Custom + Affordable ADU Builder in the Bay Area

To Schedule a Call on Our Calendar

As Seen In:

SYMBiHOM featured by :contentReference[oaicite:0]{index=0} Social Impact Review
SYMBiHOM featured in :contentReference[oaicite:1]{index=1}
SYMBiHOM featured on :contentReference[oaicite:2]{index=2}

From Blueprints to Brilliance: Hear Why Symbihom is a Trusted Partner to Build Your ADU

garage conversion ADU completed homeowner project Santa Clara

“Rebecca’s experience in construction and costing makes for a code-compliant unit with reliable subcontractors that she has vetted; she finishes the units beautifully, with light colors, up-lighting, and efficient usage of space; and she is an absolute joy to work with.” 

-Santa Clara Homeowner

accessory dwelling unit builder accessible ADU Daly City

“Symbihom's process personal service to me provided a fully accessible design to satisfy the needs of my 80 year old mother. From initial planning, cost considerations and final product. I thanked Rebecca for creating a palace for my mother.”

-Daly City Homeowner

Bay Area ADU: Predictable Scope - Permit Navigation - Turnkey Delivery

Sustainable + Energy Efficient

energy efficient ADU builder Bay Area sustainable home design
ADU builder Bay Area quality materials and modern finishes

Low Fixed Cost

Connects to Existing Utilities

ADU contractor connects to existing utilities Bay Area

Quality Materials + Finishes

What are you looking for?

Garage Conversion

Backyard Homes

Home Conversion

click on photo for floor plans

Simplify Senior Transitions Podcast

Real Success Stories

Your Home, Your Style, Let’s Get Started!

Getting an ADU in your Backyard or a Garage or Home Conversions is Easy: Here’s How it Works

ADU builder Bay Area project planning and homeowner vision
ADU construction near me finished living space Bay Area
Butterfly with detailed wings illustration

01 Dream

It starts with your vision— are you looking for extra income, an accessible home for mom and dad, or maybe a guest house for family and friends? Dream deep as we help you define your goals and needs.

accessory dwelling unit builder custom floor plan design

02 Design

With your vision as our guide, we customize a layout that works for your backyard, garage or home within the space you plan to repurpose.

ADU contractor permit preparation and material planning

03 Prepare

We manage all the preparatory steps to planning your new living space so you don’t have to - everything from submitting permits for your new ADU to ordering materials, appliances, fixtures and finishes. Your new space will be ready for use in no time.

garage conversion contractor installing prefabricated ADU panels

04 Install

Our pre-fab modular system makes installation a breeze. Custom prefabricated wall panels are delivered to your property, assembled onsite, and connected to your existing utilities by our qualified installers.

05 Enjoy

Enjoy your new living space and start reaping the benefits!

Experience the Benefits

New Living Space Means New Possibilities

  • Whether it's a private studio, family living area, or home office, Symbihom provides the freedom to design spaces that perfectly match your needs.

  • Smaller, efficient housing solutions require fewer materials and resources to build and maintain. This downsized living approach is not only affordable to build but also better for the environment.

  • Homeowners and commercial real estate developers can rent out their converted rooms, garages or backyard additions providing an excellent additional stream of income.

  • Each unit is thoughtfully designed with high quality, durable materials that stand the test of time. From sleek scratch-resistant countertops to elegant, easy-to-clean flooring, every detail is chosen for both style and longevity.

ADU builder Bay Area creative living space

Ready to Add More Living Space?

Get a Free Quote?