What Long Beach Homeowners Say About Sutton ADU Long Beach
Reviews are where the sales pitch ends and the truth starts. When you’re planning an ADU in Long Beach, you’re making a six-figure decision on your own property, and you deserve to hear from people who already made that call. We’ve been building detached ADUs, home additions, and room additions here since 2006, and the feedback below comes from actual clients across Long Beach neighborhoods. They talk about pricing, timelines, surprises, and how the 365-Day Done Right Promise worked when tested. No cherry-picking, no scripted lines. Just what homeowners told us after the last nail went in.
Recent Reviews

“We’d been quoted by three other contractors before Sutton, and every one of them gave us a vague range and a handshake. Miles put a written price in front of us before we signed anything. The 700-square-foot detached ADU off our garage in Bixby Knolls came in at $212,000, and when the final invoice matched that number to the dollar, I almost framed it.”
Ramon S., Bixby Knolls, Long Beach
“The photo badge thing sounded like a gimmick when I first read about it. Then the day before framing started, I got a text with the name and picture of the guy who’d be on site the next morning. Same guy showed up, in a Sutton uniform, and actually showed me his ID before walking onto the property. That’s the kind of verification you don’t expect from a construction crew.”
Karen C., Belmont Heights, Long Beach
“We built a 500-square-foot one-bedroom ADU in our backyard in North Long Beach. The James Hardie siding went up in January, and by March I noticed a small crack near one corner from ground settling. I called Sutton expecting a fight. Instead, they sent someone out the same week, fixed it, and reminded me the 365-Day Done Right Promise covered exactly that. No invoice. No debate.”
Tyrone G., North Long Beach
“What sold me was the honest conversation about prefab versus stick-built. I assumed I wanted a Boxabl or an Abodu unit because they look fast. Miles walked me through the real lot conditions in Alamitos Heights and told me a custom stick-built ADU would actually serve us better for the same budget. He could’ve just sold me the brand name. Instead, he sold me the right building.”
Luis G., Alamitos Heights, Long Beach
“We added a 400-square-foot room addition to the back of our house in Los Altos, and the whole thing took eleven weeks. The crew showed up when they said they would, every single day. The project lead sent me a photo of who’d be arriving the evening before, every time. When you work from home, that predictability matters more than you’d think.”
Karen C., Los Altos, Long Beach
“I’ll be honest, I braced for the surprise invoice. My brother did an ADU in Riverside and got hit with $18,000 in ‘unforeseen site work.’ With Sutton, the written price came after they’d already walked the property, checked the soil, and reviewed the city’s ADU requirements for Long Beach. Foundation overrun, which I expected to pay extra for, was already in the number. The final bill matched the first bill.”
Ramon S., Bixby Knolls, Long Beach
Why Customers Trust Us
The reviews above keep coming back to the same four things: a written price that survives contact with reality, crews who are who they say they are, honest guidance on ADU product lines like Abodu, Cover, Dvele, Mighty Buildings, Boxabl, and Plant Prefab, and a guarantee that means something when something goes wrong. That guarantee is the 365-Day Done Right Promise. It covers defects in workmanship for one full calendar year from project completion, and it includes a free second visit if any element of the build fails. No haggling, no fee, no fine print. Every technician working under The Threshold Standard is background-checked, identity-verified, uniformed, and photo-badged, with name and photo sent to the homeowner before arrival. We don’t ask you to trust a logo. We ask you to trust a system. Miles Hartwell has been running it in Long Beach since 2006, and if you’re still on the fence, the next step is simple. Call (562) 317-7042 and ask for a written price on your ADU or addition. Then come back and read these reviews again.
Written by Miles Hartwell, Owner at Sutton ADU Long Beach, serving Long Beach since 2006.


