NBCLS is a network that provides enhanced access to library services information and resources to people in the North Bay.
| Operating Income | Annual Membership Dues |
| $5,000,001 or more | $12,059 |
| $3,500,001 to $5,000,000 | $4,761 |
| $1,000,001 to $3,500,000 | $4,609 |
| $500,001 to $1,000,000 | $4,149 |
| $500,000 and under | $3,841 |
All affiliate members, regardless of size or operating income: $771
Dues permit affiliate members to:
Services such as reference, delivery, SuperSearch ILL and consulting have to be purchased.
Minimum eligibility requirements for library membership in NBCLS are:
A library must have: