Check Out These 24 Companies That Make ADU Kits

Sarah and Vin are one of many Shelter Solutions customers that are benefiting financially from having Shelter Solutions LLC design a build an ADU for them. Assess your property and handle permits for a seamless process. Building an ADU is a significant project, and it’s natural to have questions about zoning, financing, and timelines. Here are the answers to the most common inquiries homeowners in Wilmington and New Hanover County ask before breaking ground. We start by analyzing your property against City of Wilmington or County regulations. We verify setbacks, impervious surface limits, and zoning allowances to confirm exactly what fits on your lot.

Why Should Homeowners Build an ADU in Los Angeles?

We coordinate the necessary documents and work through the permitting process with the applicable local agencies. Every ADU project starts with understanding your property and your goals. We evaluate your available space, existing structures, access, utilities, and other important site considerations to help determine what type of ADU may work best for you. What sets ADU Design and Build apart is its dedication to sustainability and quality craftsmanship. Whether it’s incorporating solar panels or using high-quality, energy-efficient materials, this company ensures that your ADU kit will be environmentally friendly and built to last. The company offers customizable kits, all of which have lovely standard features including red cedar sidings.

Best Cities & Counties to Build an ADU in Tennessee

This isn’t a stack of materials, and it’s not a pre-built box. You get precision-engineered panels that arrive ready to assemble, along with drawings that guide the process from day one. Whatever your goal, you can choose a kit designed to support it. Now you need a way to build on it without delays, cost overruns, or guesswork. At ADU4L4SS, honesty and reliability are the cornerstones of our work. We know trust is key in every ADU project, and we’re committed to being clear, dependable, and upfront throughout the process.

Upskilling Planners

The research to date does not support fears about lower property values or parking shortages. Georgia Accessory Dwelling Unit laws and zoning regulations can be complex. Our team assesses your lot for compatibility and works directly with local zoning departments to secure all necessary approvals and help you navigate the permit process.

Design

• Los Angeles ADU Solutions designs and builds Accessory Dwelling Units in Los Angeles.
• Have you decided to change the tiles on the roof to better fit your main house?
• Browse our ready-to-go ADU plans and pick a style that fits your vision.
• The ADU Pro® (CSLB # ) is the #1 rated ADU contractor in Orange County.
• Each company brings unique strengths to the prefab ADU market, so be sure to weigh these differences against your site conditions, timeline goals, and long-term plans.
• As long as you meet the established guidelines, you can build an accessory dwelling in LA by submitting plans to the building department and obtaining a permit.
• Many communities in northeastern Illinois have updated their ordinances in recent years, but there’s no statewide coverage requirement.
• We confirm code steps, organize trades for plumbing, electrical, and kitchen fit-outs, and protect your property.
• This includes the design, plans, permits, build, and lastly the final sign-off by the city.
• From start to finish, their team was incredibly professional and efficient.
• Unlike a standard ADU, a JADU shares a wall with the primary dwelling and requires an efficiency kitchen rather than a full kitchen.
• We incorporate your preferences while maximizing space, functionality, and value.
• This Garage Conversion process adds a lot of value to your property in Los Angeles.

Most well-built ADUs pay off their construction cost within 6–10 years, then generate pure cash flow — plus the long-term property value increase of $100,000–$250,000. Los Angeles ADU Solutions offers an ADU Site Assessment service. This service provides a detailed analysis of a Los Angeles property’s potential for an Accessory Dwelling Unit.

Custom ADU Solutions Designed for Your Property

Eastern ADUs uses a site-built method, constructing the unit entirely on-site. This approach allows for greater customization to fit your property and design preferences leading better quality control and higher appraisal values. ADUs are a powerful investment strategy, whether you’re looking to generate long-term rental income, capitalize on short-term stays, or increase property resale value. ADUs created by transforming existing spaces such as garages, basements, or other structures on the property. Beyond pulling permits and building to code, we have earned the reputation of being the green energy and green-conscious contractors of Southern California.

