Microchipping: San Francisco vs Seattle
How do microchipping rules compare between San Francisco, CA and Seattle, WA?
San Francisco and Seattle have similar restriction levels.
San Francisco, CA
San Francisco County
San Francisco Health Code Article 1 requires all dogs and cats impounded by Animal Care and Control to be microchipped before release, and licensing rules strongly encourage chipping for all pets.
View full San Francisco rules →Seattle, WA
King County
The Seattle Animal Shelter microchips every dog, cat, and rabbit adopted from the facility. SMC 9.25 does not mandate microchipping for all owned pets, but chips dramatically improve return rates for impounded animals.
View full Seattle rules →Key Facts Comparison
| Fact | San Francisco | Seattle |
|---|---|---|
| Required when | Impound or adoption | - |
| Code section | SF Health Code 41 | - |
| Database | National registry required | - |
| Subsidized clinics | ACC and SF SPCA | - |
| SAS adoptions | - | 100% chipped |
| Walk-in clinic | - | $25 |
| Mandate | - | None citywide |
| Registration | - | Owner responsibility |
Highlighted rows indicate differences between cities.
San Francisco FAQ
Is microchipping mandatory for all SF pets?
Mandatory only for impounded and adopted pets, but strongly recommended for all. Pet licensing and microchipping are linked through SF Animal Care and Control's record system.
Where can I get my pet chipped cheaply?
SF Animal Care and Control and the SF SPCA host periodic low-cost microchipping clinics. Most veterinary offices also provide chipping for around 25 to 50 dollars per pet.
Seattle FAQ
Do I have to microchip my pet in Seattle?
No, microchipping is voluntary for non-shelter pets. However, SAS strongly recommends it; chipped pets are reunited with owners 3x more often than tagged-only animals.
Where can I get my pet microchipped cheaply?
SAS holds low-cost microchip clinics at $25, including registration. Many Seattle vet clinics also offer chips for $40-75 during routine visits.
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