Cowlitz County, WA Ordinances (2026)
Local rules and regulations for Cowlitz County, Washington. Population: 111,000.
Verified from official government sources
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Select a topic to see Cowlitz County's rules on that subject.
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🏡 Home & Property
🌿 Yard & Garden
🏠 Renting & Housing
🔊 Noise & Neighbors
🐾 Animals & Farming
🔥 Fire & Safety
🚗 Parking & Streets
💼 Business & Licensing
📋 Permits, Signs & Events
🌎 Environment & Utilities
🛡️ Privacy & Civic
📋 Other
🌍 Environmental Rules
Erosion Control
Some RestrictionsAnyone grading land in unincorporated Cowlitz County must install erosion control structures before work starts and keep them in place until vegetation is established, under Cowlitz…
Flood Zones
Some RestrictionsIn unincorporated Cowlitz County, any construction or development within a mapped special flood hazard area needs a floodplain permit before work begins, per Cowlitz County Code…
Flood Elevation Requirements
Some RestrictionsNew and substantially improved buildings in unincorporated Cowlitz County's mapped flood zones must sit above the base flood elevation, not just at it. Cowlitz County Code §…
Vehicle Idling Restrictions
Some RestrictionsIn unincorporated Cowlitz County, CCC § 10.25.040(B)(4) makes it a public noise disturbance to idle a stationary truck weighing more than 10,000 pounds GVWR for over 10 minutes at…
Stormwater Management
Some RestrictionsNew development in the unincorporated, non-urbanized area of Cowlitz County that adds 12,000 square feet or more of impervious surface, equal to at least 15 percent of the parcel, must…
Defensible Space
Some RestrictionsProperty owners in unincorporated Cowlitz County who use defensible space to satisfy fire-flow requirements must clear 30, 50 or 100 feet around structures under Fire Code Table…
🔊 Noise Ordinances
Construction Hours
Some RestrictionsIn unincorporated Cowlitz County, construction sounds are exempt from the noise ordinance only between 7:00 a.m. and 10:00 p.m. Outside that window, or when noise reaches a rural…
Vehicle Noise
Some RestrictionsUnincorporated Cowlitz County requires every motor vehicle to run a working muffler at all times and bans cutout or bypass devices under CCC § 11.04.290. A separate ordinance, CCC…
Quiet Hours
Some RestrictionsCowlitz County's noise code defines daytime as 7 a.m. to 10 p.m. on weekdays and 9 a.m. to 10 p.m. on weekends, meaning any other hour counts as night. In unincorporated Cowlitz…
Amplified Music & Outdoor Sound
Some RestrictionsIn unincorporated Cowlitz County, CCC § 10.25.040(A)(6) bars sound amplifiers on public streets for commercial advertising or to attract attention to a vehicle, and § 10.25.040(B)(6)…
Aircraft Noise
Few RestrictionsCowlitz County's noise code does not restrict aircraft: CCC § 10.25.050(A)(1) exempts 'sounds that originate from aircraft in flight, and sounds that originate at airports and are…
Barking Dogs
Some RestrictionsIn unincorporated Cowlitz County, an animal that habitually barks, howls or yelps for 30 minutes or more between 9:00 p.m. and 5:00 a.m., loud enough to be heard inside a neighbor's…
🚗 Parking Rules
Abandoned Vehicles
Some RestrictionsIn unincorporated Cowlitz County, keeping three or more junk vehicles visible from a street, road, or other property within 1,000 feet is declared a public nuisance under CCC §…
Street Parking Limits
Some RestrictionsCCC § 11.04.500 lists specific spots where stopping, standing, or parking is banned on unincorporated county roads, including crosswalks, intersections, in front of driveways, and near…
Overnight Parking
Some RestrictionsOn county-owned parking lots, public ways, and property in unincorporated Cowlitz County, CCC § 11.34.020(B) bars parking, standing, or storing any vehicle in one spot for more than 24…
EV Charging
Some RestrictionsIn unincorporated Cowlitz County, CCC § 18.10.543 sets where electric vehicle charging equipment can go by zoning district. Level 1 and Level 2 chargers are permitted uses outright in…
🏪 Business Licensing & Operations
Adult Entertainment
Significant RestrictionsUnincorporated Cowlitz County requires every adult entertainment enterprise, cabarets, bookstores, arcades, theaters, and similar businesses, to hold a county permit under CCC §…
Auto Repair on Residential Property
Significant RestrictionsUnincorporated Cowlitz County's home occupation ordinance, CCC § 18.10.552, only lists a closed set of low-impact uses like artists, musicians, clergy and professional services as…
🚷 Public Conduct
Jaywalking
Light RestrictionsCowlitz County's traffic code has no separate mid-block jaywalking statute; instead CCC § 11.04.395 and § 11.04.400 govern where pedestrians may walk. Where a sidewalk exists, walking…
Outdoor Smoking Restrictions
