Enjoy Old World Charm at The Mosser. Conveniently located between the City’s renowned Union Square (shopping district) and the Moscone Convention Center, both business and leisure travelers will find excellent shopping, touring and night life within blocks from their hotel room. We offer 166 non-smoking guest rooms with custom designed furnishings for ingenious space efficiency and a unique flair. Our mission is to associate the identity of a hotel with that of the traveler to ensure a stay that fulfills our guests’ every need!