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Leading Design and Engineering for Multifamily ADU in California

The new ADU laws (AB 68 / AB 881) that came into effect from January 2020 allow ADUs to be added to your existing multifamily buildings like Condominiums, Apartments, or Lofts.

As per the bill, the ADUs added to the existing multifamily buildings should adhere to the following requirements

  • Multiple accessory dwelling units within the portions of existing multifamily dwelling structures that are not used as livable space, including, but not limited to, storage rooms, boiler rooms, passageways, attics, basements, or garages if each unit complies with state building standards for dwellings.
  • At least one accessory dwelling unit within an existing multifamily dwelling and shall allow up to 25 percent of the existing multifamily dwelling units.
  • Not more than two accessory dwelling units that are located on a lot that has an existing multifamily dwelling, but are detached from that multifamily dwelling and are subject to a height limit of 16 feet and four-foot rear yard and side setbacks
To read in detail click here

Benefits of ADU Law for Multifamily Buildings

Select Project

Multifamily ADU Project
  • Two garages were converted into a single ADU unit with 2 beds and 2 baths and an office
  • The building previously had 4 units. After the addition of the ADU unit, the building will have 5 units.
Multifamily ADU Project
  • The unused non-conditioned space in first floor of an 3-story 2-unit building is converted into an ADU
  • The ADU is of 988 sq.ft. with two beds and two baths

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Services For Multifamily ADUs in California

Looking for Local Services Near You for ADU Multifamily

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OTHER MULTIFAMILY PROJECTS
Six-unit Townhouses, Sunnyvale, CA
Six-unit Townhouses, Sunnyvale, CA
  • Total six-unit townhouses with three floors and 4 units with 2,086 sq.ft. space and 2 units with 1,460 sq.ft of living space with both these type of units have 4 beds and 3 baths
  • We prepared the Structural Engineering plans for this project
  • Each unit also has almost ~500 sq.ft. garage on the ground floor
Multi-unit Residential, San Gabriel, CA
Multi-unit Residential, San Gabriel, CA
  • We prepared the Civil Engineering plans for the access ramp to the underground parking
Shipley condominiums, San Francisco, CA
Shipley condominiums, San Francisco, CA
  • Architect: Stanley Saitowitz
  • Estimated construction cost: $1M
  • A new ground-up residential building
  • Structural engineering for an entirely new four-story + basement concrete building housing 24 residential units
  • Area of 37,000 sq. ft.
  • Ongoing project
Soft-story retrofit of a 34 unit apartment building, Los Angeles, CA
Soft-story retrofit of a 34 unit apartment building, Los Angeles, CA
  • 34 unit 2-Story multifamily apartment building
  • Addition of two Simpson Ordinary Moment Frame in the south side of the building
  • Moment Frame is added to the open space on the ground floor
  • Two isolated footings each connected with a tie beam was added for each Moment Frame

How it Works

  • Design Everest
    Free Consultation

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

  • Design Everest
    Quick Turnaround

    Once we understand your needs, we deliver plans and structural engineering drawings for your project. We have quick turnaround time, with the option to track your project in real-time

  • Design Everest
    Easy Permit Process

    We will provide a set of drawings of the Accessory Dwelling Unit that you may submit to the city to obtain the required ADU permits. Our fixed fee generally 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.

Looking for Local ADU companies near you?
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Why Design Everest?

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

  • Highly experienced &
    value engineering

    We are a true one-stop architecture and engineering solutions with expertise in a wide range of specializations in providing ADU Services for Multifamily Buildings as listed above. Our experienced Engineers and Architect design efficient ADUs and are always looking for value engineering solutions so that building owners save in construction, materials costs, etc. while building their ADU

  • Responsiveness and
    quick turnaround

    Unlike most firms, we leverage technology, and make every effort to get quality plans delivered.

  • 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 structural engineers in California can take on a project of any size at any time while maintaining quality and schedule.

SOME OF THE
CITIES WE DELIVER IN
More Cities ❯

We hired Design Everest for an addition project. Project was challenging since they took over the project midway from a previous firm with whom we had a very unpleasant experience.
Project involves adding a kitchen, family room with a deck over the addition which involves specific features since it is a deck over a living space.
DE architects and engineers worked with the city to cover all aspects of the design in detail. The owner, Aakash, and project manager, Mayank, gave timely responses to our questions and we are overall happy with their service.

Design Everest
- Sunny R. CUPERTINO rating

Design Everest created architectural and structural plans for the ADU I'm building in Walnut Creek. Regardless of the slow and long approval process, dictated by the county building department, Jessica stayed on top of her game every time, delivering the changes as requested and providing all the necessary detail. I am very happy with the service and would recommend the firm to anyone starting from scratch, whether you are an owner-builder or a professional contractor.

Design Everest
- KAT G. SAN FRANCISCOrating

Design Everest made us a set of high quality architectural plans for a proposed home remodel with addition. They were responsive, professional, and prompt. Gotta have your drawings to get your quotes, and Design Everest delivered

Design Everest
- Mike Harms. MILLBRAE rating

Design Everest company with Jessica P. as the Project Manager always are ready to solve problems and making things easy for my architectural blueprints, energy title 24 reports, structural blueprints & calculations, etc. for my submittal to the city planning departments!!!
I would rate them 10 Stars in quality but I guess Yelp's system is just maxing out a 5 Stars!!!
Jessica P. always is ready to quickly turning around working with various engineers, designers, architects, and structural engineer with almost immediate responses!!! A great merit to the home owners' world!!!!

Design Everest
- David L. SAN MATEO rating
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