Grass valley ADU Builder
Build A Secondary
Home on Your Property
- 30+ Years Combined Experience
- Licensed, Bonded, and Insured
- 200+ ADUs Built
200+ Happy Customers
Grass valley ADU Builder
Build A Secondary
Home on Your Property
- 30+ Years Combined Experience
- Licensed, Bonded, and Insured
- 200+ ADUs Built
We Build ADUs in Grass Valley
Looking for a reliable ADU builder in American Canyon? IMKAT specializes in designing and constructing premium Accessory Dwelling Units to suit your lifestyle and budget. From granny flats to rental-ready ADUs, we provide end-to-end solutions, including permits and construction. Start your project today and turn your backyard into an asset!
MODELS
ADU Models
Secondary Homes from 328 SQFT to 1,200 SQFT
Why Build an ADU in Grass Valley, California?
Are you a homeowner in Grass Valley, CA, thinking about expanding your property’s functionality and value? Building an Accessory Dwelling Unit (ADU) might be the perfect solution. At Imkat Homes, we specialize in designing and building custom ADUs that align with your needs and local Grass Valley regulations. Whether you’re looking to create rental income, provide housing for family, or add flexible living space, an ADU can be a smart and sustainable investment for your Grass Valley property.
Grass Valley ADU Regulations: What You Need to Know
Building an Accessory Dwelling Unit (ADU) in Grass Valley, CA, is an excellent way to expand your property’s potential. Before starting, it’s important to understand the key regulations that will guide your project. Here’s a simplified overview to help you navigate the process:
Property Information
- APN (Assessor’s Parcel Number): Every property has a unique APN, which you’ll need during the ADU planning process. You can find it on your property tax bill or by using Nevada County’s My Neighborhood Map Tool.
- Lot Size: You’ll need to know your property’s total acreage. This information can be found via county records, the My Neighborhood Map Tool, or on real estate documents.
Zoning and Site Standards
- Zoning District: ADUs are allowed in almost all residential zoning districts in Grass Valley. Check your property’s zoning to confirm the specific rules for setbacks, height, and more.
- Special Zones: Properties in protected zones (e.g., wetlands, floodplains, or steep slopes) may need a Management Plan to ensure environmental protection during construction.
- Wildfire Zones: Grass Valley properties are often located in High or Very High Fire Hazard Zones. ADUs must comply with fire safety standards, including proper driveway access and defensible space around the unit.
ADU Size and Placement
- Maximum Size:
- Detached ADUs: Up to 1,200 sq. ft.
- Attached ADUs: Up to 50% of the size of the main home, or 1,200 sq. ft. (whichever is less). However, attached ADUs up to 800 sq. ft. are always allowed.
- Junior ADUs (JADUs): Must be 500 sq. ft. or smaller.
- Setbacks: Rear and side setbacks must be at least 4 feet. Front yard setbacks depend on your zoning district.
- Height: Detached ADUs are allowed up to 16 feet, with some zoning districts allowing taller units depending on the main home’s height.
Parking Requirements
- No Additional Parking Needed: ADUs generally don’t require additional parking spaces, even if you convert or demolish an existing garage.
Utility Connections
- Electricity & Water: ADUs need their own utility shut-offs (separate breaker or disconnect). In some cases, existing connections may need to be upgraded to handle the additional load.
- Septic Systems: If your property uses a septic system, you may need a soil evaluation to ensure it can handle the additional capacity.
- Wells: If your property relies on a private water well, a well yield report is required to confirm sufficient capacity.
Permits and Approvals
- Permitting: You can start your ADU project by applying for the necessary building permits with the Nevada County Planning Department. Demolition permits (if needed) can be processed simultaneously with your ADU permit to save time.
- HOAs: If you live in a Homeowners Association, you’ll need to review their guidelines. HOAs cannot prevent ADU construction but may have specific design requirements.
