Outdoor Lighting in Washington, DC (2026)
1 verified outdoor lighting rules for Washington, District of Columbia, sourced directly from the municipal code and official government pages.
Verified from official government sources
Light Trespass & Shielding
In DC's Production, Distribution, and Repair (PDR) zones, no direct or reflected glare or heat from any light source or equipment may be detectable in objectionable amounts beyond the boundary of the zone district where the use sits. The rule targets industrial and warehouse-type uses, not typical residential fixtures.
DC PDR Zone Glare and Light Rule
Some Restrictions11 DCMR Subtitle U § 804.6
804.6 No direct or reflected glare or heat from any source shall be detectable in objectionable amounts beyond the boundaries of the zone district in which the use is located.