Tiny Houses in California: Rules, Regulations, and Where You Can Live

California is at the forefront of the tiny house movement, with many counties embracing tiny homes as a sustainable and affordable housing solution. Whether you’re dreaming of a primary residence or an accessory dwelling unit (ADU), understanding the rules, regulations, and opportunities for tiny houses in California is essential.

This guide will walk you through what counties in California allow tiny houses, zoning regulations, building codes, and the best tiny home communities in the Golden State.

What Counties in California Allow Tiny Houses?

Several counties in California welcome tiny homes, either as permanent residences or moveable tiny homes (THOWs). These counties have adjusted their zoning regulations and local laws to accommodate the growing demand for affordable housing options.

1. Fresno County

Fresno County is considered a trailblazer in the tiny house lifestyle, being one of the first regions in California to embrace movable tiny homes as accessory dwelling units (ADUs).

• Why Fresno Stands Out:
  • Tiny homes are allowed as backyard ADUs.
  • Local laws encourage innovative housing solutions.
  • Flexible zoning regulations make it easier for tiny homeowners to build.

2. San Diego County

San Diego offers opportunities for both permanent structures and moveable tiny houses. The county’s regulations align with the California Building Code and allow tiny homes to serve as dwelling units or recreational vehicles in designated areas.

• Key Features:
  • Tiny homes can be used as rental units or primary residences.
  • Options to build in urban and suburban areas.
  • Supportive planning departments for tiny home projects.

3. Los Angeles County

Los Angeles County has embraced the tiny house movement, allowing tiny homes as accessory dwelling units to address the housing crisis.

• Why Consider Los Angeles:
  • Legalized tiny homes in backyards.
  • Options for permanent dwellings and park model homes.
  • Ideal for those seeking urban convenience with access to community development.

4. Santa Cruz County

Santa Cruz is another county leading the way in legalizing tiny homes. The county recognizes tiny houses as a viable option for affordable housing.

5. Humboldt County

For those looking for a rural retreat, Humboldt County permits tiny homes in certain areas. This region prioritizes sustainable living, making it a great option for eco-conscious residents.

6. San Luis Obispo County

Known for its stunning landscapes, San Luis Obispo County has adjusted its zoning regulations to allow tiny homes on wheels and permanent structures in designated areas.

Regulations for Tiny Houses in California

Before you build or park your tiny house in California, you’ll need to comply with local regulations and applicable building codes. Here’s what you need to know:

1. Permanent Structures

If you’re building a tiny house on a permanent foundation, your home must comply with the California Residential Code (CRC) and California Building Standards Commission requirements.

• Key Rules:
  • A net floor area of at least 120 square feet for the main room.
  • Ceiling height of at least 7 feet 6 inches.
  • Must connect to public utilities for water, power, and sewage.
  • Built to resist wind loads.

2. Movable Tiny Homes (THOWs)

Movable tiny homes or tiny homes on wheels are classified as recreational vehicles or park model homes.

• Requirements:
  • Must have valid vehicle registration with the California Department of Motor Vehicles.
  • Must comply with California State Law for mobile homes.
  • Permits are required to park on public or private land.

3. Transitional Structures

For temporary or transitional structures, such as tiny houses on wheels, the rules are slightly different:

• These homes can only be occupied for a maximum of 180 days per year.
• Require permits for parking in RV parks or public lands.
• May not qualify as permanent residences.

Where Can You Build a Tiny House in California?

Finding the perfect location for your tiny home project is key. California offers a variety of options for tiny house communities, private lots, and RV parks.

1. RV Parks and Campgrounds

Many tiny homes on wheels can be parked in RV parks or campgrounds, provided they meet the regulations for recreational vehicles.

2. Tiny Home Communities

Tiny house communities are popping up across California, offering a supportive environment for tiny homeowners.

• Examples:
  • Fresno Tiny House Community: A model community for movable tiny homes.
  • Tiny House Block: Located near San Diego, this community offers both short-term rentals and long-term residences.
  • Park Delta Bay: Situated in Isleton, this community offers waterfront living and access to recreational activities.

3. Private Properties

You can park your tiny home on private property, provided it complies with local building department rules. This often requires a building permit or zoning approval from the local planning department.

4. Tiny Home Villages

Communities like Lemon Cove Village near the Sierra Nevada Mountain Range provide stunning backdrops and a sense of community for tiny house residents.

Tips for Navigating Tiny House Rules

1. Work with Local Officials: Contact your local planning department or community development office to understand the rules for tiny homes in your area.
2. Obtain Building Permits: Whether you’re constructing a permanent or movable tiny home, you’ll need the appropriate permits from your local government.
3. Choose an RVIA-Certified Builder: To ensure compliance with safety standards, work with builders who follow California state building code regulations.

FAQs About Tiny Houses in California

1. Are Tiny Homes Legal in California?

Yes, many counties in California allow tiny homes, but regulations vary by location. Research your county’s rules to ensure compliance.

2. Can I Use a Tiny House as My Primary Residence?

Yes, tiny houses can serve as primary residences, especially if built on a permanent foundation or classified as an accessory dwelling unit (ADU).

3. Do I Need to Pay Property Taxes?

If your tiny home is on private land, you may be required to pay property taxes. For tiny homes on wheels, taxes typically depend on whether the home is registered as a vehicle.

The Wrap-Up

California is leading the way in legalizing tiny homes and providing opportunities for tiny home living. From rural retreats in Humboldt County to urban solutions in Los Angeles County, the state offers diverse options for embracing the tiny house lifestyle.

By understanding zoning regulations, building codes, and local requirements, you can build or buy a tiny home in California that aligns with your dreams. Whether you choose a scenic community like Park Delta Bay or a bustling hub like the Fresno Tiny House Community, there’s a perfect spot waiting for you to start your tiny living journey.