Construction Businesses for Sale in King County, WA

Looking to buy a construction business in King County, Washington? DealStream’s curated marketplace showcases construction businesses for sale in Seattle, Bellevue, Redmond, Kent and beyond—ranging from general contractors and specialty trades to roofing, excavation and remodeling firms. Each listing includes verified financials, growth metrics and seller insights, making it easy for investors and industry professionals to evaluate turn-key opportunities. Start exploring top-performing King County construction companies for sale today and take the first step toward owning a profitable Washington construction business!

All Matching Deals

$2.1M Sales, Roofing Biz, $437k Cash Flow
Seattle, WA

*UNDER CONTRACT as of 9/29/25* This owner and business are currently in an exclusivity period with a prospective buyer. While the transaction between these two parties is expected to move forward, we will reach out to all interested buyers should the circumstances change. Roofing business in Seattle’s...

$1,250,000
Cash Flow: $500,000
Details
Landscape Design and Construction
King County, WA

Here is the perfect opportunity to own a profitable design and build landscaping business. Add this flourishing business to your own or take over and expand. This company provides innovative, sustainable residential landscapes in the Greater Seattle Area and around the Puget Sound that appeal to the...

$1,000,000
Cash Flow: $438,103
Details
Well-Established Specialty Construction Business
King County, WA

Well-established specialty construction company, well equipped with trained and certified employees. The Company and the employees have the necessary certifications and are thoroughly trained for the specialty services offered by the Company. The Company has completed projects for the following industries:...

$1,080,000
Cash Flow: $418,707
Details
King County, WA

This specialty contractor has developed and grown over 25+ years to be a leader in its marketplace, building lasting relationships with General Contractors and property developers. The organization and established company culture focuses on quality workmanship, on-time performance, excellent communication...

On Request
Cash Flow: $807,000
Details

Tips for Buying Construction Businesses In King County, WA

Do Thorough Due Diligence on Financials and Licensing

Before committing to purchase a construction business in King County, make sure to conduct detailed due diligence on all financial records and licensing. Review profit and loss statements, tax returns, and outstanding debts for at least the last three years. Verify the company's state and local licenses, ensuring they are in good standing, and check for any past legal or compliance issues. Purchasing a business with undisclosed financial or legal problems can significantly increase your risk, so leave no stone unturned during your investigation.

Analyze Client Base and Supplier Relationships

A construction business often thrives based on repeat clientele, reputation, and robust supplier relationships. Scrutinize the business's client contracts, retention rates, and project backlog. Ask to see evidence of satisfied customers and long-term supplier agreements, as these will help support cash flow after your acquisition. In competitive and growing markets like King County, reliable materials sourcing and a steady pipeline of projects are key assets that can set a business apart.

Understand the Local Market and Growth Potential

King County’s construction market is influenced by factors such as real estate trends, commercial development, and population growth. Research current market conditions, as well as upcoming infrastructure projects or regulations that could create opportunities—or pose challenges—for the business. Before buying, develop a clear understanding of how the business positions itself within the local industry and what realistic opportunities exist for growth, such as offering additional services or targeting new customer segments. This insight will help you plan a successful transition and long-term strategy.

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