Additional Rules to Consider
- Fire Safety:
- Driveways must meet fire safety standards for width, grade, and turnouts.
- Properties in High Fire Hazard Zones may require a Fire Protection Plan. Fire sprinklers are only required if the primary home has them.
- Short-Term Rentals: ADUs cannot be rented for less than 30 days unless specific exemptions apply (e.g., agritourism areas).
Converting Existing Structures
- Garage Conversions: Legally built structures like garages, barns, or pool houses can be converted into ADUs.
- Demolished Structures: If you replace an old structure with an ADU, the new unit can match the size of what it’s replacing, as long as it meets current setback and height standards.
Let’s Build Your Grass Valley ADU Today!
Have questions about building an ADU in Grass Valley? Contact Imkat Homes today for a consultation, and let’s start planning your custom ADU. We’ll handle everything from design to permits, so you can enjoy a hassle-free experience.
Reviews
What our clients say
#1 Rated ADU Builder in Grass valley
Rhonda Chambliss2024-11-07Trustindex verifies that the original source of the review is Google. We had a great experience with IMKAT! Their subs were professional and timely. Our project manager, Joe, was the best! The project went very quickly and turned out exactly like we wanted. I would highly recommend this family owned business! Christine Rupple2024-10-22Trustindex verifies that the original source of the review is Google. I recently had the pleasure of working with IMKAT Construction for my Accessory Dwelling Unit (ADU) project, and I couldn't be happier with the results. From start to finish, their team was professional, knowledgeable, and attentive to my needs. The project was completed on time and within budget, which was a significant relief. The craftsmanship is outstanding, with meticulous attention to detail in every aspect of the construction. They guided me through the design process, helping to create a functional and beautiful space that exceeded my expectations. Communication was outstanding. They kept me informed throughout the entire process, addressing any concerns promptly and thoroughly. It was clear that they value their clients and take pride in their work. Overall, I highly recommend IMKAT Construction for anyone looking to build an ADU. Their expertise, reliability, and dedication to quality make them a standout choice in the industry. Thank you, Sean and Christine Somphong Sayabath2024-10-15Trustindex verifies that the original source of the review is Google. I couldn’t be happier with the experience I had working with IMKAT on my ADU project. From start to finish, the team was professional, communicative, and incredibly skilled. They kept everything on schedule and on budget, which was a huge relief. The craftsmanship is top-notch, and they paid close attention to every detail. The end result exceeded my expectations, and I now have a beautiful, functional space. I highly recommend IMKAT to anyone looking for quality construction work. They truly went above and beyond! Daniel Radu2024-10-03Trustindex verifies that the original source of the review is Google. I’m Daniel with DR Construction, a concrete subcontractor for IMKAT. I do most of their concrete for foundation/flat work. I have worked with IMKAT for a couple years now. I have nothing but good to say about IMKAT. They are a professional and trustworthy company. I work alongside with all of their project managers, they’re all great people, easy to work with, and always on top of it. This is a company I would trust to build your ADU. dsevilla232024-10-03Trustindex verifies that the original source of the review is Google. It’s been a pleasure working with the group at IMKAT Homes , from the office staff to the guys out in the field. Michael Dod2024-09-28Trustindex verifies that the original source of the review is Google. Currently building ADU in back yard. Process to get started was easy and the build is moving very fast. Will update with photos once completed and give full review. Mark Mudrik2024-09-28Trustindex verifies that the original source of the review is Google. I’m a subcontractor that does the hvac for IMKAT they were the company that scaled my business to where it is today, never had any issues working with them, Good people to work with! They’re honest and operate with integrity, I recommend them to anyone that is looking in to building a ADU. RAJAT BHANOT2024-09-19Trustindex verifies that the original source of the review is Google. GREAT JOB done by IMKAT construction. They have finished our ADU on time. Everything was coordinated by our Project Manager David. David has been very helpful and has responded to our questions in timely manner and with good suggestions. IMKAT deserves a 5 star rating for the job. Will definitely suggest others to get their dream