Near Pinneberg is the transmission site for the maritime weather radioteletype and radiofax service DDH47, working on 147.3 kHz.

When a castle was first built in Pinneberg around the year 1200 AD, the site had already been used as a Germanic Thingstätte for several centuries.

This brick building, which was probably erected by Ernst Georg Sonnin, is the most important example of Baroque architecture in the district of Pinneberg.

After World War II the number of inhabitants of Pinneberg doubled because of the forced immigration of expellees, predominantly from East Prussia.

Many regional trains stop at Pinneberg railway station, which serves as the terminus of line S3 of the Hamburg S-Bahn rapid transit network.