Outdoor Lighting in Palmdale, CA

If you live in Palmdale or are thinking about moving there, outdoor lighting are one of those things you probably won't think about until they affect you directly. Palmdale has 3 specific rules on the books covering different aspects of outdoor lighting, and some of them might surprise you.

Light Trespass & Shielding

Palmdale caps light spilling onto neighboring parcels at one-quarter foot-candle at the property line under PMC § 17.86.030(D)(3). Every outdoor fixture must be directed, oriented, and shielded so it does not throw glare or trespass onto adjoining property or public rights-of-way.

Key details: Light trespass limit at property line: 0.25 foot-candle. Minimum illumination, doorways/entries: 0.25 foot-candle. Photometric plan grid: 10-ft grid, 20 ft beyond property line. Flood-lighting: Prohibited for security use. Building-mounted fixtures: Capped at parapet/roof/eave height.

A property that measures over 0.25 foot-candle at its boundary line is treated as a nuisance light source under the same 'prevent glare, light trespass, and light pollution' duty in (D)(2), requiring the fixture to be reshielded, redirected, or relocated. Because every project must submit a certified photometric plan on a 10-foot grid extending 20 feet past the property line before building permits are issued, a design that models over the trespass limit cannot receive approval until it is corrected.

Billboard Lighting

Every outdoor advertising structure in Palmdale must be built so its lighting and support frame are screened from public view, and it can carry no flashing, blinking, or animated lighting under PMC § 17.88.150(C)(5). Digital displays face an added limit: a photometric sensor must cap nighttime brightness at 150 nits under § 17.88.150(E)(4).

Key details: Screening: Frame, supports & lighting screened from view. Prohibited: No flashing, blinking, or animated lighting. DAD brightness cap: 150 nits max, sunset to sunrise. Sensor: Photometric sensor required on every DAD. Enforcement: City can restrict intensity further on complaint.

A billboard with exposed, unscreened support lighting, flashing or animated lighting effects, or a digital display running brighter than 150 nits after sunset breaches PMC § 17.88.150(C)(5)/(E)(4); the City can condition or revoke the conditional use permit, and can order a DAD's brightness reduced further on a documented driver-distraction or residential-impact complaint.

Dark Sky Rules

New development and exterior lighting retrofits in Palmdale must meet dark-sky standards under PMC § 17.86.030: fixture color temperature cannot exceed 3,000 Kelvins, mercury vapor and low-pressure sodium fixtures are banned outright, and every luminaire must be an IESNA cut-off or full cut-off type.

Key details: Max color temperature: 3,000 Kelvin. Height near residential zones: 15 ft. Height in industrial zones: 35 ft. Banned lamp types: Mercury vapor, low-pressure sodium. Photometric plan: Required, engineer-certified.

A fixture installed above 3,000 Kelvins, using a banned lamp type, or exceeding the zone's freestanding height cap fails the photometric plan review required before permit issuance, so noncompliant lighting cannot legally be approved or built. For lighting that becomes a nuisance after installation, PMC § 17.84.030 requires the property owner to shield or control the light source to prevent it from continuing to disturb adjacent property.

The Bottom Line

Palmdale's outdoor lighting rules are a mixed bag. Some areas are strict, others are relaxed, and the details matter. The best approach is to check the specific rule that applies to your situation rather than assuming Palmdale is broadly strict or permissive.

This guide is based on Palmdale's current municipal code. Local rules can and do change, so check the individual ordinance pages for the latest details, penalties, and FAQs.