Dark Sky Friendly Lighting

Planning to build or remodel in West Marin? Here’s a comprehensive list of dark sky-friendly lighting sources. Ask your local hardware store to order the one that works for you.

IDA’s Fixture Seal of Approval program certifies outdoor lighting fixtures as being Dark Sky Friendly. To learn more about good outdoor lighting, visit the IDA Lighting Basics


Two examples of IDA-certified fixtures with IDSA emblem at Friedman Brothers in Petaluma.

Note the IDA emblem on the label.
Ask for IDA-friendly lighting at your favorite hardware store.


Examples of Dark Sky-friendly lighting sensors.

Examples of inexpensive Dark Sky-friendly shields and shades for existing lights.

Examples of Dark Sky-friendly outdoor lighting fixtures.