Contact Us

Our office at Elk Rock Garden is open to members, Monday through Thursday, 10 AM to 3 PM, February 01 through November 30:

11800 S Military Ln
Portland, OR 97219

[map]

Outside of these hours, staff can be reached by phone or email during our regular business hours: Monday to Thursday, 9 am to 5 pm.

If you receive our voicemail, please do leave a message so we can call you back.

Phone: (503) 224-5718

For membership questions: [email protected]

For other HPSO questions: [email protected]

We are closed on state and federal holidays.

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