As of October 15, 2026, ListRiver's records show 64,497 active registered businesses in Washington County, Oregon, the 2nd most among Oregon counties. 62% are LLCs. 952 were formed in September 2026. That is 13% of all Oregon businesses on record.
How many businesses are registered in Washington County, Oregon?
ListRiver has 64,497 active registered businesses in Washington County, Oregon on record as of October 15, 2026, from official Oregon business registry data. Dissolved and defunct businesses are not counted.
How many new businesses were formed in Washington County, Oregon in September 2026?
952 businesses on record in Washington County, Oregon were formed in September 2026.
How many new businesses opened in Washington County, Oregon in the last 12 months?
11,147 businesses on record in Washington County, Oregon were formed in the 12 months through September 2026.
What is the most common type of business in Washington County, Oregon?
LLCs are the most common: 40,168 of 64,497 businesses on record (62%), followed by Corporations with 7,674 (12%).
Where does this data come from?
From Oregon's official business registry. ListRiver loads each new state file, standardizes it, removes duplicates and updates its database weekly. Email and industry details are added from SMBCredit.net where available.
How do I get a list of businesses in Washington County, Oregon?
Use ListRiver's list builder to filter Washington County, Oregon businesses by entity type, formation date, industry and contact details, see the exact count and price, and download a CSV. Every list includes monthly refresh files.
Free to use on any site, and it updates itself every month. Copy this code and paste it into your page. Preview the chart.
Counts come from official Oregon business registry records on file with ListRiver, current as of October 15, 2026. They include businesses that are active on the state register; dissolved and defunct entities are excluded. Contact details are added from SMBCredit.net where available. Formation months reflect the registration date the state reports. See the methodology for sources, update schedules and known limits.