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How it Works
  • Free Consultation

    To start, a Design Everest associate schedules a consultation with you to fully understand your needs.

  • Quick Turnaround

    Once we understand your needs, we deliver Architectural Plans and Structural Engineering Drawings for your project. We have quick turnaround time, with the option to track your project in real-time

  • Easy Permit Process

    We will provide a set of drawings of the Accessory Dwelling Unit that you may submit to the union city to obtain the required ADU permits. Our fixed fee includes addressing all city comments that are part of our scope (if any) on our plans until the permit is approved. Next, we can connect you with reputable ADU builders in your area, so you can get started with your ADU construction right away. Read more

A Leading Architecture, Engineering and Energy Services Provider for ADUs in Union City, California

Our team of engineers and architects are well aware of requirements to Design and Build an ADU on your property in Union City, California.The city government of Union City has not yet updated it’s local zoning codes to comply with the State ADU mandate so the State Standards apply to the ADU development.The title shall be known, cited and referred to as “the City of Union City Zoning Ordinance.” The purpose of this title is to bring into reality the proposals of the General Plan and to accomplish the following:to promote and protect the public health, safety, morals, comfort, convenience and the general welfare of the people,.The provisions of this title shall not be deemed or construed to repeal, amend, modify, alter or change any other ordinance or any part thereof not specifically repealed, amended, modified, altered or changed in this title, except in such particulars or matters as this title is more restrictive than such other ordinance or part thereof, and that in all particulars wherein this title is not more restrictive, each such other ordinance shall remain in full force and effect. visit for further information

Accessory Dwelling Units (ADUs) Union City, California

In Union City ADUs are a secondary dwelling unit with complete independent living facilities for one or more people. They are an innovative, affordable, effective option to increase the value and space of your home or multi-family buildings. Today, ADUs are known by different names: granny unit, granny flat, in-law unit, in-law cottage, mother-in-law apartment, sidekick home, laneway home, backyard guesthouse, backyard cottage or secondary dwelling unit, conversions in multi-family units. ADUs are affordable in Union City, California as they do not require paying for land, major new infrastructure, structured parking, or elevators. Further, they can provide an additional source of income for homeowners in Union City, California.The recent legislation prohibits a local agency from establishing a maximum size of an ADU of less than 850 square feet, or 1000 square feet if the ADU contains more than one bedroom Reduces the maximum ADU and JADU application review time from 120 days to 60 days

If you are planning to build an Accessory Dwelling Unit for your home or multi-family building in Union City, California, we can provide the following services for:

  • ADU Plans
  • Floor plans
  • Home plans
  • Modular ADUs
  • ADU architects
  • ADU blueprints
  • ADU consultant
  • Civil engineering
  • Garage ADU plans
  • ADU cost per unit
  • ADU estimate
  • JADU Plans
  • Multi Family ADU
  • Foundation for Prefab ADU
  • ADU Permit Sets
  • Garage Conversions Plans
  • ADU Permit Sets
  • Structural Engineer ADU

We provide these services for all types of Accessory Dwelling Units

  • Detached: Detached ADU is the additional spaces that are not attached to the home but are in your property area in City Union City, California. These Detached ADU are many types of Tiny backyard home, Backyard Cottage, etc. Design Everest helps in design, Engineering, ADU permit process and construction administration support for your tiny backyard home or any detached ADU.A maximum square footage requirement for either an attached or detached accessory dwelling unit that is less than either of the following
    • 850 square feet.
    • 1,000 square feet for an accessory dwelling unit that provides more than one bedroom.
  • Attached: The unit is attached to the primary structure to your home in Union City, California. Any other minimum or maximum size for an accessory dwelling unit, size based upon a percentage of the proposed or existing primary dwelling, or limits on lot coverage, floor area ratio,open space, and minimum lot size, for either attached or detached dwellings that does not permit at least an 800 square foot accessory dwelling unit that is at least 16 feet in height with four-foot side and rear yard setbacks to be constructed in compliance with all other local development standards.
  • Repurposed Existing Space: Space (e.g., garage) within the primary residence is converted into an independent living unit

Some Examples of Accessory Dwelling Units

Garage Conversions Union City, California

Garage Conversion in Union City is a great way to increase your home’s value or increase the house living space and this new space can be used in a variety of ways. For homeowners, adding a room is less cost-efficient and stressful than having to sell their home and move to a bigger home. Design Everest in Union City, California can help you with the ADU design and ADU permit for your garage conversion into ADU and will help you navigate choices and decisions to find the balance of form, function, and budget.
No setback shall be required for an existing garage area or accessory structure or a structure constructed in the same location and to the same dimensions as an existing structure that is converted to an accessory dwelling unit or to a portion of an accessory dwelling unit, and a setback of no more than four feet from the side and rear lot lines shall be required for an accessory dwelling unit that is constructed above a garage, not converted from an existing structure or a new structure constructed in the same location and to the same dimensions as an existing structure.

