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Huntington Beach ADUs: Laws and Requirements for Extra Living Spaces
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Table of Contents
ADU in Huntington Beach is a great way to expand your living space. It not only provides you with an opportunity to increase the overall space but also earn some quick profits by renting or selling the property. However, there are some rules and regulations you need to follow for proper construction of your ADU. In this article, you will get a complete list of all the Huntington Beach ADU requirements.
Huntington Beach ADU Requirements
Types of ADUs Allowed
Following are the types of ADUs you can build in Huntington Beach.
Attached ADUs
The first city of Huntington Beach ADU type is the attached ADUs, which are attached to the primary dwelling. These ADUs have separate entrances from the main house, but one side of their walls is attached to make it look like a part of your main dwelling.
Detached ADUs
The second kind of Huntington Beach ADU is the detached ADU, which is placed at some distance from the primary dwelling. These ADUs have their utility connections and entrances, making it a second house on the same property.
Conversion ADUs
Conversion ADUs are built by conversion of one of the existing structures of the house. These structures include garages, attics, basements, etc. Conversion ADUs, being a part of your existing house, don't have to go through all the strict rules. In fact, you can even expand a conversion ADU to increase the living area.
Junior ADUs
At last, junior ADUs are similar to detached ADUs that are much smaller in size. The maximum size you can get for a junior ADU is 500 square feet. In this size, you will get a good quality container home in California.
Allowed Locations
In Huntington Beach, you are only allowed to have your ADUs in the areas that are zoned for residential usage. Existing single and multi-family properties can have one or two ADUs depending on the type of the ADU and the primary dwelling. Remember that you can only build an ADU if you are the owner of at least one single or multi-family dwelling in the area.
Minimum Size
The maximum size allowed for a detached ADU in Huntington Beach is 850 square feet. You can build ADUs bigger than that, but you would need special permits to build them. However, another way of building a bigger ADU is to go for the attached one or a conversion one. Conversion ADUs can be expanded by 150 square feet from their original size, but not more than that.
Total Number of ADUs Allowed
There can be only one prefab ADU with a single-family dwelling. However, you can have two if you are occupying a multi-family dwelling. On the other hand, a conversion or junior ADU can co-exist with detached ADUs, so it’s a smart way of expanding your living space even further.
Maximum Height Allowed
The maximum height of prefab homes in California is 16 feet. These are the detached versions of the accessory dwelling units. The attached versions, on the other hand, can go up to 25 feet to match the roof of the primary dwelling. In any case, your ADU must not be higher than the overall height of your main house.
Setback Requirements
The rear and side setbacks from the main house should be 4 feet. The setbacks should be even higher than 4 feet when the street side is considered. Attached and conversion ADUs are not subject to such restrictions, as they seem to be a part of your primary dwelling.
Parking Requirements
Separate parking is not required for your ADU until or unless there is no public transit within half a mile. Moreover, you don't need separate parking for junior and conversion ADUs either. If you are converting a garage into an ADU, you don't need to replace the garage with another parking space according to the California ADU law.
Permit Process
The permit process, from the time of submission, takes around 60 days to complete. The period depends upon the quality of the design and how well you have managed to fulfill Huntington Beach ADU requirements. Before you submit the application, there is a non-refundable permit fee that you will have to pay in order to process the application.
Fire Sprinklers
Fire sprinklers are not necessary unless they are required for the primary dwelling as well. Although your ADU would work without any fire safety, we won't recommend you leave it as it is, especially if you are building a detached ADU that has no connection with the main house.
Utility Connections
Utility connections for your detached ADU would be different from your primary dwelling. A separate meter will be used to power the ADU, which will help distribute the power equally. Moreover, if you opt for a private sewage system, make sure to get it reviewed by the local health officer.
Design Review
The design of your tiny home kits should be according to the limitations set by the California ADU Law. The number of bedrooms, bathrooms, and kitchens should be carefully managed to fit with the overall size of the primary dwelling. Your design will be reviewed before construction, and recommendations will be made if it's not according to the building codes provided by the State. Once the design is approved, you can begin the final construction.
Owner Occupancy
You are not required to occupy the ADU if you already have a primary dwelling on the property. All you need to do is to build one and earn quick profits through renting your ADU.
Renting of an ADU
Renting out your ADU in Huntington Beach is allowed, but only if the term is longer than 30 days. Shorter terms would be prohibited and will be counted as a violation of law.
Selling of an ADU
ADU in Huntington Beach cannot be sold separately. You can sell the ADU while selling the primary dwelling, as the value of your ADU will be compensated in the overall value of the house.
