Note: only payments in Canadian dollars are accepted. Where fees are payable in US funds, the Canadian equivalent will be calculated at time of payment or receipt of payment. The US/Canadian dollar exchange rate is set at the Bank of Canada at the start of the business day each month. For more information, contact the ISAO office at 1-888-463-2316 or info@isaontario.com

Types of Membership:

• International Society of Arboriculture (ISA) - International Membership: US$135 / CAD$187
• Ontario Chapter (ISAO) Membership: CAD$110
• Combined ISA International + ISAO Membership: CAD$297
• Students: Limited to students enrolled full-time in courses of Arboriculture OR supporting allied fields in recognized institutions at a college level or above. (NOTE: faculty advisor contact information is required). CAD$75

Professional Affiliation (your fee will be forwarded to the affiliated organization):
Urban & Community Forestry Society (UCFS) (previously Society of Municipal Arborists): See details on UCFS here. Price: US$95 (= CAD$130) / year.
Utility Arborist Association: See details on UAA here. Price: US$75 (= CAD$105) / year.
Arboriculture Research & Education Academy: See details on AREA here. Price: US$50 (= CAD$70) /year.
Society of Commercial Arborists: See details on SCA here. Price: US$35 (= CAD$50) /year.

Online payment is by credit card only. When you are ready to pay, click below to proceed to payment.

Note: All fees received by the ISA Ontario Chapter but payable to ISA International (US funds) will be converted to the US dollar rate at the time of application. The total membership fee will be charged in Canadian funds. The US/CAD exchange rate will vary (non-negotiable) and will be reviewed on the first of each month. For more information, contact the ISAO office at 1-888-463-2316.