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CityRuleLookup provides general information about local ordinances. This is not legal advice. Always verify rules with your local municipality before making decisions.

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Snohomish County, WA Ordinances 2026: STR, Noise, ADU & Fire | CityRuleLookup

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Snohomish County

Snohomish County, WA Ordinances (2026)

Local rules and regulations for Snohomish County, Washington. Population: 0.

Verified from official government sources

Note: County ordinances apply to unincorporated areas of Snohomish County. If you live within an incorporated city, that city's own rules take precedence over county-level regulations. We have city-specific rules for Edmonds, Everett, Lynnwood, and Marysville: check there if you live in one of those cities. All other areas in Snohomish County fall under the county rules shown below.

Browse Ordinances by Topic

Select a topic to see Snohomish County's rules on that subject.

🔊

Noise Ordinances

Quiet Hours

🏠

Short-Term Rentals

Permit Requirements
Taxes & Fees
Parking Rules
Occupancy Limits

🔥

Fire Regulations

Fireworks

🧱

Fence Regulations

Height Limits

🐔

Animal Ordinances

Dog Leash Laws

🏊

Swimming Pools & Spas

Cities in Snohomish County

These cities are located within Snohomish County and may have their own ordinances.

Pop. 0

Pop. 0

Pop. 0

Pop. 0

Unincorporated Communities

These communities are in unincorporated Snohomish County. County ordinances apply directly to these areas.

Mill Creek EastPop. 24,912 EastmontPop. 24,059 North LynnwoodPop. 22,802 Silver FirsPop. 22,174 Bothell WestPop. 22,015 Martha LakePop. 21,660 Lake StickneyPop. 15,413 Bothell EastPop. 13,970 Maltby

Data Sources

Ordinance data for Snohomish County is sourced from the following official government references. Click any topic above for detailed citations.

[1]Chapter 70.77 RCW - State Fireworks Law
[2]Snohomish County - Fireworks
[3]Snohomish County Council - 2024 Fireworks Sales Ban Ordinance
[4]MRSC - Fireworks Regulation in Washington
[5]Chapter 64.37 RCW - Short-Term Rentals

Show all 40 sources

[6]RCW 64.37.040 - Platform Registration
[7]RCW 19.27.530 - Carbon Monoxide Alarms
[8]Chapter 82.08 RCW - Retail Sales Tax

View all counties and cities in Washington →

Fencing Requirements

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Accessory Structures

ADU Rules

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Environmental Rules

Flood Zones

Pop. 11,277

Alderwood ManorPop. 10,198

Picnic PointPop. 9,768

Woods CreekPop. 6,017

CavaleroPop. 5,232

Larch WayPop. 4,993

Chain LakePop. 4,806

Lake GoodwinPop. 4,462

EsperancePop. 4,007

Three LakesPop. 3,941

Lake CassidyPop. 3,757

Bunk FossPop. 3,680

ClearviewPop. 3,648

Canyon CreekPop. 3,445

MeadowdalePop. 3,148

High BridgePop. 3,140

[9]RCW 19.27.031 - State Building Code

[10]WAC 51-51 - Washington State Residential Code (adopts IRC Appendix AG)

[11]WAC 246-260 - Water Recreation Facilities

[12]Snohomish County PDS - Permits

[13]SCC ch. 30.65 - Special Flood Hazard Areas

[14]SCC 30.65.030 - National Flood Insurance Program

[15]Snohomish County Floodplain Development Regulations

[16]Chapter 90.58 RCW - Shoreline Management Act

[17]SCC 30.28.010 - Accessory Dwelling Units

[18]RCW 36.70A.681 - Accessory Dwelling Units (HB 1337)

[19]Snohomish County PDS - Detached ADU Bulletin

[20]PDS Director's Rule 24-07 - ADUs and Split Zoning

[21]Snohomish County Code Chapter 10.01 - Noise Control

[22]WAC 173-60 Maximum Environmental Noise Levels

[23]RCW 70.107 Noise Control Act

[24]Snohomish County Code Title 10

[25]SCC 30.28.040 Fences and freestanding walls

[26]Snohomish County Fences Assistance Bulletin #6

[27]Snohomish County Codes & Regulations

[28]RCW 36.70A Growth Management Act

[29]SCC Chapter 9.14 Dog Leash Law

[30]Animal Laws in Snohomish County

[31]RCW 16.08 Dogs (Dangerous Dogs)

[32]RCW 9.91.025 Unlawful transit of animals

[33]Snohomish County Code Chapter 30.28 (General Development Standards - Misc.)

[34]Snohomish County Title 30 (Unified Development Code)

[35]RCW 19.27 - State Building Code Act

[36]RCW 46.61 - Rules of the Road

[37]Snohomish County Planning and Development Services

[38]RCW 67.28 - Public Stadium, Convention, Arts, and Tourism Facilities (Lodging Tax)

[39]WA Department of Revenue - Lodging Taxes

[40]WA DOR - Lodging (Transient / Short-Term)