Billdr is your platform for second story addition.

Join hundreds of homeowners who’ve embarked on their second story addition journey via the Billdr’s platform.

Step-by-step process


Scope of work & municipality requirements

Establish a well-defined path for your home addition by articulating the issue you intend to address, along with the result you aspire to achieve. Conduct thorough research into the permitting regulations stipulated by your local authorities.

Check our guide for home addition

Hire an architect & engineer

Through the Billdr platform, it's possible to enlist the services of both an architect and a structural engineer. For further insights, delve into the distinctions between architectural plans and engineering plans.

Learn more

Apply for a permit at your municipality

The permitting process typically spans 3 to 6 months for completion, underscoring the importance of thorough preparation in advance. Concurrently, you can focus on arranging your financing arrangements.


 Get bids from vetted GCs

During the interim period while awaiting your permit, we suggest initiating the process of obtaining estimates from reputable general contractors who possess a track record of constructing 2nd story addition.

See how Billdr vet GCs

Manage your construction project from your dashboard

We've developed a dashboard designed to facilitate the smooth management of your second story addition journey, working seamlessly alongside general contractors.

Home addition case studies