(818) 703-0232
6520 Platt Ave #115, West Hills, CA 91307


Construction Plans

For those who know what they want and are ready to pick a floor plan layout to proceed with the construction. All plans include estimates on cost to build, so you can compare the costs from contractors by collecting their bids. And of course save tons of money on architects and designers.

Design Plans

For those who are still exploring different options. Get a few designs you like that include cost to build estimates, and match them with the bids from contractors. You will know exactly how much your ready-to-build plans and the construction will cost. And save thousands of dollars on designers.

Why Us

Home Feature 1

First Step to ADU

First step of any ADU project starts with design and plans, a complex challenging step, we made it easy and took the stress out of it by creating a selection of pre-made designs and plans.

Home Feature 2

Save Time and Money

Buying one of our stock plans will literally save you thousands of dollars and weeks of waiting where if you hire an architect/designer to draw plans custom made for you.

Home Feature 3

Ready to Bid

Every plan comes with complimentary estimate of cost to build form, that you can ask contractors to use when providing estimates and compare “apples to apples” when collecting bids.

Additional Services

In addition to ordering a Stock ADU Plan, ADUBuildingPlans.com, can provide the services listed below. To receive more information or a quote for these services, please contact us, and we will get back to you right away.


Custom plan

A unique architectural design plans to meet your requirements and wishes.

Modifications to stock plan

Customizing existing design to your requirements and wishes.

State/County/City general notes

Adding your local construction notes on the plans as required by code.

Site plan

Measuring your property and reflecting to be part of your chosen plan.

Title-24 energy calculations

Energy conservation, green design, construction and maintenance.

Structural Engineering

Issuing foundation, Framing and structural Detail plans as required by code.

Materials list

Finish material list for kitchen, bathrooms, flooring, doors and windows.

Plan check revisions

Additional plan revisions based on requirements by local city/county check.

3D renderings

3D renderings to existing plan with visual elevations, materials and colors.

3D design services

Floor plan and 3D designs before ordering an architecture plan.

Want to build your own ADU?

Want to build your own ADU? You’ve landed on the right site! ADUBuildingPlans.com is the best place to find the perfect floor plan for your ADU. Our plans include full architectural details that can be used to collect construction bids and handed over to a structural engineer for finalizing and submit for building permits.

Through our “pre-made” plans selection you will find the one that fits your property needs, any modification and changes can be made to the plan you choose, simply fill out the customize request and we will get back to you with an estimate of cost and time.

On ADUBuildingPlans.com, we want your ADU building project to stay on budget. That’s why we offer a complimentary cost to build form with any ADU plan.