Ott-Sakai & Associates LLC

Mountlake Terrace, WA

UEI
RPTLJ6HFK9N1
CAGE
7QJF5
Primary NAICS
541330 Engineering Services
SAM.gov registration
Active through

Company facts

Self-certified in SAM.gov
  • Minority Owned Business
  • Self Certified Small Disadvantaged Business
  • For Profit Organization
  • Native Hawaiian Organization Owned Firm
  • Asian-Pacific American Owned
  • DOT Certified DBE
  • Limited Liability Company
Entity structure
Partnership or Limited Liability Partnership
SAM.gov registration date
Physical address
23906 59th Pl W, Mountlake Terrace, WA 98043, USA

Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .

Contract subawards

Prime contractor Prime award Amount Awarded
Tetra Tech, Inc. LAGRANGE DAM - 1200' LOCK 35-100% DESIGN - MOD 3 FOR CSRA, EXTEND SCHEDULE AND 5 DESIGN PACKAGES This amendment is to add funds to perform biddability review… W912EK23F0089 $46,225
Tetra Tech, Inc. LAGRANGE DAM - 1200' LOCK 35-100% DESIGN - MOD 3 FOR CSRA, EXTEND SCHEDULE AND 5 DESIGN PACKAGES Ott-Sakai is primarily responsible for providing expert input… W912EK23F0089 $88,362
Tetra Tech, Inc. MODIFICATION P00001 FOR ALTERNATIVE 3 DESIGN. Ott Sakai to provide construction methods, durations, and evaluations in support of Scope Item 3.2. W912P524F0007 $69,106
Tetra Tech, Inc. KY LOCK APPROACH WALL DESIGN TASK ORDER Ott-Sakai to provide construction methods, durations, and evaluations in support of Scope Item 3.2, Construction… W912P524F0007 $69,106
Stanley Consultants, Inc. LAGRANGE NEW 1200' LOCK - P00008 - ADDITIONAL BUILDING DESIGN Construction scheduling services in support of: Services to Prepare Design Documents for… W912EK22F0088 $98,534

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About the company

Written by GovTribe AI ·

Ott-Sakai & Associates LLC is a partnership or limited liability partnership registered in SAM.gov as a minority-owned, self-certified small disadvantaged business, and a Native Hawaiian Organization Owned and Asian-Pacific American Owned firm. It is also certified as a Disadvantaged Business Enterprise by the Department of Transportation. Based on the limited award information provided, it appears Ott-Sakai specializes in engineering and construction-related services for infrastructure projects.

Through federal sub-contract awards, Ott-Sakai has provided construction methods evaluations, durations, and procedures analysis in support of a lock construction project for the prime contractor Tetra Tech, Inc. They have also delivered design and engineering services for electrical distribution system upgrades at a lock facility, again as a sub-contractor to Tetra Tech. Their scope included site visits, design reviews, value engineering, phasing analysis, construction sequencing, scheduling, calculations, and design documentation. Additionally, Ott-Sakai was awarded a sub-contract from Stanley Consultants Inc. for construction scheduling services related to the design of the Lagrange Lock and Dam facility in Illinois. The work encompassed site investigations and initial lock design. While the awarding agencies are not explicitly stated, the types of projects suggest involvement from the U.S. Army Corps of Engineers for waterway infrastructure improvements.

Quick answers

Is Ott-Sakai & Associates LLC registered in SAM.gov?

Yes. Ott-Sakai & Associates LLC's SAM.gov registration is active through November 8, 2026.

On GovTribe

See Ott-Sakai & Associates LLC's full federal record

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