These maps include the block maps used by the Cambridge Assessing Department and taxing districts throughout the City.
City of Cambridge Department of Assessing http://www.cambridgema.gov/assess.aspx
Index Map for Assessors Parcel Maps
Assessor's Block Maps are the tax maps by each block.
Fiscal Year 2014 Commercial Taxing Districts
Fiscal Year 2014 Residential Taxing Districts