Trade Launch Guides

How to Start a Concrete Company in Washington

Quick facts: Washington requirements

Agency
Washington State Department of Labor & Industries (L&I)
Registration
Specialty contractor registration
Required bond
$15,000 continuous surety bond
Minimum insurance
$250,000 combined single limit, or $200,000 public liability plus $50,000 property damage
Prerequisite
Unified Business Identifier (UBI) from the Department of Revenue (DOR), required first

Fees, bond amounts, and rules change. Verify every item with the responsible agency before you rely on it.

Short answer: To start a concrete company in Washington, get a UBI number from the Department of Revenue, then register with L&I as a specialty contractor with a $15,000 continuous surety bond and liability insurance of at least $250,000 combined single limit. No separate state trade exam is required for concrete.

Updated October 12, 2026. Requirements and fees change; confirm with the agency named on this page.

Concrete work stays in demand across Washington regardless of what the broader economy is doing. Driveways crack, foundations need repair, patios and walkways get replaced, and new construction keeps needing flatwork and footings poured correctly the first time. If you know the trade, there is real, steady work waiting, and concrete companies often command solid rates because the work requires both skill and reliable equipment access.

What actually stalls most people is not the pours, it is getting the business legal. Washington requires a specific sequence: naming and structuring your company, getting your state business ID, registering as a contractor with the correct bond, and carrying the right insurance. Get the order wrong and you can lose weeks, or find yourself unable to bid a job you were ready to take, which is exactly why so many experienced concrete workers stay on someone else's crew instead of running their own company.

Ready to stop guessing at the order? Build your free Contractor Lane roadmap and get the concrete-specific launch path mapped out, plus startup roadmap tools.

The concrete opportunity in Washington

Concrete demand in Washington comes from several directions at once: residential driveways and patios, foundation repair on an aging housing stock, and new construction across the state's growing metro areas that all needs flatwork, footings, and foundations poured to code. Concrete work also tends to be less price-sensitive than some cosmetic trades, because homeowners understand structural and driveway work is not optional and rarely shop purely on price the way they might for a paint job. The tradeoff is that concrete work often involves larger jobs and bigger equipment investment, which makes getting your business fundamentals, bonding, and insurance right from the start even more important.

Your launch roadmap, in order

  1. Step 1: Pick a name and a business structure

    Decide whether a sole proprietorship, LLC, or another structure fits your situation, and confirm your company name is available in Washington. This choice affects your taxes and how exposed your personal assets are if a pour fails or a job leads to a dispute over cracking, settling, or drainage issues.

  2. Step 2: Get your UBI number and state business license

    Washington issues your 9-digit Unified Business Identifier when you complete your state business license application through the Business Licensing Service. Every step after this, including your contractor registration, depends on having this number first.

  3. Step 3: Register as a contractor with L&I

    Concrete work in Washington requires registration with the Department of Labor & Industries before you can legally advertise or bid a job. Concrete registers as a specialty contractor category, which means a $15,000 continuous surety bond rather than the larger bond required of general contractors working across multiple trades. Registration requires a notarized application and a fee, filed only after your UBI is in hand.

  4. Step 4: Carry the right general liability insurance

    Washington requires a minimum of $200,000 public liability and $50,000 property damage, or a $250,000 combined single limit, before you can register as a contractor. Concrete work carries its own exposure, damage to adjacent property, equipment on-site, and disputes over structural failures, so make sure your coverage actually fits the scale of the jobs you plan to take.

  5. Step 5: Confirm there is no separate trade exam required

    Concrete is one of the specialty trades where contractor registration with L&I is the main state requirement, with no separate state trade exam standing between you and legal operation. That does not mean the steps above are optional. Larger structural pours may also involve permitting and inspection requirements at the city or county level depending on the scope of the project, which is worth understanding before you bid.

  6. Step 6: Get found by your first customers

    A free Google Business Profile, a Bing Places listing, and one simple web page with your service area, phone number, and photos of finished driveways or patios will bring in more calls than an expensive website for a new concrete company. Keep your name, address, and phone number consistent across every listing.

First-customer tips for a new concrete company

Driveway replacement and small patio jobs tend to be the easiest entry point for a new concrete company, since they are common, visible, and easy for a homeowner to budget for compared to a full foundation project. Clear communication about cure time and care instructions after a pour builds trust and heads off complaints before they start. Building a relationship with a few local general contractors or remodelers can be one of the fastest ways to get a steady flow of subcontract work while your own homeowner-facing reputation and reviews are still building.

Why most concrete owners stall before job one

Every step above is manageable alone, but the order is where skilled concrete workers get stuck. Someone buys a bond before their UBI exists and wastes a step. Someone assumes a smaller insurance policy covers the scale of concrete work they actually plan to do and finds out otherwise after a claim. Someone gets everything registered and then realizes they have no online presence for homeowners comparing bids to find. Any one of these gaps keeps a capable concrete pro working for someone else's company instead of their own.

This is exactly where Contractor Lane closes the gap. We give you the concrete-specific order, flag the traps before you hit them, and give you a free first-pass roadmap so you can start in the right order.

Where Contractor Lane comes in

Contractor Lane is built to be the front door for people starting a concrete company in Washington, the step you take before you ever need an accounting app or get pulled into a lead-selling platform. We give you the exact concrete launch path: business structure, UBI and business license, the correct specialty bond and insurance, confirmation of what concrete work does and does not require beyond registration, and the online presence that gets a new concrete company its first calls. You get the order, the traps flagged in advance, and a free first-pass roadmap to start in the right order. When you want more hands-on help, the paid Startup Roadmap walks you through the deeper setup.

Stop trying to piece this together from scattered search results. Build your free Contractor Lane roadmap and get the complete Washington concrete-company launch roadmap, in the right order, with the free roadmap builder included. When you are ready for guided help, the paid Startup Roadmap gives you the deeper guided setup.

Build your free Contractor Lane roadmap today and take the first real step toward your own concrete company.

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Common questions

Do I need a trade license or exam to do concrete work in Washington?

No separate state trade exam is required. For concrete, L&I contractor registration is the main state requirement. Larger structural pours may also involve permitting and inspection at the city or county level depending on the scope of the project, so check that before you bid.

How much liability insurance does a concrete contractor need in Washington?

The minimum is $200,000 public liability plus $50,000 property damage, or a $250,000 combined single limit, required before you can register. Concrete work carries its own exposure, such as damage to adjacent property and structural disputes, so make sure your coverage fits the jobs you plan to take.

Should I buy my concrete contractor bond before I get a UBI number?

No. Buying a bond before your UBI exists wastes a step. The 9-digit UBI is issued when you file your state business license through the Business Licensing Service, and you file your L&I registration only after you have it. Concrete uses the specialty bond, not the general contractor bond.


General educational information for people starting a business in Washington. Requirements and fees change. Contractor Lane is not a law firm or tax advisor.

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About Contractor Lane

Contractor Lane is built and maintained by working home-service operators. The guidance here comes from actually running registered contracting operations in this state: L&I registration and renewals, bonds and certificates of insurance, DOR business licensing and excise filings, city endorsements, and the day-to-day of dispatching work and getting paid. We publish the order of operations we wish someone had handed us.

General educational information for people starting a business in Washington. Requirements and fees change. Contractor Lane is not a law firm, CPA, insurance agency, or licensing agency. Verify each item with the responsible agency.

Official sources

Every requirement on this page comes from the agency or statute below. Fees and rules change; confirm with the source before you rely on a figure.