Folsom ADU Builders


Serviced ZIP codes: 95630, 95762, 95763, 95671

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      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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      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.

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      ADU Calculator

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        Usually, those who are planning to buy a house for the first time often face the problem of lack of space. What to do in a situation when you need extra space for the detached garage or your needs? But you like this house and its plot so much that you do not want to let it go! There is a way out, and this is an accessory dwelling unit.

        The accessory dwelling unit is a very elegant way out of the difficulties caused by the lack of living space. This is an additional extension to the house or a separate room that you can use for any needs. This will embellish your home and historic district a little and later become a valuable investment.

        A+ Construction & Remodeling, an ADU builder, is a company that will handle your project as comfortably and quickly as possible, take into account all your preferences and wishes, and make your dreams come true.

        Folsom ADU Builders

        But first, to build an accessory dwelling unit in the Sacramento area, you need to know all the laws and understand which applicable building permit you need to apply for the new construction of dwelling units in the state.

        Restrictions on the lot size

        Local authorities of the City of Folsom, CA, do not set any restrictions on the size of your property, it can be of any shape and size, and you have the right to get building accessory dwelling units to permit. Therefore, you do not have to think about whether the minimum meets the requirements.

        The permitted area of your ADU

        The allowed size of your accessory dwelling unit depends on the type of accessory dwelling unit that complies with your needs. This means that the size of detached  ADUs with a separate entrance to your property will be different from the allowed size of the attached ADU. We will tell you more about the types of ADU below.

        Minimum of setbacks

        Your accessory dwelling units should be built at least four feet away from the side and front property line of your residential property. There are also rear yard setbacks that you should not forget about. So take care of both side and rear setbacks. Those required front yard setbacks and rear yard setbacks are very important, as they will only improve your security. It does not apply to a junior accessory dwelling unit, but a transformed ADU must be moved some distance away from your living area. Moreover, make side and rear setbacks; all this will ensure fire safety and protect your detached ADU.

        Permitted places

        If you have a territory that allows you to build a new building in addition to the main building and you have a single-family house, then you will have no problems obtaining a building permit. It is also possible to build an accessory dwelling unit for owners of apartments in houses for many families, such as a triplex. However, be careful; you will have to pay the historic district commission if your ADU is located in a historic district.

        The maximum number of ADU

        In the city of Folsom, a maximum of one or two accessory dwelling units per family is allowed. It all depends on the size of your territory. In the case of apartment buildings, everything depends on the number of apartments in the house and the type of accessory dwelling unit.

        Parking requirements

        The law requires a separate parking lot for a free-standing accessory dwelling unit (unlike for an attached one). In addition, the transformed accessory dwelling units and the junior accessory dwelling unit do not require a separate parking lot.

        Fire safety rules

        The state law does not say about the mandatory installation of fire sprinklers. But still, we recommend installing them to avoid problems. Also, try not to leave combustible substances in the open space. And why not secure an already existing home with fire sprinklers as well? Do not forget to learn fire codes in case of an emergency. However, even in their absence, you might have no problems with obtaining a building permit.

        Permitted height

        According to state law, you are required to build a one-story building, at least sixteen feet tall, so that it can serve you properly.

        Before planning your accessory dwelling unit, be sure to familiarize yourself with the laws of the state so that you know how to get a permit. But, there is a more pleasant way out! A+ Construction & Remodeling will definitely take care of the legal security of your construction.

        ADU Contractor Folsom, West Sacramento

        Why should you improve your rather comfortable existing space? Why do you need ADU on your land plot? We will make you familiar with the five major advantages of ADUs that will change your mind.

        Use an old garage for living

        Remember how as a child, you have always wanted to become a performer or do something with your own hands. So why not start now? A+ Construction & Remodeling will help you make your dreams come true; we will create the perfect space for your creativity so as not to distract other family members with a loud noise. Or maybe you have dreamt about turning your old garage into something more useful for a long time. This will no longer be a problem; after a little refinement, you will enjoy a brand new accessory dwelling unit. This will be extremely helpful if the off-street parking lot is not your priority anymore.

        Accommodate your parents in ADU

        It often happens that old people are not very comfortable living far away from their children. They are already very weak, and they need care, so it is a good idea for them to live in accessory dwelling units. We are sure that it is hard for several generations to live in a single-family house, but with an accessory dwelling unit, you will solve this problem easily.

        Make a guesthouse

        At first, gatherings with friends are cool and fun until the moment when they stay for a few days. We agree that this might be a little annoying, but we want to preserve your strong friendship and suggest using an accessory dwelling unit as a small guest house.

        Increase your rental income

        Very often, in search of inexpensive housing, students go to the suburbs and rent buildings like accessory dwelling units. It helps a lot to save them money, but it will also bring profit to you by renting your primary dwelling unit short- or long-term. Use it for extra income!

