Land Development Services
Planning Planning Applications and Guides Planning Commission Building Land Use Compliance On-site Wastewater Program On-site wastewater application guides and forms Total Maximum Daily Load - Mercury - Temperature

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Contact Information

Building Division

Planning Division

On-Site Wastewater Program Division

Land Use Compliance Division

Land Development Services Quick Links
General Information
Staff Directory
Email
building@columbiacountyor.gov
Phone Numbers
503-397-1501
Fax: 503-366-3902
Emergencies: Dial 911
Location
(temporary)
445 Port Avenue
St. Helens,
OR
97051
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We are available by phone and email, or by appointment only.
Monday - Friday
8:30 a.m. to 5:00
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