ADU with IMKAT construction. Thank you sandra odiase2024-09-10Trustindex verifies that the original source of the review is Google. I consider myself truly blessed to have IMKAT Construction build my home. From the initial meeting with David to working with Vitaly and Eugene, who felt like family, their dedication was outstanding. They constructed my 3-bedroom, 2-bathroom home with a 2-car garage with exceptional professionalism and transparency. The entire IMKAT team and their subcontractors demonstrated top-notch skill and flexibility, accommodating my last-minute requests with ease. Vitaly and Eugene went above and beyond to ensure my satisfaction. Their commitment and moral integrity are truly commendable. If you’re considering building a small or large ADU, add-on, or even a standalone home like mine, I highly recommend IMKAT Construction. They offered the best value for my budget compared to other local contractors. Their use of quality materials and attention to detail is evident in the final product. I feel compelled to share my positive experience so others can benefit from the same exceptional service. Reach out to IMKAT Construction—you won’t be disappointed! Todd Shumway2024-08-18Trustindex verifies that the original source of the review is Google. Had the pleasure of working with Imkat Homes for an ADU build. From start to finish they were very professional, had great communication, and overall exceeded our expectations. We didn’t feel pressure at any stage of the process and couldn’t be more pleased with the end result. To start, not only was their contract competitive, but they offered much more flexibility in terms of design, layout, and build options than what we were offered at other companies. Every member of their team was friendly, provided great communication, and were knowledgeable. This isn’t their first build and their experience and expertise speak for itself and is evident throughout the whole process. After permitting was completed, from breaking ground to keys in hand, was surprisingly quick. I am pretty impressed how fast they worked, and the coordination of every step was almost seamless. Their subcontractors were also professional, respected our property, and very skilled. Jordon our Project Manager was fantastic. Responsive, friendly, honest, and genuine. He’s also very knowledgeable, experienced, and communicated efficiently at every stage. Really good guy. The only real problems that occurred throughout the build were more related to utility issues that were out of their control. I truly felt they did everything to ease our concerns and they addressed the issue professionally and honestly. I am so happy that we chose to go with Imkat. I have zero regrets and would recommend them to anyone looking to build an ADU. Their work is top-notch both in quality and professionalism, customer service was outstanding, and they handled every step with grace. Will be doing business again in the future, no doubt about it.Verified by TrustindexTrustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more
Why Build an ADU?
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The Perfect Retirement Plan
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Thousands of retirees are choosing
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homes in California
Thousands of retirees
are choosing an ADU over
expensive retirement homes
in California
Increase Living Space
Expand living space up to
1,200 SQFT
The Perfect Retirement Plan
Thousands of retirees are choosing
an ADU over expensive retirement
homes in California
Thousands of retirees
are choosing an ADU over
expensive retirement homes
in California
No Cookie Cutter ADUs Here - Each One is Uniquely Yours
You can customize or create your own floor plans for a truly personalized ADU!
Projects
Recently Finished ADUs
Over 150+ ADUs Built in Grass Valley
Why Us?
Why Build with Imkat Homes?
Find out why Imkat Homes is the Number 1 Rated ADU Builder in Grass Valley
Grass Valley #1 ADU Builder
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3 Months of Free Assisted Living for Retirees
Over 200+ ADUs Built
General Contractors
Other ADU Contractors
Specialize in ADUs
Free Assisted Living
Financing
200+ ADUs Built
Have a Question?
FAQ
An ADU is a self-contained living unit that is either attached or detached from a primary residential dwelling. It is also commonly known as a granny flat, in-law suite, backyard cottage, or secondary dwelling unit.
Most counties in the surrounding Grass Valley area allow you to build up to 1200 square feet per lot. As long as it fits on your property.
Yes, ADUs can be rented out for additional income. However, local regulations may place restrictions on renting out ADUs, such as requiring a permit or limiting the number of occupants.
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