The Foundation Center’s Grants to Individuals Online is a fee service costing $9.95 for a one-month subscription. The Foundation Center’s online database is the most comprehensive source for funding information and is worth the $9.95 for your initial research.
Fundsnet Services provides links to art foundations and funders.
Maryland Art Place regularly posts artist opportunities.
The National Endowment for the Arts is the nation’s largest annual funder of the arts, bringing great art to all 50 states, including rural areas, inner cities, and military bases.
NYFA Source allows artists to search by keyword, discipline, geographic area, type of award, etc. Visual, performing, and literary art forms are supported as well as management and technical fields.
United States Artists is an organization dedicated to the support of America’s finest living artists. The site provides info on private funding and other artist issues.
Check out your State Arts Agency for more information on their funding opportunities.
You may also want to subscribe to your county and local arts agency newsletters. They frequently have opportunity listings that are region-wide.