The Sutton ADU Ventura Guarantee
We put our name on every ADU, room addition, and home addition we build in Ventura County, and that means something specific. The Sutton ADU Ventura guarantee is the 365-Day Done Right Promise: if any element of the completed work isn’t right within one full calendar year from project completion, we make it right. No fine print games. No trying to convince you the crooked corner is “within tolerance.” You call, we schedule, we fix it. That’s the whole promise, written on paper and stamped on every project we complete.
What’s Covered
- Workmanship on every element of the build. Framing, drywall, flashing, trim, hardware installation, finish carpentry, and every other trade we touch falls under the 365-Day Done Right Promise.
- Parts and materials we install. If a component fails because we installed it wrong, we handle the repair or replacement without charging you for the correction.
- Cleanup and site care. We leave your lot clean at the end of each phase and at final walkthrough. If we miss something, say the word and we send a crew back.
- On-time arrival for every scheduled visit. Our field teams show up when they’re supposed to. You get the name and photo of the person coming before they knock on your door.
- Honest pricing from the first conversation. The written price you approve before any work starts is the price you pay. No scope creep silently added to the invoice.
- Product guidance you can act on. We work with Abodu, Dvele, Mighty Buildings, Plant Prefab, Boxabl, and Cover, plus James Hardie cladding and Tuff Shed conversions, so you get straight answers about what fits your lot and your budget.
Our Satisfaction Promise
Here’s how it actually works if something isn’t right. You call us at (350) 238-1748. A live person answers, day or night. You explain the issue. We send one of our background-checked, uniformed, photo-badged technicians to look at it, and that second visit is free. No haggling. No deductible. No “that’s normal settling.” If the problem falls under the 365-Day Done Right Promise, we schedule the fix and do it. If it turns out to be something outside our scope, like a manufacturer defect on a prefab module, we help you navigate the manufacturer’s process because we’ve installed enough of those systems to know exactly who to call and what to say. Either way, you’re not left holding a problem alone. That’s been the Sutton way since 2006, and it’s become the Threshold Standard across every Threshold Group company.
Licensed & Insured Backing

A guarantee is only as strong as the company standing behind it. We’re a licensed and insured contractor operating in Ventura, bonded for your protection, and every project we take on meets California building code. Insurance matters when a project involves multiple trades, heavy materials, and work on your property. It means if something unexpected happens on site, you’re not the one absorbing the cost. Licensing means the state has verified our business structure, our workers’ compensation coverage, and our adherence to contract law. It’s the paperwork backstop that makes the 365-Day Done Right Promise more than a verbal assurance. Call (350) 238-1748 with your project and we’ll put the written price in your hand before a single board is cut.
Written by Miles Hartwell, Owner at Sutton ADU Ventura, serving Ventura since 2006.

