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Daniel J. O’Brien & Associates Limited Landscape Architects was formed in 1987 and have been responsible for the design of some of the most iconic landscapes in Ontario. These landscapes range from well known public waterfronts to exclusive estate residential gardens and can be found in the area from the most southerly reaches of the Golden Horseshoe to the St. Lawrence River valley, and north to the Muskoka Lakes region.

The principal Daniel O’Brien has a career spanning over 30 years involving experience in the nursery and landscape design/build industry to municipal park planning and administration and is committed to providing responsive quality service in a broad range of landscape architectural consulting assignments (see service list).

Daniel J. O’Brien & Associates have been commissioned by many waterfront communities to design and construct numerous waterfront and river trail projects. These projects are recognized and continuously promoted by the waterfront regeneration trust and the respective communities where they are built as exemplary examples of waterfront renewal and development.