Bellingham, WA Fence Regulations: Fence Permit Requirements (2026)

Permits shall not be required for the following: Building:

1. One-story detached accessory structures used as tool and storage sheds, greenhouses, tree-supported play structures, playhouses and similar uses, provided the projected roof area does not exceed 120 square feet IBC (11.14 m2) or 200 square feet IRC and the structure is located in accordance with all land use regulations;

2. Fences not over 8 feet (2,438 mm) high that do not have masonry or concrete elements above 6 feet;

3. Arbors or other open-framed landscape structures that do not exceed 200 square feet in area;

4. Oil derricks;

5. Retaining walls which are not over 4 feet (1,219 mm) in height measured from the bottom of the footing to the top of the wall, unless supporting a surcharge or impounding Class I, II or III-A liquids;

6. Water tanks supported directly on grade if the capacity does not exceed 5,000 gallons (18,925 L) and the ratio of height to diameter or width does not exceed 2 to 1;

7. Sidewalks and driveways at grade associated with residential buildings constructed under the provisions of the IRC;

8. Decks, associated platforms and steps accessory to residential buildings constructed under the provisions of the IRC which are not more than 30 inches (762 mm) above adjacent grade plane and not over any basement or story below;

9. Painting, papering, tiling, carpeting, cabinets, counter tops and similar finish work;