Why ADUs Are a Smart Investment in Huntington Beach
With rising housing costs and a growing need for flexible living arrangements, ADUs provide an excellent opportunity for homeowners to expand their property’s functionality. Whether used as a rental unit, guest house, or workspace, an ADU increases property value and maximizes underutilized space. Huntington Beach ADU requirements are designed to make construction accessible while maintaining community standards.
Homeowners looking for additional space but not ready for a full ADU project may consider alternatives such as a backyard WorkPod, which provides a private office or retreat without requiring extensive permits or utility hookups. By understanding the regulations and weighing all available options, Huntington Beach residents can make informed decisions about adding an ADU or workspace to their property.
Backyard Office Solutions in Huntington Beach
For Huntington Beach homeowners who need additional workspace without the complexity of building an ADU in Huntington Beach, the Autonomous WorkPod offers a perfect solution. Unlike a full accessory dwelling unit, a WorkPod does not require extensive permitting or major utility connections, making it an attractive alternative for those looking for a home office, creative space, or quiet retreat. With its modern design, climate control, and sound insulation, a WorkPod provides a comfortable, distraction-free environment right in your backyard.
Huntington Beach’s coastal lifestyle blends work and relaxation, and a WorkPod helps residents maintain that balance. Whether you’re a remote worker, a freelancer, or someone who needs a dedicated space for focus, the Autonomous WorkPod lineup offers various models to fit different needs.
WorkPod – A Ready-to-Use Backyard Office
The Autonomous WorkPod is a fully assembled, plug-and-play unit designed as an instant backyard office. It comes with sound insulation, built-in electrical outlets, and climate control, ensuring a quiet, productive workspace. The WorkPod's sleek, modern design blends seamlessly into most Huntington Beach backyards, providing a professional workspace without the distractions of home life.
One of the key advantages of this office pod is its quick setup. Unlike an ADU, which requires city permits, utility hookups, and months of construction, a WorkPod is delivered ready for use. It offers a cost-effective solution for those who work from home and need a dedicated, enclosed office to enhance productivity.
For Huntington Beach homeowners with limited backyard space, the WorkPod is compact yet functional. It’s large enough to fit a desk, chair, and storage, creating an ergonomic workspace that can be used year-round. With built-in power outlets and connectivity options, it’s an excellent choice for remote workers, content creators, and professionals needing an affordable office alternative.
WorkPod
97 reviews| Overall size | 8.5’W x 12’L x 11’H |
| Floorspace | 102 square feet |
| Ceiling height | 6.8’ to 9.3’ |
| Weight capacity | 2.9 tons |
| Door & Window dimensions, material (include glass) | Main door: 7.5’W x 6.8'H 3 windows: 1.1’W x 7.9’H Window material: Wooden frame, 5/16” tempered glass, composite wood cover Door material: Anodized aluminum frame, 5/16” tempered glass |
| Siding, roof, floor & balcony material | Siding: Plywood 1/2”, wooden frame, honeycomb paper, plywood 3/8”, bitume, housewrap, vinyl siding Roof: Roof shingles Floor: Plywood Balcony: Composite wood |
| Electrical devices | 1 RCB (Residual current breaker) 3 Wall outlet (Universal wall sockets) 1 Ceiling light switch 1 Ceiling light 1 Ventilator switch 1 Ventilator 66ft power cable with 2 connectors |
| Power input | Maximum voltage: 110V AC (US standard) Maximum current: 25A Maximum power dissipation: 2750W |
| Interior furniture | Unfurnished option: 1 Bookshelf, 1 Electrical Cabinet Furnished option: 1 SmartDesk Connect, 1 Autonomous Chair Ultra, 1 Monitor Arm, 1 Cable Tray, 1 Filing Cabinet, 1 Anti-Fatigue Mat, 1 Bookshelf, 1 Electrical Cabinet |
| Compatible with | Portable air conditioner: A/C units with dimensions smaller than 22” L x 20” W x 88” H and a 5.9” vent hole diameter will fit well. Heater: A small personal heater is more than sufficient. |
"I did a lot of research before contacting the sales team. The representative was incredibly helpful, which led me to decide to make the purchase. The process from order to delivery was extremely fast. The assembly was also easy, with the WorkPod being completed in just 3 days by their contractors. I love the result and can't wait to move my office in there!" - Rachael T.
"I'm impressed by the WorkPod's design and functionality." - William H.
"The WorkPod's privacy features make it easy to take important calls or have virtual meetings without interruptions."- Ben D.
WorkPod Versatile – A Multi-Use Space for Work and Leisure
For those who need more than just an office, the WorkPod Versatile offers greater flexibility. This model is designed for both work and relaxation, making it ideal for homeowners who want a multi-functional retreat in their backyard.