        Increase the price of your house

        Every year, real estate prices in the states are growing more and more, and at such a time, accessory dwelling units can be a good investment, as it is very convenient. You can invest a small amount of money to build an accessory dwelling unit. As a result, you will see how the price of the house will increase just in a few years. Detached ADUs that are built near an existing primary dwelling will be great in this case.

        ADU Unit Construction Folsom, California

        Now we can move on to familiarizing ourselves with the types of accessory dwelling units. There are not many of them, and there are only five types:

        • Converted accessory dwelling unit. A very convenient type of unit, which implies the creation of a special non-residential premise from existing space. Its advantage is that minimum effort is expended. Moreover, you decide for yourself how it will serve you. The main disadvantage is a little practicality.
        • Detached accessory dwelling unit. You can easily add a fresh look to your home located in a historic district and add practicality to it by adding a small detached ADU to the existing primary dwelling. In a detached AUD, there might be two or more bedrooms and at least one bathroom. Well, definitely, the neighbors will be jealous of such a nice detached accessory dwelling unit.
        • Primary dwelling unit. You can build yourself accessory dwelling units that stand not far from your house, with a separate entrance, and use it as you want! It is nice, practical, and inexpensive. In addition, it adds value to your land plot. What else is needed?
        • Junior accessory dwelling unit. It is the same extension, only smaller and with less potential, but junior ADU is very convenient if you do not need large buildings of one thousand square feet.
        • Other. You can tell our architect how you see this existing detached accessory structure and come up with your own unique design of an ADU.

        On the A+ Construction & Remodeling website, you can choose the type of extension you need. Make sure that an accessory dwelling unit complies with your needs. Specify the filling of your future ADU, specify the Folsom area and find out the approximate price of the ADU of your dream.

        Folsom ADU construction company

        We are sure that there are a lot of companies in Folsom, El Dorado Hills, and other suburbs of Sacramento that provide similar services of building an attached ADU as we do. And in such abundance, it is not difficult to get lost, but after the list of facts below, you will not want to work with others.

        Three facts why people trust us

        • Saved money and no shady spending

        We respect you and your budget very much, and we understand that spending millions on such a project does not make sense, so we always try to meet the budget and come to the ideal price. With our crystal clear accounts, we will not spend a single extra penny.

        • High-quality and environmentally friendly product

        We follow trends, respect the surrounding nature and your historic district. Therefore, A+ Construction & Remodeling provides only environmentally friendly products that are still of great quality. Everything we do will serve a property owner for a long time.

        • All the necessary certification and the best employees

        We are proud of our colleagues and experience in the market. We can make all building permits for you. Every person that works in the A+ company is a professional: from an architect who helps you to get some design guidelines to ordinary builders who are completely devoted to their work.

        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.
        General Information

        Folsom is a city located in Sacramento County, California. Typically, people know it thanks to well-known Folsom Prison, and, of course, Lake named after it. Folsom is a city of moderate political views, as well as of highly-rated schools where children may obtain proficiency in many subjects due to highly-developed educational programs.

        The total population there is 77K. People from nearby cities tend to relocate to Folsom and enjoy suburban infrastructure among others.

        Major Events

        Folsom is rich in history. It was named after Joseph Libbey Folsom who managed to buy a rancho out there and develop a town that has been primarily inhabited by gold miners. Alongside it, Joseph Folsom increased the wealth of the city with the railway which has established a connection with Sacramento. In 1980, that railway was abandoned, however, residents returned it to life back in 2005.

        Folsom is also famous for its close location to the Gold Rush spot. Tourists yearly visit it to dive into the spirit of gold miners who were desperate enough to find gold to prosper.

        Another thing regarding the history of the city belongs to the Chinese American community which has been successfully hosted in Folsom. Unfortunately, their church was driven out of town in 1886 by arsonists.

        What do you know about Folsom city? Most probably, your memory accommodates the knowledge about well-know Folsom Prison which has been established in 1880. The prison itself was considered a plan to build a hydroelectric dam using the power of prisoners.

        Finally, this city is home to Folsom Lake which attracts people for fishing, picnicking, and general time-spending with a family.


        Folsom has both very hot summers and cold winters. Averagely, it can boast 267 sunny days per year but 0 inches of snow, and 21 inches of rain. The temperature itself varies between 39°F to 95°F.


        The diversity of ethnicity in Folsom is poor, there are fewer people of other nationalities. Folsom accommodates approximately 74% of White, 5% of African American, less than 1% of Native Americans, 12% of Asians, and 11% of Hispanic and Latino people. As per residents’ feedback, they lack the acknowledgment of other nationalities and find it quite hard to find a community of interests. People are more family-oriented and adults are into work or time-spending at home. Young adults are more open in terms of activities in the city.

        Where to Study?

