Recent Construction Acquisitions in Washington
Acquisition Volume in Construction in Washington by Year
Last 5 years
Construction acquisitions in Washington (U.S.) show a mix of platform builds, add-on expansions, and specialty capability upgrades across the Pacific Northwest. Across 2020–2025 deals, buyers range from strategic operators (for example, Groundworks and ORR Protection Systems, Inc.) to investment firms placing capital behind growth or new service platforms.
Several transactions focus on expanding “full-scope” trades within building services—such as electrical contracting capabilities, integrated fire protection offerings, and foundation/water management solutions. Others extend geographic reach into or deeper within Washington, while partners and teams often remain in place to preserve local execution.
Where investment activity appears, it is commonly framed as supporting organic growth and inorganic expansion, including platform launches in home renovation (e.g., O2 Investment Partners with Harley Exteriors) or scaling consultancy footprints (e.g., New Mountain Capital with Cumming Group).
What Stands Out
- Groundworks is a recurring buyer, using acquisitions to expand foundation and water management services into new Washington and Seattle-area markets.
- ORR Protection Systems, Inc. adds union sprinkler capabilities through the acquisition of Compass Fire Protection, LLC, strengthening an integrated fire protection stack (alarm through monitoring).
- Electrical contracting deals emphasize expanding regional footprints and end-market capabilities, including MKD Electric, LLC (via Hastings Equity Partners) acquiring Sea-Tac Electric.
- Deal activity spans both vertical integration (e.g., glazing supply-and-install via Exchange Income Corporation and Quest Window Systems) and specialty construction segments (marine, dewatering, marine floats, and dewatering services).
- Several transactions retain local brands and teams post-close, including add-on-style deals and recapitalizations with management involvement.
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August 21, 2025
- Buyer
- ORR Protection Systems, Inc.
- Target
- Compass Fire Protection, LLC
- Industry
- Construction
- Location
- Washington, United States
- Type
- Buyout
ORR Protection Systems, Inc. has acquired the business assets of Compass Fire Protection, LLC to add union sprinkler capabilities and strengthen ORR's presence in the Pacific Northwest. The deal expands ORR's integrated fire protection offering—alarm, detection, suppression, sprinkler, and monitoring—and aims to provide turnkey, code-compliant solutions for customers across the region.
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- Buyer
- MKD Electric, LLC, Hastings Equity Partners
- Target
- Sea-Tac Electric
- Industry
- Construction
- Location
- Washington, United States
- Type
- Addon
MKD Electric, a Hastings Equity Partners portfolio company, has acquired Sea-Tac Electric, a Seattle-based full-service electrical contractor. The add-on expands MKD's physical footprint into the Pacific Northwest and strengthens its capabilities in grocery, manufacturing, retail and healthcare electrical construction.
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August 28, 2024
- Buyer
- Groundworks
- Target
- Rainy Day Basement Systems
- Seller
- Dan Malsch (owner of Rainy Day Basement Systems)
- Industry
- Construction
- Location
- Washington, United States
- Type
- Addon
Groundworks, a Virginia Beach-based foundation and water management platform, has acquired Arlington, Washington-based Rainy Day Basement Systems. The acquisition expands Groundworks' Seattle-area footprint and brings Rainy Day's basement waterproofing and crawl space repair team into the Groundworks network while retaining the local team and offering employees ownership opportunities.
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August 1, 2024
- Buyer
- O2 Investment Partners
- Target
- Harley Exteriors
- Seller
- Christian Daher
- Industry
- Construction
- Location
- Washington, United States
- Type
- Growth capital
O2 Investment Partners has partnered with Harley Exteriors, a Bothell, Washington-based residential renovation company specializing in replacement windows, doors, and gutters. The investment (terms not disclosed) will support Harley’s organic and inorganic growth as O2 launches Harley as a new platform in the home renovation services market.
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- Buyer
- Groundworks
- Target
- Matvey Foundation Repair, Inc.
- Seller
- Matthew Cote (owner of Matvey Foundation Repair)
- Industry
- Construction
- Location
- Washington, United States
- Type
- Addon
Groundworks, a national foundation and water management solutions company, has acquired Seattle-based Matvey Foundation Repair, Inc., marking Groundworks’ first location in Washington and expanding its West Coast footprint. The acquisition brings Matvey’s foundation repair, waterproofing and concrete services into Groundworks’ national platform and offers Matvey employees access to broader resources and ownership opportunities.
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October 12, 2023
- Buyer
- Branford Castle Partners II, L.P.
