We’re a local ADU contractor, specializing in garage conversion services that help in getting access to new dwelling space. It is done by building attached & detached accessory dwelling units, by following all the construction rules & guidelines, and by obtaining the local city permits from the concerned issuing authorities. Our years of experience in ADU construction service make us a preferred home remodeling contractor.
Complete design & build solutions, when it comes to creating an accessory dwelling unit in the form of a Granny Flat or a backyard cottage. We either build from scratch by laying foundation, or convert an existing garage into an independent unit with all the standard features and living amenities. This is how we help create additional space, within an existing property.
What we offer at Frost Remodeling is a fully customized ADU design & construction service that best serves the space related needs of a homeowner. An assessment is conducted at the property, whereby the space for construction is earmarked, or the old garage that is to be converted, is analyzed on all technical parameters. Thereafter, a final design-plan and layout map is created, which is sent for an approval to the Building & Safety Department. Local permits and approvals are granted on the basis of the design master-plan. The design rests on certain aspects like the size & dimension of the ADU, ceiling height, setback clause and the type of ADU. you can choose between a Regular attached or detached accessory dwelling unit or a Junior ADU (JADU), as per your style, space and budget requirements. This is how we custom design and plan a Granny Flat, an in-law suite, a home-office or a backyard cottage from scratch or by converting it from an old garage. Now call us at 510-993-0920 for getting more unique ideas about custom ADU design & build, by following all the city guidelines.
As a licensed ADU contractor in Union City, CA, we design & build all kinds of accessory dwelling units. It can be an attached, detached, above-the-garage or a plain garage converted ADU. Mostly, a majority of homeowners prefer going for an ADU construction, as it is easy to build, since the structure is already present. It is done by following all the construction rules & guidelines. We build ADUs from 500 sq. ft. in size to 1200 sq. ft., with a ceiling height limit of 14-16’, and by maintaining a setback of 4’ from the rear & side and 5’ from the nearest property lines. ADUs can be customized according to the needs. For example, a home-office ADU only has the basic components of electrical & wiring fixtures and all other associated office furniture. Whereas, a self-sufficient backyard cottage or an independent Granny Flat for family living must have a kitchen, a bathroom with laundry, a master bedroom or a living area. A separate door for entry & exit, with all other components like a window, plumbing lines, electrical cables and a roof. As a homeowner or a client, you can also ask for a FREE quote, as we offer a no-obligation price quotation, after we’ve assessed your property. You can also check out the reviews of our customers on Houzz about our ADU projects.
Learn more about the various types of ADUs that you can build at your property, for increasing the space and comfort level. You can choose any one ADU type, as per your requirement and budget.
Attached ADU | Fully attached to the main building |
Detached ADU | Stand-alone or separate from the main unit |
Garage converted | Converting old garages into Regular ADUs |
Above-the-garage ADU | Building above garage, by strengthening the walls |
Interior conversion ADU | ADUs carved out from within house interiors |
This set of questions & answers by our experts can help get a better understanding of our ADU construction services, timeline & process.
Not just in Union City, but across California, all homeowners must follow a setback of 4’ (feet) from the rear and side while designing an ADU. A detached ADU must be 10’ (feet) away from the main residence and 5’ away from any property lines.
It usually takes anywhere between 60-120 days to get the design-plan approved and the local permits issued from the municipality and the building & safety department. It depends how flawlessly the ADU master-plan has been designed.
Under the California state law, the maximum size limit for an attached ADU is 1200 sq. ft. or limited to half the size of the existing residence, whichever is smaller. Detached ADUs can be bigger in size and a Junior ADU cannot be more than 500 sq. ft..
Absolutely! You must have a permit from the local municipality or the Building & Safety Department for building an ADU at your property, without which the new construction would be deemed illegal. Permits are issued, after you submit the design-plan for approval.
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