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General Contracting Contractors in Seattle, Washington

Licensed Establishments

2,894

U.S. Census Bureau

Peak Season

April through September - dry weather window for exterior work and additions

Estimate

Avg. Response Time

3-7 days for initial quotes, longer during peak season

Estimate

Common Job Costs

ServiceCost Range
Kitchen remodel$25,000 – $75,000
Bathroom remodel$15,000 – $45,000
Room addition$35,000 – $120,000
Deck construction$8,000 – $25,000
Whole house renovation$150,000 – $500,000

Licensing Requirements

Licensing Requirements

Washington State Contractor License required. Must pass Business and Law exam plus trade-specific exam. $90 application fee, $60 exam fee per test. Requires 4 years experience or equivalent education. Bond amount varies by registration level ($6000-$60000). License renewed every 2 years with continuing education requirements.

Permit Requirements

Building permits required for structural work through Seattle Department of Construction and Inspections (SDCI). Electrical, plumbing, and mechanical permits for respective trades. Commercial work requires additional Seattle Business License. Permit fees range $200-$5000+ depending on project scope.

Inspection Schedule

Foundation inspection before concrete pour, framing inspection before covering, electrical/plumbing rough-in before drywall, insulation inspection, final inspection. Additional inspections for seismic upgrades common in Seattle market.

Insurance Minimums

General liability minimum $200000 combined single limit, some projects require $1M+. Workers compensation required for employees. Professional liability recommended. Public works projects require prevailing wage compliance and performance bonds.

How to Get Licensed

  1. 1

    Meet experience requirements

    Document 4 years experience in construction or complete approved education program. Military experience may qualify with proper documentation.

  2. 2

    Complete application

    Submit contractor registration application to Washington State Department of Labor & Industries with $90 fee and required documentation including experience verification.

  3. 3

    Obtain surety bond

    Purchase surety bond from approved provider. Bond amount varies by registration level from $6000 for specialty to $60000 for general contractor.

  4. 4

    Pass required examinations

    Take and pass Business and Law exam ($60) plus trade-specific exam ($60). Exams administered by PSI Services. 70% passing score required.

  5. 5

    Provide insurance documentation

    Submit proof of general liability insurance meeting minimum requirements and workers compensation if employing others.

  6. 6

    Receive license and maintain compliance

    Once approved, receive contractor registration number. Maintain continuing education requirements and renew every 2 years with updated bond and insurance.

About This Market

Seattle's general contracting market runs hot with tech money driving high-end residential remodels and seismic retrofits mandated by city ordinances. Competition is fierce among the roughly 2894 licensed contractors statewide, with Seattle capturing a large share. Costs run 15-25% above national averages due to labor shortages, permit complexities, and environmental regulations. Multifamily and commercial construction dominates downtown while residential remodeling and ADU construction drives neighborhood work.

To work this market, you need deep pockets for bonding and insurance, plus patience for Seattle's permit process that can add months to timelines. The state licensing exam is no joke - study the business law portion hard. Peak season books up fast, so winter is relationship-building time. Know the seismic retrofit requirements cold, especially for unreinforced masonry. ADU regulations change frequently, so stay current with SDCI updates. Quality subcontractor relationships are everything here - the good ones are booked solid.

Data Sources:

Licensed establishments count: US Census BureauLicensing requirements and fees: Washington State Department of Labor & IndustriesPermit processes and timelines: Seattle Department of Construction and InspectionsInsurance requirements: Washington State Department of Labor & IndustriesCost ranges and market conditions: Estimates based on local market analysis

Frequently Asked Questions

How much does a general contractor license cost in Washington?▾
Initial licensing costs $150 in fees ($90 application + $60 exam), plus bond costs ranging $6000-$60000 depending on registration level. Continuing education and biennial renewal add ongoing costs.
What insurance do general contractors need in Seattle?▾
Minimum $200000 general liability, though most projects require $1M+. Workers compensation mandatory for employees. Add professional liability for design-build work per Washington State Department of Labor & Industries.
How long do Seattle building permits take?▾
Simple permits take 2-4 weeks, complex residential 6-12 weeks, commercial up to 6 months according to Seattle Department of Construction and Inspections. Early design guidance meetings can reduce review time.
What's the peak season for general contractors in Seattle?▾
April through September when weather allows exterior work. Interior projects continue year-round but new starts slow November through February due to holiday schedules and budget cycles.
Do I need prevailing wage for Seattle construction projects?▾
Yes, for public works projects over $1000 per Washington State Department of Labor & Industries. Private projects don't require prevailing wage unless using public funding or incentives.

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