Tiny home rules in Redmond, WA — covering tiny houses on wheels (THOWs), park model RVs, and tiny home on foundation builds — determine where they are legal and how they get permitted.
Tiny homes on permanent foundations may be allowed as ADUs under RMC 21.08 if they meet IRC Appendix Q standards; tiny homes on wheels (RVs) are limited to temporary use under RMC parking rules.
Redmond treats tiny homes based on construction type and permanency. Tiny homes on a permanent foundation that meet the International Residential Code Appendix Q standards (for homes 400 sq ft and under) are allowed as accessory dwelling units under RMC 21.08, subject to a building permit, minimum room sizes, egress, and utility connections. Redmond allows up to two ADUs per single-family lot in compliance with WA HB 1337, and a tiny home can serve as an attached or detached ADU. Tiny homes on wheels (THOWs) are classified by Washington as either recreational vehicles (certified to ANSI A119.5 or NFPA 1192) or Park Model RVs (ANSI A119.5), and are not considered permanent dwellings. RVs and THOWs cannot be used as permanent residences in Redmond residential zones under RMC parking standards, which typically allow only short-term storage and guest use. Manufactured homes meeting HUD standards are allowed in all residential zones under WA state law preemption.
Contact your local code enforcement office for specific penalty information.
Redmond, WA
Redmond does not ban gas leaf blowers, but restricts their use to daytime hours under RMC 6.32. Residential yard equipment is permitted between 7 AM and 10 P...
Redmond, WA
Industrial-source noise received in Redmond residential areas may not exceed 60 dBA daytime and 50 dBA nighttime under RMC 6.32 and WAC 173-60. Overlake and ...
Redmond, WA
Redmond generally allows overnight residential street parking within the 72-hour continuous-parking limit. Downtown time zones, snow events, and posted no-pa...
Redmond, WA
Redmond restricts on-street RV and boat parking to 72 hours and regulates driveway storage under RMC Title 21. Many zones limit the number of recreational ve...
Redmond, WA
Redmond regulates driveway width, surfacing, and apron construction under RMC Title 21 and Public Works standards. Residential driveways are typically 10-24 ...
Redmond, WA
Standard residential fences up to 6 feet in side and rear yards and 4 feet in front yards do not require a building permit in Redmond. Permits are needed for...
Side-by-side rule comparisons with other cities in King County.
See how other cities in King County handle tiny homes.
See how Redmond's tiny homes rules stack up against other locations.
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