Outdoor Lighting Installation Cost in Seattle

How Much Does Outdoor Lighting Installation Cost?

Outdoor lighting improves security, curb appeal, and safety around your home. Here is what homeowners in Seattle, Renton, Newcastle, and Bellevue pay for professional outdoor lighting installation.

Outdoor Lighting Pricing

• Replace existing outdoor fixture: $100–$200. Straightforward swap on existing wiring. Usually done in 30 to 45 minutes.
• Motion sensor flood light: $150–$300 installed. Includes fixture, wiring to existing circuit, and sensor setup.
• New outdoor fixture (new wiring run): $250–$500. Requires running wire from the panel or tapping a nearby circuit.
• Porch or entry light with smart switch: $200–$350. Fixture plus indoor smart switch for scheduling and remote control.
• Low voltage landscape lighting (per zone): $500–$1,200. Includes transformer, wiring, and 6 to 10 fixtures.

Security Lighting

Security lighting is one of the most effective deterrents against break-ins. We install LED flood lights, dusk to dawn fixtures, and motion activated lights around garages, driveways, back yards, and entry points. Most security light installations are completed in a single visit.

Landscape Lighting

Low voltage landscape lighting runs on a transformer that steps 120V down to 12V, making it safe for outdoor use. Path lights, uplights for trees, and accent lighting for landscaping features all fall into this category. The transformer connects to a standard outdoor outlet and powers the entire zone.

What Affects the Price?

• Number of fixtures: More fixtures in a single visit means a lower per-fixture cost.
• Wire run distance: Longer runs from the panel or junction box add materials and labor.
• Height and access: Second story or roofline mounted fixtures require ladder work.
• GFCI requirement: All outdoor circuits must be GFCI protected per code.

Had two motion sensor flood lights installed on the back of our house and a new porch light in front. The electrician finished everything in about two hours. Our yard feels so much safer now.

Kennydale homeowner, April 2026

Get an Outdoor Lighting Quote

Call 425-210-4791 or request a free estimate online. We serve Renton, Newcastle, Bellevue, and all of King County.