Grass Valley ADU Builders

Serviced ZIP codes: 95945

Get your ADU FROM $799/month


    Grass Valley ADU Builders

    Serviced ZIP codes: 95945
    #25 in California’s Top list of the fastest private growing companies
    Awards Logos Best ADU Builder 2023 in California
    Awards Logos №1 Constraction Company in Sacramento
    Awards Logos #25 in California’s Top list of the fastest private growing companies
    Featured on Forbes Logo
    Featured on Forbes Logo
    Awards Logos Best ADU Builder 2023 in California
    Awards Logos №1 Constraction Company in Sacramento
    Awards Logos #25 in California’s Top list of the fastest private growing companies
    Featured on Forbes Logo
    Featured on Forbes Logo
    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

    Grass Valley ADU Design & Build

    Exceptional turnkey services, from plans and permits to occupancy, that simplify ADU development and ensure your peace of mind.

    Studio ADU

    The 470 sq ft studio ADU offers an efficient open layout, seamlessly combining living, sleeping, and dining spaces. With a full bathroom and energy-efficient design, it's ideal for a minimalist lifestyle or an excellent rental opportunity

    1-Bedroom ADU

    The 550 sq ft 1-bedroom ADU provides versatile living solutions. Ideal for long-term rentals, it offers a self-contained space for tenants or serves as a comfortable in-law suite, ensuring independence for extended family

    2-Bedroom ADU

    The 690 sq ft ADU maximizes functionality with a full-size kitchen, two bathrooms, and two bedrooms, perfect for small families. Its thoughtful design optimizes every square foot for comfortable
    living and privacy


    The 1175 sq ft 3-bedroom ADU offers ample space for a growing family. With 3 bedrooms, 3 bathrooms, and an open-plan living area with a kitchen, it's perfect for extended family stays or as a rental unit. Designed for comfort and privacy, it provides a spacious living environment

    Fastest Preparation Process Among GCs
    Durable Exteriors Resistant to Pests, Mold & Rot
    3xMore Stable
    Reinforced Seismic-Safe Framing with Precision Calculations
    50%Less Noise
    Noise Reduction with Our Solid Materials
    Cost Estimator

    Turnkey Custom ADU Calculator

    Package Details
    Monthly Payment i
    Total Price i
    Price/SF i
    Choose Your ADU Size:



    The calculations are approximate, based on A+ Construction Big Data Research 2023 Ⓒ
    Greater energy efficiency, lower bills
    Seamless Construction: Zero Supply Chain Disruptions
    Toxic-Free Materials
    Free from VOCs, Lead, Phthalates, Asbestos, PVC, Isocyanates, PCBs
    2xMore Durable
    Commercial Grade Durability, Residential Grade Look & Quality

    Our Latest ADU Projects

    Our Process

    We take care of your project from start to finish

    1. Consultation

    Schedule a Virtual or an In-House Consultation with our ADU Consultants to discuss your project

    2. Estimate and Contract

    Visit our Designer Showroom to review your quote, select materials, and sign the contract to kickstart your project

    3. Preparation

    We expertly manage all permits and planning, ensuring a seamless start to construction. You can trust us to pave the way for a smooth build right from the start

    4. Construction

    We incorporate digital technologies into our construction processes to be more efficient

    Book Your Free Consultation Now

    Get Financing
    for Your ADU Project


    Contact Solano Mortgage for a free consultation.

    With 30+ years of experience, we ensure no negative impact on your FICO scores or data privacy. Solano Mortgage: your trusted lender, broker, and ally with California's largest credit unions.

    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
    Casita Coalition
    The Original Sacramento Home & Garden Show
    Chamber of Commerce
    GC Magazine
    GuildQuality Member
    Made In USA
    Renovate America
    ADU Constructor

    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

    Our homes are like our little personal projects that can always reflect our current state of life, style preferences, creativity, and so on. Hence, there can never be too many improvements made to them!

    One of the changes that some of us will need to make at a certain time in life will be related to the increase in the amount of living space that we have. But what to do in case you cannot simply sell your current home and buy a new one? Build Accessory Dwelling Units (ADUs)! ADUs are a great solution to add extra living space to your property. If you’re considering building an ADU, it’s essential to work with an experienced ADU builder who can guide you through the process and ensure a successful outcome.

    ADU Builders Grass Valley, CA

    As Accessory Dwelling Units are considered to be tiny homes built on your property land, many homeowners think that it is easy to build them and that a simple Youtube tutorial could cover all the steps that need to be done.

    Unfortunately, this is not true. Yes, ADUs are much smaller than your primary house, but they still require all the same knowledge and skills in order to be built safely and beautifully, which is why you should hire professional home builders to do the project for you!

    That way, you can ensure that the whole project is done within the budget that you can afford, without any mistakes, and within a time frame that is as small as possible! Contact A+ today and find out more details about the project that could take place in Grass Valley or any other city!

    ADU Contractor Grass Valley, CA

    Now that you understand the importance of home builders in ADU projects, you can actually start looking for one. However, this is not a simple task, and you should take it seriously so that the new construction that would take place on your land would not bring any danger to your family.

    And in order for you to ease this burden, the following list was made so that you would find decent home builders in a much shorter period of time:

    1. Consider several contractors at once so that you can compare them to each other. That way, you will increase your chances of finding the perfect home builders for your granny flat, as well as ensure that the business company hired by you will do the whole job just as you want it! Check portfolios of other contractors before you make the call to the first company that you have liked;
    2. Home builders that you will hire should be extremely honest with you from the very start. You will trust your property and money to these people, which is why you have a right to know in advance about every type of solution and service that would be required for your project. A decent business company will always provide you with a free estimate of a project; remember that;
    3. Online reviews are a good thing that will give you a basic understanding of the home builders that you are going to deal with, but you will always benefit from digging a little bit deeper. Ask around your friends, relatives, and neighborhoods about their experience with their crew of general contractors so that they can give you good advice about the whole search process, as well as tell you about companies that should be avoided;
    4. Any contractor that you will consider should always have a valid license; this is a must! Without it, you can never be sure of the quality of services provided to you, as well as about the integrity of the business company that you are dealing with. A license is your guarantee that any granny flats built by this company will be safe for your family to dwell in for many years, so search for information about them very thoroughly!

    ADU Unit Construction Grass Valley

    Anyone who is new to the whole ADU construction process thinks that after the business company is chosen and the design is decided upon, the building process could take place on the construction site. However, this is not entirely true.

    Another crucial reason why you absolutely need to hire general contractors for your granny flats is the legal aspect of the whole process. ADU construction should always be made in sync with local jurisdiction regulations. And unfortunately for us, building codes are not universal for the entire country or even for one state law, which is why local contractors are a must so that your project would not b