Accessory Dwelling Units (ADUs)

We prioritize high-quality craftsmanship, clear communication, and tailored solutions to deliver an ADU that exceeds your expectations. Work with experienced professionals who can guide you through each phase and avoid costly missteps. Offer your loved ones a quiet, accessible home to call their own, close to family, yet designed to support their independence. The ADU Pro® serves homeowners in Orange County, Los Angeles County, Riverside County, San Bernardino County, and San Diego County, California. Everything homeowners in Orange County, LA County, Riverside County, San Bernardino County, and San Diego County need to know about building an ADU.

Consultation & Design Selection

Additionally, she shows appreciation for Shelter Solution’s attention to detail, authentic and approachable team, and collaborative nature throughout the entire project. The timeline for our turnkey ADU service is approximately 8 to 12 months from start to finish. This includes a preconstruction period, during which we conduct a feasibility study, survey, site planning, and handle permitting.

Mighty Small Homes

Our team specializes in navigating Los Angeles’ unique building regulations to create beautiful, functional living spaces that maximize your property’s potential. A Detached ADU means building a separate living unit on your property. This unit is completely independent of your main house structure.

What size limits apply to ADUs in Illinois?

This is important because Phoenix has specific rules for ADU size limits and setbacks.Phoenix ADU Solutions, Inc. provides ADU Design services for homes in Phoenix, Arizona. At ADU4LESS, we make the ADU process simple, affordable, and stress-free. We handle everything—from design and permits to construction—so you’re not juggling multiple contractors. Our ADUs are high-quality, energy-efficient, and built to last—without breaking your budget.

• Feet (22.23 sq. meters) to a mini-mansion of 2,904 square feet (269.79 square meters).
• The existing structure significantly reduces construction costs while still delivering a fully permitted, code-compliant living space with its own kitchen and bathroom.
• Deep knowledge of building codes across OC, LA, Riverside, San Bernardino, and San Diego County means faster permit approvals, zero compliance surprises, and a fully certified final build.
• Yes, adu plans translate lifestyle goals into adu homes with practical kitchen designs, bedroom privacy, and right-sized sqft.
• This experience has led us to become the leading Southern CA home builders.
• A well-established California company that’s been going since 2005, KitHAUS specializes in prefab modules that are ideal for ADUs.
• This collection catalogs resources that provide background and policy guidance, as well as examples of local regulations, that address short-term residential rentals.
• These solutions promise simplified processes, quicker installations, and clear pricing for the unit itself.
• I couldn’t be happier with the work Go ADU did on my garage conversion.
• From the initial concept to final blueprint, we provide innovative solutions that are tailored specifically to your goals and the functionality of the space.
• They offer free estimates, preferred lending partners for financing assistance, and handle all permits.
• ADUs or Accessory Dwelling Units are the most in-demand construction projects of 2022.

Proudly Serving Phoenix and the Surrounding Area

With over 35 years of experience in residential construction, Tony has built a trusted reputation for quality craftsmanship, clear communication, and on-time project completion. From custom homes and renovations to remodeling and additions, Tony and his team take pride in delivering quality product on a timely basis. Since 2020, we’ve focused exclusively on designing, permitting, and building over 100 ADUs in San Diego. Our deep experience means we catch what others might miss, and our in-house team ensures every promise is delivered. However, typical proposals suggest an all-in cost of about $260K for a 750 square foot two-bedroom ADU and around $300K for a 950 square foot three-bedroom ADU. Final costs include delivery, setup, stairs, skirting, utilities, grading, permits, and management.

ADU4LESS / Management

• According to the company, building contractors assemble most of their cabin and home kits.
• Our team has the expertise to navigate the permitting process, ensuring your project complies with all local laws and regulations.
• Everything you need to build the shell is in the kit, but not doors and windows.
• Tom loves spending time with his family and lives in southern New Hampshire with his wife – Sarah, their son – Maxwell, and their dog Penny.
• The bedroom features a spacious walk-in closet and a private bathroom for convenience and privacy.
• As a teenager, Tom was hired by his uncle, Tony, to help clean up the job sites and perform general carpentry tasks.
• We review design, floor plans, space, bedrooms, and a bathroom or second bathroom, then scope construction, building timelines, and sqft.
• Whether your goal is rental income, housing for family, or increasing property value, our platform transforms your property’s potential into a clear, actionable path forward.
• A Detached ADU means building a separate living unit on your property.
• A well-located ADU in Irvine or Newport Beach can earn $2,500–$4,000/month.
• We’ll also take a closer look at your property to determine the best location for the ADU.
• Our team provides a comprehensive feasibility check to get you started on the right foot—at no cost to you.

