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Listings, map and statistics cover houses with an existing or potential suite on Vancouver Island north of the Malahat and the nearby Gulf Islands, as listed through the Vancouver Island Real Estate Board. For Greater Victoria, see Greater Victoria homes with suites.
Houses with an existing or potential secondary suite, carriage house or in-law space, from Nanaimo and the Comox Valley to Campbell River, the Cowichan Valley and Port Alberni.
Suite Homes and Mortgage Helpers on Vancouver Island
Browse current Vancouver Island homes with suites for sale: houses with a basement or ground-level suite, a carriage house or garden suite, an in-law space, or a layout the listing describes as suitable for one, from houses near Vancouver Island University in Nanaimo to family homes in Courtenay and Campbell River and acreages with a second dwelling in the Cowichan Valley.
A suite can carry part of the mortgage, house a parent or an adult child, or give a growing family room to expand. What it is worth depends on whether it is legal, how much rent it can earn and what the zoning now allows on the lot.
BC’s 2023 housing legislation changed that last point across the province. This guide explains the secondary suite and small-scale multi-unit housing rules, legal and unauthorized suites, assessment, taxes and financing, then looks at the rules and the stock in each region.
This page shows every house listed through the Vancouver Island Real Estate Board where the additional accommodation field says a suite exists or there is potential for one. The field is completed by the listing brokerage and does not confirm that a suite is permitted, so a home marked as having a suite may hold a fully permitted unit, an unauthorized one or a self-contained space used by family.
Potential usually means a separate entrance, a walk-out lower floor or a lot with room for a detached unit. Under the new zoning rules many more lots qualify, but the cost of building to code still decides whether a suite pays for itself. Rural properties with a second residence are also covered on the Vancouver Island acreages and land page.
The Housing Statutes (Residential Development) Amendment Act, 2023, known as Bill 44, required local governments to update their zoning by June 30, 2024. On lots zoned for single-family homes or duplexes in a municipality of more than 5,000 people, or inside an urban containment boundary set by a regional growth strategy, zoning must now allow three units on lots of 280 m² or less and four units on larger lots, and six units on larger lots near frequent bus service, where a route stops every 15 minutes on average through the day. Everywhere else, including smaller towns and regional district electoral areas, single-family zones must allow at least a secondary suite or a detached accessory dwelling unit.
Where the Rules Apply on the Island
The multi-unit rules cover the Island’s larger municipalities, including Nanaimo, Courtenay, Comox, Campbell River, Parksville, Qualicum Beach, Ladysmith, North Cowichan, Duncan and Port Alberni, and Lantzville and Cumberland have zoned most serviced residential lots for up to four units. Lots not connected to both municipal water and sewer, parcels over 4,050 m² (about an acre), heritage-protected land and certified hazard areas are exempt. On Agricultural Land Reserve land, the Agricultural Land Commission allows a suite only inside the principal residence, plus in most cases one small detached residence.
Legal and Unauthorized Suites
Zoning that allows a suite does not make an existing suite legal. A suite is legal when it was built or converted under a building permit and passed final inspection, which brings in BC Building Code requirements such as fire and sound separation, interconnected smoke alarms, a separate exterior exit, bedroom windows large enough to escape through and minimum ceiling heights. An unauthorized suite can usually be legalized under a permit or, where that is not practical, decommissioned, and some municipalities register a notice on title when an owner does neither. Ask for the permits and final inspection, and tell your insurer about a rented suite before you buy.
Assessment, Rental Income and Taxes
A finished suite generally adds to a property’s assessed value and so to its property tax, and municipalities may add water, sewer or garbage charges for a second unit. Suite rent is taxable income, and you can deduct a reasonable share of the costs. Under the Canada Revenue Agency’s principal residence guidance, the whole home usually stays sheltered when the rental use is ancillary, there are no structural changes and no capital cost allowance is claimed; creating a self-contained suite through structural changes, or claiming depreciation on it, can expose part of a later gain to tax, so get accounting advice before you renovate or file.
Financing with Rental Income
For an insured mortgage on an owner-occupied house with one suite, CMHC’s guidelines let lenders add up to 100% of the gross suite rent to the buyer’s income, though each lender sets its own rules on leases, appraisals and whether the suite must be legal. Owners who want to add a suite can refinance with mortgage insurance for up to 90% of the improved value, on homes worth less than $2 million with no more than four units, provided the new unit is self-contained and not used as a short-term rental. See buying a home for the wider purchase process.