- Target
- Marine Floats
- Industry
- Construction
- Location
- Washington, United States
- Type
- Buyout
Branford Castle Partners II, an affiliate of Branford Castle Partners, has made a strategic investment in Marine Floats, a Tacoma, Washington-based specialty marine contractor that designs, fabricates and installs marinas, floating docks and waterfront structures while providing environmental and permitting advisory services. Branford will partner with founder and President Logan Brown to support growth and expand the company’s offerings and reach across the Pacific Northwest; terms were not disclosed.
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December 1, 2021
- Buyer
- New Mountain Capital
- Target
- Cumming Group
- Seller
- Tailwind Capital
- Industry
- Construction
- Location
- Washington, United States
- Type
- Buyout
New Mountain Capital has partnered with Seattle-based Cumming Group in a growth-oriented transaction in which Tailwind Capital sold its stake while retaining an equity interest alongside New Mountain. Terms were not disclosed; Cumming is an international project and cost management consultancy with 1,100+ employees across 41 offices and will use New Mountain's capital to pursue organic growth and acquisitions.
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July 30, 2021
- Buyer
- WestView Capital Partners
- Target
- Prime Electric
- Industry
- Construction
- Location
- Washington, United States
- Type
- Recapitalization
WestView Capital Partners provided growth financing to support a management-led recapitalization of Prime Electric, a Bellevue, Washington-based electrical services and construction company. The investment will support Prime's growth and expansion of service offerings while preserving existing management ownership and operations.
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- Buyer
- Griffin Dewatering, Crossplane Capital
- Target
- Slead Construction/Dewatering
- Seller
- Slead Construction/Dewatering
- Industry
- Construction
- Location
- Washington, United States
- Type
- Addon
Griffin Dewatering, a portfolio company of Crossplane Capital, acquired a portion of Slead Construction/Dewatering of Tacoma, Washington to expand its groundwater control and water treatment services in the Pacific Northwest. The deal adds local dewatering capabilities to Griffin’s national platform, which operates ten full-service locations supplying groundwater control services and pumping equipment to the construction industry.
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October 28, 2020
- Buyer
- Installed Building Products, Inc.
- Target
- Norkote, Inc.
- Industry
- Construction
- Location
- Washington, United States
- Type
- Buyout
Installed Building Products, Inc. (IBP) has acquired Norkote, Inc., a specialty coatings and insulation installer headquartered in Everett, Washington. The acquisition (terms undisclosed) adds approximately $10 million of annual revenue and expands IBP's commercial presence in Washington and Oregon.
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- Buyer
- Exchange Income Corporation, Quest Window Systems Inc.
- Target
- Window Installation Specialists, Inc.
- Seller
- Louis Mark (owner and CEO)
- Industry
- Construction
- Location
- Washington, United States
- Type
- Buyout
Exchange Income Corporation (EIC) completed the acquisition of all issued and outstanding shares of Window Installation Specialists, Inc. (WIS) for US$45.0 million. The deal integrates WIS into EIC’s Quest Window Systems platform to vertically expand supply-and-install glazing capabilities on the U.S. West Coast; WIS founder and CEO Louis Mark committed to remain in his role.
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February 4, 2020
- Buyer
- Skyline Construction Enterprises, Inc.
- Target
- Unimark Construction Group LLC, Servicemark LLC
- Industry
- Construction
- Location
- Washington, United States
- Type
- Addon
Skyline Construction Enterprises, Inc. has acquired Seattle-based Unimark Construction Group LLC and its sister company Servicemark LLC as an add-on to its family of commercial real estate and construction companies. The deal expands Skyline’s geographic footprint and capabilities in Seattle while providing succession planning and organizational support for the acquired teams; Unimark and Servicemark will continue operating under their existing brands and teams.
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Frequently Asked Questions
Which buyers appear most often in Washington construction acquisitions?
Recurring names include Groundworks, ORR Protection Systems, Inc., Skyline Construction Enterprises, Inc., WestView Capital Partners, Exchange Income Corporation, and New Mountain Capital.
What kinds of construction capabilities are most commonly targeted?
Common themes include foundation & water management (e.g., waterproofing and crawl space repair), electrical contracting services, fire protection (including sprinkler-related capabilities), glazing supply-and-install, and specialty marine or dewatering services.
Are these Washington deals typically expansion into the state or add-ons within the region?
Both patterns show up. Some deals explicitly expand into Washington or the Pacific Northwest, while others are add-ons intended to strengthen existing regional operations and service lines.
Do buyers tend to keep acquired teams or brands after closing?
In multiple transactions, the acquired teams and/or local brands are expected to continue operating (for example, add-on deals and recapitalizations that preserve management involvement).