The short answer
Cavaliers come up in Montreal rescue from time to time (purebreds go fast), so start with the Montreal SPCA and smaller Montreal-area foster-based rescues, and set alerts (the national breed-club rescue places only one or two dogs a year). The breed is gentle, affectionate, sweet, sociable, and adaptable, a perfect lap dog, wonderful with children, and excellent for apartments. But it comes with serious, common health problems you must understand first: above all mitral valve disease (MVD), a heart condition affecting the great majority of Cavaliers as they age (as many as 90% by age 10), plus a predisposition to syringomyelia (a neurological condition), and others. Pet insurance is strongly advisable. Adoption at the Montreal SPCA is $425 for an adult dog vs $3,200 to $4,000+ from CKC-registered breeders that publish prices. Cavaliers are also prone to separation anxiety.
Few breeds are as sweet-natured and universally loving as the Cavalier, a gentle, devoted lap dog that fits apartment and family life beautifully. But no honest guide can skip the hard part: Cavaliers are among the least healthy popular breeds, with a near-universal heart disease and a serious neurological predisposition. Choosing one means embracing a delightful companion and committing to real, ongoing health care. Here is the full picture.
Where to adopt in Montreal
Cavaliers and Cavalier crosses come up from time to time, though purebreds are in demand and go quickly. Start with the Montreal SPCA and set alerts. Beyond it, smaller Montreal-area foster-based rescues occasionally have Cavaliers. The Cavalier King Charles Spaniel Club of Canada rescue is the only Canadian Cavalier breed rescue we can verify, and it averages only one or two dogs a year with a long waiting list, so it is a long shot, not a reliable route.
Many adopters also consider Cavalier crosses (Cavapoos, Cavachons) and other gentle small companion breeds. Above all, understand the breed's serious health issues before adopting, especially the near-universal heart disease and the predisposition to syringomyelia. On LocalPetFinder you can browse adoptable dogs across Montreal-area organizations and set an alert. When adopting, ask the rescue about any known heart or health issues, the most important considerations for the breed.
Temperament: the gentle lap dog
Cavaliers are gentle, affectionate, sweet-natured, and adaptable, above all loving companion dogs bred for centuries as devoted lap dogs. Affectionate and devoted (they love to cuddle and be close), sociable and friendly with everyone (companions, not guard dogs), usually excellent with children and other pets, and adaptable (happy to walk or to relax on the couch), suiting a wide range of homes including apartments. Notes: they're prone to separation anxiety (thrive on company, don't do well left alone long), not protective, and moderate in energy.
Overall the Cavalier temperament, gentle, affectionate, sweet, sociable, and adaptable, makes the breed a wonderful, loving companion, and it's easy to see why they're so cherished. The important caveat, as with the French Bulldog: this lovely temperament comes packaged with serious health challenges, so choosing the breed means embracing a delightful companion while committing to managing significant health needs, particularly the heart.
The health reality: understand it first
This is the single most important thing to understand before choosing a Cavalier: they're a breed with very significant, common health problems. The central issue is mitral valve disease (MVD), a degenerative heart-valve condition extremely common in the breed, affecting the great majority of Cavaliers as they age (as many as 90% by age 10, according to a 2020 peer-reviewed study in the journal Animals), which is progressive and leads to heart failure in advanced stages. The other major concern is syringomyelia (SM), a serious neurological condition the breed is predisposed to (fluid-filled cavities in the spinal cord causing pain, a common sign is persistent scratching at the neck/shoulder).
Beyond these two, Cavaliers can also be prone to eye conditions, ear problems, patellar luxation, and hip dysplasia. The concentration of serious problems, particularly the near-universal MVD, is a defining concern, and it means owning a Cavalier requires understanding these issues, committing to careful veterinary care and monitoring (especially the heart), being prepared for potentially significant, lifelong costs, and strongly considering pet insurance. None of this means a Cavalier can't be a wonderful, loved companion, many are, but going in with clear eyes is essential. See our health guide and heart-health and MVD guide, reading them is essential before choosing the breed.
Grooming and cost
| Route | Typical cost | Includes |
|---|---|---|
| Rescue / Montreal SPCA | $425 adult dog (8 months+), $575 puppy | Sterilization, first vaccines, deworming, microchip |
| CKC-registered breeder | $3,200 to $4,000+ (breeders that publish prices, October 2026, small sample) | Puppy |
Grooming: the silky, feathered coat needs brushing several times a week (especially the feathering and behind the ears, where mats form), plus ear care (long, floppy, hairy ears are prone to problems), nail trims, and dental care (small breeds are prone to dental disease). The feathering picks up dirt and moisture (relevant in Montreal's wet, snowy seasons), so keep it clean and dry. A real, regular commitment (some owners have their Cavalier trimmed periodically). Cost: the Montreal SPCA fees above are from its fees page, and in Quebec an adoption fee isn't a purchase price. Show-line dogs cost more than the breeder range above, and cheap ads well below breeder prices are a red flag; our Cavalier puppy price guide has the breeder detail. But the most important cost is the ongoing veterinary cost, given the near-universal heart disease and SM predisposition, lifetime costs can be very high, so pet insurance is strongly advisable (taken out while the dog is young), and budget realistically. See our health guide.