In Business & Managerial Economics from the University of California, Davis, and is passionate about helping homeowners make informed decisions before starting their ADU project. Additionally, many prefab ADU companies advertise fast timelines, sometimes as short as six months from start to finish. In reality, permitting timelines in cities like San Diego often take longer than what’s promised on marketing materials. Prefab or modular ADUs are appealing for their faster on-site assembly and simplified process. These solutions are ideal for homeowners with straightforward lots where a standard design fits easily.

Special Offers

This Garage Conversion process adds a lot of value to your property in Los Angeles. It also gives you more living space without making your building footprint bigger. We understand the specific rules for ADUs in Los Angeles, including zoning and permit requirements. Converting a garage into an ADU is often a cost-effective choice because it uses the existing foundation and walls. Los Angeles ADU Solutions provides Garage Conversion services for homes in Los Angeles, CA. Build smarter with Pros ADU Builders – your go-to team for Accessory Dwelling Units, garage conversions, in-law suites, and backyard cottages.

An Accessory Dwelling Unit (ADU) is a secondary housing unit on a single-family residential lot. ADUs provide additional living space, increase property value, and offer rental income opportunities. When planning an accessory dwelling unit, one of the first decisions is how to organize the design, permitting, and construction work. With ADU design-build, one company manages the full project under an integrated process. Phoenix ADU Solutions, Inc. handles the full ADU Permitting process in Phoenix, AZ. This starts from the first application and goes all the way to the final approval for your Accessory Dwelling Unit.

These amnesty programs may waive permitting and inspection fees in exchange for owners registering their units, and they typically expire within a year or two of adoption. Los Angeles ADU Solutions designs and builds Accessory Dwelling Units in Los Angeles. We make sure these Accessory Dwelling Units are compliant with all local Los Angeles building codes. Our Accessory Dwelling Units add value to your property and give you more flexibility in Los Angeles.

Financing Guidance

Los Angeles ADU Solutions connects you with these options.For Los Angeles homes, Los Angeles ADU Solutions is here for all your ADU Financing needs. Some tie ADU size to a percentage of the primary home’s floor area; others set a fixed square footage maximum. Check your local zoning ordinance for the number that applies to your specific lot and zone.

Build Faster. Use Less Energy. Get More From Your Property.

An ADU that shares one or more walls with the primary residence. By leveraging existing structure, attached ADUs reduce construction costs while adding valuable living space that integrates adu housing for sale seamlessly with the main home. From design to permits to final walkthrough, we manage every step. You get a single point of contact and a seamless, stress-free building experience.

We incorporate eco-friendly materials and practices into every project, ensuring that your space is not only functional and beautiful but also future-ready and environmentally responsible. We offer guidance on finding the right ADU loan and financing strategies to fund your project without stress. Our ADU design team works closely with each client to create adaptable layouts that fit your site, lifestyle, and goals.

• It gives you a clear plan to move forward.Phoenix ADU Solutions, Inc. provides ADU Site Assessment services for homes in Phoenix, Arizona.
• Our reputation is built on honest work, clear communication, and results that hold up over time.
• Assess your property and handle permits for a seamless process.
• If you want classic metal roofing, you’re also going to have to pay more.
• Homeowners intending to build an ADU for vacation rentals should carefully review local regulations before beginning construction to ensure they comply with zoning and rental rules in their area.
• The modern minimalist style emphasizes clean lines, open spaces, and a lack of clutter.
• With over 35 years of experience in residential construction, Tony has built a trusted reputation for quality craftsmanship, clear communication, and on-time project completion.
• Ft. unit changes the layout, increasing the size of every part of the home.
• At GatherADU, we specialize exclusively in ADU construction throughout Los Angeles County.
• Our licensed builders work quickly and efficiently to complete your ADU on time and within budget.
• ADUs provide a way for seniors to remain close to family members while maintaining their independence.
• We provide expert assistance in setting up your STR listing to ensure your property attracts guests quickly and effectively.
• Side and rear setbacks of 5 feet are common, though this varies by jurisdiction and zone.
• Also known as tiny home, granny flat, in-law unit, or garage apartment.

