Siding contractors work at height on every exterior surface of a building, facing fall risks and long-tail moisture intrusion claims. Get coverage built for Washington siding pros from A-rated carriers in 90 seconds.
Siding work stacks two serious risks: you're at height all day, and you're building the wall that keeps Washington's rain out. Get either wrong and the claims are big.
Start with the rain. Puget Sound gets 35 to 60 inches a year. Your siding, flashing, and house wrap are the shell that holds it back. One missed overlap or a badly flashed window lets water in behind the siding — where it rots framing, soaks insulation, and grows mold for years before anyone notices. Fixing it can mean stripping the whole exterior. Moisture lawsuits against siding contractors routinely run $50,000 to $200,000, and Washington's defect statute gives homeowners six years to bring them.
Height is the everyday danger. Siding crews climb all day — ladders on uneven ground, scaffolding in wind, surfaces wet half the year. A roofer works one plane. You reposition constantly, and every repositioning is a fresh chance to fall. WISHA fall-protection rules apply, and violations add fines to injuries.
Wind is the third act. If a panel you fastened rips off in a storm and hits a car — or a person — that's your completed operations coverage on the line. Coastal and foothill towns see real wind, and improperly nailed siding is a recurring claim source there.
And the routine stuff never stops: a nail through a window, a ladder through a gutter, scaffolding in the flowerbed. Small claims that quietly shape your premium.
Washington requires siding contractors to register with L&I, post a $15,000 specialty bond, and carry general liability. Disturb siding on a pre-1978 building and you need EPA lead certification too.
Fiber cement and wood cost more to insure than vinyl — the work demands more precision and mistakes cost more. We place siding crews with carriers that understand envelope risk and write completed operations built for a six-year, rain-country tail. That's the coverage that matters here.
Most siding contractors need the following types of coverage to protect their business.
Protects against third-party claims for bodily injury, property damage, and advertising injury.
Learn MoreProtects your tools, equipment, and materials on the job site and in transit.
Learn MoreWhat siding contractors need to know about insurance requirements in Washington State.
Siding contractor insurance in Washington falls in the moderate range among exterior trades. General liability for a siding business with under $500K in annual revenue typically costs $69-$130/month, while larger operations pay $130-$180/month or more. Completed operations coverage is critical and typically included in your GL policy, but make sure it carries adequate limits given Washington's moisture-heavy climate and the long tail of water intrusion claims. Claims history is a major rate driver: a single moisture intrusion claim can raise your premiums for three to five years. Commercial auto runs $100-$260/month for transporting siding panels, ladders, scaffolding, and tools. Inland marine adds $20-$55/month for tool and equipment protection. The materials you install directly impact your rate — fiber cement and wood siding carry higher rates than vinyl because of the precision required and greater consequences of installation errors. Siding contractors operating in coastal or high-wind regions of Washington should also expect slightly elevated rates reflecting the increased wind damage claim frequency in those areas.
See Your RateMoisture intrusion is siding's career-ending claim. We build completed operations coverage for Washington's six-year defect window.
Our quoting system knows siding class codes — vinyl, fiber cement, wood. Get a real estimate instantly.
GCs need your COI before the scaffolding goes up. We deliver certificates the same day coverage is bound.
Ladder and scaffold work all day, every day. We make sure your policy matches your real working heights — no surprise exclusions.
Siding Contractors trust SmartInsured for General Liability and Commercial Auto coverage from A-rated carriers. Get your free quote — no obligations, no credit card required.