What Washington State requires by law
Washington's rabies vaccination mandate is found in WAC 246-100-197 (accessed Aug 29, 2026). The rule covers dogs, cats, and domestic ferrets — all three must be vaccinated and kept current on revaccination against rabies. The regulation uses specific definitions that matter in practice:
- "Currently vaccinated" means an animal has been initially vaccinated and has received all booster doses per the USDA-licensed vaccine manufacturer's recommended intervals. Both conditions must be met — initial vaccination alone is not sufficient once the revaccination window has passed.
- "Overdue for vaccination" means an animal that has not received a booster vaccination within the manufacturer's recommended interval. An overdue pet is not considered "currently vaccinated" under Washington law, even if it received a previous vaccine.
The practical consequence: if your pet's rabies booster is overdue, it is legally unvaccinated for purposes of Washington's animal control regulations. This affects licensing eligibility, bite quarantine procedures, and importation into the state.
Rabies vaccination certificates must be available upon request. Animal control officers may ask for the certificate following a bite incident or when issuing a licensing citation.
What you'll actually be asked for
| Vaccine | Who Requires It | Interval |
|---|---|---|
| Rabies | State law (WAC 246-100-197) — all dogs, cats, ferrets | Per manufacturer; typically 1 or 3 years |
| DHPP / DAPP (dogs) | Boarding facilities, daycares, many dog parks | Every 1–3 years |
| Bordetella (dogs) | Boarding facilities, groomers, daycares | Every 6–12 months |
| FVRCP (cats) | Boarding facilities, catteries | Every 1–3 years |
| Leptospirosis (dogs) | Growing requirement at Pacific NW boarding facilities | Annually (two initial doses) |
| Canine influenza (dogs) | Some Seattle-area facilities; growing | Annually |
Washington-specific vaccination context
Leptospirosis: a Pacific Northwest priority
Leptospirosis is a bacterial disease shed in the urine of wildlife — particularly raccoons, deer, rats, and muskrats — that is widespread in Washington's temperate, wet environment. Dogs can be exposed through contact with contaminated water, soil, or puddles. Western Washington's climate and the prevalence of urban wildlife in the Puget Sound region make this a meaningful and underappreciated risk. Many Washington vets include Leptospirosis as a core vaccine recommendation, especially for dogs with any outdoor exposure. The vaccine requires an initial two-dose series and annual boosters — confirm timing with your vet.
Canine influenza: an emerging requirement
Canine influenza (H3N2 and H3N8) has appeared in Washington outbreaks and is increasingly required by higher-volume boarding facilities in the Puget Sound area. It is not yet universal but is worth discussing with your vet, especially if you board frequently or attend dog daycare regularly.
Rabies risk profile in Washington
Washington is a low-rabies-risk state relative to much of the eastern U.S. — bat rabies is the primary exposure pathway in the region. Despite the low case count, WAC 246-100-197 mandates vaccination for all dogs, cats, and ferrets regardless of lifestyle or indoor/outdoor status. The legal requirement does not depend on exposure risk.
Records Washington pet owners should maintain
- Rabies vaccination certificate — include vaccination date, product name, manufacturer, lot number, and expiration/revaccination date
- DHPP/DAPP record with dates and product (dogs)
- Bordetella certificate with the specific administration date (facilities track the 6-month window closely)
- Leptospirosis vaccination record including both initial doses and annual boosters (dogs)
- FVRCP record with dates (cats)
- Any specialist or emergency visit summaries that include medications administered
- Microchip number — technically not a vaccination record, but requested alongside vaccination records for licensing and boarding intake
When you'll need these records in Washington
- Pet licensing: All Washington jurisdictions require current rabies proof at the time of licensing. No certificate, no license.
- Boarding and daycare: Facilities will request rabies, DHPP, and Bordetella (dogs); FVRCP (cats) at every booking, or on annual renewal of your pet's file.
- Moving into Washington: Rabies certificate is required for interstate entry under WAC 246-100-197.
- Bite or exposure incidents: Animal control will request the rabies certificate immediately. An overdue certificate triggers a mandatory quarantine protocol.
- New vet onboarding: Your new vet will want complete vaccination history to assess what's current, what's due, and what products your pet has received.
Last verified: August 29, 2026. Vaccination requirements vary by locality and facility. Your vet can advise on the specific vaccines recommended for your pet based on lifestyle, location, and disease risk in the Pacific Northwest.