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How to build an ADU, ADU Plans, ADU Designer, how much does It cost to build an ADU, ADU f

Gilbert ADU Contractor

Gilbert is known for his flexibility when it comes to construction budgets. He understands that every project is unique and has its own set of challenges, and he works closely with clients to find solutions that meet their needs and fit within their budget. Gilbert is skilled at finding cost-effective alternatives and negotiating with suppliers to get the best possible prices. He is committed to delivering high-quality work at a fair and reasonable cost, and his clients appreciate his ability to stay within budget while still delivering excellent results.

Project By Gilbert

We will be meticulously documenting each and every step of the construction process for a new 1,200 sqft ADU. Gilbert has a limited time remaining to complete the ADU, but we remain optimistic that he will meet the deadline. To stay informed on the progress of the project and to be among the first to know whether Gilbert meets his deadline, we invite you to join our mailing list.

  • New Construction 1,200 Sqft

  • Cost $245,000 plus plans and city fees. $204 per square foot.

  • Raised foundation

  • 2 Bed 2 Bath

  • Vaulted  Ceiling 

  •  All Electric

  • Solar Panel required (Paid separately)

1,200 SQFT ADU 360 Tour


Gilbert broke ground on this project in November 2022. The homeowner had their plans ready and were taking bids. The highest bid came in at $400,000. There was a bid lower than Gilbert's. However, Gilbert managed to secure the project coming in at $245,000.



After grading, the installation of the rough plumbing was the next step. The sewer line connection from the front yard to the ADU is approximately 110ft. Both the sewer and water line were installed in the same trench."

Installation of the ADU sewer line


  • Suppose you are in the bidding process and looking for a contractor to build your ADU. Book an appointment and contact Gilbert.  



This involves grading the ground to ensure that it is level or filling in low spots with soil to create a stable base for the house. Next, the foundation for the house was built. This involves pouring concrete footings and setting the foundation walls. The footings are 18" deep and 18" above ground.



Once the foundation is complete. The next step was to build the floor system. This usually starts with installing a ledger board along the bottom of the foundation walls. The ledger board is a horizontal piece of lumber to which the floor joists will be attached. These are the horizontal structural members that support the floor. They are typically spaced 16 inches or 24 inches apart,