Yonge North Subway Extension: What Home Buyers in Richmond Hill, Markham and Thornhill Should Know

Few projects come up in York Region real estate conversations as often as the Yonge North Subway Extension. Listings near Yonge Street and Highway 7 mention it, pre-construction marketing leans on it, and buyers ask whether it is worth paying more to be close to a future station. This post sets out what Metrolinx has published about the project, what remains uncertain, and how to weigh a future subway sensibly when you buy. It does not predict prices; nobody can promise how a transit line will affect a particular home's value.

What the project is

The Yonge North Subway Extension (YNSE) will extend TTC Line 1 about eight kilometres north from Finch Station into Vaughan, Markham and Richmond Hill, with five new stations (Metrolinx, accessed October 2026). The City of Toronto lists the planned stations as Steeles, Clark, Royal Orchard, Bridge and High Tech (City of Toronto, accessed October 2026). Metrolinx says the extension will connect with Richmond Hill GO train service, Highway 407 GO buses and the Viva rapid transit lines on Yonge Street and Highway 7, among other services.

Where the project stands

Metrolinx's published milestones include the award of the tunnelling contract in summer 2025, a request for proposals to shortlisted teams for the stations, rail and systems contract in mid-2026, and completion of the tunnel launch shaft excavation in July 2026 (Metrolinx, accessed October 2026). Metrolinx says the extension will go into service after the Ontario Line is complete. It has not published a firm opening date on its project page, and news reports based on TTC documents have pointed to the mid-2030s (Toronto Star, accessed October 2026). Large transit projects regularly shift, so treat any date you hear as an estimate.

The station areas in brief

• Steeles: at the Toronto boundary, close to Thornhill on both the Vaughan and Markham sides of Yonge.
• Clark: in Thornhill, serving established neighbourhoods north of Steeles.
• Royal Orchard: in the Thornhill and Royal Orchard area of Markham.
• Bridge: near Highway 7 and Highway 407, in the Langstaff area that straddles Richmond Hill, Markham and Vaughan.
• High Tech: the northern terminus in Richmond Hill near High Tech Road, close to the existing Richmond Hill Centre bus terminal.

Around the northern stations, the municipalities and the province have planned for significant density, so many of the nearby projects are high-rise condominiums. Further south, stations sit closer to established low-rise neighbourhoods.

How buyers can think about a future station

A planned subway can be a reasonable factor in a purchase, but it is one factor among many. Some practical points:

1. Buy for today's commute. If you need the home to work for the next five to ten years, judge it by the transit and roads that exist now: Viva, GO and the highways.
2. Expect construction. Living near a station site can mean years of lane closures, noise and detours before service begins.
3. Look at the planned density. Areas around stations are designated for growth. A quiet street today may have towers nearby later. That is positive for some buyers and negative for others.
4. Be careful with marketing. Pre-construction brochures sometimes describe a site as "steps to the subway" when the subway does not exist yet. Measure the actual distance to the planned station entrance.
5. Check builder and condo details. If you are buying pre-construction near a station, the usual due diligence still applies; see our guide to checking a builder's reputation and to HST on pre-construction assignments if you might need to sell before closing.

What about existing homes near Yonge?

For owners of detached homes in Thornhill, Langstaff and South Richvale, the YNSE can bring both opportunity and change: improved access, but also new development pressure and construction. If you are considering a home near a planned station, ask the municipality what land-use designation applies to the property and its neighbours, and whether any development applications are active nearby.

Other transit to consider today

While the subway is being built, Richmond Hill and Markham residents rely on Viva bus rapid transit, YRT local buses and GO trains. The GO Richmond Hill line serves Gormley and Bloomington stations, and Langstaff GO sits near the future Bridge station. If transit is your main reason for choosing an area, try your commute with current service first. Our Richmond Hill neighbourhoods guide describes the areas along the corridor in more detail.

Questions to ask about a home near a planned station

• How far is the home, in walking distance, from the planned station entrance rather than the station's general location?
• What is the land-use designation of the property and of the nearby blocks?
• Are there active development applications on neighbouring sites?
• Will construction staging, road closures or utility relocations affect the street?
• For a condo, how does the building's parking and amenity plan account for future transit?

Reading project news carefully

News about large transit projects tends to arrive in pieces: a contract award, a procurement step, a cost update, a revised schedule. It is easy to read a single headline as a promise that service is imminent. A more useful habit is to check the project page from Metrolinx periodically and to look at what has actually been built, such as completed shafts or tunnelling progress, rather than relying on marketing materials or second-hand reports.

The bottom line for buyers is simple: the Yonge North Subway Extension is a real project with funding, contracts and construction under way, but its opening date is still uncertain. Buy a home that works for you today, and treat future transit as a possible benefit rather than the foundation of your decision.

Finally, keep in mind that transit plans can change in scope as well as in timing. Station names, entrance locations and connections are refined during design, so verify details close to the time you buy.

Frequently asked questions

How many stations will the Yonge North Subway Extension have?

Five: Steeles, Clark, Royal Orchard, Bridge and High Tech, according to Metrolinx and the City of Toronto.

How long is the Yonge North Subway Extension?

About eight kilometres, extending Line 1 north from Finch Station into Vaughan, Markham and Richmond Hill.

When will the Yonge North Subway Extension open?

Metrolinx says it will enter service after the Ontario Line is complete and has not published a firm date. News reports based on TTC documents have pointed to the mid-2030s.

Should I pay more for a home near a future station?

That is a personal decision. Weigh today's commute, years of construction and planned density, and do not rely on future value increases.

General information only, not legal, tax or financial advice. Figures were checked against the sources linked above in October 2026 and can change; confirm your own numbers with your real estate lawyer, accountant or lender before you sign anything.

Farshad Fazaeli, Salesperson, International Realty Firm, Inc., Brokerage, 647-667-5555 · Richmond Hill, ON