Licensing Information

Black cat wearing a licenseMultnomah County Animal Services requires* licenses to benefit neighborhoods, pet owners and animals. These benefits include:

  • Lost pets are quickly reunited with their owners. Pet owners are easily found by entering the license number online. Multnomah County returns approximately 2000 lost pets to their owners each year.
  • Safer neighborhoods for families and pets. License fees help support field services and investigations to address cruelty, neglect, loose pets, aggressive dog and bite reports.
  • A safe haven for homeless animals. The MCAS Shelter provides approximately 8,000 animals with food, healthcare, shelter, training, foster and adoption services each year.

* Section 13.101 of the County Code states  "Dogs and cats shall be licensed within 30 days of obtaining the age of six months or within 30 days of obtaining residency in the county or acquisition by the owner or keeper, whichever occurs later."

How to Get a License


By mail

If you are applying for a new license, complete the pet license application form. If you are renewing a license, write your pet's license number on your check. Send a check or money order made payable to "MCAS":
Multnomah County Animal Services
PO Box 698
Troutdale, OR, 97060

At participating veterinary clinics

Many veterinary clinics throughout the county are MCAS license vendors. Locate a clinic near you on the license vendor map.

At the shelter

You may obtain a license in person during regular shelter hours at 1700 W Historic Columbia River Hwy, Troutdale, OR 97060.

Pet License Fees

                                           1 year 2 year 3 year
Replacement tags $5
Fertile cats $30 $60 $90
Spayed/neutered cats $12 $19 $24
Fertile dogs $30 $50 $65
Spayed/neutered dogs $25 $40 $50


Senior Citizens License Fees (65 & older)

(Limit of 2 pets per household for reduced fees)

Fertile cats $15 $30 $45
Spayed/neutered cats $6 $9 $12
Fertile dogs $15 $25 $33
Spayed/neutered dogs $12 $20 $25