The WorkPod Versatile can be used as a home office, gym, creative studio, or even a meditation space. Its spacious interior allows for a customizable setup, letting homeowners personalize it to fit their specific needs. Huntington Beach residents who enjoy surfing, yoga, or music can use the Versatile model as a private escape, separate from their main house.
Its soundproofing and climate control make it comfortable for year-round use, even during the warm Huntington Beach summers. With floor-to-ceiling windows, it brings in natural light while maintaining privacy, making it a modern, stylish addition to any backyard.
For homeowners who want a work-life balance without investing in a full ADU, this backyard studio is a great alternative. It provides privacy and separation without the need for extensive permitting, offering a cost-effective way to create a dedicated workspace or relaxation area.
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WorkPod Versatile
54 reviews| Overall size | 8’4”W x 12’6”L x 9’10”H |
| Floorspace | 105 square feet |
| Ceiling height | 7’3” |
| Weight capacity | 2.9 tons |
| Pedestal | 18”W x 43”L x 7”H |
| Door & Window dimensions, material (include glass) | Main door: 39”W x 89”H Large window: 59”W x 81”H Small window: 39”W x 39”H Window & door material: Powder coated aluminum, 5/16” tempered glass |
| Siding, roof, floor & balcony material | Siding: Plywood 1/2”, steel frame, honeycomb paper, plywood 3/8”, bitume, housewrap, vinyl siding Roof: Roof shingles Floor: Plywood Pedestal: Steel frame & wood plastic composite |
| Electrical devices | 1 RCB (Residual current breaker) |
| Power input | Maximum voltage: 110V AC (US standard) Maximum current: 25A Maximum power dissipation: 2750W |
| Furniture (optional) | Cabinet, Desk, Small & Big Bookshelf, TV Shelf, Foldable Sofa Table & Electrical Cabinet* (*Electrical Cabinet always included) |
"The StudioPod has been a remarkable addition to my backyard. Its design and functionality create an inspiring workspace that's truly a game-changer."- Keith H.
"What I really love about the StudioPod is it's multi-purpose. You can use it for work, it has a good desk, plenty of storage space. You can use it for playing video games, watching games, being noisy without disturbing family life. You can also extend it and use for having people sleeping over!" - Jaime H.
"Excellent customer service for StudioPod. Quick responses."- Matthew C.
"The StudioPod's ergonomic chair provides excellent support for long hours of work."- Marcus D.
WorkPod Solar – A Sustainable, Energy-Efficient Office
Huntington Beach is known for its sunny climate, making the WorkPod Solar an excellent eco-friendly workspace for homeowners who want to reduce their energy consumption. This model is equipped with solar panels, allowing homeowners to power their office using renewable energy.
The WorkPod Solar retains all the features of the standard WorkPod, including sound insulation, climate control, and built-in electrical outlets, but with the added benefit of energy independence. It’s a perfect choice for environmentally conscious homeowners who want to reduce their electricity bills while maintaining a highly functional backyard workspace.
For Huntington Beach residents who work remotely and want a self-sustaining home office, the WorkPod Solar is a smart investment. It eliminates concerns about increasing utility costs, providing a green solution that aligns with California’s sustainability goals.
WorkPod Solar
118 reviews| Solar panel | System size: 70.7" x 138.5" x 4.7"~5.5" Number of solar panels: 3pcs Solar panel size: 67.8" × 44.6" × 1.18" Solar panel weight: 46.7lbs Solar Cell: 108pcs Maximum Rating Power: 430W Module Efficiency: 0.22 Operating Temperature: −40 °F to +185 °F |
| Inverter | Inverter size: 17.9" x 13.8" x 5.1" Inverter weight: 25.4lbs Maximum Rating Power: 3000W Maximum Efficiency: 0.93 AC output: 120V Output frequency: 50/60Hz Operating Temperature: 32 °F to +132 °F |
| Battery Cabinet | Battery cabinet size: 15.8" x 23.7" x 21.7" Number of Battery: 2pcs Battery size (1pc): 5.6" x 18.5" x 17.2" Battery weight (1pc): 99lbs Battery capacity: 10.2kWh Voltage: 48V Cell type: LiFePo4 Internal resistance: ≤ 40mΩ Operating Temperature: −4 °F to +140 °F |
| Dimension | Overall size: 8.5’W x 12’L x 11’H Gross floor area - GFA (Including external walls): 102 square feet Ceiling height: 6.8’ to 9.3’ Weight capacity: 2.9 tons |
| Door & Window dimensions, material (include glass) | Main door: 7.5’W x 6.8'H 3 Windows: 1.1’W x 7.9’H Window material: wooden frame, 5/16” tempered glass, composite wood cover Door material: anodized aluminum frame, 5/16” tempered glass |
