This info is available from Official website.
Determine where to send your passport
To determine where to send your passport, you will need to refer to the answers you provided to questions 7 and 9 on your application form with regards to your country of residence and your country of application.
If you do not have a copy of your completed and validated application form, it can be accessed through your MyCIC account.
In your application form, if you have answered:
YES to question 9, use the country/territory you provided to question 7
NO to question 9, use the country/territory you provided to question 9
Click on the name of the appropriate country/territory in the alphabetical list below.
Note that the instructions for the submission of your passport may be different than the instructions on visa office websites. Instructions on visa office websites are meant for applicants not using e-Apps. Follow the instructions provided on this page when submitting/sending your passport to avoid delays.
When you submit your passport, it is important to include the letter we have sent to your MyCIC account.
========== For NY consulate
Submit your passport at the visa application centre
You can submit your passport(s) by mail or in person.
With your passport(s), make sure you include:
The passport request letter you received from CIC
Any applicable VAC fees, such as passport transmission fees
Check the website of your closest visa application centre (VAC) for more information:
New York, USA
Submit your passport at the visa office
US Address
To submit by mail or courier, you must include your passport, a copy of the request letter, as well as a Pre-paid flat rate U.S. Postal Service "Express Mail envelope" (9"x12")with the following information:
A complete mailing label on the return envelope showing your full mailing address in the "Deliver To" field and the address of the Canadian Consulate General in New York in the "Return Address" field
A daytime telephone number on the mailing label above the recipient address
If you chose to not provide us with such a return envelope, we will mail you via regular mail (US Postal Service First Class Mail).
Canadian Address
We return passports and documents to addresses in Canada by US Postal Service First Class Mail only.
Please send to:
EAPP
Canadian Consulate General
Immigration Section
1251 Avenue of the Americas,
New York, NY 10020
========== For LA consulate
US Address
To submit by mail or courier, you must include your passport, a copy of the request letter, and a self-addressed United States Postal Service/ USPS Express Mail flat rate envelope with the correct postage stamp affixed. Metered postage is unacceptable.
Keep a record of the tracking number on the USPS Express Mail label so that you can track delivery of the envelope
For USPS Priority Mail envelopes, you must also attach a Delivery Confirmation form with correct postage stamp affixed. Metered postage is unacceptable.
If you do not provide an acceptable return envelope, the visa office will mail your passports and original documents via regular mail with no tracking number.
Canadian Address
We return passports and documents to addresses in Canada by US Postal Service First Class Mail only.
Please send to:
EAPP
Consulate General of Canada
Visa Section
550 South Hope Street, 9th Floor
Los Angeles, CA 90071