Signature, the previous developer, posted limited information on a City of Oakland website. You can sign up (green button) to be notified of updates. However, this may or may not inform you of all activities related to the project.
https://www.oaklandca.gov/projects/claremont-hotel
2017 Zoning change application:
2016 case file:
https://cao-94612.s3.amazonaws.com/documents/StaffReport2.pdf
2016 Landmarks Preservation Advisory Board staff report:
https://cao-94612.s3.amazonaws.com/documents/Published-Staff-Report.pdf
2016 Planning Commission report:
https://cao-94612.s3.amazonaws.com/documents/StaffReport2.pdf
2016 revised plans with renderings:
http://www2.oaklandnet.com/oakca1/groups/ceda/documents/report/oak061823.pdf
2016 revised Notice of Preparation:
https://cao-94612.s3.amazonaws.com/documents/Revised-Notice-of-Preparation-August-5-2016.pdf