The core purpose of the Engineering Department is to provide quality engineering services for the City of Lake Oswego consistent with environmental values, safety standards and the needs of the community.

We are committed to excellence in infrastructure management, planning, design and construction. This includes surface water, wastewater (sewers), water and transportation. Within the charge, there are a number of other services provided by the department:

  • Design, construction, and inspection of public infrastructure projects
  • Management of  traffic and transportation laws, regulations, issues and requests
  • Review and analysis of development proposal for consistency with land use ordinances, codes, and standards, including erosion control and system inspections during construction
  • Compliance with federal, state, and local regulations for water quality

News & Announcements

Major Capital Projects

View the latest capital improvement projects, which generally include street, stormwater, water, sewer and transportation projects.

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Bid & RFP Information

Welcome to the City's contracting information page. The City of Lake Oswego solicits contracts for design and construction of public improvements, technical studies and the purchase of materials, supplies or equipment and personal services in accordance with State and local contracting rules.

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CAD Standards & Guidelines Manual

The City of Lake Oswego Engineering Division has rolled out a "new updated" CAD Standards and Guidelines Manual.  For use by engineering professionals designing public infrastructure, these standards represent a significant revision of previous Lake Oswego CAD Standards.  The manual covers integration of National CAD Standards into the City’s standards, brings in

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Mapping Services

The Geographic Information System (GIS) provides City staff with a valuable tool for information analysis, automated mapping, and data storage. The GIS can perform numerous analytical operations to support decision-making processes as well as create, edit, and display maps. This capability assists decision-makers as they allocate resources, evaluate alternatives and costs, and provide improved customer service to residents of the city.

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Engineering Permits & Applications

You have entered the Engineering Department's forms and documents link.  This link is intended to provide easy and convenient citizen access to frequently requested documents.

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Surveying is the science of making precise measurements of the Earth's surface with the aid of complex optical and electronic instruments.

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Contact Information


Engineering Counter Hours:

8:00 am to Noon, Monday through Friday.

Water Treatment Plant
Water Conservation


Resource Center

Key Documents and Reports

Forms, Permits, and Applications