Building Permits in Coos Bay, OR

Check permit requirements for home improvement projects in Coos Bay. Select a project type below to see local requirements, estimated fees, and how to apply.

109 Permit Rules
28 Project Types
$25 – $7,500 Permit Fee Range →
IRC 2021 Building Code

Key Exemptions in Coos Bay

These projects typically don't require a building permit in Coos Bay:

Cosmetic updates are exempt.

Small at-grade patio slabs under 120 square feet are typically exempt from building permits per IRC R105.2 (extended via local amendment). The slab must be at-grade (not more than 30 inches above adjacent grade) and not part of an accessible route.

Freestanding decks under 30 inches are exempt.

Replacing an existing driveway in the same footprint with no changes to the curb cut is generally exempt from permit requirements.

Replacing a fixture is exempt.

See all rules by selecting a project type below, or use our free lookup tool for a personalized answer.

Deck
4 rules
Fence
5 rules
Shed
3 rules
Roof Replacement
3 rules
Windows and Doors
3 rules
Bathroom Remodel
5 rules
Kitchen Remodel
5 rules
Swimming Pool, Hot Tub, or Spa
4 rules
Electrical Work
4 rules
Plumbing Work
4 rules
HVAC
4 rules
Garage
5 rules
Room Addition
3 rules
Basement Finishing
4 rules
Retaining Wall
3 rules
Solar Panels
4 rules
Patio
3 rules
ADU
3 rules
Driveway
4 rules
Demolition
4 rules
EV Charger
4 rules
Generator
4 rules
Gas Line
4 rules
Water Heater
4 rules
Tree Removal
4 rules
Siding
4 rules
Fireplace
4 rules
Concrete Slab
4 rules

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Coos Bay Building Department

NameCoos Bay Building Department
Phone(541) 269-1181
WebsiteVisit website
Address500 Central Ave, Coos Bay, OR 97420
HoursMon-Fri 8am-5pm

Nearby Cities in Oregon

Portland Lane County Salem Eugene Gresham Hillsboro Bend Beaverton

Permit Guides

Read our in-depth guides for common home improvement projects:

Deck Guide Fence Guide Shed Guide Roof Guide Window & Door Guide Bathroom Guide Kitchen Guide Pool Guide Electrical Guide Plumbing Guide HVAC Guide Garage Guide Addition Guide Basement Guide Retaining Wall Guide Solar Guide Patio Guide ADU Guide Driveway Guide Demolition Guide EV Charger Guide Generator Guide Gas Line Guide Water Heater Guide Tree Removal Guide Siding Guide Fireplace Guide Concrete Slab Guide
Disclaimer: Always confirm with your local building department before starting your project. PermitMint provides general guidance, not legal advice.