With this loan you use the equity from the property you already own, which means most homeowners can put ‘zero’ down on an ADU and start generating passive income with a low monthly payment. Building a stick built home usually takes months of planning and finding contractors. Our team manages the entire project lifecycle—from navigating New Hanover County zoning laws to handing you the keys—so you can focus on the result, not the red tape. Before construction begins, your plans must go through the appropriate review and approval process.

Quality and Perfomance

An accessory Dwelling Unit (ADU) is a seperate living space on the same property as a primary home. ADUs can provide additional space for family, guests, rental income, or long term flexibility. Deltec Homes, based in North Carolina, specializes in intriguing custom roundhouses that are available in prefabricated kits. Because there are no load-bearing walls inside these homes, floor plans are all totally custom. Customizable design options make creating an ADU that meets all your needs easy. From floor plans and finishes to unique, custom features, our team will work with you every step of the way to ensure you’re getting exactly what you’re looking for.

The ADU 550 2-Bedroom Suite

However, if homeowners build an ADU and move into it while renting out their original home, rent control will apply to the main residence, provided it was built before 1978. This is because the addition of the ADU changes the property’s classification, eliminating the single-family home exemption. The company also supplies step-by-step plans that enable customers to create their own tiny ADU homes. If you have the building experience, you can do it on your own. An ADU offers homeowners the opportunity to create a rental unit on their property for additional income without needing to build on or purchase a secondary residential lot.

Contact us today to schedule your free consultation and take the first step toward transforming your property. California is home to many multi-generational families who value being close to loved ones but need separate spaces for independence. With an ADU or mother-in-law suite, you can provide privacy for aging parents or adult children without the stress of purchasing a new home. Set a realistic budget that reflects your goals, build method, and finish level to avoid scope changes later.

Some companies focus on speed and simplicity, while others offer broader model selections or support for DIY installation. In contrast, stick-built ADUs are fully customized and constructed on-site. This method allows for flexibility in layout, design features, and site adaptation. It is often the preferred approach for larger ADUs or when properties have slopes, tight access, or unique zoning challenges.

Volstrukt uses computer-aided design for the ADU kits, which range in size from 240 sq. Feet (22.23 sq. meters) to a mini-mansion of 2,904 square feet (269.79 square meters). First, you ask them to analyze your property and permit requirements. Then they will develop the best design for your needs and/or property. Known today as Accessory Dwelling Units, or ADUs, they were once called mother-in-law suites, in-law units, secondary units, and backyard cottages.

They’re a great way to maximize your property’s potential, especially on a smaller lot. This guide will dive into everything you need to know about stacked ADUs,… We’ll assess your property, discuss your goals, and provide a detailed estimate – all at no cost. Complete breakdown of garage conversion ADU costs in Los Angeles for 2026. Single-car ($80K-$120K), two-car ($100K-$160K), and three-car ($140K-$200K) … Our most trusted resources to help you navigate ADU costs, regulations, and design decisions across California and beyond.

Typically, manufactured ADUs are built entirely off site and then shipped and craned-in, while modular ADUs have large pieces built off-site and then fully assembled on-site. This model can reduce the on-site construction timeline and offer a more streamlined process compared to traditional stick-built construction. The companies below are among the most recognized prefab ADU providers serving San Diego and broader California markets.

