Outdoor Lighting in Naperville, IL (2026)
2 verified outdoor lighting rules for Naperville, Illinois, sourced directly from the municipal code and official government pages.
Verified from official government sources
Dark Sky Rules
Naperville requires every commercial, parking-lot and building security fixture to carry glare controls and full shielding under Municipal Code section 6-14-4, subsection 3.2.3, and bans wallpack fixtures outright. Pole-mounted lights top out at 23 feet in residential districts, 25 feet in commercial and office/business park districts, and 32 feet in industrial districts, with pathway and trail lighting capped at 8 feet.
Naperville Outdoor Lighting Shielding Rules
Some RestrictionsNaperville Municipal Code § 6-14-4, Subsection 3.2.3
3.2.1.The style of the light and light standard shall be consistent with the architectural style of the principal building.3.2.2.Pathways, sidewalks, and trails shall be lighted with low level fixtures not to exceed eight (8) feet in pole height.3.2.3.All building lighting for security or aesthetics shall include glare controls and shall be shielded. Floodlighting is discouraged, and if used, s...
Light Trespass & Shielding
Naperville caps outdoor lighting spillover with hard foot-candle ceilings measured at the property line under Municipal Code section 6-14-4, subsection 3.3.3: 0.10 horizontal foot-candles between residential lots, 2.0 between nonresidential lots, and 0.10 where a nonresidential use borders a residential one. Floodlighting must also be shielded to prevent 'light trespass beyond the property line' under subsection 3.2.3, and lighting facing the adjoining right-of-way is held to 0.50 foot-candles.
Naperville Light Trespass Property Line Limits
Some RestrictionsNaperville Municipal Code § 6-14-4, Subsection 3.3.3
3.2.3.All building lighting for security or aesthetics shall include glare controls and shall be shielded. Floodlighting is discouraged, and if used, shall be shielded to prevent disability glare for drivers or pedestrians, light trespass beyond the property line, and light above a 90-degree horizontal plane. Wallpack type fixtures shall not be permitted... 3.3.3.Exterior lighting shall be desi...
Looking for DuPage County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Naperville city rules.
Outdoor Lighting in DuPage County →