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Masonry Contractor Insurance in Washington State

Masonry contractors handle heavy materials, work at height on scaffolding, and build structural elements where failure means catastrophic liability. Get coverage from A-rated carriers in 90 seconds.

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Why Masonry Contractors Need Insurance in Washington

Masonry contracting is among the most physically demanding and liability-intensive trades in Washington's construction industry. Masons work with materials weighing 30 to 80 pounds per unit, build load-bearing and retaining walls that must resist thousands of pounds of lateral pressure, and perform much of this work on scaffolding several stories above grade. The combination of heavy materials, structural responsibility, and elevated work creates a risk profile that insurers take very seriously.

Structural wall failure is the most consequential liability risk. A brick veneer wall that separates from the structure, a retaining wall that buckles under soil pressure, or a chimney that collapses during a seismic event — each can cause catastrophic property damage and severe injury. Washington sits in a seismically active zone, and masonry must meet the state's seismic design requirements. If an installation fails during an earthquake because it wasn't properly reinforced or grouted per code, the liability exposure is enormous. Washington's six-year construction defect statute ensures these claims can emerge long after the mortar has cured.

A single concrete masonry unit (CMU) block weighs 28-35 pounds, and masons handle hundreds in a day. Back injuries, hernias, shoulder tears, and chronic joint damage are occupational certainties, and the resulting claims drive classification rates to among the highest in construction.

Silica dust exposure is a growing regulatory and liability concern. Cutting, grinding, and drilling concrete, brick, and stone generates crystalline silica dust, regulated under OSHA's stringent standard (29 CFR 1926.1153). Washington's L&I DOSH division enforces compliance aggressively.Scaffold collapse and retaining wall failures round out the hazard picture. Masonry scaffolding must support workers plus heavy pallets of block and mortar — overloading or improper assembly causes catastrophic failures. Washington's terrain of steep hillsides and saturated soils creates conditions where retaining walls bear enormous hydrostatic pressure, and failures in the Puget Sound area regularly generate six-figure claims.

Recommended Coverage for Masonry Contractors

Most masonry contractors in Washington need the following types of coverage to protect their business.

General Liability

Protects against third-party claims for bodily injury, property damage, and advertising injury.

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Commercial Auto

Covers vehicles used for business purposes.

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Tools & Equipment

Protects your tools, equipment, and materials on the job site and in transit.

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Washington State Requirements

What masonry contractors need to know about insurance requirements in Washington State.

Must register with L&I as a specialty contractor with a $15,000 surety bond
General liability insurance is required before L&I will issue contractor registration
Must comply with OSHA crystalline silica standard (29 CFR 1926.1153) for cutting and grinding masonry materials
Masonry must meet Washington State Building Code seismic design requirements
Washington's construction defect statute (RCW 64.50) creates up to 6 years of structural liability exposure

How Much Does Masonry Contractor Insurance Cost in Washington?

General Liability$79 – $210/month
Commercial Auto$110 – $280/month
Inland Marine (Tools/Equipment)$25 – $70/month
Your actual premium depends on revenue, employees, claims history, and coverage limits.

Masonry contractor insurance in Washington is priced at the higher end of construction trades due to the heavy physical demands and structural liability exposure. General liability for a masonry business with under $500K in annual revenue typically costs $79-$150/month, while larger operations running $1M+ pay $150-$210/month or more.Back injuries, silica exposure claims, and scaffold-related incidents drive these elevated rates. Claims history has an outsized impact on pricing: a single retaining wall failure or scaffold collapse can increase your rates by 40-60% for three to five years. Commercial auto runs $110-$280/month for transporting heavy materials, mortar mixers, and scaffolding components. Inland marine coverage adds $25-$70/month to protect saws, mixers, and specialized masonry tools. Contractors who build retaining walls pay more than those focused on veneer or decorative work due to the higher completed operations exposure. Most GCs require $1M/$2M GL minimums, and commercial projects involving structural masonry often require $5M umbrella coverage, adding $75-$175/month.

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Why Washington Masonry Contractors Choose SmartInsured

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Frequently Asked Questions About Masonry Contractor Insurance

What insurance do masonry contractors need in Washington?
Washington masonry contractors need general liability insurance with strong completed operations coverage and commercial auto for hauling materials and equipment. Most GCs require at least $1M/$2M GL limits. Structural masonry and retaining wall work often requires $5M umbrella coverage for commercial projects.
How much does masonry contractor insurance cost in WA?
Masonry contractor insurance in Washington typically costs $79 to $279 per month for general liability. A complete package with GL commercial auto, and tools coverage usually runs $415-$1,110/month depending on crew size, work types, and annual revenue. Structural and retaining wall work pushes costs toward the higher end.
Does masonry insurance cover retaining wall failures?
Yes, completed operations coverage within your general liability policy covers claims arising from retaining wall failures after the project is complete. Given Washington's wet soils and steep terrain, retaining wall claims are among the most expensive in masonry contracting. Adequate limits and proper documentation of engineering specs and drainage installation are essential.
How does OSHA's silica rule affect masonry insurance?
OSHA's silica standard requires masonry contractors to assess exposure levels, implement engineering controls like wet cutting, provide respiratory protection, and conduct medical surveillance for exposed workers. Compliance reduces injury claims and can lower your insurance rates. Non-compliance results in citations and increases your risk profile with carriers.
Do masonry contractors need a surety bond in Washington?
Yes. Washington classifies masonry contractors as specialty contractors requiring a $15,000 surety bond and L&I registration. The bond protects consumers against contractor abandonment, fraud, or failure to complete work as agreed. Bond premiums run 1-3% of the face amount annually, typically $150-$450/year for a clean record.

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