Multnomah County Library services are funded by a dedicated property tax for Multnomah County Library District.

The current property tax rate for Multnomah County Library District is $1.22 per $1,000 of assessed value (AV), and the library district rate is limited to $1.24 per $1,000 AV. Library district taxes are dedicated to fund only services. The library fund operating budget [PDF] for Fiscal Year 2023 is $100.3 million.