STRONG
Reinforced combination steel and wood frame on a solid foundation makes our structures stand firm in all weather conditions.
PREMIUM
Exterior and interior panels made from the highest-quality sustainable materials give a flawless, luxury finish.
COMPONENTS
Our component-based building methodology is faster and quieter than traditional building methods.
EFFICIENT
No noise, no fuss, low waste. Local builders construct your haven on-site using only hand tools.
Our first-of-its-kind construction methodology, consists of deceptively simple components that can come together quickly and easily to form any desired structure. Choose FormX for fast, sustainable and fully-customizable building.
No one does construction quite like us.
Fully customizable
Any size, any shape, any design. The only limit is your imagination.
Transparent pricing
What you see is what you get. No hidden fees and no surprises.
Stress free permits
We work with your city to get you the permits you need, so you don't have to worry.
End-to-end management
From the initial idea to handing over the keys. We manage it all.
Lightning fast
We challenge you to find anyone who can deliver faster than us.
All in 4
simple steps
Green
Low carbon footprint
Produced from recyclable materials
Proprietary material
Low Waste
Efficient software driven process
Insulation
Energy-efficient thermal insulation
Sound reduction
Light Tools
No heavy-duty vehicles
Hand tools Installation
Lower emissions
Quiet
Cleaner & quieter building process
No odor, No paint, No dust, No water use
Sustainably Built
Our relentless search for materials and methods that limit environmental impact makes us
“THE GREENEST ADU SOLUTION ON THE MARKET.”


Make your dream space a reality
High-end sustainable construction,
at speed
The future of construction is here
Using best-in-class engineers and designers, cutting-edge tech and premium materials, we assemble homes and accessory units 40-50% faster than traditional building methods, with absolutely no compromise on strength or quality.
Building Regulations
Click below to learn about the specific construction regulations in your area.
Menlo park
Welcome, California
FormX builds are spreading around the Bay
FAQ
Product
Ordering a FormX office unit is simple and straightforward: Let us know you’re interested and we will reach out, Select the design and customizations of your choice, The modular parts will be shipped to your address, Our builders will build your unit on-site in a few days
We don’t automatically connect your unit to the grid but it is shipped with all the parts it needs for grid connection. Connecting it up is a simple process. Just contact your local permitting office to obtain the relevant permit.
We also offer an "off-the-grid" package that includes solar panels, a battery pack, and a DC air conditioner.
Included in the price is a steel base that serves as a basic foundation. You will be given the choice of placing the foundation on leveled grass, compacted gravel, or a concrete slab.
There is a small additional cost for the concrete slab option.
The units will start shipping at the beginning of April 2022.
The units are made of a combination of steel and recycled polycarbonate with fiberglass and a fire-retardant material.
Permit
In most counties in the country, units that are less than 120sqft do not require a permit. Please contact your local permitting office to verify the permitting rules in your area.
Yes. However, you do not need a permit while building the unit. In most cities, you can apply for a permit to add electricity and/or plumbing after the unit has been built.
Installation
We work with a network of certified GCs that build the unit on-site in a short amount of time (usually within a week).
No. Our product is designed to be constructed using hand tools only. No heavy machinery is required at all.
Our home offices are not prefabricated. The parts arrive on a truck and all installation and construction takes place onsite. You need not worry about tight spaces and delivery cranes with FormX.