| Siding, roof, floor & balcony material | Siding: plywood 1/2”, wooden frame, honeycomb paper, plywood 3/8”, bitume, housewrap, vinyl siding Roof: roof shingles Floor: plywood Balcony: composite wood |
| Electrical devices | 1 RCB (Residual current breaker) 3 (Universal wall sockets) Wall outlet 1 Ceiling light switch 1 Ceiling light 1 Ventilator switch 1 Ventilator 66ft power cable with 2 connectors |
| Power input | Maximum voltage: 110V AC (US standard) Maximum current: 25A Maximum power dissipation: 2750W |
| Interior furniture | Unfurnished option: 1 Bookshelf 1 Electrical Cabinet Furnished option: 1 SmartDesk 5 1 ErgoChair Ultra 2 1 Monitor Arm 1 Cable Tray 1 Filing Cabinet 1 Anti-Fatigue Mat 1 Bookshelf 1 Electrical Cabinet |
| Compatible with | Dreo Portable Air Conditioner: The best choice for WorkPod with: 12000 BTU fast cooling 16 feet long-range cooling 35-80° wide-angle auto swing 65-85°F cool 30%-80% humidity setting 4 levels of fan 46 dB quiet working Drainage-free in cool mode 3-in-1 mode with cool, fan, and dehumidifier Large LED display Touchpad/APP/Voice/Remote control Works with Alexa & Google Assistant White color Heater: A small personal heater is more than sufficient. |
Optimize every square foot of your 102 sq. ft. WorkPod Solar for maximum productivity and comfort.
Go green and achieve more with a workspace that works as hard as you do—all powered by the sun.
Ergonomic design meets functional innovation. Feel at ease and focused in your personal office.
From energy systems to installation, WorkPod Solar is designed to let you focus on what you do best.
WorkPod mini – A Compact Solution for Small Backyards
For those with limited outdoor space, the WorkPod mini offers a compact yet highly functional alternative. This model is designed for homeowners who need a small workspace without sacrificing comfort or productivity.
Despite its smaller footprint, the WorkPod mini includes all the essential features of its larger counterparts, including sound insulation, electrical outlets, and climate control. It’s an ideal choice for part-time remote workers, students, or hobbyists who need a private space but don’t require a full-sized office.
It fits seamlessly into smaller Huntington Beach yards while still providing a distraction-free environment. It’s a practical option for those who occasionally work from home and need an affordable, ready-to-use backyard office.
WorkPod mini
8 reviews| Dimension | Overall size: 8’7"W x 9’L x 9’3"H Floorspace: 80 square feet Ceiling height: 7’3" Weight capacity: 2.3 tons (including Pod body) Pedestal: 24"W x 103"L x 9"H |
| Door & Window dimensions, material (include glass) | Main door: 37"W x 89"H (open side) & 33"W x 89"H (fixed side) Window: 43"W x 20"H Window & door material: Powder coated aluminum, 5/16" tempered glass |
| Siding, roof, floor & balcony material | Siding: Plywood 1/2" , steel frame, honeycomb paper, plywood 3/8", bitume, housewrap, vinyl siding Roof: Metal roofing Floor: Plywood Balcony & Pedestal: Steel frame & wood plastic composite |
| Electrical devices | 1 RCB (Residual current breaker) 2 Wall outlet (Universal wall sockets) 1 Ceiling light switch 1 Ceiling light 1 Wall light 1 Ethernet wall port 66ft power cable with 2 connectors |
| Power input | Maximum voltage: 110V AC (US standard) Maximum current: 25A Maximum power dissipation: 2750W |
"Would prefer it. Love the way it fits right into my backyard space. Actually the material & design looks better than my expectation. Would prefer it to my network."- Alejandro B.
"A perfect fit for our tight backyard space. We love how this allowed us to get extra space without the headache of going through permits or renovation costs. The Pod Lite is small enough to not be considered an ADU that requires permitting and clearance from the city, which is amazing. Such an innovative solution, especially as more people are working from home now. It’s going to be our new office space!" - Katie S.
"Very worth it. The WorkPod Lite surpassed my expectations with its faithful resemblance to the website's depiction. Its design is not only visually consistent but also surprisingly spacious. The material is also very sturdy and weather resistance."- Hee-Sang L.
"The WorkPod Lite is a fantastic buy! Despite a slightly delayed delivery, it effortlessly nestled into my compact backyard. Quick assembly had it up and running within days. Highly recommended!"- Meredith H.
Final Thoughts
In conclusion, understanding the laws and requirements for Accessory Dwelling Units (ADUs) in Huntington Beach is crucial for homeowners looking to create extra living spaces. By navigating these regulations, residents can unlock the potential for versatile and legal additional accommodations, contributing to the city's housing landscape while adhering to established guidelines.
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