OPPOSE Mayor Bowser’s Bill to Radically
Change DC's Comprehensive Plan
to Favor Developers Over Residents

Take Action


Oppose Smithsonian Proposal
to Destroy the Haupt Garden

Take Action


Improve DC's
Affordable Housing Policies

Learn More...


Tell the Council & Mayor
No More Billboard Blight in DC!

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C100 small cell 2

5G Small Cell Rollout in DC

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In 1923, a group of distinguished citizens founded The Committee of 100 on the Federal City to sustain and safeguard the fundamental values of the L’Enfant and McMillan Plans that give the nation’s capital much of its distinction, beauty and rich community character. As independent citizen advocates for sound planning, we are active city-wide in land use planning, zoning, transportation, historic preservation and parks and open space conservation.

The 2017 Vision Awards

The C100 gave out six Vision Awards in October. See who we honored.


The Planning Subcommittee responds to what is being proposed in a land use plan.

Parks & Environment

The Parks and Environment Subcommittee preserves parks and open space in Washington, D.C. in line with the principles of the McMillan Plan.


The Transportation Sub-Committee promotes sound planning for commuter and passenger rail, streetcars, underground parking for neighborhood businesses and residents, and billboard and sign control.

Historic Preservation

The Historic Preservation Subcommittee protects and preserves the significant historic properties, vistas, landscapes, and archaeology of D.C.


The Zoning Subcommittee promotes land use policies and practices that are in conformance with the city’s Comprehensive Plan.


The Housing Subcommittee promotes an inclusive city by advocating policies and tools that will produce greater housing affordability.

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