About Steffes Companies


We are a regional construction and development company who focuses on building relationships. We develop, design, build, and manage properties in Northwest Iowa. Our services include: Commercial Construction, Residential Construction, and Real Estate Management.

We work closely with each customer to customize the delivery process and structure the construction contract to specifically match the needs of their project. We are very flexible with our construction contracting structure and our project delivery process. Our work is primarily design/build delivery. However, many of our projects are Cost plus Fixed Fee, G-Max and Lump Sum General Contracts.


What We Offer

Steffes Companies is a building team dedicated to timeless design and sustainable building. Founder, Marc Steffes, has a degree in Construction Engineering from the University of Nebraska that has numerous years of experience in planning, design and construction of both specialty commercial buildings, residential developments and custom residential. Steffes’s success is based on client interaction and satisfaction along with commitment to design, quality construction, and sustainable building.

We offer pre-engineered metal building by Chief Industries, a national manufacturer based in Nebraska. We work together to deliver metal buildings that suit your needs — whether you're planning a built-to-suit office, building an industrial warehouse or constructing a retail shopping center, Steffes' experts will create environments that facilitate success. Our professionals are trained in all areas of business to assure your planned project is at the core of our business.


Meet Our Team

  • Marc Steffes

    Project Manager/President
    Office: 712.338.6400
    Cell: 712.363.5995

  • Derrick Altena

    Senior Project Manager
    Office: 712.338.6400
    Cell: 712.344.2302

  • Jeremiah Postma

    Office: 712.338.6400
    Cell: 712.540.2434

  • Dennis Mears

    Project Superintendent
    Office: 712.338.6400
    Cell: 712.339.1203

  • Gary Van Den Top

    Project Assistant
    Office: 712.338.6400

  • Ryan Nordlund

    Project Foreman
    Office: 712.338.6400

  • Mercedes Steffes

    Vice President
    Office: 712.338.6400

  • Imagine IGL

    Imagine IGL

    Steffes was awarded Phase I of the Imagine’s beautification and enhancement efforts in Okoboji. Preservation Plaza improvements will start in…

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  • The Inn

    The Inn

    32,704 sq. ft. boutique hotel with 38 unique rooms, second-floor pool and cabana bar, large meeting room, underground parking, and…

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  • GrapeTree


    39,457 sq. ft. renovation and addition for GrapeTree Medical Staffing. Project includes a geothermal system, three server rooms, large training…

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  • Roof Garden

    Roof Garden

    17,910 sq. ft. new Roof Garden at Historic Arnolds Park Amusement Park will have the same look and feel of…

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  • Arnolds Park Restroom Facility

    Arnolds Park Restroom Facility

    Design-assist of new restroom facility for Arnolds Park Amusement Park.

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  • Arnolds Park Queens Court Retail Space

    Arnolds Park Queens Court Retail Space

    Design-assist of new retail space and entrance to Queens Court shopping at Arnolds Park Amusement Park.

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  • Arnolds Park Majestic Pavilion

    Arnolds Park Majestic Pavilion

    4,500 square feet Design Assist addition of new administration offices, and renovation of ballroom space.

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  • Arnolds Park Maritime Museum

    Arnolds Park Maritime Museum

    12,000 square feet Design Assist Addition with exhibit space and new office space.

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  • Medical Office Building

    Medical Office Building

    Design + Build. 6,040 square foot Medical Office Building. Set up for 2 separate tenants each with 3,020 square feet.…

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  • Lakes Regional Oral Surgery

    Lakes Regional Oral Surgery

    2500 square feet of medical office space with four procedure rooms, level two medical gas and vacuum system.

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  • 4307 Lakeshore Dr · Okoboji

    4307 Lakeshore Dr · Okoboji

    2300 square foot design + build renovation on West Okoboji Lake. Interior updated with modern touches and amenities.

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  • Boys Town · Milford IA

    Boys Town · Milford IA

    14,000 square foot renovation of the Boy’s Town Summer Camp. Updated dormitories, restrooms, commercial kitchen, and gathering spaces. New siding…

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  • Boji Bay Pavilion · Milford

    Boji Bay Pavilion · Milford

    Design + Build. 4000 square feet concert stage, new concession stand, restrooms, and green rooms. Milford, IA .

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  • Beck Engineering, Inc. • Spirit Lake

    Beck Engineering, Inc. • Spirit Lake

    Design + Build. 4500 SF office and annex completed in the Fall of 2016.  Prairie style office building utilizes horizontal…

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  • 160 Park Place · Residence

    160 Park Place · Residence

    3600 square feet West Lake Okoboji home, Arnolds Park

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  • 5403 Lakeshore Drive · Residence

    5403 Lakeshore Drive · Residence

    5500 square feet West Lake Okoboji home.

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  • Stone Ridge Mall

    Stone Ridge Mall

    Design + Build. This building includes 8000 square feet of Retail/Office space including tenant improvements for Verizon Wireless, Kozy Heat…

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  • Northwest Bank · Spirit Lake

    Northwest Bank · Spirit Lake

    Design + Build. 8000 SF financial institution planned for the Spring of 2015. Project includes major demolition, high security equipment,…

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  • Spencer Regional Oral Surgery

    Spencer Regional Oral Surgery

    Design + Build. This building included 4000 square feet of medical office space with four procedure rooms. Office was building with…

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  • 1308 Terrace Park Blvd · Residence

    1308 Terrace Park Blvd · Residence

    Design + Build. Contemporary Design. A must see.

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  • Sackett Law Office

    Sackett Law Office

    Design + Build. Complete renovation of a historical building located in Spirit Lake, Iowa. Steffes assisted in obtaining state storefront…

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  • 1009 Lake Street · Residence

    1009 Lake Street · Residence

    Design + Build. Contemporary Design. Interior was inspired by Hollywood glamour concepts.

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  • Steffes Companies Office

    Steffes Companies Office

    Design + Build. Complete renovation of a historical building located in Milford, Iowa. A local storefront grant was obtained. The…

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  • Stoneybrook Subdivision

    Stoneybrook Subdivision

    Design + Build. 52 efficiency homes designed, built, & sold in 24 months.  Steffes worked with the City of Spencer to…

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  • GrapeTree Medical Staffing

    GrapeTree Medical Staffing

    Design + Build. 12,000 square foot office space for GrapeTree Medical Staffing Company, Milford.

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