Our Commitment

NNAC is committed to providing reliable insight to every job, ensuring that all completed projects will have a positive impact, improving on the functions, environment, and image of our customer’s facilities. We will be your trusted partner by bringing our experienced project understanding to meet your construction needs.

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Services & Qualifications

NNAC performs with top level project management and customer service while keeping a “safety first” approach.

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What's New

Naval Station Everett Building 2202 – 2nd Floor Addition

Location:  Everett, WACompletion Date: 01/01/2020 Customer: NAVFACContract Amount:  $3,714,869 Naval Station Everett Building 2202 2nd Floor Addition project is wrapping up 3-months ahead of schedule and earned NNAC the highest CPARS rating of exceptional across the board for Quality, Schedule, Safety & Management!This was  $3.7M complex Design-Build project to add a 2nd floor for administrative space for PSNS

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Urban Air Trampoline Park

Location:  Killeen, TexasCompletion Date: August 2018Customer: Private SectorContract Amount:  $2,417,995Project: Urban Air Trampoline & Adventure Park We had the pleasure of building from the ground up, one of the nation’s premier Indoor Trampoline & Adventure Parks, Urban Air. Its an award-winning wall-to-wall trampoline arenas, performance trampolines, dodgeball courts, drop zone, slam dunk tracks, trampoline runway, and an area for

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Glover Middle School

Location: Spokane, WACompletion Date: 2/21/2020Customer: Spokane Public SchoolsContract Amount: $282,663Architecture: NAC Architecture Description of work; Site clearing; rough grading; topsoil and excess soil export; related erosion, sedimentation, and dust control; installation of underground natural gas service.

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What People Say

The variety of construction services provided by Mrs. Lettau’s company has been exemplary, consistently on time, and within budget, always going beyond our expectations. I commend their dedication and commitment to providing quality construction services to the US Army at Fort Hood.”

Mario Gonzalez | Contracting Officer, U.S. Army

NNAC’s performance met and exceeded contractual requirements. Work was performed quickly and correctly, allowing for Government to bring new transformer online 6 weeks earlier than estimated. NNAC is one of our “go to” contractor’s and I highly recommend them to any government agency.

Alex Wingert | Contracting Officer, NAVFAC NW

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