Arborist reports across the Greater Toronto Area

ISA Certified arborist services in Ajax. Permit reports for parks, Greenbelt, Environmental Protection, and Private Open Space zoning where By-law 137-2006 applies, plus construction arborist reports for any building project.

ISA Certified arborist services in Brampton. By-law 317-2012 protects private trees 30 cm and larger, and every application needs an arborist report.

ISA Certified arborist services in Burlington. By-law 40-2022 protects trees 20 cm and larger in the Urban Planning Area, excluding Halton woodland.

ISA Certified arborist services in Caledon. By-law 2025-101, in force since January 1, 2026, protects private trees 30 cm and larger. No permit fee.

ISA Certified arborist services in Clarington. Woodlot preservation and wetland-buffer permit reports where By-law 97-35 applies, plus construction arborist reports for any building project.

ISA Certified arborist reports for tree removal permits in East Gwillimbury. By-law 2024-077 protects private trees 20 cm and larger, and the Town charges no application fee.

ISA Certified arborist services in Hamilton. Tree permits and protection plans across Ancaster, Dundas, Stoney Creek, and the Niagara Escarpment.

ISA Certified arborist services in King Township. Arborist and forester documentation for York Region woodland permits. King Township has no private tree bylaw.

ISA Certified arborist services in Markham. By-law 2023-164 protects private trees 20 cm and larger, and the City reviews applications within 45 days of payment.

ISA Certified arborist services in Milton. Development-application tree inventories and Halton Region woodlot documentation for builders and homeowners.

ISA Certified arborist services in Mississauga. By-law 0021-2022 protects private trees 15 cm and larger, one of the lowest thresholds in the GTA.

ISA Certified arborist reports for tree removal permits in Newmarket. We prepare the Tree Report Form and permit documentation Newmarket's Planning & Building Services department requires.

ISA Certified arborist services in Oakville. By-law 2017-038 protects private trees 15 cm and larger outside woodland, and an inspector contacts you within 5 business days.

ISA Certified arborist services in Oshawa. Construction and development arborist reports for projects that require one under Durham Region's Woodland By-law or a site plan application, even though Oshawa's own by-law covers city-owned trees only.

ISA Certified arborist services in Pickering. Permit reports for the Tree Protection Areas of By-law 8073/24. A certified arborist report lowers the permit fee.

ISA Certified arborist services in Richmond Hill. By-law 19-25 protects trees 15 cm and larger, down from 20 cm before April 2025.

ISA Certified arborist services in Toronto. Chapter 813 protects private trees 30 cm and larger, and Chapter 658 protects ravine trees of any size.

ISA Certified arborist services in Vaughan. By-law 177-2025 protects private trees 20 cm and larger and public trees of any size.

ISA Certified arborist services in Whitby. Permit reports for woodlots, Environmental Protection zones, heritage districts, and large residential lots where By-law 4640-00 applies, plus construction arborist reports for any building project.

ISA Certified arborist reports for tree removal and development applications in Whitchurch-Stouffville. By-law 2023-060-RE protects Mature Trees in the five settlement areas: 30 cm (Mature Tree in a Secondary Plan settlement area, regulated through a site plan, subdivision or consent application).

ISA Certified arborist services across York Region. Arborist reports and woodland consulting for properties under York Region's Forest Conservation By-law.