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SetbackIQ

Solar panels in Fairfax County, VA

Roof-mounted solar may rise 5 ft above the district height limit. Ground mounts and solar canopies follow the accessory structure setbacks. Building and electrical permits are required, and an HOA can't ban panels unless its recorded declaration already did.

A person last checked these rules on October 20, 2026. This is guidance only, so confirm with Fairfax County before you build.

The details

  • Roof systems: up to 5 ft above the maximum building height.High confidence
  • Canopies and ground arrays: same height and setback rules as sheds and other freestanding accessory structures.High confidence

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Common questions

Where may I put solar panels on my own house or yard in Fairfax County?
Roof-mounted solar may rise 5 ft above the district height limit. Ground mounts and solar canopies follow the accessory structure setbacks. Building and electrical permits are required, and an HOA can't ban panels unless its recorded declaration already did.

Sources

  1. Fairfax County Zoning Ordinance § 4102.7.P, solar collection system; § 4102.7.E, electric vehicle charging. Checked 2026-10-21
    A solar collection system mounted on the roof of a building... may extend up to five feet above the applicable maximum building height... Any accessory structure supporting a solar collection system, such as a canopy, must comply with height and setback req…
  2. Fairfax County Zoning Ordinance § 4102.7.A(5), (6), (17), rear setback coverage, freestanding accessory structures, swimming pools. Checked 2026-10-21
    All accessory structures and uses may cumulatively cover no more than 30 percent of the minimum rear setback on any lot located in a conventional residential district... [Coverage includes] children's play equipment, sports court, pool and associated deckin…

Disclaimer: This is general information, not legal or professional advice for any one property. Codes change. SetbackIQ is not a zoning determination, a permit, or a survey, and it does not replace an architect, engineer, or lawyer. Confirm with your building and zoning offices before you build, buy, or sign a contract.