The SAIL website contains survey, tax assessor, and other property related information for all of Multnomah County.
All the forms and documentation you need to submit a plat or survey.
Process for submitting surveys, plats and associated documents to Multnomah County Surveyor’s Office via email or Google Drive.
How to submit a plat and how to pay for it.
How to submit a survey and how to pay for it.
Submit a request for a subdivision or condominium plat name.
Common questions and concerns, and link to a few helpful resources.
The County Surveyor's office and the services we provide
Contact information for the County Surveyor's office.