Why Chino Hills Homeowners Choose Ellery ADU Studio Chino Hills for ADU
We’ve built a strong local reputation across Chino Hills and the Inland Empire by delivering permitted, built, and finished ADUs to the drawings since this branch opened. Our team, led by Nadia Ellery, handles the full design-build process under one contract with one written price, because the ADU projects that fail are almost always the ones where the designer and builder can each blame the other. Call (951) 456-4467 to schedule your free written estimate.
6 Reasons We’re Chino Hills’s Top ADU Company
1. Deep Local Experience in Chino Hills’s ADU Market
We’ve been working in Chino Hills since before the city’s ADU ordinance updates streamlined setbacks and parking requirements for hillside lots. That timing matters. We know which Chino Hills planning staff review fire-access routes for detached units, how the city’s steep-slope grading rules interact with San Bernardino County’s floodplain maps, and where the sewer lateral capacity gets tight in older neighborhoods near Grand Avenue. This branch was built specifically for this market, not imported from somewhere with flat lots and looser codes.
2. Strong Local Reputation Built Project by Project
Our reviews come from homeowners who’ve walked through the finished unit, not from handoff moments. They mention specific things: that we texted when the inspector was running late, that the final invoice matched the written estimate, that Nadia Ellery flagged the drainage issue before we broke ground. We don’t chase stars; we document what we found and what we did, and the reputation follows. Check our recent work in Sleepy Hollow, Rolling Ridge, and the older tracts near Chino Hills Parkway.
3. State-Licensed, Insured, and Background-Checked Under Our Name
Every pro working under our name is required to hold the license and insurance California requires for ADU construction, and we verify it before they step on your property. You get their license number on the page, their name in the text when they’re en route, and photo documentation of what they actually found. That’s Haven Standard Clause 3: Verified crews. Not a promise we make; a requirement we enforce.
4. Factory-Built Expertise: Abodu, Cover, and Dvele
We’re fluent in the factory-built ADU systems that cut permit timelines in Chino Hills when site conditions allow. Abodu’s units work well on the flatter lots near Peyton Drive; Cover’s panelized system adapts to the hillside foundations we see in Vellano; Dvele’s net-zero specs match the energy-code path homeowners increasingly want. We don’t push one brand. We match the system to your lot, your timeline, and your budget, and we quote it in writing before you commit.
5. Transparent Pricing With a Written Line-Item Quote
Haven Standard Clause 1: Have it in writing. Your estimate lists every line item - design, permit set, soils if needed, foundation, utility tie-in, finish package - with a flat price for each and a total that doesn’t change unless you change the scope. No “allowances” that balloon. No “while we’re in here” upsells. We’ve seen too many Chino Hills homeowners burned by low opening bids that doubled by final walkthrough. Our price is the price.
6. Documented Record, Written Warranty, No Surprises
Haven Standard Clause 5: No surprises. Every job leaves a documented record - photos, readings, inspection sign-offs - and a written warranty you can reference. If something’s not right, we fix it. Not because we’re feeling generous; because the standard requires it and the documentation proves what we agreed to. Nadia Ellery reviews every warranty file personally before we close it out.
Our Promise to You
If you’re not satisfied with any phase of work, we stop, document what you found, and correct it before the next phase begins. That’s not a favor; it’s Clause 1 and Clause 5 working together. We answer calls Monday through Friday 7 AM to 7 PM, and Sunday 7 AM to 7 PM; a live coordinator connects you with the local team, and we text when we’re en route so you’re not waiting on a window. Every price is written, every scope is fixed, and every warranty is documented. We don’t do urgency theatre or limited-time pressure. An ADU is a year-long relationship and a six-figure decision; you get the time and the evidence to decide right.
Before
AfterFrequently Asked Questions
We’re a design-build studio, not a designer who hands off to a contractor. One contract, one written price, one party responsible if the permit set doesn’t match what gets built. Our branch was built for Chino Hills specifically; we know the hillside lots, the fire-access requirements, and the planning staff by name. Call (951) 456-4467 for a free written estimate and compare our line-item quote to anyone else’s.
We stop, document your concern with photos, and correct it before moving forward. Haven Standard Clause 5 requires no surprises; Clause 1 requires it in writing, including the warranty. Nadia Ellery reviews every unresolved issue personally. If we can’t make it right, we haven’t finished the job. Call (951) 456-4467 to discuss our guarantee in detail - estimates are free.
No. Every ADU job starts with a free written estimate that lists every line item and a flat total. We don’t do verbal ballparks that shift later. The estimate costs nothing and puts you under no obligation. Call (951) 456-4467 to schedule yours.
Yes. Every pro working under our name is required to hold the California contractor license and insurance their trade requires, and we verify it before they arrive. You get license numbers on request, background checks on file, and photo documentation of every phase. That’s Haven Standard Clause 3. Call (951) 456-4467 to verify credentials before we meet.
We schedule estimates during real hours: Monday through Friday 7 AM to 7 PM, and Sunday 7 AM to 7 PM. Saturday we’re closed. A live coordinator answers during those hours, connects you with our local team, and texts when we’re en route. We don’t promise same-day arrival for planned construction; an ADU deserves proper measurement and a written scope, not a rushed first look. Call (951) 456-4467 to book your free estimate in the next available window.
Written by Nadia Ellery, Owner at Ellery ADU Studio Chino Hills, serving Chino Hills, Chino, Yorba Linda, Anaheim, Diamond Bar, Pomona, Eastvale, Montclair, Ontario, Rowland Heights, Corona, and Upland.