Why Pasadena Homeowners Choose Fielding ADU Pasadena for ADU
We’re the Pasadena branch of Fielding ADU Builders, and we’ve spent two decades earning the trust of homeowners across the San Gabriel Valley. Led by Reed Calloway, our local team handles every ADU project with the same discipline the brand was founded on in 2006. Homeowners choose us because they get a written price before work starts, a schedule we actually keep, and a full-year guarantee on the finished structure. That combination is rare in ADU construction, and it’s exactly why Pasadena keeps calling.
6 Reasons We’re Pasadena’s Top ADU Company

Two Decades of Local ADU Experience
Fielding ADU Builders has been building additions and accessory dwelling units since 2006, and our Pasadena branch brings that full depth of experience to every job. We know how Pasadena’s Planning and Community Development Department reviews ADU applications, and we’ve walked projects through the permitting process more times than we can count. Homeowners in neighborhoods like Bungalow Heaven and Madison Heights get a team that has seen the setbacks, height limits, and utility requirements unique to this city.
A Reputation Built on Showing Up
The single biggest complaint we hear from Pasadena homeowners is that contractors don’t show up when they say they will. Our local reputation is built on the opposite. We arrive inside the window we gave you, period. That consistency is why our strongest marketing in Pasadena is word of mouth from homeowners who’ve had enough of no-shows and vague timelines.
Licensed, Insured, and Held to a Standard
Every pro working under the Fielding name is required to hold the license and insurance their state requires. We don’t cut corners on credentials because the work gets inspected, and doing it by the book the first time is part of The Garrison Code. You’re welcome to ask for proof before you sign anything, and a real contractor won’t flinch at that request.
Experience with Premium ADU Builds
We’ve worked with homeowners who want a standard detached unit and those who want something built by a premium manufacturer. Our team has handled projects involving Abodu, Cover, and Dvele, which means we understand factory-built panel systems, tighter tolerances, and the coordination those builds require. If you’re comparing prefab ADU options in Pasadena, we can tell you honestly which approach fits your lot and your budget.
Transparent Pricing in Writing
Before any work starts, you get a written line-item price. Not a rough estimate, not a ballpark, and not a number that changes after demolition begins. We price the job up front and we stand by that number. If a change is needed during the project, you approve it in writing before we do it. No surprise invoices at the end.
A Full-Year Workmanship Guarantee
Every ADU we build is covered by The Garrison Standard guarantee: if the work fails within one year, we come back and make it right at no charge. That’s in writing, not a handshake. For a project as significant as an ADU, a guarantee like this matters more than any sales pitch.
Our Promise to You
The Garrison Code is the set of standards every independent Fielding location agrees to follow. Here’s what that means for your Pasadena ADU project. We show up inside the window we gave you, not a day later with a weak excuse. We put the price in writing before any work starts so you never face a moving estimate. We do the job by the book, pulling permits and passing inspections the first time. We leave the site clean and squared away at the end of every workday. And we stand behind everything we build for a full year. If the work fails in that time, we return and fix it at no charge. That’s the promise, and it’s stamped on every job we take.
Frequently Asked Questions

Choose us if you want a written price before work starts, a schedule that gets kept, and a full-year guarantee in writing. Many Pasadena contractors do good work, but too many leave homeowners guessing on cost and timeline. We run on a specific standard our team has followed for two decades. Call (626) 657-5541 to talk through your project and see the difference in how we quote.
Every job is covered by The Garrison Standard, which includes a written one-year workmanship guarantee. If something we built fails in that year, we come back and make it right at no charge. We’d rather fix a problem quickly than leave a Pasadena homeowner frustrated, and the guarantee exists to back that up. Call (626) 657-5541 and we’ll address the issue directly.
No, estimates are free. We’ll walk your property, talk through what you want in your ADU, and put a written price in front of you before any commitment is made. That written quote is the same number we build to. Call (626) 657-5541 to schedule your free estimate in Pasadena or any of the surrounding communities we serve.
Every pro working under the Fielding name is required to hold the license and insurance their state requires. For ADU work in Pasadena, that means California contractor licensing and appropriate insurance coverage are in place before we start. We’re happy to provide documentation during your estimate so you can verify everything before signing.
We serve Pasadena directly, so scheduling an estimate is quick. Our team is available Monday through Friday from 7:00 AM to 7:00 PM and Sunday from 7:00 AM to 7:00 PM. Give us a call at (626) 657-5541 and our coordinator will connect you with the local team to set a time that works for you. We show up inside the window we give, every time.
Written by Reed Calloway, Owner at Fielding ADU Pasadena, serving Pasadena and the San Gabriel Valley since 2006.

