Plan. Permit. Construct.

Let's Get Started.

Whether you are a homeowner who wants to build a deck or finish a basement or a commercial developer looking to build a new subdivision, the resources and information below will help you determine your project's feasibility, what steps are required to reach your goals successfully, and the appropriate agencies that will you assist you in the development process.

Staff is Available for Assistance

County staff is available through the Customer Information Center by email or via phone at the following numbers:

  • Planner of the Day
    • Zoning Permits (Plats, Permit Review, Occupancy, Home Occupations) 703-222-1082, TTY 711
    • Zoning Administration (Zoning & Noise Ordinance Questions, Appeals, Signs) 703-324-1314, TTY 711
    • Zoning Evaluation (Zoning Applications, Staff Reports) 703-324-1290, TTY 711
    • Planning Division (Comprehensive Plan) 703-324-1380, TTY 711
  • Engineer of the Day
    • Site and Subdivision Plans:  703-324-2268, TTY 711
    • Building, Mechanical, Electrical and Plumbing Plans:  703-631-5105, TTY 711
    • Building Inspections Supervisor:  703-631-5105, TTY 711
    • Contact Individual Building Plan Reviewers
  • Building Permits: Permit Application Center, 703-222-0801, TTY 711

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Need Assistance With Your Project?


Fairfax County provides a Project Management Program to help customers achieve their goals by guiding them through the land development process. It is focused on facilitating an environment of enhanced communication and cooperation among all project stakeholders. The program’s key components for success are mutual accountability in communications, quality and schedule.



Fairfax Virtual Assistant