Microchipping: Gresham vs Portland
How do microchipping rules compare between Gresham, OR and Portland, OR?
Gresham, OR
Multnomah County
No data available yet for Gresham.
Portland, OR
Multnomah County
Multnomah County does not currently require microchipping of all dogs and cats, but microchipping is mandatory for any animal designated 'potentially dangerous' under MCC 13.401 and is required for the discounted lifetime license tag program under MCC 13.301. All animals impounded by Multnomah County Animal Services are scanned for microchips on intake under MCC 13.701, and unclaimed sterilized animals are typically microchipped before adoption.
View full Portland rules →Key Facts Comparison
| Fact | Gresham | Portland |
|---|---|---|
| Mandatory For | - | Dangerous dogs + lifetime-license pets |
| General Mandate | - | Not required (recommended only) |
| Shelter Scanning | - | Required on intake (MCC 13.701; ORS 609.108) |
| Adoption Standard | - | MCAS chips before placement |
| Registration | - | Owner must keep contact info current |
Highlighted rows indicate differences between cities.
Gresham FAQ
No FAQs available.
Portland FAQ
Does Portland require me to microchip my dog or cat?
No, microchipping is not a general requirement in Portland or Multnomah County. It is mandatory only for dogs designated 'potentially dangerous' under MCC 13.401 and for animals enrolled in the discounted lifetime-license tag program under MCC 13.301.
Will Multnomah County Animal Services scan my lost pet for a chip?
Yes. MCC 13.701 and ORS 609.108 require shelters to scan every impounded animal with a universal microchip reader before any disposition. Keeping your chip registration current is the single best way to be reunited with a lost pet.
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