Fairfax County

Mosaic District. Photo: Sonya Breehey

Fairfax County is the largest jurisdiction in Virginia and the Washington region with over 1.1 million people. To accommodate future growth, manage traffic, and provide vibrant communities, CSG promotes transit-oriented redevelopment of the County’s aging commercial corridors and vast parking lots as a better way to grow.

Our Work in Fairfax County, VA


Inclusive Vibrant Communities

Through smarter land use, we can build a more inclusive, vibrant, and sustainable region with neighborhoods that are safe and convenient for walking, biking, and taking transit to our daily needs – school, stores, parks, and jobs – and provide different housing types for a mix of incomes. Learn More >>

Photo credit: Sonya Breehey

Housing for All

Building more housing and different types of housing – townhouses, duplexes, apartments – with good access to transit, while preserving and building affordable housing will increase equity and access to opportunity and reduce household transportation costs. Learn More >>>

Image credit: Sonya Breehey

Convenient, Sustainable Transportation Options

Our region’s transit system provides the framework for a sustainable region and vibrant, interconnected communities. We must invest in public transit that is frequent, reliable, and convenient; make walking and biking comfortable and well-connected; and stop building new highways and widening roads. Learn More >>>

Image credit: Sonya Breehey

Latest Happenings


CSG Testimony in support of Accessory Living Units in Fairfax County

CSG Testimony in support of Accessory Living Units in Fairfax County

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Oct. 29, 2026Fairfax County Planning Commission12000 Government Center PkwyFairfax, VA 22035 Good evening, Fairfax County Planning Commissioners. My name is Becca Dedert, and I serve as the Virginia Housing Advocacy Specialist with the Coalition for Smarter Growth. CSG advocates for walkable, transit-oriented communities as the most sustainable way for our
Final opportunities to support Accessory Living Units in Fairfax County!

Final opportunities to support Accessory Living Units in Fairfax County!

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Detached Mother-in-law suite, courtesy of the Sightline Housing Solutions Photo Library, CC BY 2.0 (cropped) Time is running out - our window is closing to make Accessory Living Units a real housing solution for Fairfax County. While the most recent staff recommendations include some big wins, the county is still

ACTION ALERT: Don’t forget to support accessory dwellings today!

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Fairfax County is in the final stretch of updating its Accessory Living Unit (ALU) regulations, and the county needs to hear from supporters before making their final decisions.

ACTION ALERT: The time is near for ALUs – we need you!

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Fairfax County recently released proposed changes to its Accessory Living Unit (ALU) regulations. While heading in the right direction, they still don’t go far enough.
Make accessory dwellings a real housing solution for Fairfax County!

Make accessory dwellings a real housing solution for Fairfax County!

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Fairfax County's current rules are far too restrictive to be effective – this is a chance to revise these standards and make ALUs a real tool to help address our housing shortage.