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Trillium Dell at Harvard University Graduate School of Design

February 22, 2018:   Owner, Rick Collins delivered an educational presentation to a class of Harvard University GSD students on the topic of Timber Framing.  



Timber Framers Guild Annual Conference

West - June 1, 2018

Mt. Hood, Oregon


East - October 19, 2018

Virginia Beach, Virgina


Trillium Dell Offers Free "Lunch and Learn" Classes

Trillium Dell offers courses designed for architects and engineers who are interested in learning more about incorporating engineered timber into the design and construction of public and private spaces. Registered Journeyworker Timberframer and owner of Trillium Dell, Rick Collins presents this one hour course at the location of your choice.  Participants may earn credit hours towards the American Institute of Architects (AIA) Continuing Education System. A complimentary lunch is provided by Trillium Dell as part of the educational presentation.  To learn more and sign up for your "Lunch and Learn" email!


Promoting Awareness of Our Built and Natural Heritage.

  • Aledo, Illinois
    Barn Relocation & Restoration

    One of our finest– A beautiful barn relocation and restoration complimented by a four sided cupola.


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  • Oak Brook, Illinois
    Timber Frame Home Accents

    Locally harvested white oak timbers grace this elaborate home. 

  • Independence, Iowa
    Water Mill Timber Restoration

    An incredible six-story timber framed gristmill (with a brick veneer) on the banks of the Wapsipinicon River – built in 1867.

    Read More About This Project

  • DeKalb, Illinois
    Barn Restoration

    Barn rehabilitation to save a piece of history – and the stories a community. 


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  • U.S. Virgin Islands
    Residential Timber Frame Home

    Our “Salty Fir” frame in the US Virgin Islands off the coast of St. John.

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  • Bloomington, Illinois
    Timber Frame Hot Tub Shelter

    A Geometrically Inspired Design– Trillium Dell constructed this outdoor hot tub shelter to provide an inspired place for contemplation and relaxation.

  • Vermillion County, Illinois
    Eagle River Tower

    This observation tower is supported by 40-foot octagonal posts! A climb to the top is rewarded with spectacular views of the Vermilion River bottoms.

  • Glenn, Michigan
    Barn to Home Conversion

    An 1880’s white pine, barn to home conversion – This structure now sits on a lake front property adorned with a stunning hand crafted metal railing. 

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  • Metropolis, Illinois
    Fort Massac Replication

    Trillium Dell replicated this 1802 American fort based on an architectural interpretation of archaeological analyses completed on site– and historical research of maps, letters, and journals from that time period.

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  • Appleton Pavilion

    A community/workshop project. This local hardwood frame was designed by Laurie Smith of the UK using medieval techniques.

Located between Peoria and the Quad Cities, we are one of the most versatile, best-equipped timber frame and restoration shops in the Midwest.

Residential Timber Frame Homes

Trillium Dell is a leading timber frame building company; offering custom solutions to meet all of your timber frame construction needs.

Whether you choose a barn to home conversion, timber frame hybrid home, home addition or custom timber frame home, we will work with you to ensure your ideas become a reality and meet your budget.

Nestled in the wooded hills of Western Illinois, we invite you to visit our shop and facility. We offer a complimentary timber frame home consultation on your initial visit.

Trillium Dell provides the most complete full service timber frame buildings and packages available in Illinois and the Midwest. Our design and project management staff is available for consultation Monday – Saturday every week.

In addition to building full frames we often accent homes with timber elements such as porches, pavilions, pergolas and trusses. Inspired by our clients' vision– everything we build is unique and truly one of a kind. We have unparalleled service and the most comprehensive and well equipped shop in the Midwest and Illinois– capable of completing and installing any size or level of complexity in a timber frame project.

Historic Timber Frame Preservation

Much of our work centers on historic building restoration- including commercial buildings, barns and cabins. Our staff of trained Journeyworker and Apprentice Timber Framers takes great pride in re-creating timber frame structures and restoring existing buildings to ensure that they will be utilized and appreciated for generations to come.

Trillium Dell has completed more barn, log cabin, and public building restorations and replications throughout Illinois (and the continent) than any other timber frame company in our region. Through the years, we have earned a great reputation as an efficient, cost effective, and qualified company. Our in-house staff of designers, engineers, and project managers work to ensure every project undertaken by Trillium Dell- large or small-  is a success.

Commercial Timber Frame Construction

Trillium Dell commercial timber frame structures are hand built with craftsmanship and pride by our highly trained carpenters. Virtually anything is possible in our Illinois based shop. Located in the heart of the country we have access to any species of wood needed for specialized or engineered projects.

Many of our highly engineered projects incorporate glulam’s, kiln dried fir and southern yellow pine. Installation of timber frame structures by our crew is available anywhere in the world. We are members of a Federal Department of Labor Approved Apprenticeship Training Program through the Timber Framers Guild and our carpenters have completed all OSHA approved safety courses for shop and site work.

Our products and services include project management, general contracting, metal fabrication, installation, frame fabrication, design and engineering. Our experience in commercial and public projects is unparalleled.

Projects Across the Country

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