Some RestrictionsUnincorporated Cowlitz County bans tobacco use, including vaping, in or within 25 feet of playgrounds, public restrooms, shelters and pavilions in county parks, during public park…
Skateboarding Rules
Significant RestrictionsUnincorporated Cowlitz County does not ban skateboarding outright, but its Code of Conduct and Trespass chapter names skating or skateboarding in a public parking area, entryway or…
📢 Noise from Specific Sources
Low-Frequency Bass Limits
Some RestrictionsIn unincorporated Cowlitz County, CCC § 10.25.040(A)(7) makes it a public noise disturbance, at any hour, to create music or bass 'heard as comprehensible music rhythms or felt' inside…
Car Alarm Limits
Few RestrictionsCowlitz County's noise code exempts car alarms from citation: CCC § 10.25.050(A)(2) excuses 'sounds created by audible alarms, unless otherwise covered by Cowlitz County Code,'…
🚜 Right to Farm
Farm Nuisance Protection
Few RestrictionsCowlitz County's noise code carves agriculture and forestry out of its nuisance-noise rules: CCC § 10.25.050(A)(5) exempts 'sounds originating from forest land management activities or…
Agricultural Zoning Protection
Few RestrictionsUnincorporated Cowlitz County protects farming as a by-right use through its Agriculture (AG) zoning district rather than a separate right-to-farm statute. Cowlitz County Code §…
🗑️ Trash & Recycling
Recycling Rules
Some RestrictionsIn unincorporated Cowlitz County, high-volume sellers of lubricating oil and vehicle oil filters must post a used oil recycling sign, sell household used oil recycling containers, and…
Collection Schedule
Some RestrictionsThe county can require a property owner or occupant in unincorporated Cowlitz County to sign up for regularly scheduled commercial solid waste collection where that service is…
Illegal Dumping
Heavy RestrictionsDumping solid waste anywhere but a county-approved disposal site, or into someone else's collection container without authorization, is unlawful under CCC § 15.30.230 in unincorporated…
Bin Placement Rules
Some RestrictionsIn unincorporated Cowlitz County it's unlawful to store solid waste where it can blow away, be dragged off, or be exposed to weather, animals, or pests, including keeping trash in…
Pickup Rules & Schedules
Some RestrictionsContainers used to store or collect solid waste in unincorporated Cowlitz County must be rigid, corrosion-resistant, watertight, rodent-proof, fitted with a close-fitting lid, and no…
🐔 Animal Ordinances
Wildlife Feeding
Significant RestrictionsIn unincorporated Cowlitz County, leaving, placing or distributing food or other material to feed wildlife is an unlawful act inside any county park. The rule sits in the Park Code's…
Dog Leash Laws
Some RestrictionsOutside city limits, Cowlitz County only requires dogs to be leashed within designated "dog control zones" created by petition under CCC § 6.12.080. Inside those zones, CCC § 6.12.110…
Cat Rules
Few RestrictionsCowlitz County does not require cat owners in the unincorporated county to license or leash their cats. CCC § 6.12.130(E) lets any owner voluntarily register a cat with the Animal…
Breed Restrictions
Significant RestrictionsCowlitz County does not ban or restrict dog breeds. CCC Chapter 6.13 instead lets the Animal Control Authority declare an individual animal "potentially dangerous" or "dangerous" based…
Microchipping
Some RestrictionsCowlitz County has no general pet microchipping mandate. It only requires a microchip once the Animal Control Authority has declared an animal "potentially dangerous" or "dangerous"…
Chickens & Livestock
Some RestrictionsIn unincorporated Cowlitz County's residential land use districts, CCC § 18.10.660 permits farming and gardening but bars housing poultry or livestock within 100 feet of any…
Pet Groomer Rules
Some RestrictionsIn unincorporated Cowlitz County, a commercial dog grooming facility is a listed permitted use only in the Light Manufacturing (ML) zoning district under Cowlitz County Code §…
Veterinary Clinic Zoning
Some RestrictionsA small animal or veterinary clinic is a listed permitted use in Cowlitz County's Urban Commercial (C-2) zoning district under Cowlitz County Code § 18.10.220, item S, but the same…
Beekeeping
Some RestrictionsBeekeeping is a permitted agricultural activity in unincorporated Cowlitz County, but only within the county's agricultural zoning districts. Cowlitz County Code § 18.10.241 lists…
🎪 Special Events & Permits
Park Event Permits
Some RestrictionsUnincorporated Cowlitz County protects reserved park areas by making it unlawful to interfere with the authorized use of a reservation, and the Public Works Director can adopt posted…
Street Fair Rules
Significant RestrictionsCowlitz County has no separate street-fair ordinance; outdoor gatherings of 1,000 or more people featuring live or recorded music for 8-plus hours in a day fall under CCC Chapter 5.10…
🗺️ Zoning Overlays & Bonuses
🏗️ Accessory Structures
