The Ontario Natural Building Coalition is an advocacy group of designers,builders & homeowners

working to promote healthy, high performance natural building strategies in the construction industry.

Upcoming events

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Job Postings

Professional Members - Contact us to list job postings available within your company! View our current Job Postings


Find A Natural Building or Straw Bale Professional

View our Business Directory for a complete list of designers, builders and more


Straw Bale Apprenticeship Program

The ONBC in partnership with The Endeavour Centre is now offering a new Apprenticeship Program for Straw Bale Builders. Click here for our Program details.


Discussion Lists


Natural Homes For Sale

From time to time, homeowners must sell their beloved natural home. ONBC members can make their listings visible here, check out the current Homes For Sale Listings.




Thanks to all who joined us for our on-line 

Annual General Meeting 
on Sat. April 4, 2020  

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Ontario Natural Building Conference - April 4 and 5, 2020 - Cancelled

Due to concerns related to the CoVid-19 virus, the ONBC had to cancel the annual conference. The organizing committee will be meeting soon to discuss alternatives and we will keep everyone informed as much as possible.

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Annual Natural Homes Tour

The annual natural homes tour took place on Sunday Sept 29, 2019 - with 29 homes across Ontario participating. It was a fantastic opportunity to view a wide range of natural homes that featured straw bale, rammed earth, hempcrete and many more natural building methods, as well as alternative energy and heating systems and much more! The annual tour typically takes place the last Sunday of September - keep an eye on this site for a date for next year. 


A huge thanks to all the homeowners who voluntarily opened their homes to tour-goers and to all the people who took part in the tour. 


See a CTV news video clip of one of the homes on our 2019 tour.


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Visit our Natural Building Gallery to see houses built out of straw, wood & earth!



A Natural Home Tours Thank You


Over the years, many homes and buildings have participated in our Natural Building Annual tour.


Many of the homes that have been featured were models of innovation and energy efficiency and featured living roofs, natural clay wall finishes, rainwater catchment systems, grey water systems, composting toilets, while others incorporated solar and wind electrical systems, high efficiency wood burning appliances, solar domestic hot water systems, as well as a variety of other interesting green technologies.


The Ontario Natural Building Coalition would like to thank all the volunteer homeowners who have over the years graciously opened their doors and welcomed tour-goers. The annual tour would not be possible without them!


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