City, Town & Government:

City of Boston Website
The official website of the City of Boston

City of Boston Tax Department
Find assessing and tax information for any property in Boston

Schools:

School Matters
Find detailed information about a school or school district anywhere in the United States

Massachusetts Department of Education
Find detailed information about a school or school district in MA

Home Inspectors:

Home Inspectors in Massachusetts
Licensed home inspectors in the State of Massachusetts

American Society of Home Inspectors
A nationwide organization of licensed home inspectors

Miscellaneous:

The Boston Globe official guide to buying real estate