RCW 36.01.227
County may not limit number of unrelated persons occupying a household or dwelling unit—Exceptions.
Except for occupant limits on group living arrangements regulated under state law or on short-term rentals as defined in RCW 64.37.010 and any lawful limits on occupant load per square foot or generally applicable health and safety provisions as established by applicable building code or county ordinance, a county may not regulate or limit the number of unrelated persons that may occupy a household or dwelling unit.
[ 2021 c 306 § 7.]
Structure Revised Code of Washington
Chapter 36.01 - General Provisions.
36.01.030 - Powers—How exercised.
36.01.040 - Conveyances for use of county.
36.01.050 - Venue of actions by or against counties.
36.01.060 - County liable for certain court costs.
36.01.070 - Probation and parole services.
36.01.080 - Parking facilities—Construction, operation and rental charges.
36.01.085 - Economic development programs.
36.01.090 - Tourist promotion.
36.01.095 - Emergency medical services—Authorized—Fees.
36.01.100 - Ambulance service authorized—Restriction.
36.01.104 - Levy for emergency medical care and services.
36.01.120 - Foreign trade zones—Legislative finding, intent.
36.01.130 - Controls on rent for residential structures—Prohibited—Exceptions.
36.01.150 - Facilitating recovery from Mt. St. Helens eruption—Scope of local government action.
36.01.160 - Penalty for act constituting a crime under state law—Limitation.
36.01.170 - Administration of trusts benefiting school districts.
36.01.180 - Zoo and aquarium advisory authority—Constitution—Terms.
36.01.190 - Initial meeting of zoo and aquarium advisory authority—Expenditure of funds—Powers.
36.01.230 - Cooperative watershed management.
36.01.240 - Regulation of financial transactions—Limitations.
36.01.250 - Environmental mitigation activities.
36.01.260 - Urban forestry ordinances.
36.01.270 - Contractors—Authority of county to verify registration and report violations.
36.01.280 - Community athletics programs—Sex discrimination prohibited.
36.01.310 - Accessible community advisory committees.
36.01.330 - Failing septic systems—Connection to public sewer systems—Appeals process.
36.01.340 - Final determination on state highway permit projects.
36.01.350 - Removal of restrictive covenants—Hearing, notice.
36.01.360 - Telecommunications services and facilities authorized—Requirements.