Before You Build in Vancouver, WA: Permit & Rule Checklist (2026)

Standard residential fences under 6 feet in Vancouver generally do not require a building permit. Fences over 6 feet, retaining walls, and masonry walls require permits.

Vancouver's Municipal Code Chapter 20.912 governs all fences, walls, and retaining walls citywide. Residential fences have tiered height limits by yard location; retaining walls under 4 feet are permit-exempt, while taller walls require a building permit.

Vancouver regulates fences under VMC 20.912. Front yard fences are limited to 4 feet and side/rear yard fences to 6 feet in residential zones. Corner lots have visibility triangle requirements.

Washington state does not have a mandatory fence cost-sharing law. In Vancouver, the property owner who builds a fence is responsible for its cost. Disputes are civil matters.

Vancouver requires a building permit for most residential swimming pools and spas. Small prefabricated above-ground pools with walls no more than 24 inches high and capacity under 5,000 gallons are exempt. Pool barrier fences always require a permit regardless of height.

Vancouver requires all residential swimming pools to be enclosed by a barrier at least 48 inches high with self-closing, self-latching gates. This follows the International Residential Code adopted by Washington state.

Above-ground pools in Vancouver must meet the same barrier requirements as in-ground pools. Pools with walls at least 48 inches high with lockable access may satisfy the barrier requirement.

Vancouver requires pools to meet Washington State Building Code safety standards including barriers, anti-entrapment drain covers, and electrical grounding. Building permits and inspections are required.

Garage conversions in Vancouver require building permits and must meet building code standards for habitable rooms. Conversions to ADUs follow the city's ADU regulations and do not require replacement parking.

Vancouver allows up to two ADUs per parcel in all residential zones. ADUs may not exceed 800 sq ft or 50% of the main home's square footage, whichever is less. No additional parking is required.

Vancouver regulates carports and detached accessory structures under VMC 20.902. Structures must be located behind the front elevation of the primary building and comply with setback, height, and lot-coverage standards for the applicable zone.

Vancouver allows site-built tiny homes as accessory dwelling units under VMC Chapter 20.810, which caps ADU floor area at 1,000 square feet and requires minimum floor area set by the Washington State Building Code. Tiny houses under 400 square feet must comply with IRC Appendix Q (Tiny Houses), which Washington adopted statewide effective February 2021 and is enforced by the Vancouver Building Division.

Small sheds under 200 sq ft in Vancouver generally do not require a building permit. Larger structures require permits and must comply with zoning setbacks.

Vancouver prohibits open burning within city limits. Recreational fires in approved containers are allowed under conditions. The Clark County Clean Air Agency regulates air quality and may issue burn bans.

Fire pits in Vancouver must be in approved containers with proper clearance from structures. Fires must be attended and comply with Clark County Clean Air Agency burn ban status.

Vancouver does not typically impose mandatory outdoor watering restrictions under normal conditions. The Pacific Northwest climate provides adequate rainfall for most of the year, but voluntary conservation is encouraged during dry summers.

Vancouver property owners are responsible for trimming trees on their property and maintaining clearance over sidewalks and streets. The city manages public trees in rights-of-way.

Vancouver regulates tree removal on development sites through its land use code. Significant trees on private property may require mitigation when removed as part of a development project.