• Crest Backyard Homes specializes in modular ADUs sized between 450 square feet and 1200 square feet.
• Nashville, for example, already permits detached accessory dwelling units (DADUs) in select zoning districts, and other cities are exploring streamlined paths for ADU design and permitting.
• The company produces ADU kits made with precision-engineered, lightweight steel frames.
• This initial ADU Site Assessment step clarifies if an ADU project is possible and finds any immediate challenges.
• There were a couple of hiccups, but they were quick to let me know and always had a plan to keep things moving.The final result looks great—exactly what I was hoping for.
• He walked off the job and I was overwhelmed because construction wasn’t my lane of expertise.
• We know trust is key in every ADU project, and we’re committed to being clear, dependable, and upfront throughout the process.
• Home to the University of Tennessee and a growing tech-and-outdoors economy, Knoxville offers consistent rental demand and a supportive housing landscape.
• We adhere to local building codes and regulations, using high-quality materials and skilled craftsmanship.
• This often includes adding a bedroom, a bathroom, and a small kitchen area.
• Some companies or professionals handle both roles, offering turnkey solutions where they manage the entire ADU project from start to finish.
• This is because potential buyers see the addition of an ADU as an instant source of additional income.

Our licensed architect collaborates with you to develop a custom design using 3D modeling, ensuring your vision is brought to life. We start with a free 30-minute phone consultation to discuss your project, assess your needs, and provide an initial estimate. Power, water, sewer/septic planning is where projects can stall—we help coordinate the path forward.

• Of the prefab companies compared here, they are one of the more affordable options.
• By signing up, you’ll receive guided support through every step—from zoning and feasibility to design planning, permitting, and contractor matching.
• They also offer design services and will customize small homes and ADUs for customers.
• Our process begins with an in-depth project analysis, followed by  tailored ADU design and engineering.
• Rustic designs often feature elements like exposed beams, barn doors, and vintage fixtures, making them perfect for those who love a homey, farmhouse aesthetic.
• Our projects are designed with long-term value in mind, ensuring your investment appreciates over time.
• At Curated ADU Homes and Additions, we specialize in creating versatile Accessory Dwelling Units (ADUs) throughout Georgia, tailored to meet your needs.
• The California government has recognized the potential of ADUs in addressing the housing crisis and has enacted legislation to make their construction easier and more appealing.
• An ADU is one of the highest-returning investments a Southern California homeowner can make.
• Los Angeles ADU Solutions connects you with these options.For Los Angeles homes, Los Angeles ADU Solutions is here for all your ADU Financing needs.
• We currently offer eightproven layouts, ranging from efficient studios to spacious two-bedroom homes.
• The ADU Pro® serves homeowners across Orange County, Los Angeles County, Riverside County, San Bernardino County, and San Diego County.
• New construction is the simplest approach if your property has the space.
• After construction, we perform a final inspection to guarantee compliance with safety and regulatory standards.
• He understood our point of view, was knowledge and helpful, and got the ADU finished and permitted.
• If it fits the law and local regulations, we will be excited to bring it to reality.
• By adding an ADU to your property, you could easily increase your property’s value by hundreds of thousands of dollars.

Whether it’s rental income, family space, or future flexibility, we’ll help design an ADU to make the most of your property. ADU Construction Management means we watch over your Accessory Dwelling Unit project from the start to the end. This includes the first design review all the way through to the final inspection and when you get to use the ADU. It also makes sure the ADU follows all the Los Angeles building codes and meets what you want for how it will look and how you will use it. Los Angeles ADU Solutions provides ADU Construction Management services for homes in Los Angeles, California.

All the more reason to connect with our Southern CA home builders for ADU construction! With Southern California’s rental rates you could easily offset your mortgage payments with the additional income. One of the toughest goals to accomplish when building anything is dealing with the city regulations. Our years of experience as top contractors in Southern California have given us the ability to navigate this with ease.

With rapid population growth and a booming tourism and creative economy, Nashville offers excellent accessory dwelling unit rental potential. DADUs are permitted in several zoning districts, giving homeowners room to expand. Our prefabricated ADU models provide a seamless, customizable way to build a backyard guest house or tiny home tailored to your preferences.

We also offer customized plans for Detached ADUs, Attached ADUs, Detached Garages, Pool Houses, Carriage Houses, and Guest Houses. APEX ADU Builders is a full-service company that specializes in helping homeowners build accessory dwelling units in Los Angeles. An adu builder converts adu designs into buildable drawings, then sequences additions or renovation stages that satisfy california codes.

We visit your property, evaluate your site, and discuss your goals, budget, and timeline. Our streamlined four-step process takes the complexity out of ADU construction. Whether you’re building from the ground up or converting existing space, we have the expertise and experience to deliver.