San Mateo County Libraries vs Building Kidz Connect Usage & Stats
The San Mateo County Libraries app is your connection to the library's services from your mobile device. Check your account, pay fines, renew items, search the catalog, place holds and use your digital library card.
Find upcoming events, read our blogs, get directions to the nearest San Mateo County Libraries branch, and get easy access to our digital collection like eBooks/eAudiobooks, eVideos, eMusic and eMagazines.
- Apple App Store
- Free
- Lifestyle
Store Rank
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Building Kidz Connect is an app designed specifically for schools and parents to share communication, coordinate billing and manage enrollment data. Parents using the Building Kidz Connect app can customize notifications and contact information to best utilize this tool for their family. For information on how to login, please contact your participating school administrator.
- Apple App Store
- Free
- Lifestyle
Store Rank
- -
San Mateo County Libraries VS. 
Building Kidz ConnectJanuary 15, 2026