Newcastle is served by the King County Library System (KCLS).
Newcastle Library
12901 Newcastle Way
Newcastle, Washington 98056
425.255.0111
Newport Way Library
14250 S.E. Newport Way
Bellevue, Washington 98006
website: www.kcls.org/npw
phone: 425.747.2390
Bellevue Regional Library
1111 110th Ave NE
Bellevue, WA
425.450.1765
Fairwood Library
17009 140th SE
Renton, WA
425.226.0522
To go to the King County Library's page
website: www.kcls.org
