Coloma ADU Builders


Serviced ZIP codes: 95667, 95651, 95613

Receive $500 OFF
When You Request Online
Total Rating
Total Rating
Based on 826 reviews
Google Rating
Google Rating
Based on 179 reviews
Facebook Rating
Facebook Rating
Based on 143 reviews
Yelp Rating
Yelp Rating
Based on 81 reviews
Cost Calculator

Customize Your ADU

The calculations are approximate based on the Big Data
A+ Construction Research 2023 Ⓒ
adu chart
Let's Calculate Your
ADU in
This field is required

    Cost Calculator

    Turnkey Custom ADU

    Total Price
    Package Details
    Choose Your ADU Size:



      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.

      Get Financing
      for Your ADU Project

      Explore financing with
      finance of america
      Reach out to Our Experts
      to Discuss Your Financing Options
      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
      Yellow Pages
      EPA - United States Environmental Protection Agency
      KCRA-TV News
      DR - Daily Republic News
      The Sacramento Bee News
      GoodDay Sacramento - CBS News
      YEC - Young Entrepreneur Council
      Renovate America
      The Original Sacramento Home & Garden Show
      Chamber of Commerce
      GC Magazine
      GuildQuality Member
      Made In USA
      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
      Choose at least one item
      Average ADU
      Price In
      This field is required

        Coloma ADU Builders

        Constructing accessory dwelling units is a big project. DIY projects and relying solely on YouTube tutorial videos can end up with the worst experience ever. Hence, it’s important to hire a professional ADU builder or contractor when building accessory dwelling units. There are a lot of things to think about about construction accessory dwelling units.

        ADU Contractor Coloma

        It is not simple to find a reliable builder that will do an excellent job on your accessory dwelling unit in Coloma, California. There are several factors to think about before making a decision.

        Here is a checklist of things you consider before moving forward with new construction projects:

        1. Establish your construction budget and timetable.
        2. Schedule a free estimate with a local general contractor.
        3. Check that the contractors you are considering are licensed, insured by a reputable insurance company, and have a good reputation for providing competent service.
        4. As you will be working directly with the contractor and their crew during the construction, make sure you are comfortable with them.
        5. Research the contractor’s reputation and the quality of their previous completed projects to get a sense of how professional they are.
        6. Examine the contractor’s blueprint for the new building, making sure everything from the concrete foundation to the roofing, siding, windows, doors, flooring, plumbing, and electrical wiring is accounted for.

        Fortunately, A+ Construction & Remodeling has hired an extremely knowledgeable and experienced crew of contractors who can help you through the entire process. They are qualified to manage any construction project effectively and at a reasonable price, and their experience extends throughout California, from Coloma to Grass Valley.

        As your life as a homeowner evolves and develops over time, you may find yourself wishing for some changes to your home. You may need a private space for guests, a cozy home office, or because your children are growing up and you want to keep your older relatives close.

        An ADU can provide a practical answer to these developing requirements. Building an Accessory Dwelling Unit can increase the value of your property and give you a steady stream of extra income if you already own a home but want more from it.

        Finding an excellent general contractor, however, will go a long way in ensuring that the construction process goes as smoothly as possible. At A+ Remodeling & Construction, we deliver El Dorado residents with quality work they need at a very reasonable price.

        ADU Contractor Building Types

        Accessory dwelling units can be found in a wide range of sizes. Hence there is no universal rule for designing them. They change according to factors, including proximity to the main house, building material, square footage, etc.

        An ADU can be built from the ground up or replace an existing structure like a garage or garden shed. Some types of ADUs you could have constructed on your property by A+ are listed below:

        • Attached ADU

        An attached ADU is connected to your main house by a wall or an inside door. If space is at a premium, but you still want to expand your living quarters, this ADU style is the way to go.

        • Detached ADU

        A detached ADU will be built on your property but separated from your main house. Such ADUs are great as they provide the owner with more privacy and independence than attached houses or accessory dwelling units.

        • Garage Conversion

        A conversion ADU is an existing structure on your property that is converted into a living space. California homeowners realize the enormous potential that is waiting at the end of their driveway: garage conversions.

        • Basement Conversion

        One of the most exciting trends in ADU construction right now is the basement ADU, which is also one of the cheapest ways to add an ADU to your property. The basement may be gathering cobwebs as a storage area, but it has a lot of untapped potential for living space.

        • Junior ADUs

        A junior ADU, or JADU, is a one- or two-bedroom alternative dwelling unit on less than 500 square feet. In either their attached or detached forms, these additions are perfect for families looking to accommodate aging parents, grown children, or tenants.

        We highly recommend calling A+ Construction if you want excellent work done on your ADU or any other type of home. They stand out from other contractors in the field because of the efficient manner and reasonable pricing they provide clients. They have a long history of producing high-highly rated service that is carried out in an extremely professional way.

        ADU Unit Construction Coloma

        Here are the primary guidelines that must be followed while constructing an ADU in California:

        • Zoning Regulations: To find out if new construction is permitted on your property, you must first consult with the local zoning office or a contractor. ADUs are subject to strict zoning requirements that must be completed before construction may begin.
        • Dimensions: California law requires all ADUs to be between 850 and 1000 square feet “500 for JADUs” with a maximum height of 16 feet and a minimum setback of 4 feet. A standard accessory dwelling unit will feature a bedroom, a living area, and a bathroom.
        • Layout Requirements: Several requirements about the physical appearance of the ADU’s layout must be met. The ADU, for instance, needs to be accessible by means other than the main house’s front door.
        • Construction Supplies: While constructing a multi-family unit, be sure to use the required construction supplies. Outside walls and roofs, for instance, must be constructed from fireproof materials.

