The Short Answer: Enroll Early
Most experts agree: the best time to enroll your dog in pet insurance is when they're a puppy. Here's why the timing matters so much:
Puppies are less likely to have pre-existing conditions, shorter waiting periods may apply, and premiums are generally lower. Plus, hereditary conditions that show up later in life will be covered if enrolled as a puppy.
Cost Comparison: Puppies vs. Adult Dogs
| Factor | Puppy (8 weeks - 1 year) | Adult (1-7 years) |
|---|---|---|
| Monthly premium (avg) | $25-45 | $40-70 |
| Pre-existing condition risk | Very low | Higher |
| Waiting periods | Often shorter | Standard |
| Hereditary condition coverage | Fully covered if enrolled early | May be excluded |
| Enrollment age limit | Usually unlimited | Often 14 years max |
| Vaccination-related issues | Often covered | Varies |
Why Pre-Existing Conditions Matter More for Adults
When you enroll an adult dog, the provider will review your pet's health history. Any condition that has been diagnosed or showed symptoms before enrollment is considered pre-existing and will not be covered.
For puppies, there's typically minimal health history to review — meaning hereditary conditions, genetic issues, and early-onset problems discovered later will likely be covered.
Breed-Specific Considerations
Some breeds have known hereditary conditions that typically appear as they mature:
German Shepherds
Hip dysplasia
Typically appears: 1-3 years
Golden Retrievers
Cancer, hip dysplasia
Typically appears: 3-8 years
French Bulldogs
Brachycephalic issues
Typically appears: 1-2 years
Labrador Retrievers
Hip dysplasia, obesity
Typically appears: 2-5 years
Great Danes
Bloat, cardiomyopathy
Typically appears: 2-4 years
Cavalier King Charles
Heart disease
Typically appears: 3-5 years
Can You Still Get Insurance for an Adult Dog?
Yes! Many adult dogs are still excellent candidates for pet insurance:
- • Most providers accept dogs up to 14 years — age limits vary
- • Accident coverage is still valuable — even if illness coverage is limited
- • Conditions treated in the past may not count as pre-existing if cured for 12+ months
- • Comprehensive coverage for future issues is still worth having
Our Recommendations
For Puppy Owners:
- • Enroll as early as 8 weeks old
- • Choose comprehensive coverage
- • Lock in lower premiums while young
- • Ensure hereditary conditions are covered
- • Consider add-ons like spay/neuter coverage
For Adult Dog Owners:
- • Get a complete vet records review first
- • Compare providers with shorter look-back periods
- • Consider accident-only if illness is heavily excluded
- • Look for curable condition clauses
- • Prioritize providers with higher age limits
CheckItAll Team
Our editorial team researches and reviews pet insurance providers to help you make informed decisions. We are committed to transparent, unbiased comparisons and may earn compensation from partner links.