Multi-Family ADUs Union City, California

    The new ADU laws in place since January 2020 in Union City now allow such dwelling units to be added to your multi-family buildings like condos and apartments with following specifications.

  • In Union City, California, New units can be added within the existing non-living space of a building (e.g., storage rooms, basements, or garages). At least one unit and up to ¼ of the existing unit count may be created this way.
  • Two new homes can be built on the same lot as the multifamily building but detached from it, with 4-foot side and rear setbacks and a 16-foot maximum height.
  • The permitting agency shall act on the application to create an accessory dwelling unit or a junior accessory dwelling unit within 60 days from the date the local agency receives a completed application if there is an existing single-family or multifamily dwelling on the lot.
Junior Accessory Dwelling Unit- JADUs Union City, California

Union City has its own JADU law, A Junior ADU (or JADU) is a new category of dwelling units created by the State of California. The main difference is that a JADU is not required” with “accessory dwelling units that do not require a dedicated bathroom. The permitting agency shall act on the application to create a junior accessory dwelling unit within 60 days from the date the local agency receives a completed application if there is an existing single-family dwelling on the lot
. A local agency shall not require, as a condition for ministerial approval of a permit application for the creation of an accessory dwelling unit or a junior accessory dwelling unit, the correction of nonconforming zoning conditions. For the purposes of providing service for water, sewer, or power, including a connection fee, a junior accessory dwelling unit shall not be considered a separate or new dwelling unit.

Granny Flat Union City, California

A granny flat in Union City, California is a self-contained living area for one or two persons usually located on the grounds of a single-family home. A granny flat can be detached and independent or it can be attached to the other dwelling in Union City, California. It is called a granny flat because it is a popular way for families to accommodate aging parents. Other terms include granny pod, mother-in-law unit, in-law apartment, bonus unit, casita, carriage unit, and ohana unit. Most granny flats fall into the tiny house category and the surge in interest in tiny house living.

As multigenerational housing becomes more accepted, granny flats are likely to become more prevalent. Realtors and builders report that they are already a good selling point.

Services for Prefabricated ADU Units( Prefab ADUs) in Union City, California

If you are looking to build a new accessory dwelling unit in Union City entirely from scratch, prefabrication of your entire ADU, Design Everest Provides Foundation Engineering, for Prefab ADUs Plans to get them permitted and manufactured.

Please check out the Union City ADU Law For More Information
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Quality Architecture, Engineering and Energy Services For ADUs in Union City, California
Grow your space with affordable home additions through ADUs in Union City, California

We have huge experience in the ADU space in Union City, California and have helped many of our clients by transforming their current house into their dream space with ADU additions. Each ADU we create is custom-built and tailored to your specific needs by our trusted team of engineers.

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Design Everest has more than a decade of experience in city Tustin, California, and has used the knowledge gained over the years to streamline the process and increase the approval rate of our blueprints for garage conversions. Our team of engineers, designers, and architects are well informed about the city guidelines and limitations for the area.

Why Design Everest?

Design Everest's list of projects, services, and clients highlight the breadth of 15+ years of experience. Our local structural engineers are committed to providing solutions that fulfill the aspirations of our clients. Clients repeatedly come back to us for our quality structural engineering design services renowned for analytical creativity and cost-effective solutions.

  • Highly experienced &
    value engineering

    We are a true one-stop -solution for Architecture and Engineering with experience in a wide range of specializations in home ADU Services as listed above in Union City, California. Our licensed Engineers and Architects design efficient ADUs and are always looking for value engineering solutions so that customers pay less in construction, materials costs, etc.

  • Responsiveness and
    quick turnaround

    Unlike most firms in Union City, we leverage technology and make every effort to get quality plans delivered in weeks -- not months. Hey, who said construction has to be painful?

  • Ability to take
    on a project anytime

    Our proprietary data system. The ‘Design Hub’ allows us to efficiently forecast and optimize our resources. This means our architects & engineers in California can take on a project of any size at any time while maintaining quality and schedule.

Start your project with us today!
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