        At A+, we keep up with the ever-evolving legislative landscape to guarantee that your dream house project will meet all El Dorado residency criteria.

        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.

        Benefits of ADU Building

        Having an accessory dwelling unit on your property can be useful in many situations. Here are the most popular ones:

        • Increase property’s value

        An accessory dwelling unit can be a lucrative financial investment. You have the option of renting it out long-term and collecting rent over time, renting it out briefly and using the money to pay down your mortgage, or selling the family house for a significant profit.

        • Guest House

        The extra space for hosting visitors is an apparent advantage of having a unit in your garden. With such a unit in place, both the visitors and the hosts will have access to some degree of privacy while remaining close to one another.

        • Low-Cost Housing for Adults

        Your grown children and other family members will appreciate having their own space and the opportunity to start becoming financially independent as soon as possible when you build them a detached ADU.

        • Keeping Elderly Family Members Close

        If you have finally chosen to move your elderly relatives closer to you but are having trouble finding local housing, building an ADU on your property will answer all of your difficulties.

        • Home Office

        The accessory dwelling unit is not only a great place to do work but may also serve as a home office. You’ll be more productive and less distracted working in your isolated environment, and you’ll also save time each day by avoiding the stress and hassle of a daily commute.

        Coloma ADU Construction Company

        One of the best ADU contractors in Coloma is A+ Remodeling & Construction. This company has been serving El Dorado for many years and has hired a team of hard-working professionals who will be glad to get your dream ADU project completed in an efficient and timely manner.

        Hence, you may want to think about employing A+ as your contractor, and here are some of the reasons why others have decided to put their faith in A+ among all contractors:

        • Expertise

        With their extensive knowledge of navigating El Dorado rules and regulations and obtaining approval from the relevant Coloma authorities, A+ pros will assist you in constructing an amazing home with ease.

        • Quality

        You will be impressed and happy with the end result, and the ideal new home A+ will be completed for your family.

        • Customer Service

        A+ places a premium on listening to and fulfilling the needs of its customers. Our specialists are eager to hear all of your fantastic ideas and are always here to listen to you to put them into practice shortly.

        • Free Estimate

        To help the owner make an informed decision about whether or not to build an ADU, A+ offers a free and detailed estimate.

        • Affordable Prices

        If you put the construction of your ADU in the capable hands of the A+ team, you won’t have to worry too much about breaking the bank. When compared to buying a new home or renting an apartment, an accessory dwelling unit is the most financially sound choice.

        • Amazing Portfolio

        A+ has a massive archive of finished projects to show for their efforts. Have a look at some of our completed projects so that you can get an idea of the job we provide and the range of services we offer.

        ADU Building Coloma

        Here are a few things to consider if you are still debating building accessory dwelling units close to your primary residence. Here are some ideas we’ve provided below for using an ADU:

        • Increased Attraction to Tenants: The ADU can be rented out as a convenient and profitable substitute for living in your primary home. Install an ADU to your property to improve its value and appeal to potential tenants.
        • Home Office or Studio: Besides living in, an ADU can also serve as a home office or studio for the homeowner.
        • Accommodating Visitors and Family Members: If you have guests or extended family staying with you frequently, an accessory dwelling unit with a few extra bedrooms may be the perfect solution. It’s a great solution because they’ll have a place to stay that’s still conveniently located near your main home.

        Prefab ADU Construction

        If the initial investment in an accessory dwelling unit seems excessively high, have no fear. Many homeowners realize the financial benefits of a prefab ADU. A prefab ADU is a viable option if you need to build an accessory dwelling unit for your primary property fast and cheaply.

        While ADUs built from scratch have their advantages, prefab units have the bonus of being installed quickly. As a result, if you want to furnish your home in comfort and style without breaking the budget, think about getting a prefab accessory dwelling unit.

        ADU Housing

        All things considered, an ADU has the potential to become your best investment ever because of the certainty with which it will pay off, bring in additional revenue, and improve the lives of all members of the family.

        If you’re constructing an ADU in Coloma and you want it done quickly, hiring A+ Home Builders is your best bet because they perform such a great job every time and will deliver the result you deserve.

        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

        What are the requirements for an ADU in California?

        When it comes to California’s ADU regulations, location and ADU type are key factors. In El Dorado, for example, an accessory dwelling unit should meet the height, and square footage requirements provided it is under 16 feet tall and 800 square feet in size.

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

        The length of time it takes to construct an accessory dwelling unit in California varies not only with project scope but also with the time required for acquiring necessary permits and designing the dwelling. It may take as little as three to four months or as long as eighteen. In most cases, though, it takes less than six months.

        How close to the property line can I build an ADU?

        For a detached ADU in California, the minimum legal requirement is 4 feet of space between your home and a side or rear property line. Nonetheless, it’s smart to double-check with the appropriate authorities, as they could have the ability to make exceptions to these rules.

        Other Renovation Services in Coloma

        Serviced ZIP codes: 95667, 95651, 95613

        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.