Correspondence, reports, studies, and reference materials relating primarily to parks and recreation issues. Major subjects include the Parks Complan, Greenlake, open space, Seattle Center redevelopment, Coliseum/Arena improvements, Seattle Commons, off-leash dog runs, punchboard and pulltab gambling, the Shoreline and Park Improvement Fund, and Sandpoint Naval Station reuse planning.

Correspondence, memoranda, reports, studies, and staff reports related to issues that come before the City Council for consideration. Also includes copies of City Council work programs and policy planning agendas. A large portion of the material relates to regional planning issues, especially water, electrical power, transportation, and governance.

Records created and received by O'Brien's office during his tenure as Seattle City Councilmember.

Records of the committee during Richard Conlin's tenure as chair.

Planning records for the Seattle Commons.

Records from directors of Seattle's Department of Neighborhoods.

Records relating to the sale and development of City-owned parcels in South Lake Union.

Planning files for projects in Seattle neighborhoods.

Records concerning transportation issues and projects in Seattle.