Need some engineered plans for a building permit

Job ID: 35666132

Budget: $1,500 – $3,000 USD

I am looking to get an engineer stamp on some plans to be purchased off of the Internet for an ADU unit. Max 850 ft.² condition space single bedroom dwelling in California.

You can see it here. Would be open to something you already have designed for a speedy process.

https://www.houseplans.net/floorplans/146200038/modern-plan-875-square-feet-1-bedroom-1-bathroom