Madison ADU Builders


Serviced ZIP codes: 95627, 95653

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      The calculations are approximate based on the Big Data
      A+ Construction Research 2023 Ⓒ

      Our Latest ADU Projects

      Our Process



      Schedule a Virtual or an In-House Consultation with our Remodeling Consultants to discuss the scope of your project. Answer a few questions about your construction goals so we can start working on an estimate.



      Come in for an appointment to our Designer Showroom. We will go over our detailed estimate, make any adjustments, review the designs, talk about our process and take a look at the materials.



      We sign a contract and get the ball rolling. You will meet with our Designer to finalize the designs. In the meantime, our experienced team will take care of the permit process and all the legal paperwork.



      We incorporate digital technologies into our construction processes to be more efficient. You will receive regular updates from our production team in a personal chat, and will be able to ask any questions at any time.

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      Why Choose
      A+ Construction & Remodeling?


      We provide clear estimates that tell you exactly where your money is going.

      Timeframe & Schedule

      We provide an easy-to-follow schedule so you can see where your project is at and what is next, in real time.

      License & Warranty

      We are licensed, bonded and provide warranty on labor and materials because we believe it’s important for you to have a peace of mind.


      We have a streamlined communication system that includes your own personal chat with your entire team ready to answer your questions at any time.

      A+ Construction & Remodeling ADU Builders Proud to be recognized by

      BBB A+ Rating
      NKBA - The National Kitchen & Bath Association
      NARI - National Association of the Remodeling Industry
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      DR - Daily Republic News
      The Sacramento Bee News
      GoodDay Sacramento - CBS News
      YEC - Young Entrepreneur Council
      Renovate America
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      ADU Calculator

      What type of ADU Construction are you looking for?

      Structure conversion
      Please select what the ADU will contain:
      Living room
      Walk-in closet
      Master bedroom
      Raised foundation
      Sliding doors
      Craft room
      Slab foundation
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        Building accessory dwelling units has become one of the trends among homeowners in California. These tiny homes, also called secondary units or granny flats, can serve a lot of purposes and bring plenty of benefits. Read further to find out why you should work on your ADU project with professional ADU contractors at A+ Construction & Remodeling.

        ADU Builders Madison, CA

        The services of professional ADU builders can give property owners quite a few advantages. First of all, you don’t have to spend all your free time on the construction site. Instead, you can be focused on your work and family time while an ADU project successfully goes on under the control of the professionals.

        Second of all, the costs of building even one ADU can be reduced when there are no mistakes, and everything goes according to plan. With an expert engineering team and construction crew, no mistakes will be made, therefore, eliminating any chances of extra financing from your side.

        What is more, when you trust the ADU development to the experienced builders, they will get everything done much faster. With high levels of communication between different specialists of A+, all the steps are coordinated to make the process faster.

        ADU Contractor Madison, CA

        For the construction of high-quality accessory dwelling units, contact A+ Construction & Remodeling. Our employees acquire an extensive knowledge of all the major and innovative trends in the industry. Many years of experience allowed our team to develop outstanding skills in planning, design, architecture, and construction.

        If you are interested in why our clients choose to create their ADUs with A+, you can take a look at the photos in our portfolio. Whether you want to convert an existing space into something useful or wish to have a brand-new ADU of your style, we will find ways to construct it in the best way for you.

        ADU Contractor Building Types

        Accessory dwelling units are located on the same lot as the primary dwelling. They are smaller in size than a standard home but still provide a lot of living space.

        Here are some of the most popular ADU types built in Yolo county:

        • Detached ADU;
        • Attached ADU;
        • Junior ADU;
        • Converted ADU.

        A homeowner can choose a particular kind of ADU depending on their needs and the purposes of creating the ADU. All in all, accessory dwelling units vary depending on their proximity to the primary residence and the size of the construction.

        ADU Unit Construction Madison

        Once the company starts working on the architecture of your ADU in Yolo county, the development of the plans begins. All the single-family and multifamily lots have their specificities that need to be taken into account during the creation of an ADU. For converted ADUs, the features of the existing space are also considered.

        Once the architect finishes with the planning, projects go to the city officials for approval. If your ADU is planned according to the law, a building permit is received. Then the construction can officially start.

        Benefits of ADU Building

        Building an ADU on your property in Madison can bring you the following advantages:

        1. Expanded living area;
        2. An additional source of income, in case of renting the ADU out;
        3. The increased cost of your property;
        4. A variety of usage options (guest house, home office, personal studio, or gym);
        5. More privacy to your family members.


        Madison ADU Construction Company

        ADU housing is one of the modern solutions that can be implemented in any city. With completed projects all over California, A+ has gained the support of hundreds of customers who have trusted the design and implementation of their ADUs with our team.