        One of the most popular education establishments is Folsom Lake College. Alongside college, there are 3 high schools and 4 middle ones.

        In general, their education system is decent, and parents report the high levels of knowledge their children obtain at schools.

        Notable People
        • Spider Jorgensen — baseball player.
        • Aspen Ladd — UFC fighter.
        • Brennan Poole — a NASCAR driver.
        Top Things to Do in Folsom
        • Folsom Lake. This place attracts people for bicycling, boating, fishing, picnicking. There you may find a camp zone with over 60 sites available. The total area is 19,000 acres.
        • Sutter Street. It is a great place to dive into the 1850s’ history. The district itself reminds you about the previous century history with its buildings, designs. As of now, it is rich in modern establishments as well that provide tourists with dining and shopping experiences.
        • Prison Museum. You may see artifacts, photos as well as contraband items that belonged to the prisoners. The admission fee is only 2$ per person.
        • Zoo. What about time-spending overlooking the animals? Their zoo is a perfect spot to spend time with children. Bears, coyotes, tigers and many more to see there.
        • Harris Center. This is an art and culture center in Folsom. There are shows, events, and performances ongoing every year.
        Reviews on Living in Fair Oaks

        People who live there have mostly pleasant words about the city such as — Clean, Friendly, Supportive, Safe. There are some drawbacks, however, they are typical for any city in Sacramento. It concerns a lack of diversity for some ethnic groups, and there are fewer job opportunities. Folsom fits those who come to retire or spend calm days in their living after hustle and bustle from megapolises.

        As for the distinctive features of this city, residents mention a great number of movie theatres, a zoo, lake, and shopping malls where you may spend time enjoying the shopping and simultaneously a dining experience.

        The median home price is $624K.

        All in all, it is a safe city with low crime rates. If there are any criminal events, they are most likely to be linked to property robbery. As for assaults, and murder, it is quite calm, as the police department structure is very wide to service more than the whole city. Folsom rankings: 61 out of 525 as the Best For Living in California, 80 out of 525 as the Best for Raising a Family Unit in California, and 91 out of 525 as the Best for Young Adults to Pursue a Career in California — as per Niche.

        ADU Building Folsom, California

        Let us tell you about a couple of organizational issues that will seem trivial to you with A+ Construction & Remodeling. Let’s start with the popular question of how much the project of such a convenient construction will cost.

        Approximate prices of ADU

        Since we want to leave our clients with smiles on their faces and not with emptiness in their wallets, we agree on the best price for the project for both parties. However, it is impossible to predict the exact price right now because the prices vary based on your plot of land, the size of ADU, and the quality of materials, as well as the complexity of the construction.

        How long will it take to complete the construction?

        The construction process is not fast because of many factors, but we can tell you the approximate time for the entire project.

        • The total time of the project completing is about 14-30 weeks;
        • Design review and approval process take 3-6 weeks;
        • Creating a permanent foundation & building construction take 8-18 weeks;
        • Interior and exterior finishing take 3-6 weeks.

        It looks like a long, complicated process, but it all depends on the density of meetings and communication between you and the contractor.

        Prefab ADU Construction

        What makes ADU service especially affordable is the prefab housing supply. Using already-made details for accessory dwelling units in Roseville makes the whole process faster.  With A+ Construction & Remodeling and their fast delivery of the supplements, you will spend less money, time, and nerves.

        ADU Housing

        We are sure that accessory dwelling units will be a perfect housing solution for big families or people who are often visited by their relatives or friends. Accommodate your loved ones in a comfortable ADU or use it for your hobbies. Specialists from A+ Construction & Remodeling will make the construction fast, easy, and reliable.

        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 (FAQ)

        How much does it cost to build an ADU in Sacramento?

        It is impossible to reveal the exact prices since it all depends on what type of single-unit dwelling you want, whether it is an extension of the primary structure for a single-family home or it is a detached livable space. Contact our managers online to find out the price of ADU in Sacramento.

        How much does it cost to build an ADU in California?

        You can use a special application on the A+ Construction website to calculate the approximate price of the efficiency unit for a single-family home. Another option is to contact our managers and designers. They will be able to tell you the final price after planning the ADU you need.

        What are the requirements for an ADU in California?

        There are not do many rules for a single-unit dwelling if it is located near a single-family home on the same land plot. It should be an area where it is allowed to build living spaces, and there must be a sewer service; your plot and the primary house should be put in the California register.

        How much does it cost to build an ADU in Orange County, CA?

        In addition to the costs of ADU and materials that you can calculate on our website, you should be aware of some additional expenses. Our managers will be calculating connection fees, furniture expenses, and capacity charges. After that, you will know the exact price of ADU in Orange County.

        Other Renovation Services in Folsom, CA

        Serviced ZIP codes: 95630, 95762, 95763, 95671

        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.