Hartley Solano ADU Builders


Serviced ZIP codes: 95688

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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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      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.

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      ADU Calculator

      What type of ADU Construction are you looking for?

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        Do you own a home in California and want to update it? Perhaps you need a silent place for visitors, an inviting workplace, or a comfortable place for an elderly relative to live. A practical solution to these changing requirements is the construction of an accessory dwelling unit. ADUs, including prefab ADU, will increase the value of your property and give you a steady stream of extra money.

        ADU Builders Hartley Solano, CA

        Building an ADU in California is not a do-it-yourself job; rather, professional general contractors like A+ Construction & Remodeling crew should be hired to ensure legality, compliance with building permits, and superior outcomes. You may relax and let local contractors manage every part of your new home, from developing a precise architectural plan to carrying out the works in a step-by-step manner within a predetermined timeline.

        ADU Contractor Hartley Solano

        Here are some guidelines we’ve compiled to help you find reliable general contractors in Solano County:

        1. Create a budget before beginning your search: This will help you choose a professional that will work within your budget.
        2. Search for general contractors: Search for a Solano County general contractor with ADU construction experience. Make a list of the general contractors you believe could serve as your contractors to get things started.
        3. Review completed projects: Looking at a contractor’s completed projects can reveal a lot about their methodology and degree of expertise. Check their final completed projects and photos, and request a tour of many of their accessory dwelling units. This can reveal how experienced these contractors are with construction.
        4. Read reviews: Look for reviews of the general contractors online, especially on their website, social media accounts, and review aggregators like Google and Yelp.
        5. Get bids from multiple contractors: Ask for price estimates from each general contractor you have listed. A bid ought to contain a planned schedule, payment terms, and expenses.
        6. Communicating: Without effective communication, no building project can be successful. As soon as feasible after employing them, check to see if your contractor responds to your queries and worries. Hire a contractor who is good at communicating with you if you want regular updates on the status of the job.

        A+ Remodeling & Construction is dedicated to providing excellent service at competitive rates. To help middle-class families in Solano County and the surrounding areas have access to luxury amenities without breaking the bank, our skilled team builds ADUs at affordable prices.

        ADU Contractor Building Types

        In Solano County, there are several different types of accessory dwelling units. For instance:

        • Detached ADU

        The detached ADU, sometimes called a backyard cottage, is the most flexible and practical option available among all additional dwelling units on the market today. It is a distinct, standalone building that can serve as a guest house, summer home, private workshop, rental property, or simply a tranquil place to unwind.

        Because it is frequently the largest type of ADU, future residents will enjoy a great deal of privacy. But, creating a brand-new construction on your property, complete with its utility lines and parking requirements, is the most expensive option.

        • Attached ADU

        The attached ADUs are great for homeowners looking to expand their living space without building a separate home. ADUs of this type are a useful and inexpensive housing choice because they are connected to the main house by one or more walls.

        This style of ADU is quite popular because individuals prefer larger bedrooms, home offices, and several bathrooms. It might work as a beneficial replacement for families with teenagers who require more privacy or want to have a master bathroom.

        • Junior ADU

        Junior ADUs, commonly referred to as JADUs, are a common option for homeowners with smaller lot sizes or underutilized interior spaces. Junior accessory dwelling units are smaller than standard ADUs and can only be built through conversion, with a maximum size of 500 square feet.

        Yet, because of their lower size and the laxer building codes that result, JADUs offer a space and money-saving answer to the housing shortage in major California cities, including the Tahoe region. JADUs have all the components of a typical ADU, despite being smaller. A standard ADU, in contrast, may be 850–1000 square feet in size and calls for more paperwork for permits.

        • Basement Conversion

        Basements are frequently used as simple storage facilities, but with a little imagination, they may be made into comfortable and useful living spaces. A personal theater is a common application for a basement that has been transformed since it offers space for a big screen, a dark environment, and seclusion from other parts of the house.

        Even though this kind of ADU is only permitted for family use, it is still a great method to repurpose wasted space. Those looking to increase their living space or find a place for everything in a smaller home can also profit greatly from basements.

        • Garage Conversion

        Converting the garage into habitable space will increase the usable square footage of your property. This foresighted choice affords a variety of avenues for expanding the home’s footprint. Depending on your situation, the garage could serve as an ADU (accessory dwelling unit), a guest house, or something else entirely. If you add at least one room to your garage, you can use it as an accessory dwelling unit without having to build anything more.

        Whatever type of ADU you plan to construct, we at A+ would be happy to share our innovative approaches to project development and design with you. Our business also offers free consultations and cost estimates for all ADU construction projects.

        ADU Unit Construction Hartley Solano

        Adding a new construction, like an ADU to a primary residence, must be completed under regulations that can differ by city and state. This makes hiring a trustworthy contractor, like A+ Construction & Remodeling, necessary.

