Tiny Homes: Garden Grove vs Midway City
How do tiny homes rules compare between Garden Grove, CA and Midway City, CA?
Garden Grove and Midway City have similar restriction levels.
Garden Grove, CA
Orange County
Garden Grove permits tiny-home-style dwellings only as Accessory Dwelling Units under Garden Grove Municipal Code Chapter 9.54, which implements California Government Code 65852.2. Detached ADUs may be up to 1,200 sq ft for two-or-more bedrooms (850 sq ft for studio/one-bedroom), with a 16-foot height cap and 4-foot side and rear setbacks. Tiny homes on wheels and recreational vehicles are not recognized as permanent dwellings.
View full Garden Grove rules →Midway City, CA
Orange County
California HCD guidance and Health and Safety Code 18007 classify many tiny homes on wheels as manufactured housing or ADUs, granting statewide siting protections.
View full Midway City rules →Key Facts Comparison
| Fact | Garden Grove | Midway City |
|---|---|---|
| Code Chapter | GGMC Chapter 9.54 | - |
| State Statute | Cal. Gov. Code 65852.2 | - |
| Detached ADU - Studio/1BR Max | 850 sq ft | - |
| Detached ADU - 2BR+ Max | 1,200 sq ft | - |
| JADU Max Size | 500 sq ft (deed-restricted, owner-occupied) | - |
| Detached Height Cap | 16 ft (state exceptions allow more) | - |
| Side/Rear Setback | 4 ft minimum | - |
| Parking Replacement | Not required for garage conversion | - |
| Manufactured Home | Allowed if built to H&S 18007 on permanent foundation | - |
| Tiny Home on Wheels / RV | Not recognized as permanent dwelling (H&S 18028) | - |
| Statute | - | Health & Safety Code 18007 |
| ADU pathway | - | Gov Code 65852.2 |
| Standards | - | HUD or ANSI 119.5 |
| Regulator | - | HCD |
Highlighted rows indicate differences between cities.
Garden Grove FAQ
Can I live in a tiny house on wheels in Garden Grove?
No. California Health & Safety Code 18028 treats tiny houses on wheels as recreational vehicles, and Garden Grove Municipal Code Chapter 9.54 only recognizes ADUs built to the California Residential Code on a permanent foundation. Long-term occupancy outside a permitted RV or mobilehome park is not allowed.
How big can a tiny-home ADU be in Garden Grove?
Up to 850 sq ft for a studio or one-bedroom detached unit and 1,200 sq ft for two or more bedrooms, with a 16-foot height cap for one-story detached ADUs under Garden Grove Municipal Code Chapter 9.54.
Does a tiny-home ADU have to be on a permanent foundation?
Yes. Garden Grove accepts manufactured homes meeting California Health & Safety Code 18007 standards as ADUs but the structure must sit on a permanent foundation and be served by City water and sewer.
Midway City FAQ
Can I park a tiny home on wheels in my backyard full time?
Generally no, unless it qualifies as an ADU on a foundation or your city has a specific movable-tiny-house ordinance. RVs are limited to RV parks.
Are foundation-built tiny homes protected by ADU law?
Yes. A tiny home meeting ADU size and code requirements receives the full ministerial approval protections of Government Code 65852.2 statewide.
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