Why Multi-Generational Living Is Common in Markham

Markham has one of the most internationally rooted populations in Canada. Immigrants make up 58 percent of the city's residents, and 82.1 percent identify as a visible minority. The largest source countries among Markham's immigrant population are China at 33.8 percent, India at 7.2 percent and Sri Lanka at 6.4 percent.

Many of these households arrive with a family structure where grandparents, parents and children live together by preference rather than by necessity. Add Greater Toronto Area affordability pressure, an aging parent generation, and adult children staying home longer, and the demand for a home that comfortably holds three generations is strong and steady.

Michael John Lau, a REALTOR® who helps families purchase detached homes and townhomes in Markham, Ontario, sees this search regularly. The families who succeed are the ones who define the requirements before touring, not after.

The Six Features That Actually Matter

1. A main floor bedroom and a full main floor bathroom

This is the single most important feature for a household with an aging parent, and the one most often missing. A main floor den can be converted, but only if a full bathroom with a shower is on the same level. A powder room is not a substitute. Buyers should confirm door widths and whether a walk in shower can be installed.

2. A separate entrance

A side door, a walk up from the rear yard, or a walk out basement changes a home from shared to semi independent. It supports privacy, it supports a legal second unit later, and it protects resale value. Homes on a corner lot, a pie shaped lot, or a lot with grade change are the strongest candidates.

3. An above grade or walk out basement

Ceiling height and window size determine whether a lower level feels like a home or a storage area. Look for ceiling heights near nine feet, enlarged windows, and where possible a walk out to grade. In Markham, walk out lots are most common in Cathedraltown, Angus Glen, parts of Wismer Commons and Victoria Square, and in ravine backing pockets across the city.

4. Two kitchens, or the ability to add one

A second kitchen requires drainage, venting and electrical capacity. If a second kitchen is planned, confirm the electrical panel amperage and whether the plumbing stack can be reached without cutting through finished areas.

5. Parking for three or more vehicles

Three adults often means three vehicles. Markham prohibits on street parking between 2:30 a.m. and 6:00 a.m. year round without a valid permit or exemption. That rule alone eliminates many otherwise suitable homes. A double garage with a double wide driveway is the practical minimum.

6. Sound separation

Three generations under one roof works when they cannot hear each other. Buyers should ask about insulation between floors, solid core doors, and whether the basement ceiling was insulated. These are inexpensive fixes when planned and expensive when retrofitted.

What Markham's Second Suite Rules Allow

Under the provincial More Homes Built Faster Act, all urban residential parcels in Markham are permitted up to three units per lot. That is a meaningful expansion for families planning a self contained in law suite.

Markham's requirements are specific and worth knowing before an offer is written.

• Registration is mandatory. All two unit houses must be registered with the City of Markham.
• Both units are inspected by City officials for building and fire safety compliance.
• Each unit must be complete and separate, with its own kitchen, bathroom, living, sleeping and eating areas, and a protected pathway to exit the building.
• Fees: the initial fire inspection fee is $260 and the registration fee is $246.
• New construction: contact Building Standards at 905.475.4870 for permits, then arrange registration inspection through Markham Fire and Emergency Services.
• Existing units: contact Markham Fire and Emergency Services at 905.415.7521 to arrange inspection and complete registration.
• Non compliance may result in court action and fines against the owner.

A buyer purchasing a home that already contains a basement apartment should ask one question early: is it registered? An unregistered suite is not a legal suite, and the cost of bringing it into compliance is the buyer's problem after closing.

Markham Communities Worth Targeting

Berczy Village and Wismer Commons

Large detached homes built largely in the 2000s, frequently with four to five bedrooms, nine foot main floor ceilings, and side entrances. In the first quarter of 2026, detached homes averaged approximately $1,488,000 in Berczy and approximately $1,451,000 in Wismer. Strong schools and proximity to Mount Joy GO make these communities durable for resale.

Cathedraltown and Angus Glen

Markham's stronger walk out lot inventory and larger floor plans. First quarter 2026 detached averages were approximately $1,825,000 in Cathedraltown and approximately $1,938,000 in Angus Glen. These are premium communities and suit families with a larger budget and a genuine need for a self contained lower level.

Cornell

New urbanist design with rear lane garages, which frees the front elevation and often produces a coach house or above garage layout. Markham Stouffville Hospital is adjacent, which matters when an aging parent has ongoing medical appointments. First quarter 2026 detached homes averaged approximately $1,269,000.

Milliken Mills and Middlefield

Markham's most established multi-generational communities and among its most accessible pricing. Detached homes averaged approximately $1,217,000 in Milliken Mills West and approximately $1,304,000 in Middlefield in the first quarter of 2026. Many homes here already contain second suites, so registration status is the first question to ask.

Victoria Square and Box Grove

Newer construction with modern layouts and, in Victoria Square, some of the more accessible detached pricing in north Markham at approximately $1,024,000 in the first quarter of 2026.

What This Costs in the Current Market

In August 2026, the average Markham sale price across all home types was $1,208,692, with detached homes averaging near $1.61 million. Homes sold at 98 percent of list price with an average of 33 days on market, and Markham active listings were down 10.7 percent from a year earlier.

A family shopping for a true multi-generational detached home in Markham should plan for the detached market rather than the overall city average. The layout requirements described above are not typically available in condominium apartments, and only occasionally in townhomes.