The Clift Royal Sonesta San Francisco mailing address
To mail The Clift Royal Sonesta San Francisco, send your letter to The Clift Royal Sonesta San Francisco, 495 Geary Street, San Francisco, CA 94102, USA, addressed to Guest Relations. This is the landmark Art Deco hotel near Union Square in San Francisco in San Francisco, California. To reach someone staying there instead, put the guest's name on the first line and "c/o The Clift Royal Sonesta San Francisco" above the same address — and make sure it arrives during their stay.
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Mailing address
Verified September 2026The Clift Royal Sonesta San Francisco — mailing address
Guest Relations The Clift Royal Sonesta San Francisco 495 Geary Street San Francisco CA 94102 United States
General correspondence, guest relations, billing questions, and lost-and-found enquiries. To reach a guest who is currently checked in, replace "Guest Relations" with the guest's full name, keep "The Clift Royal Sonesta San Francisco" on the next line, and add their arrival date so the front desk can hold the mail.
No printer, envelope, or stamp — we print and mail it the next business day.
Sources
Addresses verified September 2026 against official sources. Always confirm on the official site before time-sensitive filings.
Key facts
- Letters to the hotel go to "Guest Relations, The Clift Royal Sonesta San Francisco" at 495 Geary Street, San Francisco.
- To reach a current guest, use their name, "c/o The Clift Royal Sonesta San Francisco", the same address, and their arrival date — the front desk holds it for check-in.
- A hotel can't forward mail to a guest after they check out, so time it to land during the stay.
- Great for lost-and-found claims and billing questions: a mailed letter gives you a dated paper trail.
- PostPal prints your letter and mails it to the US for you — no printer, envelope, stamps, or post office trip.
How to send your letter
- 1
Decide who the letter is for
Writing to the hotel itself — a complaint, a compliment, a billing question, or a lost-and-found claim — goes to Guest Relations. Writing to someone staying there goes to that guest, care of the hotel, and only works while they're checked in.
- 2
Address it correctly
For the hotel: first line Guest Relations, then The Clift Royal Sonesta San Francisco, then 495 Geary Street, then San Francisco CA 94102. For a guest: put the guest's full name on the first line, "c/o The Clift Royal Sonesta San Francisco" on the next, the same street and city lines, and write their arrival date on the envelope so the front desk knows to hold it.
- 3
Keep it to paper, and time it
Send letters and printed documents — not cash or valuables. Mail for a guest should arrive during their stay, so post it a few days ahead; if you're not sure of the dates, call the hotel first. A hotel can't forward mail to a guest who has already checked out.
- 4
Send it without a printer
Write or upload your letter to PostPal with The Clift Royal Sonesta San Francisco's address prefilled. We print it, add your return address, and mail it to the US for you — no printer, envelope, stamps, or trip to the post office.
Common questions
What is the mailing address for The Clift Royal Sonesta San Francisco?
The Clift Royal Sonesta San Francisco, 495 Geary Street, San Francisco, CA 94102, USA. Address letters to the hotel to "Guest Relations, The Clift Royal Sonesta San Francisco" at that address.
How do I send mail to a guest staying at The Clift Royal Sonesta San Francisco?
Put the guest's full name on the first line, then "c/o The Clift Royal Sonesta San Francisco", then 495 Geary Street, San Francisco, CA 94102. Write the guest's arrival date on the envelope and post it so it arrives during their stay — the hotel holds mail at the front desk for current guests but can't forward it after checkout.
Can I mail The Clift Royal Sonesta San Francisco about a lost item?
Yes. A letter to Guest Relations at the address above is a good paper trail for a lost-and-found claim — include the dates of your stay, your room number if you have it, a description of the item, and your return address so they can reach you.
Can I send The Clift Royal Sonesta San Francisco a package or a gift?
PostPal sends letters and printed documents, not parcels. Many hotels will accept a package for a registered guest, but policies vary and there may be a handling fee — call the hotel before shipping anything, and never send cash.
How do I mail The Clift Royal Sonesta San Francisco from Canada without a printer?
Write or upload your letter to PostPal with the address prefilled. We print it, add your return address, and send it to the US as an international letter — no printer, stamps, or post office trip needed.