Yes. If there is a written lease that clearly says no pets are allowed, first make sure you comply with any notice requirements that may be in your lease, such as a notice to cure. Once you provide your tenant with any required notices and if they've still refused to comply, then you may bring an eviction proceeding based on the tenant's default of a material provision of the lease.
But just note you will have the burden of proving that the tenant has a dog. And the burden is often higher than most landlords imagine. A photograph of a dog at the property is not sufficient. Especially if the tenants deny they have a dog. The type of evidence that would be sufficient would be:
- The tenant admitting they have a dog
- Video of the tenant walking the dog or playing with the dog at the property
- A dog license from the town registered to the tenant at the property.