Contact Sierra Auction
Sierra Auction - Arizona's Largest Monthly Public Auction is committed to serving our customers with the best service and care available. Please use the form below or contact us directly if you have any questions about Sierra Auction or our services and we'll get back with you very soon.
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If you are having issues bidding or problems with your Proxibid account, please call Proxibid at 1-877-505-7770 for assistance. You can also email firstname.lastname@example.org
to get answers about questions or issues with your account. Check out our FAQ Page
for answers to our most asked questions.