- Castle Shannon Volunteer Fire Department – A link to the local fire department
- Borough of Castle Shannon Home Page – A link to the borough’s homepage.
- Castle Shannon News Headlines – News feeds from local sources updated continously provided by Topix.net.
- Keystone Oaks School District – A link to the school district’s website.
- Allegheny County Tax Assessment/Real Estate Web Site – This is the site setup by Allegheny County for citizens to check on tax assessments and values.
- South Hills Area Council of Governments (SHACOG)
- Castle Shannon Youth Association Website
- Castle Shannon History – A website developed by a former resident of Castle Shannon in honor of their hometown. Contains some nice pictures and history
- Castle Shannon History in Pictures – This is part of a collaborative library project sponsored by the State of Pennsylvania.
- Greater Pittsburgh Literacy Council – The Greater Pittsburgh Literacy Council serves community members by providing tutoring and classes in and around Castle Shannon. We are a nonprofit organization that wishes to serve all adults who are struggling with literacy.
All links verified 10/15/12