Do GTA development charge cuts make a new build cheaper?

Mississauga and Vaughan have cut development charges on new homes, and Ontario's HST relief runs to 31 March 2027. What actually reaches the buyer.

The governments of Canada and Ontario announced on 3 September that the City of Mississauga will receive up to $401.4 million through the Development Charge Reduction Program, in recognition of its commitment to cut development charges on residential development by 50 per cent. Vaughan has gone further, and TRREB reports that the city has eliminated municipal development charges on eligible residential projects and is receiving up to $697.2 million.

If you are shopping a new build in the GTA, the useful question is narrower than the funding headline. Does a cheaper build cost turn into a cheaper purchase price?

What is a development charge, and who really pays it?

It is a fee a municipality levies on new construction to fund the roads, water and wastewater systems, transit and community facilities that growth needs. The builder writes the cheque. TRREB's position is that these charges can add up to 20 per cent of a home's price, and that new homebuyers and renters ultimately pay them.

That is why a change to development charges is a housing story rather than a municipal finance story. It moves one of the largest single inputs into the price of a new home.

What has actually changed in Mississauga?

Two things, both dated. Development charges on residential development are cut by 50 per cent for the period 29 January 2025 to 31 March 2029. Development charges are eliminated altogether on rental units with one bedroom plus den, two bedrooms or three bedrooms until 31 March 2029.

The two governments estimate the reduction takes up to $36,140 off the cost of building a home over that period. Read that figure carefully. It is an estimate of the cost of building, not a discount written into anybody's purchase agreement.

The funding itself is still conditional. The release says receipt depends on a Canada and Ontario bilateral agreement being signed, on federal review of the projects, and on Mississauga entering a transfer payment agreement with the province. The development charge reductions are the city's own decision and are already in effect.

Does a new build now cost $36,140 less?

Not automatically, and nobody should sign on the assumption that it does.

Where this reaches a buyer is in the closing adjustments in the agreement of purchase and sale. Development charges are one of the amounts a new build agreement can allow a builder to bill on closing, usually up to a stated cap. So the question to put to the sales office, in writing, is what your own agreement says about development charges on closing and whether the municipal reduction has been reflected in it.

The rest is pricing, and pricing is the builder's decision.

What about the HST relief, and when does it end?

This is the part with a hard deadline on it. The two governments agreed to provide relief on the full HST on eligible new homes from 1 April 2026 to 31 March 2027.

Ontario's own budget sets out the provincial mechanics. The 8 per cent provincial portion of the HST is removed for eligible buyers of new homes valued up to $1 million, worth up to $80,000. The $80,000 is maintained on homes valued between $1 million and $1.5 million, and reduces above that. Ontario puts the combined federal and provincial relief at up to $130,000 on a new home valued at $1 million to $1.5 million.

The window runs on the agreement of purchase and sale, not on the closing date. It is available for agreements entered into from 1 April 2026 to 31 March 2027, construction has to begin on or before 31 December 2028, and the home has to be substantially completed on or before 31 December 2031.

Our guide to the HST rebate on a new build in Ontario covers how the rebate is claimed and who claims it.

What should you do with this?

Three things, if a new build is on your list this year.

Ask the sales office what your agreement allows to be billed for development charges on closing, and whether the municipal reduction has been applied to it. Get the answer in writing.

Check the date on your agreement of purchase and sale against the HST window, because that date is what the relief turns on.

Then work out what the payment actually looks like at your own numbers with our affordability calculator, rather than from the saving in a press release.