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City building permits

City of Lake Oswego

How to apply for a building permit in City of Lake Oswego, Oregon. Permit authority, application steps, fees, and inspection requirements.

Min. permit fee
See current fee schedule
Last verified
April 2026
On this page 6
§ 01

Permit authority

City of Lake Oswego Building Services

Street address
Lake Oswego City Hall, 380 A Avenue, Lake Oswego, OR 97034
Coverage
Lake Oswego runs its own building division for property inside city limits, including the portion of the city in Clackamas County. Planning approval remains separate.
Online portal
Oregon ePermitting
Oregon ePermitting
§ 02

When a permit is required

Permit triggers and exempt work for Lake Oswego

Lake Oswego requires permits for construction, enlargement, alteration, repair, moving, demolition, and many trade installations; planning approval may also be required.

State residential exemptions for qualifying minor residential work, subject to Lake Oswego planning and site overlays where applicable
  • Exempt State residential exemptions for qualifying minor residential work, subject to Lake Oswego planning and site overlays where applicable
Required documents
  • Application
  • Plans
  • Site plan
  • Valuation
  • Engineering
  • Project-specific forms
  • Planning materials where applicable
Building code
Current Oregon specialty codes as administered by the city.
Permit validity
Oregon 180-day rule generally applies unless extended by the building official.
Owner-builder
Homeowners may pull permits for work they are legally allowed to perform.
Contractor requirements
Oregon contractor licensing rules apply.
§ 03

Application process

Typical processing: No universal citywide estimate posted on the main division page.

  1. 01
    Confirm zoning, planning, and site constraints with city planning before finalizing plans.
  2. 02
    Create an Oregon ePermitting account and submit building application, plans, and supporting documents.
  3. 03
    Pay intake and review fees and respond to correction notices.
  4. 04
    After approval, pay issuance fees and download stamped plans and permit card.
  5. 05
    Schedule city inspections and obtain finals.

Typical processing time: No universal citywide estimate posted on the main division page.

Source: City of Lake Oswego Building Services ↗

§ 04

Fee schedule

Lake Oswego building permit fees

Fee type
Amount
01
Minimum permit fee
See current fee schedule
02
Plan check fee
Per current city fee schedule.
03
Permit fee formula
Structural permits are valuation-based; trade permits and local review items are schedule-based.
04
Reinspection fee
Reinspection and investigation charges are listed on the city fee schedule.

Fees change periodically. Confirm at the official fee schedule ↗ before budgeting.

§ 05

Required inspections

Scheduling and sequence

How to schedule
Inspection hours
City business hours

Typical sequence: City sequence varies by permit scope, typically footing/foundation, framing, rough trades, cover inspections, and finals.

§ 06

Frequently asked

Common questions about Lake Oswego permits

01 Do I need a building permit in Lake Oswego, OR?
Lake Oswego requires permits for construction, enlargement, alteration, repair, moving, demolition, and many trade installations; planning approval may also be required.
02 How much does a building permit cost in Lake Oswego, OR?
Building permit fees in Lake Oswego, OR are set by the local building department and vary by project type and valuation. The minimum permit fee is See current fee schedule. Fees are calculated as: Structural permits are valuation-based; trade permits and local review items are schedule-based.. Plan check fee: Per current city fee schedule..
03 How do I apply for a building permit in Lake Oswego, OR?
To apply for a building permit in Lake Oswego, OR, follow these steps: 1. Confirm zoning, planning, and site constraints with city planning before finalizing plans. 2. Create an Oregon ePermitting account and submit building application, plans, and supporting documents. 3. Pay intake and review fees and respond to correction notices. 4. After approval, pay issuance fees and download stamped plans and permit card. 5. Schedule city inspections and obtain finals.
04 How long does it take to get a building permit in Lake Oswego, OR?
Building permit processing times in Lake Oswego, OR typically run No universal citywide estimate posted on the main division page.. Timelines can vary based on project complexity and current department workload.
05 What work is exempt from building permits in Lake Oswego, OR?
Not all construction work requires a permit in Lake Oswego, OR. The following work is generally exempt: State residential exemptions for qualifying minor residential work, subject to Lake Oswego planning and site overlays where applicable. When in doubt, confirm with the local building department before starting work.
06 How do I schedule a building inspection in Lake Oswego, OR?
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in Lake Oswego, OR via: Oregon ePermitting, Building Services.
last verified April 2026 source City of Lake Oswego Building Services ↗ entry id permits/oregon/clackamas/lake-oswego

Educational reference. Permit rules and fees change — confirm current requirements directly with City of Lake Oswego Building Services before applying. Jaspector is not legal advice.