        We can help you inspect your property, decide on the materials and lot size, and complete the project efficiently.

        Benefits of ADU Building

        The following advantages of building ADUs might be of interest to you:

        • Fast construction: You can get your completed ADU in two to nine months after the building program begins.
        • Additional income or increased property value: Renting out an ADU has the potential to earn extra cash. It can also raise your property’s value by up to 20%.
        • Environmental impact: An ADU can be equipped with energy-efficient solar panels, which lowers their carbon footprint, and produces less industrial waste than regularly sized homes.
        • Affordable housing option: Building an ADU on your home will provide your family and your wife with a superb future investment that will secure passive income.
        • Guest house: An ADU can be utilized as a place for family and friends to stay when they come to visit without taking up space in your primary residence.

        So why not consider an ADU as your next home improvement project instead of a kitchen remodel or pool addition? Call A+ now and get a free estimate.

        Hartley Solano ADU Construction Company

        If you have decided to build an accessory dwelling unit on your property, then you might want to consider hiring A+ Construction & Remodeling as your contractor. This professional and experienced team can guide you through every stage of the construction process, and they have a track record of satisfied customers who have been impressed with their efficiency and prompt service.

        Here are some reasons why A+ Construction & Remodeling is the right choice for your ADU construction project:

        1. Free estimate: A+ offers a free consultation that enables you to learn about their services, get responses to all your questions, and provide a cost estimate of the project you need assistance with.
        2. Experienced and professional team: A+ takes great pride in its team, which includes several highly qualified and experienced individuals and more than one architect. Your project will be overseen by experts who are constantly one step ahead of the curve.
        3. Client-centric: The success of our business rests on putting the needs of our customers first. For this reason, we always focus on satisfying the needs and wishes of our customers.
        4. Reasonable rates: A+ offers upfront pricing and works to reduce expenses without sacrificing quality. The team pledges to collaborate with you to identify a very affordable price that fits inside your budgetary restrictions.

        To sum up, A+ Construction & Remodeling is a top-notch construction company that can help homeowners build accessory dwelling units with ease. In addition to their reasonable costs and amazing job, they put the house owner first. If you’re interested, contact A+ right away to set up a time for them to evaluate the financial feasibility of your proposal.

        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.


        ADU Building Hartley Solano

        There are many other advantages to building an ADU in Solano County. The absence of distractions in an ADU creates a conducive setting for productivity, enhancing work-life balance.

        It might be a useful alternative for families looking for a quiet getaway over the holidays, or for professionals looking for a dedicated workstation. The adaptable building can be utilized as a guest house for out-of-town guests, a recreational space for family vacations, or a detached home office for remote workers.

        Prefab ADU Construction

        Prefab ADUs are a quick and cost-effective solution without compromising quality. Made in professional factories, they have a shorter on-site construction period and can be up to five times cheaper than custom ADUs. These units undergo rigorous inspections and can be ordered as finished buildings in panels or modules, with logistics taken care of by the manufacturer. Opting for a prefab ADU can save you money without sacrificing quality, with clients paying three times less than for custom ADUs.

        ADU Housing

        In terms of financial input, having an ADU is essential to increase the value of your home, as market research shows that houses with ADUs sell at higher prices than regular homes. Building an ADU is a wise long-term investment, and A+ Construction and Remodeling can help you achieve this by not only increasing your quality of life but also by ensuring a huge payback in the future.

        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

        How much does a new ADU cost in Hartley Solano?

        ADU construction costs can vary based on several factors, including the size of the ADU, the quality of the building materials, the contractors, and the duration of the construction process. From $250,000 and $400,000, or between $300 and $500 per square foot, is the price range for a detached ADU in Hartley Solano. Whereas prefabricated ADUs cost between $60,000 and $100,000, junior ADUs can be built for between $20,000 and $100,000.

        Why hire a general contractor for your ADU?

        There are many benefits to hiring an ADU builder. Starting, your ADU will be constructed safely and by regulations thanks to their experience and knowledge in handling challenging projects. By coordinating and setting up the many subcontractors, they can also hasten the construction process.

        General contractors can also assist you in identifying a design and materials that fit your budget and aesthetic standards. Last but not least, they assume some level of accountability for bringing the project to a timely and financially successful finish. Hiring an ADU builder will yield the best outcomes and cause the least amount of stress during the ADU construction process.

        How long does it take to build an ADU in California?

        Building an ADU in California could take two to twelve months, depending on the homeowner’s schedule, the contractor’s availability, and fees. Obtaining a building permit takes around two weeks, and erecting an extra housing unit takes another two to four months.

        Prefabricated accessory dwelling units are often built faster and can be ready for occupants in as little as six weeks. Keep in mind, though, that local and state rules will affect the type of accessory dwelling unit you can build.

        Other Renovation Services in Hartley Solano

        Serviced ZIP codes: 95688

        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.