Apartments and families
In temperament and lifestyle, Cavaliers are very well suited to both apartments and families. Apartments: a moderate size, adaptable, gentle, relatively quiet, with moderate exercise needs (no yard required), excellent for city dwellers. Their main need is companionship (people-oriented and prone to separation anxiety, so best where they're not alone long). Families: gentle, affectionate, patient, and sociable, usually excellent with children and other pets, lovely, gentle family dogs (handle the small, gentle dog carefully and supervise very young children).
So in temperament, size, and adaptability, a Cavalier is a wonderful choice for apartments and families, a real strength of the breed. The essential caveat, as always, is the health: a prospective owner must understand and commit to managing the breed's significant health needs (especially the heart) and the potential costs. A Cavalier fits apartment and family life beautifully, but the decision to adopt one must be made with full awareness of, and commitment to, the health realities.
Is it a good fit for you?
An excellent fit, in temperament, for an owner or family who wants a gentle, affectionate, adaptable companion, can provide companionship, and fully understands and commits to managing the significant health challenges (especially the heart) and costs. A poor fit if you can't commit to the health management and potential expenses, are away long hours (separation anxiety), or aren't prepared, financially and emotionally, for a breed with common, often lifelong health challenges.
As with the French Bulldog, it's worth reflecting on the ethics of the breed's health problems; adopting a Cavalier in need (rather than buying and further driving demand) is a defensible, good choice, but it comes with a real commitment to that dog's health care. When adopting, talk to the rescue about the individual dog's health and needs (a rescue Cavalier may already have heart or other issues), and be honest about your ability to provide the care and meet the costs.
Browse adoptable dogs in Montreal
If you understand and can commit to the health needs, an adopted Cavalier in need makes a devoted, gentle companion. Refreshed regularly across Montreal-area organizations.
See Available Dogs →Frequently Asked Questions
Where can I adopt a Cavalier King Charles Spaniel in Montreal?
Cavaliers and Cavalier crosses come up in Montreal-area rescue from time to time, and purebreds go fast. Start with the Montreal SPCA and smaller Montreal-area foster-based rescues, and set alerts. The only Canadian Cavalier breed rescue we can verify, run by the Cavalier King Charles Spaniel Club of Canada, averages just one or two dogs a year with a long waiting list, so treat it as a long shot rather than a reliable route. Understand the breed's serious health issues first, and ask any rescue about a dog's known heart or health issues.
What is the Cavalier King Charles Spaniel temperament like?
Gentle, affectionate, sweet-natured, sociable, and adaptable: devoted lap dogs that love everyone, usually excellent with children and pets, and happy to walk or relax on the couch. Prone to separation anxiety (they need companionship) and not protective. A wonderful temperament, with serious health caveats.
What health issues must I understand before adopting a Cavalier?
Above all mitral valve disease (MVD), a heart condition affecting the great majority of Cavaliers as they age (a 2020 peer-reviewed study in the journal Animals notes that as many as 90% develop it by age 10), plus a predisposition to syringomyelia (a neurological condition), and eye, ear, and joint issues. Go in prepared for careful veterinary monitoring and potentially significant costs; pet insurance is strongly advisable.
How much grooming does a Cavalier need, and how much does adoption cost in Montreal?
The silky, feathered coat needs brushing several times a week, plus ear care (prone to problems) and dental care. The Montreal SPCA charges $425 for an adult dog (8 months and older) and $575 for a puppy, including sterilization, first vaccines, deworming, and microchip. CKC-registered breeders that publish prices ask $3,200 to $4,000+ for a Cavalier puppy (October 2026, small sample). But the biggest cost is lifetime veterinary care given the health issues, so pet insurance is strongly advisable.
Are Cavaliers good for apartments and families?
Yes, in temperament: a moderate size, adaptable, gentle, and quiet, with moderate exercise needs, they are excellent for apartments and usually excellent with children and pets. Their main need is companionship (they are prone to separation anxiety). The essential caveat is the health, which must be understood and managed.
Is a Cavalier King Charles Spaniel a good fit for my household?
Excellent in temperament for an owner who wants a gentle, affectionate, adaptable companion, can provide companionship, and commits to managing the significant health challenges (especially the heart) and costs. Poor if you can't commit to the health management, are away long hours, or aren't prepared for a breed with common, often lifelong health issues. Adopting one in need is a defensible, good choice.
Related Montreal guides
Cavalier Health Issues
Mitral valve disease, syringomyelia, eye and ear conditions, patellar luxation, and the strong pet-insurance case.
Cavalier Heart Health & MVD Management
The breed's defining heart disease: what MVD is, the signs and stages, monitoring, treatment, and living with a Cavalier's heart in Montreal.
Adoptable Dogs in Montreal
All currently available dogs across Montreal-area organizations, including Cavaliers and Cavalier mixes. Updates regularly.
Montreal Dog Adoption Resources
All our Montreal dog adoption guides in one place.
New dog? Start with these care guides
Everything a new adopter needs to set up a safe, happy home.