        We are offering various financing options to make the costs affordable for everyone. Still, we don’t go for low-quality materials just to reduce the cost. The safety of you and your family is a priority for us, and that is why each design is developed with great attention to detail.

        ADU Building Madison

        Homeowners who are planning to put an accessory dwelling unit on their property should know that the development of the ADU’s architecture must comply with local and state law. All the projects go through the procedure of receiving permits, and that is where the ADUs are checked for the requirements.

        Here are some of the law regulations for ADUs in California:

        • One accessory dwelling unit is allowed for single-family homes;
        • Every four existing residential units on multifamily properties are allowed to have one ADU;
        • In-law units must include fire sprinklers if the primary home has them;
        • The minimum size of an ADU is 150 sq ft;
        • The maximum size of ADU housing is 1,000 sq ft;
        • ADUs are subject to zoning regulations and 4 ft setbacks from rear and side property lines.

        The minimum lot size is not determined for Madison homeowners, meaning properties of any measurement can have ADUs allowed by the zoning requirements.

        A+ Construction & Remodeling Certifications

        INC. 5000 Ranking

        INC. 5000 Ranking

        EPA Certification

        EPA Certification

        LIC #1007869 CSLB

        LIC #1007869 CSLB

        Accreditation with BBB

        Accreditation with BBB

        Member of NKBA

        Member of NKBA

        Member of NARI

        Member of NARI

        What Makes A+ Construction & Remodeling Unique


        Our process is organized, streamlined and designed with you in mind.
        Benefits - CERTIFICATIONS


        We hold many awards and certifications in the industry.
        Benefits - BIGGER SAVINGS


        In-house team means vendor savings passed on to you.
        Benefits - DESIGNER SHOWROOM


        Professionally designed showroom with you in mind.
        Benefits - NO HIDDEN COSTS


        We provide detailed estimates showing you what you get for your money.
        Benefits - SUPERIOR PRODUCT


        Furniture-grade quality products at affordable prices.
        Benefits - TRUSTED SOURCES


        Our showroom carries the latest materials from trusted brands.
        Benefits - ECO FRIENDLY


        Our materials are eco-friendly and green certified.
        Benefits - NO PRESSURE SALES


        We want you to be confident in your decision, no pressure sales.


        Prefab ADU Construction

        Another option for those in Yolo county who don’t want to wait too long for their ADU is to get a prefabricated one. Such ADU design is created in advance, piece by piece, and then assembled right on your lot by our professionals.

        The costs of prefab projects are lower, making such ADUs another affordable option. Thus, you won’t have to deal with construction noise for a long time, and in the end, you’ll still receive a brand-new ADU. It’s truly a win-win situation.

        ADU Housing

        ADU housing in Madison, California, is a fantastic way of making the living area of your home bigger without doing any renovations to the primary dwelling. Moreover, ADUs are great for increasing your property value, which can be a big advantage in the housing market if you ever plan to sell your home.

        With A+ Construction & Remodeling, you can design an ADU that is made specifically to your needs and preferences. Just tell us about your wishes, and all the hard work will be done by the A+ ADU specialists.

        Contact A+ right now to start working on your ADU in Madison, CA, and receive an estimate of the project cost absolutely for free! Constructing an ADU is easier than you think when you have an expert help of A+ available.

        ADU Building Process Steps

        Our comprehensive ADU construction process includes permit ready set of plans, interior design, submittal services, removal of debris. We are committed to using only the highest quality materials, ensuring the longevity and value of your ADU. With our ADU Building Services: From initial design consultations to the final touches, we’re with you every step of the way.

        ADU Construction Process Steps

        Step 1. Permit ready set of plans: Architectural plans and engineering calculations, ready for a permit application. Step 2. Interior Design: Our expert team offers personalized design consultation to create a functional and stylish interior space. Step 3. Permit Submittal Services: We handle the hassle of permit submissions on your behalf, ensuring compliance with local regulations. Step 4. Removal of debris: Our efficient crew takes care of removing construction debris, maintaining a clean and safe work environment.