ADU Rules
Some RestrictionsCCC § 18.10.585 lets unincorporated Cowlitz County property owners build one ADU, up to 1,200 square feet and 35 feet tall, on a lot at least 6,000 square feet, in any zoned area…
Shed & Carport Rules
Some RestrictionsA detached storage shed or playhouse in unincorporated Cowlitz County does not need a building permit if it is one story and no larger than 120 square feet, or 200 square feet when…
🔥 Fire Regulations
Fireworks
Some RestrictionsRetail fireworks sales in unincorporated Cowlitz County require a Building and Planning Department permit under CCC § 7.20.040, on top of the state Chapter 70.77 RCW fireworks law the…
Outdoor Burning
Heavy RestrictionsBurning garbage, rubbish, or other solid waste that could cause a health hazard or nuisance is unlawful in unincorporated Cowlitz County unless it happens in a permitted facility…
Propane Storage
Some RestrictionsIn unincorporated Cowlitz County, bulk liquefied petroleum gas storage is confined to property zoned Neighborhood Commercial (C-1), Urban Commercial (C-2), Light Manufacturing (ML) or…
Wildfire Zones
Some RestrictionsUnincorporated Cowlitz County adopts the 2021 International Wildland-Urban Interface Code and rates every area of the county for wildfire risk under a locally amended Subsection 302.1…
Fire Pits & Backyard Fires
Some RestrictionsIn unincorporated Cowlitz County, recreational fire and barbecue pits inside a permitted campground must be affixed to the ground and set back 100 feet from any exterior property line…
📐 Building Setbacks & Zoning
Structure Height Limits
Some RestrictionsIn unincorporated Cowlitz County, buildings over 35 feet tall must not exceed what the local fire district's equipment can reach, under CCC § 18.10.570. Outside any fire district, the…
Lot Coverage Limits
Some RestrictionsCowlitz County's Table 18.10.501 caps maximum lot coverage by zoning district for unincorporated land: 50% in the RR-1 district, 30% in RR-2, 15% in the large-lot RR-5 district, 65% in…
Setback Rules
Some RestrictionsIn unincorporated Cowlitz County, every zoning district, including the unzoned (U) area, has a front yard setback of at least 20 feet from the front property line or 50 feet from the…
💼 Home Business
Home Daycare
Few RestrictionsLicensed family day care providers get special treatment under CCC § 18.10.552. Unlike other home occupations in unincorporated Cowlitz County, a licensed day care is a permitted home…
Zoning & Home Occupation Permits
Some RestrictionsCCC § 18.10.552 lets residents run a home occupation in unincorporated Cowlitz County without a special use permit if it stays incidental to the dwelling, keeps the home looking…
Signage Rules
Light RestrictionsA home occupation in unincorporated Cowlitz County can post one sign at the house and one more near the road, but CCC § 18.10.552(B)(8) caps each sign at three square feet and bars any…
🪧 Sign Regulations
Window Signs
Some RestrictionsIn the AG-I zoning district of unincorporated Cowlitz County, CCC § 18.10.568(D)(3) bans window signs advertising anything unrelated to the merchandise or service sold on site, though…
Political Signs
Light RestrictionsCCC § 18.10.568(B)(8) exempts temporary political and ballot-measure signs from the AG-I zone's regular sign standards in unincorporated Cowlitz County, capping them at 32 square feet…
🚶 Sidewalk & Pedestrian Rules
Encroachment Permits
Some RestrictionsAnyone encroaching on or using a county right-of-way in unincorporated Cowlitz County, developed or undeveloped, needs a permit, license, or franchise from the Department of Public…
Obstruction Rules
Some RestrictionsAny structure, device, or object that threatens, endangers, or obstructs the traveling public on a county road or right-of-way in unincorporated Cowlitz County is declared a public…
🔧 Building Safety
Plumbing Permits
Some RestrictionsUnincorporated Cowlitz County enforces plumbing work under the 2021 Uniform Plumbing Code, adopted by reference at CCC § 16.05.110, with only Appendix A carried over and a county-set…
Building Permits
Some RestrictionsAll construction work regulated by an adopted code in unincorporated Cowlitz County needs a permit from the Department of Building and Planning under CCC § 16.05.160. Denials go to the…
🌱 Cannabis Regulations
Dispensary Zoning
Significant RestrictionsCowlitz County limits recreational marijuana retail stores to certain zoning designations under CCC § 18.76.060. A retail store gets administrative review in Urban and Industrial…
Buffer Zones
Significant RestrictionsUnincorporated Cowlitz County sets distance buffers for recreational marijuana facilities under CCC § 18.76.070(C). Facilities in Urban or Industrial zones must sit at least 250 feet…
Data Sources
Ordinance data for Cowlitz County is sourced from the following official government references. Click any topic above for detailed citations.