Short-Term Rentals
Where BC’s principal residence requirement applies, a short-term rental is limited to the host’s own home plus one secondary suite or accessory dwelling unit on the same property, and the host must register with the provincial registry. On the Island the requirement covers Nanaimo, Courtenay, Comox, Cumberland, Campbell River, Parksville, Qualicum Beach, Duncan, North Cowichan and Port Alberni, along with Gabriola and Quadra islands. Tofino and Ucluelet are exempt, but local zoning still decides whether a suite can be rented to visitors.
Nanaimo Homes with Suites
Nanaimo has the Island’s largest supply of homes with suites, spread from older neighbourhoods such as Harewood and the University District to Departure Bay and the hillside subdivisions of north Nanaimo, where sloping lots lend themselves to walk-out lower floors. Vancouver Island University and Nanaimo Regional General Hospital add rental demand in the central and south parts of the city.
In June 2024 the City pre-zoned most single-dwelling and duplex lots for three or four units, exempting lots off City services, larger lots and hazard areas on the north slopes, and set higher minimum densities within 400 metres of the Woodgrove, Country Club and VIU bus exchanges. Next door, Lantzville allows four dwellings on lots inside the regional growth containment boundary that have municipal water and sewer. Local listings are on the Nanaimo and Parksville homes with suites page.
Parksville, Qualicum Beach and Nanoose Bay
Parksville and Qualicum Beach both have more than 5,000 people, so serviced single-family lots in either town must allow three or four units. In the regional district areas around them, including Nanoose Bay, Errington and Coombs, zoning must allow at least a suite or a detached unit, but most rural lots rely on wells and septic systems, and their capacity, together with lot size and ALR status, decides what can actually be added.
Comox Valley Homes with Suites
Courtenay replaced 16 residential zones with a single small-scale multi-unit zone, R-SSMUH, in June 2024, allowing up to four units per lot, including a secondary suite and a detached accessory dwelling unit. Cumberland has pre-zoned most single-residential lots for up to four units, and Comox, with more than 5,000 people, falls under the same provincial requirements. In the Comox Valley Regional District’s rural areas, from Royston and Union Bay to Merville and Black Creek, suites and detached units depend on septic capacity, well water and Agricultural Land Reserve status. Courtenay homes with suites and the rest of the valley are on the Comox Valley and Campbell River homes with suites page.
Campbell River Homes with Suites
Campbell River homes with suites are spread through Willow Point and the city’s central neighbourhoods, with larger homes and acreages on the rural edges. Bill 44 rezoned many residential properties in the city to allow secondary suites, and the City has offered grants and building permit fee waivers to owners who build or legalize one, so check which incentives are current before you budget. Quadra Island, a short ferry ride across Discovery Passage, falls under the principal residence requirement for short-term rentals.
Cowichan Valley and Ladysmith Homes with Suites
In the Cowichan Valley, homes with suites appear in Duncan, North Cowichan, Ladysmith and Chemainus, and on rural acreage where a carriage house or second dwelling is part of the property. Duncan, North Cowichan and Ladysmith are each over 5,000 people, so their serviced single-family lots fall under the multi-unit rules, while the regional district’s electoral areas follow the suite-or-detached-unit minimum and their own septic and water limits. Several Cowichan Valley electoral areas are also covered by the principal residence requirement for short-term rentals.
Port Alberni and West Coast Homes with Suites
Port Alberni is large enough to fall under the multi-unit rules on serviced lots, and the Alberni-Clayoquot Regional District sets the rules for rural areas such as Beaver Creek, Cherry Creek and Sproat Lake. On the west coast, Ucluelet limits a suite to 90 m² or 35% of the home’s habitable area, whichever is less, with no more than two bedrooms and one off-street parking space for each unit, and keeps suites for residential use except in its vacation rental zone. Tofino sets its own zoning, so confirm whether a suite there can be used for staff housing, long-term tenants or visitors before you buy.
Vancouver Island Suite Buyer Note
Before buying a home with a suite, confirm the zoning, the building permit and final inspection for the suite, fire separation and exits, the current lease and rent, insurance for a rented unit, extra utility charges, short-term rental rules for the community, and how your lender will count the rent.
Search Vancouver Island Homes with Suites and MLS® Listings
The listings and map at the top of this page show current Vancouver Island homes with suites for sale, from Nanaimo family homes to Comox Valley carriage houses and Cowichan Valley acreages. Head back to the Vancouver Island real estate listings to compare every property type, or check the Vancouver Island Homes with Suites Market Report for asking prices, sizes and market times across the Island.
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