        ADU Construction Includes

        Please note that the contents of the package may vary depending on the specific terms outlined in the contract. While we strive to provide accurate and consistent packages, certain variations may occur based on the agreed-upon terms and conditions.
      • Concrete slab foundation: Enjoy a durable concrete slab foundation with proper grading and excavation for structural integrity.
      • Exterior covered porch: Create an inviting outdoor space for relaxation and entertainment.
      • Walls, partial vaulted/flat ceilings, 9′: Experience open and spacious living areas with customizable ceiling styles.
      • Gable style roof: Benefit from a classic and durable roof design that adds timeless appeal to your home.
      • Shingle type roof: Our high-quality shingles, along with gutters and downspouts, provide excellent protection and drainage.
      • Mini-split Dual zone: Achieve optimal comfort and energy efficiency with our dual-zone mini-split system.
      • Tank water heater: Enjoy a reliable water heater, conveniently housed in an outdoor galvanized water heater closet.
      • Electrical sub-panel: Ensure efficient power distribution with our electrical sub-panel, meeting all safety and code requirements.
      • Switches and outlets per code: We install switches and outlets throughout your home, adhering to electrical code standards.
      • Exterior entry doors 36×80: Enhance security and aesthetics with our high-quality exterior entry doors.
      • Standard-sized swing doors: Seamless transitions between rooms with stylish and functional doors.
      • Standard-sized interior closet doors: Maximize storage space with our efficient and visually appealing closet doors.
      • White vinyl windows: Enjoy energy-efficient windows that allow natural light to brighten your home while providing insulation.
      • Insulation per T24: Our construction includes energy-efficient insulation for optimal comfort and reduced energy loss.
      • Drywall & Orange peel or knockdown texture: Smooth and visually appealing finish with texture options.
      • Interior paint: Choose from a wide range of premium paint colors to personalize your interior space.
      • Painted exterior lap siding: Enhance curb appeal with professionally painted lap siding that withstands the elements.
      • Luxury vinyl planks: Experience the durability and low-maintenance benefits of luxury vinyl planks for your flooring.
      • Shaker style/European style cabinets: Enjoy the elegance and functionality of our shaker style or European style cabinets.
      • Tile backsplash, 18″: Add a stylish and practical element to your kitchen or bathroom with an 18″ tile backsplash.
      • Natural stone countertops: Elevate your kitchen and bathroom spaces with luxurious and durable natural stone countertops.
      • Closet and pantry shelving: Maximize storage efficiency with our customizable shelving solutions for closets and pantries.
      • Pre-assembled vanity cabinet: Our pre-assembled vanity cabinet comes complete with a countertop and splash piece backsplash.
      • Acrylic shower enclosure: Experience the beauty and low-maintenance benefits of an acrylic shower enclosure.
      • Plumbing fixtures and light fixtures: Our package includes high-quality plumbing fixtures and light fixtures as per the plan.

      • Frequently Asked Questions

        Is an ADU a good investment?

        An ADU in Madison, CA, can be a fantastic investment for any homeowner. Whether you plan to use it yourself as a guest house or home office, or you want to rent the place to the tenants, the ADU will never be a bad decision. Moreover, it makes the value of any property increase.

        What are the types of ADU?

        You can build one of the four types of ADUs in Madison, CA: detached, attached, converted, or junior. The design of your ADU should solely depend on your preferences. However, you might also want to take into account the capacity of your lot, as there are zoning regulations all over California.

        What are the requirements for building an ADU?

        An ADU design in Madison should include ADU that is no higher than 16 ft and no bigger than 1,000 sq ft. Also, an architect should pay attention to the setback regulations that require ADUs to be at least 4 ft away from the rear and sidelines on your property.

        Other Renovation Services in Madison

        Serviced ZIP codes: 95627, 95653

        Thousands of Customers Can't be Wrong!
        Testimonial Patricia Smith
        Patricia Smith
        We recently completed a renovation of our Bathroom Vanities and Master Bath Shower and Floor. The result was a beautiful transformation and we are immensely pleased with the job that A+ Construction & Remodeling did, from start to finish. The crew and staff are real professionals and true craftsmen. I would not hesitate to call upon them in the future for any work that I may need done, and would certainly recommend them to others. A Job Well Done!
        Testimonial Hilary English
        Hilary English
        Before moving to our new home in California, we decided to give the kitchen a more personalized feel. We contacted A+ Construction and Redemoling as a recommendation from a friend. Their designers took us through a number of designs. Today, all friends admire our kitchen. They truly didn't disappoint.
        Testimonial Richard Easter
        Richard Easter
        A+ Construction and Remodeling guys are the best! They helped us make many home repairs to prepare for listing our old home and are helping us right now with the set up in new house. The production team was fast and professional, and I love my new remodeled kitchen. Wouldn't hire anyone else!
        Testimonial Robert Ackerman
        Robert Ackerman
        They did an amazing job on our bathroom! Workers were friendly, clean and on time. They always kept in touch with us regarding anything that came up and even gave us updates on the work. Very responsive to my texts/calls if I had any questions. Will definitely use them again for any of our other remodel projects.
        Testimonial Jerry & Sheron S
        Jerry & Sheron S.
        We hired A+ Construction & Remodeling to convert our garage to an ADU. Both our project manager and the construction team were pleasant to work with. They were always on time and managed to finish the project even before the deadline they set for it. We are extremely pleased with the outcome. We would recommend A+ to anyone considering a home remodel or new construction.