated the federal and Ontario portions, filed the rebate within the deadline, and recovered a significant rebate for the client. The builder now files the rebate on every qualifying project. Get Started →
Spec Builder, Mississauga (Self-Supply)
A builder put up a spec home, could not sell it, and rented it out, unknowingly triggering the self-supply rule. We reported the deemed self-supply at fair market value, claimed the New Residential Rental Property Rebate to offset it, and brought the file onside before it became a CRA assessment.
Small Developer, Vaughan (ITCs)
A developer building a small multi-unit project was not claiming input tax credits on subtrade invoices and soft costs. We organized the HST on materials, subtrades, design and permits, and claimed the full ITCs, recovering substantial HST that had been left on the table across the build. HST Filing →
Pre-Construction Investor, Toronto (Assignment)
An investor assigning a pre-construction condo was unaware the assignment was subject to HST. We separated the deposit from the profit, calculated HST on the taxable consideration, confirmed registration and remittance, and filed it correctly, avoiding a costly reassessment on the assignment.
Which HST Rule Applies to Your Project?
| Scenario | HST Treatment | Rebate That May Apply |
|---|---|---|
| Builder sells a new home to a buyer | Sale is taxable; HST on the price | New Housing Rebate (often credited to buyer) |
| Owner builds or hires a contractor | HST on construction inputs | Owner-Built New Housing Rebate |
| Builder rents the new home out | Self-supply at fair market value | New Residential Rental Property Rebate |
| Substantial renovation (90%+ interior) | Treated as new housing | New Housing Rebate may apply |
| Assignment of a pre-construction agreement | Taxable assignment | Affects buyer's rebate eligibility |
| Ordinary repair or minor renovation | HST on services, no new-housing rules | Generally none |
The Self-Supply Trap: If you build a home intending to sell it, then occupy or rent it instead, the CRA treats this as a self-supply: you are deemed to have sold the home to yourself at fair market value and must report HST on it. Builders who do not plan for this get caught off guard. The rental rebate often offsets it, but only if claimed correctly and on time.
New Housing HST Rebates in Ontario
| Rebate | Who Claims It | What It Covers |
|---|---|---|
| GST/HST New Housing Rebate (builder-sold) | Buyer, often credited by builder | Part of the federal and Ontario HST on a new home |
| Owner-Built New Housing Rebate | Owner who built or hired a contractor | HST on construction of an owner-built home |
| New Residential Rental Property Rebate | Builder or investor who rents the unit | HST on a new home built or bought to rent out |
| Ontario provincial new housing portion | Buyer or owner | Provincial portion of the HST, subject to limits |
Deadlines Matter: New housing rebates have strict filing deadlines, generally within two years of the relevant date. Miss the deadline and the rebate is gone, no matter how clearly you qualified. We track these so the rebate is never lost.
What Our New Housing HST Service Includes
| Service | What We Do |
|---|---|
| New Housing Rebate | Federal and Ontario rebate calculated and filed within deadline. |
| Self-supply review | Spec homes and rentals reviewed; deemed self-supply reported. |
| Builder ITCs | ITCs on materials, subtrades, soft costs and land claimed in full. |
| Assignment sales | HST on assignments calculated, deposit and profit separated. |
| Substantial renovation | The 90% test applied; treatment and rebate determined. |
| Rental property rebate | NRRPR claimed for build-to-rent units, federal and Ontario portions. |
| HST return filing | Project HST returns prepared and filed on your schedule. |
| Documentation | Records organized to support every rebate and ITC on CRA review. |
Is Your New Housing HST Handled Correctly?
- You know whether each project is a taxable sale, a self-supply, or a rental
- The New Housing Rebate is calculated and filed on every qualifying home
- You understand the self-supply rule before you rent out a spec home
- You claim the New Residential Rental Property Rebate on build-to-rent units
- Builder ITCs on materials, subtrades and soft costs are claimed in full
- Assignment sales are treated as taxable and HST is calculated correctly
- Substantial renovations are tested against the 90% rule
- Rebate filing deadlines are tracked so none are missed
- Your HST returns reconcile to your project costs and sales
- Documentation would support your rebates and ITCs in a CRA review
- Your HST is coordinated with your bookkeeping and T2 corporate tax
- You want new housing HST handled by a CPA, not guessed at
New Housing HST Handled Correctly. From $400.
Rebates, self-supply, ITCs, assignments. 30-Day Money-Back.
Why Builders Choose Gondaliya CPA
New Housing HST Specialists
Rebates, self-supply, ITCs, assignments, substantial renovation.
Everything Coordinated
HST, bookkeeping, holdbacks, WSIB and T2 handled together.
Fixed-Fee Pricing
No hourly. 30-Day Money-Back. 60-Day Fees-Matching.
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New Housing HST Pricing
| Service | Fee | Includes |
|---|---|---|
| New Housing Rebate filing | From $400 | Federal and Ontario rebate calculated and filed |
| New Residential Rental Property Rebate | From $500 | NRRPR calculation, self-supply coordination, filing |
| Assignment sale HST | From $400 | Taxable portion, deposit/profit split, remittance |
| Project HST return filing | From $150/period | Builder ITCs claimed, return prepared and filed |
| Monthly bookkeeping | From $150/month | Full books. HST filing and T2 FREE. |
| Construction T2 corporate tax | From $400 | Year-end corporate tax return for your building company |
Know Your Exact Fee Before We Start
AFFORDABLE flat fee. 30-Day Money-Back. 60-Day Fees-Matching.
Frequently Asked Questions: HST on New Residential Construction
Meet Your New Housing HST Specialists

Sharad Gondaliya, CPA
Founder & Managing Director
Gondaliya CPA Professional Corporation
Sharad leads new housing HST engagements, rebate filings, self-supply and assignment treatment, builder ITCs and corporate tax for builders and developers across Ontario.

Vandana Goel, CPA
Senior Accountant
Gondaliya CPA Professional Corporation
Vandana handles builder bookkeeping, project HST returns, ITC tracking on materials and subtrades, and rebate documentation for new housing clients.
What Our Clients Say
1300+ five-star reviews from business owners across Ontario and Canada.
10 New Housing HST Practices That Protect Builders
| # | Practice | Why It Protects You |
|---|---|---|
| 1 | Decide sell vs rent intent before occupancy | Determines whether self-supply or a sale applies. |
| 2 | File the New Housing Rebate on every qualifying home | Recovers part of the HST that is otherwise lost. |
| 3 | Plan for self-supply on spec homes you may rent | Avoids a surprise deemed-sale HST bill. |
| 4 | Claim the rental rebate on build-to-rent units | Offsets self-supply HST on rental projects. |
| 5 | Claim builder ITCs on every project cost | Recovers HST on materials, subtrades and soft costs. |
| 6 | Treat assignment sales as taxable | Avoids reassessment on pre-construction assignments. |
| 7 | Apply the 90% test to renovations | Confirms whether new-housing rules and rebates apply. |
| 8 | Track every rebate filing deadline | A missed deadline means the rebate is gone. |
| 9 | Keep invoices showing HST on all inputs | Supports ITCs and rebates on a CRA review. |
| 10 | Coordinate HST with your bookkeeping and T2 | Keeps the whole project consistent and audit-ready. |
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Get Your New Housing HST Right.
New housing HST from $400. New Housing Rebate, self-supply, builder ITCs, assignments, rental rebate. AFFORDABLE flat fees.
