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Our Mission: 


To provide our customers with quality structures & service that meet or EXCEED their expectations.









Member of:


Tri-City Construction Council


Home Builders Association


Tri-City Development Council


Tri-City Regional

Chamber of Commerce


Siefken & Sons Construction is a General Contractor, located in Richland, Washington, with over 30 years experience in commercial construction.  Our work experience extends from both the public and private sectors, encompassing all types of construction including office buildings, large commercial remodels, school modernizations, religious buildings, municipal buildings, light industrial, etc.  Our mission is to provide our customers with quality structures & service that meet or exceed their expectations. 

Current & Recently Completed Projects:

Center Vision Clinic:  Construction of an 11,200 sq. ft. new building, located at 8127 W. Grandridge Blvd. in Kennewick, WA.  Completed in May, 2016.

Fran Rish Stadium Safety & Accessibility Project:  The project involves work on the west side of the Fran Rish Football Stadium in Richland.  The work generally includes:  Demolishing the existing west side toilet room/concession bldg. along with the existing adjacent bleacher system.  Constructing a new code compliant toilet room/concession building and a new code compliant grandstand.  Installing a steel helical pier system to support the new building and grandstand.  Completed September, 2015. 

Barker Ranch - Phase 1:  Site Excavation/Utilities, and installation of a 50' x 146' Metal Building.

Barker Ranch, Office & Shop Facility - Phase 2:  Finishing off new 7,300 sq. ft. pre-engineered steel building. Construction includes interior wood/metal framing, drywall, painting, HVAC, plumbing, power and lighting, etc. Site improvements include concrete paving, septic system modifications, utilities and lighting.  Completed November, 2015.  

Franklin County Public Safety Building Area Remodels:  This project involves remodeling/refurbishing of selective areas on the second and third floors of the Franklin County Public Safety Building, along with a small area of the former administrative offices in the original Franklin County Jail.  Completed October, 2015.  

Pasco School District Projects:  Freezer Projects 2014, Pasco High School Kitchen Classroom Upgrades, & Building 210 Dock Repair.  Completed Aug./Sept., 2014.  

Tri-Cities Airport:  Regulator Building Relocation. Completed August, 2014.   

Columbia Playfield Fencing Improvements:  Removal of existing & replacement of the outfield chain link fences and concrete mow curb on four softball fields, along with removal and replacement of asphalt pathway, and installation of a modular block retaining wall.  Completed June, 2014.

a Top Knot Salon:  Finish of approximately 1,650 sq. ft. of an existing shell, including drywall, acoustical ceilings, mechanical & electrical, casework, luxury plank vinyl flooring & ceramic tile, installation of styling stations, make-up station, manicure & pedicure stations, backwash stations, etc. Completed February, 2014. 

Meadow Springs Presbyterian Church Addition & Remodel:  Addition of 5,216 sq. ft. of new space, and remodel of approximately 400 sq. ft. of existing office space.  Completed May, 2014.   

RDO Equipment Co. Building Addition and Remodel: This is an 8400 SQ Ft. addition to the RDO Equipment Co. in Pasco, WA., along with a bathroom/locker room remodel.  Completed March, 2013.  

Shown below are a few of our previously completed projects: